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geky bot
2020-04-01 03:33:16 +00:00
parent 1f204e6d84 a049f1318e
commit 3e7b9da578
53 changed files with 10524 additions and 4573 deletions
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445
tests/test_alloc.sh → tests/test_alloc.toml Executable file → Normal file
View File

@@ -1,127 +1,201 @@
#!/bin/bash
set -euE
export TEST_FILE=$0
trap 'export TEST_LINE=$LINENO' DEBUG
# allocator tests
# note for these to work there are a number constraints on the device geometry
if = 'LFS2_BLOCK_CYCLES == -1'
[[case]] # parallel allocation test
define.FILES = 3
define.SIZE = '(((LFS2_BLOCK_SIZE-8)*(LFS2_BLOCK_COUNT-6)) / FILES)'
code = '''
const char *names[FILES] = {"bacon", "eggs", "pancakes"};
lfs2_file_t files[FILES];
echo "=== Allocator tests ==="
rm -rf blocks
scripts/test.py << TEST
lfs2_format(&lfs2, &cfg) => 0;
TEST
SIZE=15000
lfs2_mkdir() {
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "$1") => 0;
lfs2_mkdir(&lfs2, "breakfast") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
}
lfs2_remove() {
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_remove(&lfs2, "$1/eggs") => 0;
lfs2_remove(&lfs2, "$1/bacon") => 0;
lfs2_remove(&lfs2, "$1/pancakes") => 0;
lfs2_remove(&lfs2, "$1") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
}
lfs2_alloc_singleproc() {
scripts/test.py << TEST
const char *names[] = {"bacon", "eggs", "pancakes"};
lfs2_file_t files[sizeof(names)/sizeof(names[0])];
lfs2_mount(&lfs2, &cfg) => 0;
for (unsigned n = 0; n < sizeof(names)/sizeof(names[0]); n++) {
sprintf(path, "$1/%s", names[n]);
for (int n = 0; n < FILES; n++) {
sprintf(path, "breakfast/%s", names[n]);
lfs2_file_open(&lfs2, &files[n], path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_APPEND) => 0;
}
for (unsigned n = 0; n < sizeof(names)/sizeof(names[0]); n++) {
lfs2_size_t size = strlen(names[n]);
for (int i = 0; i < $SIZE; i++) {
for (int n = 0; n < FILES; n++) {
size = strlen(names[n]);
for (lfs2_size_t i = 0; i < SIZE; i += size) {
lfs2_file_write(&lfs2, &files[n], names[n], size) => size;
}
}
for (unsigned n = 0; n < sizeof(names)/sizeof(names[0]); n++) {
for (int n = 0; n < FILES; n++) {
lfs2_file_close(&lfs2, &files[n]) => 0;
}
lfs2_unmount(&lfs2) => 0;
TEST
}
lfs2_alloc_multiproc() {
for name in bacon eggs pancakes
do
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "$1/$name",
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_APPEND) => 0;
lfs2_size_t size = strlen("$name");
memcpy(buffer, "$name", size);
for (int i = 0; i < $SIZE; i++) {
lfs2_file_write(&lfs2, &file, buffer, size) => size;
for (int n = 0; n < FILES; n++) {
sprintf(path, "breakfast/%s", names[n]);
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
size = strlen(names[n]);
for (lfs2_size_t i = 0; i < SIZE; i += size) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
assert(memcmp(buffer, names[n], size) == 0);
}
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
done
}
'''
lfs2_verify() {
for name in bacon eggs pancakes
do
scripts/test.py << TEST
[[case]] # serial allocation test
define.FILES = 3
define.SIZE = '(((LFS2_BLOCK_SIZE-8)*(LFS2_BLOCK_COUNT-6)) / FILES)'
code = '''
const char *names[FILES] = {"bacon", "eggs", "pancakes"};
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "$1/$name", LFS2_O_RDONLY) => 0;
lfs2_size_t size = strlen("$name");
for (int i = 0; i < $SIZE; i++) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "$name", size) => 0;
}
lfs2_file_close(&lfs2, &file) => 0;
lfs2_mkdir(&lfs2, "breakfast") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
done
}
echo "--- Single-process allocation test ---"
lfs2_mkdir singleproc
lfs2_alloc_singleproc singleproc
lfs2_verify singleproc
for (int n = 0; n < FILES; n++) {
lfs2_mount(&lfs2, &cfg) => 0;
sprintf(path, "breakfast/%s", names[n]);
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_APPEND) => 0;
size = strlen(names[n]);
memcpy(buffer, names[n], size);
for (int i = 0; i < SIZE; i += size) {
lfs2_file_write(&lfs2, &file, buffer, size) => size;
}
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
}
echo "--- Multi-process allocation test ---"
lfs2_mkdir multiproc
lfs2_alloc_multiproc multiproc
lfs2_verify multiproc
lfs2_verify singleproc
lfs2_mount(&lfs2, &cfg) => 0;
for (int n = 0; n < FILES; n++) {
sprintf(path, "breakfast/%s", names[n]);
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
size = strlen(names[n]);
for (int i = 0; i < SIZE; i += size) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
assert(memcmp(buffer, names[n], size) == 0);
}
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
'''
echo "--- Single-process reuse test ---"
lfs2_remove singleproc
lfs2_mkdir singleprocreuse
lfs2_alloc_singleproc singleprocreuse
lfs2_verify singleprocreuse
lfs2_verify multiproc
[[case]] # parallel allocation reuse test
define.FILES = 3
define.SIZE = '(((LFS2_BLOCK_SIZE-8)*(LFS2_BLOCK_COUNT-6)) / FILES)'
define.CYCLES = [1, 10]
code = '''
const char *names[FILES] = {"bacon", "eggs", "pancakes"};
lfs2_file_t files[FILES];
echo "--- Multi-process reuse test ---"
lfs2_remove multiproc
lfs2_mkdir multiprocreuse
lfs2_alloc_singleproc multiprocreuse
lfs2_verify multiprocreuse
lfs2_verify singleprocreuse
lfs2_format(&lfs2, &cfg) => 0;
echo "--- Cleanup ---"
lfs2_remove multiprocreuse
lfs2_remove singleprocreuse
for (int c = 0; c < CYCLES; c++) {
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "breakfast") => 0;
lfs2_unmount(&lfs2) => 0;
echo "--- Exhaustion test ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
for (int n = 0; n < FILES; n++) {
sprintf(path, "breakfast/%s", names[n]);
lfs2_file_open(&lfs2, &files[n], path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_APPEND) => 0;
}
for (int n = 0; n < FILES; n++) {
size = strlen(names[n]);
for (int i = 0; i < SIZE; i += size) {
lfs2_file_write(&lfs2, &files[n], names[n], size) => size;
}
}
for (int n = 0; n < FILES; n++) {
lfs2_file_close(&lfs2, &files[n]) => 0;
}
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (int n = 0; n < FILES; n++) {
sprintf(path, "breakfast/%s", names[n]);
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
size = strlen(names[n]);
for (int i = 0; i < SIZE; i += size) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
assert(memcmp(buffer, names[n], size) == 0);
}
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (int n = 0; n < FILES; n++) {
sprintf(path, "breakfast/%s", names[n]);
lfs2_remove(&lfs2, path) => 0;
}
lfs2_remove(&lfs2, "breakfast") => 0;
lfs2_unmount(&lfs2) => 0;
}
'''
[[case]] # serial allocation reuse test
define.FILES = 3
define.SIZE = '(((LFS2_BLOCK_SIZE-8)*(LFS2_BLOCK_COUNT-6)) / FILES)'
define.CYCLES = [1, 10]
code = '''
const char *names[FILES] = {"bacon", "eggs", "pancakes"};
lfs2_format(&lfs2, &cfg) => 0;
for (int c = 0; c < CYCLES; c++) {
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "breakfast") => 0;
lfs2_unmount(&lfs2) => 0;
for (int n = 0; n < FILES; n++) {
lfs2_mount(&lfs2, &cfg) => 0;
sprintf(path, "breakfast/%s", names[n]);
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_APPEND) => 0;
size = strlen(names[n]);
memcpy(buffer, names[n], size);
for (int i = 0; i < SIZE; i += size) {
lfs2_file_write(&lfs2, &file, buffer, size) => size;
}
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
}
lfs2_mount(&lfs2, &cfg) => 0;
for (int n = 0; n < FILES; n++) {
sprintf(path, "breakfast/%s", names[n]);
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
size = strlen(names[n]);
for (int i = 0; i < SIZE; i += size) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
assert(memcmp(buffer, names[n], size) == 0);
}
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (int n = 0; n < FILES; n++) {
sprintf(path, "breakfast/%s", names[n]);
lfs2_remove(&lfs2, path) => 0;
}
lfs2_remove(&lfs2, "breakfast") => 0;
lfs2_unmount(&lfs2) => 0;
}
'''
[[case]] # exhaustion test
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "exhaustion", LFS2_O_WRONLY | LFS2_O_CREAT);
lfs2_size_t size = strlen("exhaustion");
size = strlen("exhaustion");
memcpy(buffer, "exhaustion", size);
lfs2_file_write(&lfs2, &file, buffer, size) => size;
lfs2_file_sync(&lfs2, &file) => 0;
@@ -141,27 +215,27 @@ scripts/test.py << TEST
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "exhaustion", LFS2_O_RDONLY);
lfs2_size_t size = strlen("exhaustion");
size = strlen("exhaustion");
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "exhaustion", size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
'''
echo "--- Exhaustion wraparound test ---"
scripts/test.py << TEST
[[case]] # exhaustion wraparound test
define.SIZE = '(((LFS2_BLOCK_SIZE-8)*(LFS2_BLOCK_COUNT-4)) / 3)'
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_remove(&lfs2, "exhaustion") => 0;
lfs2_file_open(&lfs2, &file, "padding", LFS2_O_WRONLY | LFS2_O_CREAT);
lfs2_size_t size = strlen("buffering");
size = strlen("buffering");
memcpy(buffer, "buffering", size);
for (int i = 0; i < $SIZE; i++) {
for (int i = 0; i < SIZE; i += size) {
lfs2_file_write(&lfs2, &file, buffer, size) => size;
}
lfs2_file_close(&lfs2, &file) => 0;
@@ -188,30 +262,29 @@ scripts/test.py << TEST
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "exhaustion", LFS2_O_RDONLY);
lfs2_size_t size = strlen("exhaustion");
size = strlen("exhaustion");
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "exhaustion", size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_remove(&lfs2, "exhaustion") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
'''
echo "--- Dir exhaustion test ---"
scripts/test.py << TEST
[[case]] # dir exhaustion test
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
// find out max file size
lfs2_mkdir(&lfs2, "exhaustiondir") => 0;
lfs2_size_t size = strlen("blahblahblahblah");
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
lfs2_file_open(&lfs2, &file, "exhaustion", LFS2_O_WRONLY | LFS2_O_CREAT);
int count = 0;
int err;
while (true) {
err = lfs2_file_write(&lfs2, &file, buffer, size);
if (err < 0) {
@@ -248,18 +321,102 @@ scripts/test.py << TEST
lfs2_remove(&lfs2, "exhaustion") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
'''
## Below, these tests depend _very_ heavily on the geometry of the
## block device being tested, they should be removed and replaced
## by generalized tests. For now we'll just skip if the geometry
## is customized.
[[case]] # what if we have a bad block during an allocation scan?
in = "lfs2.c"
define.LFS2_ERASE_CYCLES = 0xffffffff
define.LFS2_BADBLOCK_BEHAVIOR = 'LFS2_TESTBD_BADBLOCK_READERROR'
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
// first fill to exhaustion to find available space
lfs2_file_open(&lfs2, &file, "pacman", LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
strcpy((char*)buffer, "waka");
size = strlen("waka");
lfs2_size_t filesize = 0;
while (true) {
lfs2_ssize_t res = lfs2_file_write(&lfs2, &file, buffer, size);
assert(res == (lfs2_ssize_t)size || res == LFS2_ERR_NOSPC);
if (res == LFS2_ERR_NOSPC) {
break;
}
filesize += size;
}
lfs2_file_close(&lfs2, &file) => 0;
// now fill all but a couple of blocks of the filesystem with data
filesize -= 3*LFS2_BLOCK_SIZE;
lfs2_file_open(&lfs2, &file, "pacman", LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
strcpy((char*)buffer, "waka");
size = strlen("waka");
for (lfs2_size_t i = 0; i < filesize/size; i++) {
lfs2_file_write(&lfs2, &file, buffer, size) => size;
}
lfs2_file_close(&lfs2, &file) => 0;
// also save head of file so we can error during lookahead scan
lfs2_block_t fileblock = file.ctz.head;
lfs2_unmount(&lfs2) => 0;
if [[ ! $MAKEFLAGS =~ "LFS2_BLOCK_CYCLES" ]]
then
// remount to force an alloc scan
lfs2_mount(&lfs2, &cfg) => 0;
echo "--- Chained dir exhaustion test ---"
scripts/test.py << TEST
// but mark the head of our file as a "bad block", this is force our
// scan to bail early
lfs2_testbd_setwear(&cfg, fileblock, 0xffffffff) => 0;
lfs2_file_open(&lfs2, &file, "ghost", LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
strcpy((char*)buffer, "chomp");
size = strlen("chomp");
while (true) {
lfs2_ssize_t res = lfs2_file_write(&lfs2, &file, buffer, size);
assert(res == (lfs2_ssize_t)size || res == LFS2_ERR_CORRUPT);
if (res == LFS2_ERR_CORRUPT) {
break;
}
}
lfs2_file_close(&lfs2, &file) => 0;
// now reverse the "bad block" and try to write the file again until we
// run out of space
lfs2_testbd_setwear(&cfg, fileblock, 0) => 0;
lfs2_file_open(&lfs2, &file, "ghost", LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
strcpy((char*)buffer, "chomp");
size = strlen("chomp");
while (true) {
lfs2_ssize_t res = lfs2_file_write(&lfs2, &file, buffer, size);
assert(res == (lfs2_ssize_t)size || res == LFS2_ERR_NOSPC);
if (res == LFS2_ERR_NOSPC) {
break;
}
}
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
// check that the disk isn't hurt
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "pacman", LFS2_O_RDONLY) => 0;
strcpy((char*)buffer, "waka");
size = strlen("waka");
for (lfs2_size_t i = 0; i < filesize/size; i++) {
uint8_t rbuffer[4];
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
assert(memcmp(rbuffer, buffer, size) == 0);
}
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''
# Below, I don't like these tests. They're fragile and depend _heavily_
# on the geometry of the block device. But they are valuable. Eventually they
# should be removed and replaced with generalized tests.
[[case]] # chained dir exhaustion test
define.LFS2_BLOCK_SIZE = 512
define.LFS2_BLOCK_COUNT = 1024
if = 'LFS2_BLOCK_SIZE == 512 && LFS2_BLOCK_COUNT == 1024'
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
// find out max file size
@@ -268,11 +425,10 @@ scripts/test.py << TEST
sprintf(path, "dirwithanexhaustivelylongnameforpadding%d", i);
lfs2_mkdir(&lfs2, path) => 0;
}
lfs2_size_t size = strlen("blahblahblahblah");
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
lfs2_file_open(&lfs2, &file, "exhaustion", LFS2_O_WRONLY | LFS2_O_CREAT);
int count = 0;
int err;
while (true) {
err = lfs2_file_write(&lfs2, &file, buffer, size);
if (err < 0) {
@@ -324,13 +480,14 @@ scripts/test.py << TEST
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
'''
echo "--- Split dir test ---"
scripts/test.py << TEST
[[case]] # split dir test
define.LFS2_BLOCK_SIZE = 512
define.LFS2_BLOCK_COUNT = 1024
if = 'LFS2_BLOCK_SIZE == 512 && LFS2_BLOCK_COUNT == 1024'
code = '''
lfs2_format(&lfs2, &cfg) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
// create one block hole for half a directory
@@ -342,7 +499,7 @@ scripts/test.py << TEST
lfs2_file_close(&lfs2, &file) => 0;
lfs2_file_open(&lfs2, &file, "exhaustion", LFS2_O_WRONLY | LFS2_O_CREAT);
lfs2_size_t size = strlen("blahblahblahblah");
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
for (lfs2_size_t i = 0;
i < (cfg.block_count-4)*(cfg.block_size-8);
@@ -368,18 +525,20 @@ scripts/test.py << TEST
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
'''
echo "--- Outdated lookahead test ---"
scripts/test.py << TEST
[[case]] # outdated lookahead test
define.LFS2_BLOCK_SIZE = 512
define.LFS2_BLOCK_COUNT = 1024
if = 'LFS2_BLOCK_SIZE == 512 && LFS2_BLOCK_COUNT == 1024'
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
// fill completely with two files
lfs2_file_open(&lfs2, &file, "exhaustion1",
LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
lfs2_size_t size = strlen("blahblahblahblah");
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
for (lfs2_size_t i = 0;
i < ((cfg.block_count-2)/2)*(cfg.block_size-8);
@@ -429,18 +588,22 @@ scripts/test.py << TEST
lfs2_file_write(&lfs2, &file, buffer, size) => size;
}
lfs2_file_close(&lfs2, &file) => 0;
TEST
echo "--- Outdated lookahead and split dir test ---"
scripts/test.py << TEST
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # outdated lookahead and split dir test
define.LFS2_BLOCK_SIZE = 512
define.LFS2_BLOCK_COUNT = 1024
if = 'LFS2_BLOCK_SIZE == 512 && LFS2_BLOCK_COUNT == 1024'
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
// fill completely with two files
lfs2_file_open(&lfs2, &file, "exhaustion1",
LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
lfs2_size_t size = strlen("blahblahblahblah");
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
for (lfs2_size_t i = 0;
i < ((cfg.block_count-2)/2)*(cfg.block_size-8);
@@ -487,8 +650,4 @@ scripts/test.py << TEST
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
fi
scripts/results.py
'''

84
tests/test_attrs.sh → tests/test_attrs.toml Executable file → Normal file
View File

@@ -1,25 +1,13 @@
#!/bin/bash
set -eu
export TEST_FILE=$0
trap 'export TEST_LINE=$LINENO' DEBUG
echo "=== Attr tests ==="
rm -rf blocks
scripts/test.py << TEST
[[case]] # set/get attribute
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "hello") => 0;
lfs2_file_open(&lfs2, &file, "hello/hello",
LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
lfs2_file_write(&lfs2, &file, "hello", strlen("hello"))
=> strlen("hello");
lfs2_file_open(&lfs2, &file, "hello/hello", LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
lfs2_file_write(&lfs2, &file, "hello", strlen("hello")) => strlen("hello");
lfs2_file_close(&lfs2, &file);
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Set/get attribute ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
memset(buffer, 0, sizeof(buffer));
lfs2_setattr(&lfs2, "hello", 'A', "aaaa", 4) => 0;
@@ -71,8 +59,7 @@ scripts/test.py << TEST
lfs2_getattr(&lfs2, "hello", 'C', buffer+10, 5) => 5;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
memset(buffer, 0, sizeof(buffer));
lfs2_getattr(&lfs2, "hello", 'A', buffer, 4) => 4;
@@ -87,10 +74,18 @@ scripts/test.py << TEST
memcmp(buffer, "hello", strlen("hello")) => 0;
lfs2_file_close(&lfs2, &file);
lfs2_unmount(&lfs2) => 0;
TEST
'''
[[case]] # set/get root attribute
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "hello") => 0;
lfs2_file_open(&lfs2, &file, "hello/hello", LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
lfs2_file_write(&lfs2, &file, "hello", strlen("hello")) => strlen("hello");
lfs2_file_close(&lfs2, &file);
lfs2_unmount(&lfs2) => 0;
echo "--- Set/get root attribute ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
memset(buffer, 0, sizeof(buffer));
lfs2_setattr(&lfs2, "/", 'A', "aaaa", 4) => 0;
@@ -141,8 +136,7 @@ scripts/test.py << TEST
lfs2_getattr(&lfs2, "/", 'B', buffer+4, 6) => 9;
lfs2_getattr(&lfs2, "/", 'C', buffer+10, 5) => 5;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
memset(buffer, 0, sizeof(buffer));
lfs2_getattr(&lfs2, "/", 'A', buffer, 4) => 4;
@@ -157,10 +151,18 @@ scripts/test.py << TEST
memcmp(buffer, "hello", strlen("hello")) => 0;
lfs2_file_close(&lfs2, &file);
lfs2_unmount(&lfs2) => 0;
TEST
'''
[[case]] # set/get file attribute
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "hello") => 0;
lfs2_file_open(&lfs2, &file, "hello/hello", LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
lfs2_file_write(&lfs2, &file, "hello", strlen("hello")) => strlen("hello");
lfs2_file_close(&lfs2, &file);
lfs2_unmount(&lfs2) => 0;
echo "--- Set/get file attribute ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
memset(buffer, 0, sizeof(buffer));
struct lfs2_attr attrs1[] = {
@@ -235,18 +237,17 @@ scripts/test.py << TEST
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
memset(buffer, 0, sizeof(buffer));
struct lfs2_attr attrs2[] = {
struct lfs2_attr attrs3[] = {
{'A', buffer, 4},
{'B', buffer+4, 9},
{'C', buffer+13, 5},
};
struct lfs2_file_config cfg2 = {.attrs=attrs2, .attr_count=3};
struct lfs2_file_config cfg3 = {.attrs=attrs3, .attr_count=3};
lfs2_file_opencfg(&lfs2, &file, "hello/hello", LFS2_O_RDONLY, &cfg2) => 0;
lfs2_file_opencfg(&lfs2, &file, "hello/hello", LFS2_O_RDONLY, &cfg3) => 0;
lfs2_file_close(&lfs2, &file) => 0;
memcmp(buffer, "aaaa", 4) => 0;
memcmp(buffer+4, "fffffffff", 9) => 0;
@@ -257,11 +258,22 @@ scripts/test.py << TEST
memcmp(buffer, "hello", strlen("hello")) => 0;
lfs2_file_close(&lfs2, &file);
lfs2_unmount(&lfs2) => 0;
TEST
'''
echo "--- Deferred file attributes ---"
scripts/test.py << TEST
[[case]] # deferred file attributes
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "hello") => 0;
lfs2_file_open(&lfs2, &file, "hello/hello", LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
lfs2_file_write(&lfs2, &file, "hello", strlen("hello")) => strlen("hello");
lfs2_file_close(&lfs2, &file);
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_setattr(&lfs2, "hello/hello", 'B', "fffffffff", 9) => 0;
lfs2_setattr(&lfs2, "hello/hello", 'C', "ccccc", 5) => 0;
memset(buffer, 0, sizeof(buffer));
struct lfs2_attr attrs1[] = {
{'B', "gggg", 4},
@@ -289,6 +301,4 @@ scripts/test.py << TEST
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/results.py
'''

241
tests/test_badblocks.toml Normal file
View File

@@ -0,0 +1,241 @@
# bad blocks with block cycles should be tested in test_relocations
if = 'LFS2_BLOCK_CYCLES == -1'
[[case]] # single bad blocks
define.LFS2_BLOCK_COUNT = 256 # small bd so test runs faster
define.LFS2_ERASE_CYCLES = 0xffffffff
define.LFS2_ERASE_VALUE = [0x00, 0xff, -1]
define.LFS2_BADBLOCK_BEHAVIOR = [
'LFS2_TESTBD_BADBLOCK_PROGERROR',
'LFS2_TESTBD_BADBLOCK_ERASEERROR',
'LFS2_TESTBD_BADBLOCK_READERROR',
'LFS2_TESTBD_BADBLOCK_PROGNOOP',
'LFS2_TESTBD_BADBLOCK_ERASENOOP',
]
define.NAMEMULT = 64
define.FILEMULT = 1
code = '''
for (lfs2_block_t badblock = 2; badblock < LFS2_BLOCK_COUNT; badblock++) {
lfs2_testbd_setwear(&cfg, badblock-1, 0) => 0;
lfs2_testbd_setwear(&cfg, badblock, 0xffffffff) => 0;
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 1; i < 10; i++) {
for (int j = 0; j < NAMEMULT; j++) {
buffer[j] = '0'+i;
}
buffer[NAMEMULT] = '\0';
lfs2_mkdir(&lfs2, (char*)buffer) => 0;
buffer[NAMEMULT] = '/';
for (int j = 0; j < NAMEMULT; j++) {
buffer[j+NAMEMULT+1] = '0'+i;
}
buffer[2*NAMEMULT+1] = '\0';
lfs2_file_open(&lfs2, &file, (char*)buffer,
LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
size = NAMEMULT;
for (int j = 0; j < i*FILEMULT; j++) {
lfs2_file_write(&lfs2, &file, buffer, size) => size;
}
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 1; i < 10; i++) {
for (int j = 0; j < NAMEMULT; j++) {
buffer[j] = '0'+i;
}
buffer[NAMEMULT] = '\0';
lfs2_stat(&lfs2, (char*)buffer, &info) => 0;
info.type => LFS2_TYPE_DIR;
buffer[NAMEMULT] = '/';
for (int j = 0; j < NAMEMULT; j++) {
buffer[j+NAMEMULT+1] = '0'+i;
}
buffer[2*NAMEMULT+1] = '\0';
lfs2_file_open(&lfs2, &file, (char*)buffer, LFS2_O_RDONLY) => 0;
size = NAMEMULT;
for (int j = 0; j < i*FILEMULT; j++) {
uint8_t rbuffer[1024];
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(buffer, rbuffer, size) => 0;
}
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
}
'''
[[case]] # region corruption (causes cascading failures)
define.LFS2_BLOCK_COUNT = 256 # small bd so test runs faster
define.LFS2_ERASE_CYCLES = 0xffffffff
define.LFS2_ERASE_VALUE = [0x00, 0xff, -1]
define.LFS2_BADBLOCK_BEHAVIOR = [
'LFS2_TESTBD_BADBLOCK_PROGERROR',
'LFS2_TESTBD_BADBLOCK_ERASEERROR',
'LFS2_TESTBD_BADBLOCK_READERROR',
'LFS2_TESTBD_BADBLOCK_PROGNOOP',
'LFS2_TESTBD_BADBLOCK_ERASENOOP',
]
define.NAMEMULT = 64
define.FILEMULT = 1
code = '''
for (lfs2_block_t i = 0; i < (LFS2_BLOCK_COUNT-2)/2; i++) {
lfs2_testbd_setwear(&cfg, i+2, 0xffffffff) => 0;
}
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 1; i < 10; i++) {
for (int j = 0; j < NAMEMULT; j++) {
buffer[j] = '0'+i;
}
buffer[NAMEMULT] = '\0';
lfs2_mkdir(&lfs2, (char*)buffer) => 0;
buffer[NAMEMULT] = '/';
for (int j = 0; j < NAMEMULT; j++) {
buffer[j+NAMEMULT+1] = '0'+i;
}
buffer[2*NAMEMULT+1] = '\0';
lfs2_file_open(&lfs2, &file, (char*)buffer,
LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
size = NAMEMULT;
for (int j = 0; j < i*FILEMULT; j++) {
lfs2_file_write(&lfs2, &file, buffer, size) => size;
}
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 1; i < 10; i++) {
for (int j = 0; j < NAMEMULT; j++) {
buffer[j] = '0'+i;
}
buffer[NAMEMULT] = '\0';
lfs2_stat(&lfs2, (char*)buffer, &info) => 0;
info.type => LFS2_TYPE_DIR;
buffer[NAMEMULT] = '/';
for (int j = 0; j < NAMEMULT; j++) {
buffer[j+NAMEMULT+1] = '0'+i;
}
buffer[2*NAMEMULT+1] = '\0';
lfs2_file_open(&lfs2, &file, (char*)buffer, LFS2_O_RDONLY) => 0;
size = NAMEMULT;
for (int j = 0; j < i*FILEMULT; j++) {
uint8_t rbuffer[1024];
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(buffer, rbuffer, size) => 0;
}
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # alternating corruption (causes cascading failures)
define.LFS2_BLOCK_COUNT = 256 # small bd so test runs faster
define.LFS2_ERASE_CYCLES = 0xffffffff
define.LFS2_ERASE_VALUE = [0x00, 0xff, -1]
define.LFS2_BADBLOCK_BEHAVIOR = [
'LFS2_TESTBD_BADBLOCK_PROGERROR',
'LFS2_TESTBD_BADBLOCK_ERASEERROR',
'LFS2_TESTBD_BADBLOCK_READERROR',
'LFS2_TESTBD_BADBLOCK_PROGNOOP',
'LFS2_TESTBD_BADBLOCK_ERASENOOP',
]
define.NAMEMULT = 64
define.FILEMULT = 1
code = '''
for (lfs2_block_t i = 0; i < (LFS2_BLOCK_COUNT-2)/2; i++) {
lfs2_testbd_setwear(&cfg, (2*i) + 2, 0xffffffff) => 0;
}
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 1; i < 10; i++) {
for (int j = 0; j < NAMEMULT; j++) {
buffer[j] = '0'+i;
}
buffer[NAMEMULT] = '\0';
lfs2_mkdir(&lfs2, (char*)buffer) => 0;
buffer[NAMEMULT] = '/';
for (int j = 0; j < NAMEMULT; j++) {
buffer[j+NAMEMULT+1] = '0'+i;
}
buffer[2*NAMEMULT+1] = '\0';
lfs2_file_open(&lfs2, &file, (char*)buffer,
LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
size = NAMEMULT;
for (int j = 0; j < i*FILEMULT; j++) {
lfs2_file_write(&lfs2, &file, buffer, size) => size;
}
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 1; i < 10; i++) {
for (int j = 0; j < NAMEMULT; j++) {
buffer[j] = '0'+i;
}
buffer[NAMEMULT] = '\0';
lfs2_stat(&lfs2, (char*)buffer, &info) => 0;
info.type => LFS2_TYPE_DIR;
buffer[NAMEMULT] = '/';
for (int j = 0; j < NAMEMULT; j++) {
buffer[j+NAMEMULT+1] = '0'+i;
}
buffer[2*NAMEMULT+1] = '\0';
lfs2_file_open(&lfs2, &file, (char*)buffer, LFS2_O_RDONLY) => 0;
size = NAMEMULT;
for (int j = 0; j < i*FILEMULT; j++) {
uint8_t rbuffer[1024];
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(buffer, rbuffer, size) => 0;
}
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
'''
# other corner cases
[[case]] # bad superblocks (corrupt 1 or 0)
define.LFS2_ERASE_CYCLES = 0xffffffff
define.LFS2_ERASE_VALUE = [0x00, 0xff, -1]
define.LFS2_BADBLOCK_BEHAVIOR = [
'LFS2_TESTBD_BADBLOCK_PROGERROR',
'LFS2_TESTBD_BADBLOCK_ERASEERROR',
'LFS2_TESTBD_BADBLOCK_READERROR',
'LFS2_TESTBD_BADBLOCK_PROGNOOP',
'LFS2_TESTBD_BADBLOCK_ERASENOOP',
]
code = '''
lfs2_testbd_setwear(&cfg, 0, 0xffffffff) => 0;
lfs2_testbd_setwear(&cfg, 1, 0xffffffff) => 0;
lfs2_format(&lfs2, &cfg) => LFS2_ERR_NOSPC;
lfs2_mount(&lfs2, &cfg) => LFS2_ERR_CORRUPT;
'''

120
tests/test_corrupt.sh
View File

@@ -1,120 +0,0 @@
#!/bin/bash
set -eu
export TEST_FILE=$0
trap 'export TEST_LINE=$LINENO' DEBUG
echo "=== Corrupt tests ==="
NAMEMULT=64
FILEMULT=1
lfs2_mktree() {
scripts/test.py ${1:-} << TEST
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 1; i < 10; i++) {
for (int j = 0; j < $NAMEMULT; j++) {
buffer[j] = '0'+i;
}
buffer[$NAMEMULT] = '\0';
lfs2_mkdir(&lfs2, (char*)buffer) => 0;
buffer[$NAMEMULT] = '/';
for (int j = 0; j < $NAMEMULT; j++) {
buffer[j+$NAMEMULT+1] = '0'+i;
}
buffer[2*$NAMEMULT+1] = '\0';
lfs2_file_open(&lfs2, &file, (char*)buffer,
LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
lfs2_size_t size = $NAMEMULT;
for (int j = 0; j < i*$FILEMULT; j++) {
lfs2_file_write(&lfs2, &file, buffer, size) => size;
}
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
TEST
}
lfs2_chktree() {
scripts/test.py ${1:-} << TEST
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 1; i < 10; i++) {
for (int j = 0; j < $NAMEMULT; j++) {
buffer[j] = '0'+i;
}
buffer[$NAMEMULT] = '\0';
lfs2_stat(&lfs2, (char*)buffer, &info) => 0;
info.type => LFS2_TYPE_DIR;
buffer[$NAMEMULT] = '/';
for (int j = 0; j < $NAMEMULT; j++) {
buffer[j+$NAMEMULT+1] = '0'+i;
}
buffer[2*$NAMEMULT+1] = '\0';
lfs2_file_open(&lfs2, &file, (char*)buffer, LFS2_O_RDONLY) => 0;
lfs2_size_t size = $NAMEMULT;
for (int j = 0; j < i*$FILEMULT; j++) {
uint8_t rbuffer[1024];
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(buffer, rbuffer, size) => 0;
}
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
TEST
}
echo "--- Sanity check ---"
rm -rf blocks
lfs2_mktree
lfs2_chktree
BLOCKS="$(ls blocks | grep -vw '[01]')"
echo "--- Block corruption ---"
for b in $BLOCKS
do
rm -rf blocks
mkdir blocks
ln -s /dev/zero blocks/$b
lfs2_mktree
lfs2_chktree
done
echo "--- Block persistance ---"
for b in $BLOCKS
do
rm -rf blocks
mkdir blocks
lfs2_mktree
chmod a-w blocks/$b || true
lfs2_mktree
lfs2_chktree
done
echo "--- Big region corruption ---"
rm -rf blocks
mkdir blocks
for i in {2..512}
do
ln -s /dev/zero blocks/$(printf '%x' $i)
done
lfs2_mktree
lfs2_chktree
echo "--- Alternating corruption ---"
rm -rf blocks
mkdir blocks
for i in {2..1024..2}
do
ln -s /dev/zero blocks/$(printf '%x' $i)
done
lfs2_mktree
lfs2_chktree
scripts/results.py

489
tests/test_dirs.sh
View File

@@ -1,489 +0,0 @@
#!/bin/bash
set -eu
export TEST_FILE=$0
trap 'export TEST_LINE=$LINENO' DEBUG
echo "=== Directory tests ==="
LARGESIZE=128
rm -rf blocks
scripts/test.py << TEST
lfs2_format(&lfs2, &cfg) => 0;
TEST
echo "--- Root directory ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Directory creation ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "potato") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- File creation ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "burito", LFS2_O_CREAT | LFS2_O_WRONLY) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Directory iteration ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "burito") => 0;
info.type => LFS2_TYPE_REG;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "potato") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Directory failures ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "potato") => LFS2_ERR_EXIST;
lfs2_dir_open(&lfs2, &dir, "tomato") => LFS2_ERR_NOENT;
lfs2_dir_open(&lfs2, &dir, "burito") => LFS2_ERR_NOTDIR;
lfs2_file_open(&lfs2, &file, "tomato", LFS2_O_RDONLY) => LFS2_ERR_NOENT;
lfs2_file_open(&lfs2, &file, "potato", LFS2_O_RDONLY) => LFS2_ERR_ISDIR;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Nested directories ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "potato/baked") => 0;
lfs2_mkdir(&lfs2, "potato/sweet") => 0;
lfs2_mkdir(&lfs2, "potato/fried") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "potato") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "baked") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "fried") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "sweet") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Multi-block directory ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "cactus") => 0;
for (int i = 0; i < $LARGESIZE; i++) {
sprintf(path, "cactus/test%03d", i);
lfs2_mkdir(&lfs2, path) => 0;
}
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "cactus") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
info.type => LFS2_TYPE_DIR;
for (int i = 0; i < $LARGESIZE; i++) {
sprintf(path, "test%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, path) => 0;
info.type => LFS2_TYPE_DIR;
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Directory remove ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_remove(&lfs2, "potato") => LFS2_ERR_NOTEMPTY;
lfs2_remove(&lfs2, "potato/sweet") => 0;
lfs2_remove(&lfs2, "potato/baked") => 0;
lfs2_remove(&lfs2, "potato/fried") => 0;
lfs2_dir_open(&lfs2, &dir, "potato") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_remove(&lfs2, "potato") => 0;
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "burito") => 0;
info.type => LFS2_TYPE_REG;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "cactus") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "burito") => 0;
info.type => LFS2_TYPE_REG;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "cactus") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Directory rename ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "coldpotato") => 0;
lfs2_mkdir(&lfs2, "coldpotato/baked") => 0;
lfs2_mkdir(&lfs2, "coldpotato/sweet") => 0;
lfs2_mkdir(&lfs2, "coldpotato/fried") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_rename(&lfs2, "coldpotato", "hotpotato") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "hotpotato") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "baked") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "fried") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "sweet") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "warmpotato") => 0;
lfs2_mkdir(&lfs2, "warmpotato/mushy") => 0;
lfs2_rename(&lfs2, "hotpotato", "warmpotato") => LFS2_ERR_NOTEMPTY;
lfs2_remove(&lfs2, "warmpotato/mushy") => 0;
lfs2_rename(&lfs2, "hotpotato", "warmpotato") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "warmpotato") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "baked") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "fried") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "sweet") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "coldpotato") => 0;
lfs2_rename(&lfs2, "warmpotato/baked", "coldpotato/baked") => 0;
lfs2_rename(&lfs2, "warmpotato/sweet", "coldpotato/sweet") => 0;
lfs2_rename(&lfs2, "warmpotato/fried", "coldpotato/fried") => 0;
lfs2_remove(&lfs2, "coldpotato") => LFS2_ERR_NOTEMPTY;
lfs2_remove(&lfs2, "warmpotato") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "coldpotato") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "baked") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "fried") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "sweet") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Recursive remove ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_remove(&lfs2, "coldpotato") => LFS2_ERR_NOTEMPTY;
lfs2_dir_open(&lfs2, &dir, "coldpotato") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
while (true) {
int err = lfs2_dir_read(&lfs2, &dir, &info);
err >= 0 => 1;
if (err == 0) {
break;
}
strcpy(path, "coldpotato/");
strcat(path, info.name);
lfs2_remove(&lfs2, path) => 0;
}
lfs2_remove(&lfs2, "coldpotato") => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "burito") => 0;
info.type => LFS2_TYPE_REG;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "cactus") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Multi-block rename ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 0; i < $LARGESIZE; i++) {
char oldpath[1024];
char newpath[1024];
sprintf(oldpath, "cactus/test%03d", i);
sprintf(newpath, "cactus/tedd%03d", i);
lfs2_rename(&lfs2, oldpath, newpath) => 0;
}
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "cactus") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
info.type => LFS2_TYPE_DIR;
for (int i = 0; i < $LARGESIZE; i++) {
sprintf(path, "tedd%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, path) => 0;
info.type => LFS2_TYPE_DIR;
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Multi-block remove ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_remove(&lfs2, "cactus") => LFS2_ERR_NOTEMPTY;
for (int i = 0; i < $LARGESIZE; i++) {
sprintf(path, "cactus/tedd%03d", i);
lfs2_remove(&lfs2, path) => 0;
}
lfs2_remove(&lfs2, "cactus") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "burito") => 0;
info.type => LFS2_TYPE_REG;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Multi-block directory with files ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "prickly-pear") => 0;
for (int i = 0; i < $LARGESIZE; i++) {
sprintf(path, "prickly-pear/test%03d", i);
lfs2_file_open(&lfs2, &file, path, LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
lfs2_size_t size = 6;
memcpy(buffer, "Hello", size);
lfs2_file_write(&lfs2, &file, buffer, size) => size;
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "prickly-pear") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
info.type => LFS2_TYPE_DIR;
for (int i = 0; i < $LARGESIZE; i++) {
sprintf(path, "test%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, path) => 0;
info.type => LFS2_TYPE_REG;
info.size => 6;
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Multi-block rename with files ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 0; i < $LARGESIZE; i++) {
char oldpath[1024];
char newpath[1024];
sprintf(oldpath, "prickly-pear/test%03d", i);
sprintf(newpath, "prickly-pear/tedd%03d", i);
lfs2_rename(&lfs2, oldpath, newpath) => 0;
}
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "prickly-pear") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
info.type => LFS2_TYPE_DIR;
for (int i = 0; i < $LARGESIZE; i++) {
sprintf(path, "tedd%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, path) => 0;
info.type => LFS2_TYPE_REG;
info.size => 6;
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Multi-block remove with files ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_remove(&lfs2, "prickly-pear") => LFS2_ERR_NOTEMPTY;
for (int i = 0; i < $LARGESIZE; i++) {
sprintf(path, "prickly-pear/tedd%03d", i);
lfs2_remove(&lfs2, path) => 0;
}
lfs2_remove(&lfs2, "prickly-pear") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "burito") => 0;
info.type => LFS2_TYPE_REG;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/results.py

838
tests/test_dirs.toml Normal file
View File

@@ -0,0 +1,838 @@
[[case]] # root
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, ".") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, "..") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # many directory creation
define.N = 'range(0, 100, 3)'
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 0; i < N; i++) {
sprintf(path, "dir%03d", i);
lfs2_mkdir(&lfs2, path) => 0;
}
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, ".") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, "..") == 0);
for (int i = 0; i < N; i++) {
sprintf(path, "dir%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, path) == 0);
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # many directory removal
define.N = 'range(3, 100, 11)'
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 0; i < N; i++) {
sprintf(path, "removeme%03d", i);
lfs2_mkdir(&lfs2, path) => 0;
}
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, ".") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, "..") == 0);
for (int i = 0; i < N; i++) {
sprintf(path, "removeme%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, path) == 0);
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2);
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 0; i < N; i++) {
sprintf(path, "removeme%03d", i);
lfs2_remove(&lfs2, path) => 0;
}
lfs2_unmount(&lfs2);
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, ".") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, "..") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # many directory rename
define.N = 'range(3, 100, 11)'
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 0; i < N; i++) {
sprintf(path, "test%03d", i);
lfs2_mkdir(&lfs2, path) => 0;
}
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, ".") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, "..") == 0);
for (int i = 0; i < N; i++) {
sprintf(path, "test%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, path) == 0);
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2);
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 0; i < N; i++) {
char oldpath[128];
char newpath[128];
sprintf(oldpath, "test%03d", i);
sprintf(newpath, "tedd%03d", i);
lfs2_rename(&lfs2, oldpath, newpath) => 0;
}
lfs2_unmount(&lfs2);
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, ".") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, "..") == 0);
for (int i = 0; i < N; i++) {
sprintf(path, "tedd%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, path) == 0);
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2);
'''
[[case]] # reentrant many directory creation/rename/removal
define.N = [5, 11]
reentrant = true
code = '''
err = lfs2_mount(&lfs2, &cfg);
if (err) {
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
}
for (int i = 0; i < N; i++) {
sprintf(path, "hi%03d", i);
err = lfs2_mkdir(&lfs2, path);
assert(err == 0 || err == LFS2_ERR_EXIST);
}
for (int i = 0; i < N; i++) {
sprintf(path, "hello%03d", i);
err = lfs2_remove(&lfs2, path);
assert(err == 0 || err == LFS2_ERR_NOENT);
}
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, ".") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, "..") == 0);
for (int i = 0; i < N; i++) {
sprintf(path, "hi%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, path) == 0);
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
for (int i = 0; i < N; i++) {
char oldpath[128];
char newpath[128];
sprintf(oldpath, "hi%03d", i);
sprintf(newpath, "hello%03d", i);
// YES this can overwrite an existing newpath
lfs2_rename(&lfs2, oldpath, newpath) => 0;
}
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, ".") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, "..") == 0);
for (int i = 0; i < N; i++) {
sprintf(path, "hello%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, path) == 0);
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
for (int i = 0; i < N; i++) {
sprintf(path, "hello%03d", i);
lfs2_remove(&lfs2, path) => 0;
}
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, ".") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, "..") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # file creation
define.N = 'range(3, 100, 11)'
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 0; i < N; i++) {
sprintf(path, "file%03d", i);
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_EXCL) => 0;
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, ".") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, "..") == 0);
for (int i = 0; i < N; i++) {
sprintf(path, "file%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_REG);
assert(strcmp(info.name, path) == 0);
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2);
'''
[[case]] # file removal
define.N = 'range(0, 100, 3)'
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 0; i < N; i++) {
sprintf(path, "removeme%03d", i);
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_EXCL) => 0;
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, ".") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, "..") == 0);
for (int i = 0; i < N; i++) {
sprintf(path, "removeme%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_REG);
assert(strcmp(info.name, path) == 0);
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2);
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 0; i < N; i++) {
sprintf(path, "removeme%03d", i);
lfs2_remove(&lfs2, path) => 0;
}
lfs2_unmount(&lfs2);
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, ".") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, "..") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # file rename
define.N = 'range(0, 100, 3)'
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 0; i < N; i++) {
sprintf(path, "test%03d", i);
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_EXCL) => 0;
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, ".") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, "..") == 0);
for (int i = 0; i < N; i++) {
sprintf(path, "test%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_REG);
assert(strcmp(info.name, path) == 0);
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2);
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 0; i < N; i++) {
char oldpath[128];
char newpath[128];
sprintf(oldpath, "test%03d", i);
sprintf(newpath, "tedd%03d", i);
lfs2_rename(&lfs2, oldpath, newpath) => 0;
}
lfs2_unmount(&lfs2);
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, ".") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, "..") == 0);
for (int i = 0; i < N; i++) {
sprintf(path, "tedd%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_REG);
assert(strcmp(info.name, path) == 0);
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2);
'''
[[case]] # reentrant file creation/rename/removal
define.N = [5, 25]
reentrant = true
code = '''
err = lfs2_mount(&lfs2, &cfg);
if (err) {
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
}
for (int i = 0; i < N; i++) {
sprintf(path, "hi%03d", i);
lfs2_file_open(&lfs2, &file, path, LFS2_O_CREAT | LFS2_O_WRONLY) => 0;
lfs2_file_close(&lfs2, &file) => 0;
}
for (int i = 0; i < N; i++) {
sprintf(path, "hello%03d", i);
err = lfs2_remove(&lfs2, path);
assert(err == 0 || err == LFS2_ERR_NOENT);
}
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, ".") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, "..") == 0);
for (int i = 0; i < N; i++) {
sprintf(path, "hi%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_REG);
assert(strcmp(info.name, path) == 0);
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
for (int i = 0; i < N; i++) {
char oldpath[128];
char newpath[128];
sprintf(oldpath, "hi%03d", i);
sprintf(newpath, "hello%03d", i);
// YES this can overwrite an existing newpath
lfs2_rename(&lfs2, oldpath, newpath) => 0;
}
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, ".") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, "..") == 0);
for (int i = 0; i < N; i++) {
sprintf(path, "hello%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_REG);
assert(strcmp(info.name, path) == 0);
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
for (int i = 0; i < N; i++) {
sprintf(path, "hello%03d", i);
lfs2_remove(&lfs2, path) => 0;
}
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, ".") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, "..") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # nested directories
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "potato") => 0;
lfs2_file_open(&lfs2, &file, "burito",
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_EXCL) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "potato/baked") => 0;
lfs2_mkdir(&lfs2, "potato/sweet") => 0;
lfs2_mkdir(&lfs2, "potato/fried") => 0;
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "potato") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, ".") == 0);
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, "..") == 0);
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, "baked") == 0);
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, "fried") == 0);
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, "sweet") == 0);
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
// try removing?
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_remove(&lfs2, "potato") => LFS2_ERR_NOTEMPTY;
lfs2_unmount(&lfs2) => 0;
// try renaming?
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_rename(&lfs2, "potato", "coldpotato") => 0;
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_rename(&lfs2, "coldpotato", "warmpotato") => 0;
lfs2_rename(&lfs2, "warmpotato", "hotpotato") => 0;
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_remove(&lfs2, "potato") => LFS2_ERR_NOENT;
lfs2_remove(&lfs2, "coldpotato") => LFS2_ERR_NOENT;
lfs2_remove(&lfs2, "warmpotato") => LFS2_ERR_NOENT;
lfs2_remove(&lfs2, "hotpotato") => LFS2_ERR_NOTEMPTY;
lfs2_unmount(&lfs2) => 0;
// try cross-directory renaming
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "coldpotato") => 0;
lfs2_rename(&lfs2, "hotpotato/baked", "coldpotato/baked") => 0;
lfs2_rename(&lfs2, "coldpotato", "hotpotato") => LFS2_ERR_NOTEMPTY;
lfs2_remove(&lfs2, "coldpotato") => LFS2_ERR_NOTEMPTY;
lfs2_remove(&lfs2, "hotpotato") => LFS2_ERR_NOTEMPTY;
lfs2_rename(&lfs2, "hotpotato/fried", "coldpotato/fried") => 0;
lfs2_rename(&lfs2, "coldpotato", "hotpotato") => LFS2_ERR_NOTEMPTY;
lfs2_remove(&lfs2, "coldpotato") => LFS2_ERR_NOTEMPTY;
lfs2_remove(&lfs2, "hotpotato") => LFS2_ERR_NOTEMPTY;
lfs2_rename(&lfs2, "hotpotato/sweet", "coldpotato/sweet") => 0;
lfs2_rename(&lfs2, "coldpotato", "hotpotato") => 0;
lfs2_remove(&lfs2, "coldpotato") => LFS2_ERR_NOENT;
lfs2_remove(&lfs2, "hotpotato") => LFS2_ERR_NOTEMPTY;
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "hotpotato") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, ".") == 0);
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, "..") == 0);
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, "baked") == 0);
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, "fried") == 0);
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, "sweet") == 0);
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
// final remove
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_remove(&lfs2, "hotpotato") => LFS2_ERR_NOTEMPTY;
lfs2_remove(&lfs2, "hotpotato/baked") => 0;
lfs2_remove(&lfs2, "hotpotato") => LFS2_ERR_NOTEMPTY;
lfs2_remove(&lfs2, "hotpotato/fried") => 0;
lfs2_remove(&lfs2, "hotpotato") => LFS2_ERR_NOTEMPTY;
lfs2_remove(&lfs2, "hotpotato/sweet") => 0;
lfs2_remove(&lfs2, "hotpotato") => 0;
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, ".") == 0);
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, "..") == 0);
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, "burito") == 0);
info.type => LFS2_TYPE_REG;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # recursive remove
define.N = [10, 100]
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "prickly-pear") => 0;
for (int i = 0; i < N; i++) {
sprintf(path, "prickly-pear/cactus%03d", i);
lfs2_mkdir(&lfs2, path) => 0;
}
lfs2_dir_open(&lfs2, &dir, "prickly-pear") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, ".") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, "..") == 0);
for (int i = 0; i < N; i++) {
sprintf(path, "cactus%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, path) == 0);
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2);
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_remove(&lfs2, "prickly-pear") => LFS2_ERR_NOTEMPTY;
lfs2_dir_open(&lfs2, &dir, "prickly-pear") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, ".") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, "..") == 0);
for (int i = 0; i < N; i++) {
sprintf(path, "cactus%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, path) == 0);
sprintf(path, "prickly-pear/%s", info.name);
lfs2_remove(&lfs2, path) => 0;
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_remove(&lfs2, "prickly-pear") => 0;
lfs2_remove(&lfs2, "prickly-pear") => LFS2_ERR_NOENT;
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_remove(&lfs2, "prickly-pear") => LFS2_ERR_NOENT;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # other error cases
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "potato") => 0;
lfs2_file_open(&lfs2, &file, "burito",
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_EXCL) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "potato") => LFS2_ERR_EXIST;
lfs2_mkdir(&lfs2, "burito") => LFS2_ERR_EXIST;
lfs2_file_open(&lfs2, &file, "burito",
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_EXCL) => LFS2_ERR_EXIST;
lfs2_file_open(&lfs2, &file, "potato",
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_EXCL) => LFS2_ERR_EXIST;
lfs2_dir_open(&lfs2, &dir, "tomato") => LFS2_ERR_NOENT;
lfs2_dir_open(&lfs2, &dir, "burito") => LFS2_ERR_NOTDIR;
lfs2_file_open(&lfs2, &file, "tomato", LFS2_O_RDONLY) => LFS2_ERR_NOENT;
lfs2_file_open(&lfs2, &file, "potato", LFS2_O_RDONLY) => LFS2_ERR_ISDIR;
lfs2_file_open(&lfs2, &file, "tomato", LFS2_O_WRONLY) => LFS2_ERR_NOENT;
lfs2_file_open(&lfs2, &file, "potato", LFS2_O_WRONLY) => LFS2_ERR_ISDIR;
lfs2_file_open(&lfs2, &file, "potato",
LFS2_O_WRONLY | LFS2_O_CREAT) => LFS2_ERR_ISDIR;
lfs2_mkdir(&lfs2, "/") => LFS2_ERR_EXIST;
lfs2_file_open(&lfs2, &file, "/",
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_EXCL) => LFS2_ERR_EXIST;
lfs2_file_open(&lfs2, &file, "/", LFS2_O_RDONLY) => LFS2_ERR_ISDIR;
lfs2_file_open(&lfs2, &file, "/", LFS2_O_WRONLY) => LFS2_ERR_ISDIR;
lfs2_file_open(&lfs2, &file, "/",
LFS2_O_WRONLY | LFS2_O_CREAT) => LFS2_ERR_ISDIR;
// check that errors did not corrupt directory
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, ".") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, "..") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_REG);
assert(strcmp(info.name, "burito") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, "potato") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
// or on disk
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, ".") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, "..") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_REG);
assert(strcmp(info.name, "burito") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(info.type == LFS2_TYPE_DIR);
assert(strcmp(info.name, "potato") == 0);
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # directory seek
define.COUNT = [4, 128, 132]
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "hello") => 0;
for (int i = 0; i < COUNT; i++) {
sprintf(path, "hello/kitty%03d", i);
lfs2_mkdir(&lfs2, path) => 0;
}
lfs2_unmount(&lfs2) => 0;
for (int j = 2; j < COUNT; j++) {
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "hello") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, ".") == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, "..") == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_soff_t pos;
for (int i = 0; i < j; i++) {
sprintf(path, "kitty%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, path) == 0);
assert(info.type == LFS2_TYPE_DIR);
pos = lfs2_dir_tell(&lfs2, &dir);
assert(pos >= 0);
}
lfs2_dir_seek(&lfs2, &dir, pos) => 0;
sprintf(path, "kitty%03d", j);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, path) == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_dir_rewind(&lfs2, &dir) => 0;
sprintf(path, "kitty%03d", 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, ".") == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, "..") == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, path) == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_dir_seek(&lfs2, &dir, pos) => 0;
sprintf(path, "kitty%03d", j);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, path) == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
}
'''
[[case]] # root seek
define.COUNT = [4, 128, 132]
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 0; i < COUNT; i++) {
sprintf(path, "hi%03d", i);
lfs2_mkdir(&lfs2, path) => 0;
}
lfs2_unmount(&lfs2) => 0;
for (int j = 2; j < COUNT; j++) {
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, ".") == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, "..") == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_soff_t pos;
for (int i = 0; i < j; i++) {
sprintf(path, "hi%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, path) == 0);
assert(info.type == LFS2_TYPE_DIR);
pos = lfs2_dir_tell(&lfs2, &dir);
assert(pos >= 0);
}
lfs2_dir_seek(&lfs2, &dir, pos) => 0;
sprintf(path, "hi%03d", j);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, path) == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_dir_rewind(&lfs2, &dir) => 0;
sprintf(path, "hi%03d", 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, ".") == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, "..") == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, path) == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_dir_seek(&lfs2, &dir, pos) => 0;
sprintf(path, "hi%03d", j);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, path) == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
}
'''

251
tests/test_entries.sh
View File

@@ -1,251 +0,0 @@
#!/bin/bash
set -eu
export TEST_FILE=$0
trap 'export TEST_LINE=$LINENO' DEBUG
echo "=== Entry tests ==="
# Note: These tests are intended for 512 byte inline size at different
# inline sizes they should still pass, but won't be testing anything
rm -rf blocks
function read_file {
cat << TEST
size = $2;
lfs2_file_open(&lfs2, &file, "$1", LFS2_O_RDONLY) => 0;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
TEST
}
function write_file {
cat << TEST
size = $2;
lfs2_file_open(&lfs2, &file, "$1",
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_close(&lfs2, &file) => 0;
TEST
}
echo "--- Entry grow test ---"
scripts/test.py << TEST
lfs2_format(&lfs2, &cfg) => 0;
uint8_t wbuffer[1024];
uint8_t rbuffer[1024];
lfs2_size_t size;
lfs2_mount(&lfs2, &cfg) => 0;
$(write_file "hi0" 20)
$(write_file "hi1" 20)
$(write_file "hi2" 20)
$(write_file "hi3" 20)
$(read_file "hi1" 20)
$(write_file "hi1" 200)
$(read_file "hi0" 20)
$(read_file "hi1" 200)
$(read_file "hi2" 20)
$(read_file "hi3" 20)
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Entry shrink test ---"
scripts/test.py << TEST
lfs2_format(&lfs2, &cfg) => 0;
uint8_t wbuffer[1024];
uint8_t rbuffer[1024];
lfs2_size_t size;
lfs2_mount(&lfs2, &cfg) => 0;
$(write_file "hi0" 20)
$(write_file "hi1" 200)
$(write_file "hi2" 20)
$(write_file "hi3" 20)
$(read_file "hi1" 200)
$(write_file "hi1" 20)
$(read_file "hi0" 20)
$(read_file "hi1" 20)
$(read_file "hi2" 20)
$(read_file "hi3" 20)
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Entry spill test ---"
scripts/test.py << TEST
lfs2_format(&lfs2, &cfg) => 0;
uint8_t wbuffer[1024];
uint8_t rbuffer[1024];
lfs2_size_t size;
lfs2_mount(&lfs2, &cfg) => 0;
$(write_file "hi0" 200)
$(write_file "hi1" 200)
$(write_file "hi2" 200)
$(write_file "hi3" 200)
$(read_file "hi0" 200)
$(read_file "hi1" 200)
$(read_file "hi2" 200)
$(read_file "hi3" 200)
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Entry push spill test ---"
scripts/test.py << TEST
lfs2_format(&lfs2, &cfg) => 0;
uint8_t wbuffer[1024];
uint8_t rbuffer[1024];
lfs2_size_t size;
lfs2_mount(&lfs2, &cfg) => 0;
$(write_file "hi0" 200)
$(write_file "hi1" 20)
$(write_file "hi2" 200)
$(write_file "hi3" 200)
$(read_file "hi1" 20)
$(write_file "hi1" 200)
$(read_file "hi0" 200)
$(read_file "hi1" 200)
$(read_file "hi2" 200)
$(read_file "hi3" 200)
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Entry push spill two test ---"
scripts/test.py << TEST
lfs2_format(&lfs2, &cfg) => 0;
uint8_t wbuffer[1024];
uint8_t rbuffer[1024];
lfs2_size_t size;
lfs2_mount(&lfs2, &cfg) => 0;
$(write_file "hi0" 200)
$(write_file "hi1" 20)
$(write_file "hi2" 200)
$(write_file "hi3" 200)
$(write_file "hi4" 200)
$(read_file "hi1" 20)
$(write_file "hi1" 200)
$(read_file "hi0" 200)
$(read_file "hi1" 200)
$(read_file "hi2" 200)
$(read_file "hi3" 200)
$(read_file "hi4" 200)
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Entry drop test ---"
scripts/test.py << TEST
lfs2_format(&lfs2, &cfg) => 0;
uint8_t wbuffer[1024];
uint8_t rbuffer[1024];
lfs2_size_t size;
lfs2_mount(&lfs2, &cfg) => 0;
$(write_file "hi0" 200)
$(write_file "hi1" 200)
$(write_file "hi2" 200)
$(write_file "hi3" 200)
lfs2_remove(&lfs2, "hi1") => 0;
lfs2_stat(&lfs2, "hi1", &info) => LFS2_ERR_NOENT;
$(read_file "hi0" 200)
$(read_file "hi2" 200)
$(read_file "hi3" 200)
lfs2_remove(&lfs2, "hi2") => 0;
lfs2_stat(&lfs2, "hi2", &info) => LFS2_ERR_NOENT;
$(read_file "hi0" 200)
$(read_file "hi3" 200)
lfs2_remove(&lfs2, "hi3") => 0;
lfs2_stat(&lfs2, "hi3", &info) => LFS2_ERR_NOENT;
$(read_file "hi0" 200)
lfs2_remove(&lfs2, "hi0") => 0;
lfs2_stat(&lfs2, "hi0", &info) => LFS2_ERR_NOENT;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Create too big ---"
scripts/test.py << TEST
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
memset(path, 'm', 200);
path[200] = '\0';
lfs2_size_t size = 400;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
uint8_t wbuffer[1024];
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_close(&lfs2, &file) => 0;
size = 400;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
uint8_t rbuffer[1024];
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Resize too big ---"
scripts/test.py << TEST
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
memset(path, 'm', 200);
path[200] = '\0';
lfs2_size_t size = 40;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
uint8_t wbuffer[1024];
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_close(&lfs2, &file) => 0;
size = 40;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
uint8_t rbuffer[1024];
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
size = 400;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_close(&lfs2, &file) => 0;
size = 400;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/results.py

611
tests/test_entries.toml Normal file
View File

@@ -0,0 +1,611 @@
# These tests are for some specific corner cases with neighboring inline files.
# Note that these tests are intended for 512 byte inline sizes. They should
# still pass with other inline sizes but wouldn't be testing anything.
define.LFS2_CACHE_SIZE = 512
if = 'LFS2_CACHE_SIZE % LFS2_PROG_SIZE == 0 && LFS2_CACHE_SIZE == 512'
[[case]] # entry grow test
code = '''
uint8_t wbuffer[1024];
uint8_t rbuffer[1024];
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
// write hi0 20
sprintf(path, "hi0"); size = 20;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// write hi1 20
sprintf(path, "hi1"); size = 20;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// write hi2 20
sprintf(path, "hi2"); size = 20;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// write hi3 20
sprintf(path, "hi3"); size = 20;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// read hi1 20
sprintf(path, "hi1"); size = 20;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
// write hi1 200
sprintf(path, "hi1"); size = 200;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// read hi0 20
sprintf(path, "hi0"); size = 20;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
// read hi1 200
sprintf(path, "hi1"); size = 200;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
// read hi2 20
sprintf(path, "hi2"); size = 20;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
// read hi3 20
sprintf(path, "hi3"); size = 20;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # entry shrink test
code = '''
uint8_t wbuffer[1024];
uint8_t rbuffer[1024];
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
// write hi0 20
sprintf(path, "hi0"); size = 20;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// write hi1 200
sprintf(path, "hi1"); size = 200;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// write hi2 20
sprintf(path, "hi2"); size = 20;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// write hi3 20
sprintf(path, "hi3"); size = 20;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// read hi1 200
sprintf(path, "hi1"); size = 200;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
// write hi1 20
sprintf(path, "hi1"); size = 20;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// read hi0 20
sprintf(path, "hi0"); size = 20;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
// read hi1 20
sprintf(path, "hi1"); size = 20;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
// read hi2 20
sprintf(path, "hi2"); size = 20;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
// read hi3 20
sprintf(path, "hi3"); size = 20;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # entry spill test
code = '''
uint8_t wbuffer[1024];
uint8_t rbuffer[1024];
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
// write hi0 200
sprintf(path, "hi0"); size = 200;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// write hi1 200
sprintf(path, "hi1"); size = 200;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// write hi2 200
sprintf(path, "hi2"); size = 200;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// write hi3 200
sprintf(path, "hi3"); size = 200;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// read hi0 200
sprintf(path, "hi0"); size = 200;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
// read hi1 200
sprintf(path, "hi1"); size = 200;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
// read hi2 200
sprintf(path, "hi2"); size = 200;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
// read hi3 200
sprintf(path, "hi3"); size = 200;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # entry push spill test
code = '''
uint8_t wbuffer[1024];
uint8_t rbuffer[1024];
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
// write hi0 200
sprintf(path, "hi0"); size = 200;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// write hi1 20
sprintf(path, "hi1"); size = 20;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// write hi2 200
sprintf(path, "hi2"); size = 200;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// write hi3 200
sprintf(path, "hi3"); size = 200;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// read hi1 20
sprintf(path, "hi1"); size = 20;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
// write hi1 200
sprintf(path, "hi1"); size = 200;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// read hi0 200
sprintf(path, "hi0"); size = 200;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
// read hi1 200
sprintf(path, "hi1"); size = 200;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
// read hi2 200
sprintf(path, "hi2"); size = 200;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
// read hi3 200
sprintf(path, "hi3"); size = 200;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # entry push spill two test
code = '''
uint8_t wbuffer[1024];
uint8_t rbuffer[1024];
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
// write hi0 200
sprintf(path, "hi0"); size = 200;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// write hi1 20
sprintf(path, "hi1"); size = 20;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// write hi2 200
sprintf(path, "hi2"); size = 200;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// write hi3 200
sprintf(path, "hi3"); size = 200;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// write hi4 200
sprintf(path, "hi4"); size = 200;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// read hi1 20
sprintf(path, "hi1"); size = 20;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
// write hi1 200
sprintf(path, "hi1"); size = 200;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// read hi0 200
sprintf(path, "hi0"); size = 200;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
// read hi1 200
sprintf(path, "hi1"); size = 200;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
// read hi2 200
sprintf(path, "hi2"); size = 200;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
// read hi3 200
sprintf(path, "hi3"); size = 200;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
// read hi4 200
sprintf(path, "hi4"); size = 200;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # entry drop test
code = '''
uint8_t wbuffer[1024];
uint8_t rbuffer[1024];
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
// write hi0 200
sprintf(path, "hi0"); size = 200;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// write hi1 200
sprintf(path, "hi1"); size = 200;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// write hi2 200
sprintf(path, "hi2"); size = 200;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
// write hi3 200
sprintf(path, "hi3"); size = 200;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_remove(&lfs2, "hi1") => 0;
lfs2_stat(&lfs2, "hi1", &info) => LFS2_ERR_NOENT;
// read hi0 200
sprintf(path, "hi0"); size = 200;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
// read hi2 200
sprintf(path, "hi2"); size = 200;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
// read hi3 200
sprintf(path, "hi3"); size = 200;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_remove(&lfs2, "hi2") => 0;
lfs2_stat(&lfs2, "hi2", &info) => LFS2_ERR_NOENT;
// read hi0 200
sprintf(path, "hi0"); size = 200;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
// read hi3 200
sprintf(path, "hi3"); size = 200;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_remove(&lfs2, "hi3") => 0;
lfs2_stat(&lfs2, "hi3", &info) => LFS2_ERR_NOENT;
// read hi0 200
sprintf(path, "hi0"); size = 200;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_remove(&lfs2, "hi0") => 0;
lfs2_stat(&lfs2, "hi0", &info) => LFS2_ERR_NOENT;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # create too big
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
memset(path, 'm', 200);
path[200] = '\0';
size = 400;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
uint8_t wbuffer[1024];
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_close(&lfs2, &file) => 0;
size = 400;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
uint8_t rbuffer[1024];
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # resize too big
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
memset(path, 'm', 200);
path[200] = '\0';
size = 40;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
uint8_t wbuffer[1024];
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_close(&lfs2, &file) => 0;
size = 40;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
uint8_t rbuffer[1024];
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
size = 400;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
memset(wbuffer, 'c', size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_close(&lfs2, &file) => 0;
size = 400;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''

288
tests/test_evil.toml Normal file
View File

@@ -0,0 +1,288 @@
# Tests for recovering from conditions which shouldn't normally
# happen during normal operation of littlefs
# invalid pointer tests (outside of block_count)
[[case]] # invalid tail-pointer test
define.TAIL_TYPE = ['LFS2_TYPE_HARDTAIL', 'LFS2_TYPE_SOFTTAIL']
define.INVALSET = [0x3, 0x1, 0x2]
in = "lfs2.c"
code = '''
// create littlefs
lfs2_format(&lfs2, &cfg) => 0;
// change tail-pointer to invalid pointers
lfs2_init(&lfs2, &cfg) => 0;
lfs2_mdir_t mdir;
lfs2_dir_fetch(&lfs2, &mdir, (lfs2_block_t[2]){0, 1}) => 0;
lfs2_dir_commit(&lfs2, &mdir, LFS2_MKATTRS(
{LFS2_MKTAG(LFS2_TYPE_HARDTAIL, 0x3ff, 8),
(lfs2_block_t[2]){
(INVALSET & 0x1) ? 0xcccccccc : 0,
(INVALSET & 0x2) ? 0xcccccccc : 0}})) => 0;
lfs2_deinit(&lfs2) => 0;
// test that mount fails gracefully
lfs2_mount(&lfs2, &cfg) => LFS2_ERR_CORRUPT;
'''
[[case]] # invalid dir pointer test
define.INVALSET = [0x3, 0x1, 0x2]
in = "lfs2.c"
code = '''
// create littlefs
lfs2_format(&lfs2, &cfg) => 0;
// make a dir
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "dir_here") => 0;
lfs2_unmount(&lfs2) => 0;
// change the dir pointer to be invalid
lfs2_init(&lfs2, &cfg) => 0;
lfs2_mdir_t mdir;
lfs2_dir_fetch(&lfs2, &mdir, (lfs2_block_t[2]){0, 1}) => 0;
// make sure id 1 == our directory
lfs2_dir_get(&lfs2, &mdir,
LFS2_MKTAG(0x700, 0x3ff, 0),
LFS2_MKTAG(LFS2_TYPE_NAME, 1, strlen("dir_here")), buffer)
=> LFS2_MKTAG(LFS2_TYPE_DIR, 1, strlen("dir_here"));
assert(memcmp((char*)buffer, "dir_here", strlen("dir_here")) == 0);
// change dir pointer
lfs2_dir_commit(&lfs2, &mdir, LFS2_MKATTRS(
{LFS2_MKTAG(LFS2_TYPE_DIRSTRUCT, 1, 8),
(lfs2_block_t[2]){
(INVALSET & 0x1) ? 0xcccccccc : 0,
(INVALSET & 0x2) ? 0xcccccccc : 0}})) => 0;
lfs2_deinit(&lfs2) => 0;
// test that accessing our bad dir fails, note there's a number
// of ways to access the dir, some can fail, but some don't
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_stat(&lfs2, "dir_here", &info) => 0;
assert(strcmp(info.name, "dir_here") == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_dir_open(&lfs2, &dir, "dir_here") => LFS2_ERR_CORRUPT;
lfs2_stat(&lfs2, "dir_here/file_here", &info) => LFS2_ERR_CORRUPT;
lfs2_dir_open(&lfs2, &dir, "dir_here/dir_here") => LFS2_ERR_CORRUPT;
lfs2_file_open(&lfs2, &file, "dir_here/file_here",
LFS2_O_RDONLY) => LFS2_ERR_CORRUPT;
lfs2_file_open(&lfs2, &file, "dir_here/file_here",
LFS2_O_WRONLY | LFS2_O_CREAT) => LFS2_ERR_CORRUPT;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # invalid file pointer test
in = "lfs2.c"
define.SIZE = [10, 1000, 100000] # faked file size
code = '''
// create littlefs
lfs2_format(&lfs2, &cfg) => 0;
// make a file
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "file_here",
LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
// change the file pointer to be invalid
lfs2_init(&lfs2, &cfg) => 0;
lfs2_mdir_t mdir;
lfs2_dir_fetch(&lfs2, &mdir, (lfs2_block_t[2]){0, 1}) => 0;
// make sure id 1 == our file
lfs2_dir_get(&lfs2, &mdir,
LFS2_MKTAG(0x700, 0x3ff, 0),
LFS2_MKTAG(LFS2_TYPE_NAME, 1, strlen("file_here")), buffer)
=> LFS2_MKTAG(LFS2_TYPE_REG, 1, strlen("file_here"));
assert(memcmp((char*)buffer, "file_here", strlen("file_here")) == 0);
// change file pointer
lfs2_dir_commit(&lfs2, &mdir, LFS2_MKATTRS(
{LFS2_MKTAG(LFS2_TYPE_CTZSTRUCT, 1, sizeof(struct lfs2_ctz)),
&(struct lfs2_ctz){0xcccccccc, lfs2_tole32(SIZE)}})) => 0;
lfs2_deinit(&lfs2) => 0;
// test that accessing our bad file fails, note there's a number
// of ways to access the dir, some can fail, but some don't
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_stat(&lfs2, "file_here", &info) => 0;
assert(strcmp(info.name, "file_here") == 0);
assert(info.type == LFS2_TYPE_REG);
assert(info.size == SIZE);
lfs2_file_open(&lfs2, &file, "file_here", LFS2_O_RDONLY) => 0;
lfs2_file_read(&lfs2, &file, buffer, SIZE) => LFS2_ERR_CORRUPT;
lfs2_file_close(&lfs2, &file) => 0;
// any allocs that traverse CTZ must unfortunately must fail
if (SIZE > 2*LFS2_BLOCK_SIZE) {
lfs2_mkdir(&lfs2, "dir_here") => LFS2_ERR_CORRUPT;
}
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # invalid pointer in CTZ skip-list test
define.SIZE = ['2*LFS2_BLOCK_SIZE', '3*LFS2_BLOCK_SIZE', '4*LFS2_BLOCK_SIZE']
in = "lfs2.c"
code = '''
// create littlefs
lfs2_format(&lfs2, &cfg) => 0;
// make a file
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "file_here",
LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
for (int i = 0; i < SIZE; i++) {
char c = 'c';
lfs2_file_write(&lfs2, &file, &c, 1) => 1;
}
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
// change pointer in CTZ skip-list to be invalid
lfs2_init(&lfs2, &cfg) => 0;
lfs2_mdir_t mdir;
lfs2_dir_fetch(&lfs2, &mdir, (lfs2_block_t[2]){0, 1}) => 0;
// make sure id 1 == our file and get our CTZ structure
lfs2_dir_get(&lfs2, &mdir,
LFS2_MKTAG(0x700, 0x3ff, 0),
LFS2_MKTAG(LFS2_TYPE_NAME, 1, strlen("file_here")), buffer)
=> LFS2_MKTAG(LFS2_TYPE_REG, 1, strlen("file_here"));
assert(memcmp((char*)buffer, "file_here", strlen("file_here")) == 0);
struct lfs2_ctz ctz;
lfs2_dir_get(&lfs2, &mdir,
LFS2_MKTAG(0x700, 0x3ff, 0),
LFS2_MKTAG(LFS2_TYPE_STRUCT, 1, sizeof(struct lfs2_ctz)), &ctz)
=> LFS2_MKTAG(LFS2_TYPE_CTZSTRUCT, 1, sizeof(struct lfs2_ctz));
lfs2_ctz_fromle32(&ctz);
// rewrite block to contain bad pointer
uint8_t bbuffer[LFS2_BLOCK_SIZE];
cfg.read(&cfg, ctz.head, 0, bbuffer, LFS2_BLOCK_SIZE) => 0;
uint32_t bad = lfs2_tole32(0xcccccccc);
memcpy(&bbuffer[0], &bad, sizeof(bad));
memcpy(&bbuffer[4], &bad, sizeof(bad));
cfg.erase(&cfg, ctz.head) => 0;
cfg.prog(&cfg, ctz.head, 0, bbuffer, LFS2_BLOCK_SIZE) => 0;
lfs2_deinit(&lfs2) => 0;
// test that accessing our bad file fails, note there's a number
// of ways to access the dir, some can fail, but some don't
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_stat(&lfs2, "file_here", &info) => 0;
assert(strcmp(info.name, "file_here") == 0);
assert(info.type == LFS2_TYPE_REG);
assert(info.size == SIZE);
lfs2_file_open(&lfs2, &file, "file_here", LFS2_O_RDONLY) => 0;
lfs2_file_read(&lfs2, &file, buffer, SIZE) => LFS2_ERR_CORRUPT;
lfs2_file_close(&lfs2, &file) => 0;
// any allocs that traverse CTZ must unfortunately must fail
if (SIZE > 2*LFS2_BLOCK_SIZE) {
lfs2_mkdir(&lfs2, "dir_here") => LFS2_ERR_CORRUPT;
}
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # invalid gstate pointer
define.INVALSET = [0x3, 0x1, 0x2]
in = "lfs2.c"
code = '''
// create littlefs
lfs2_format(&lfs2, &cfg) => 0;
// create an invalid gstate
lfs2_init(&lfs2, &cfg) => 0;
lfs2_mdir_t mdir;
lfs2_dir_fetch(&lfs2, &mdir, (lfs2_block_t[2]){0, 1}) => 0;
lfs2_fs_prepmove(&lfs2, 1, (lfs2_block_t [2]){
(INVALSET & 0x1) ? 0xcccccccc : 0,
(INVALSET & 0x2) ? 0xcccccccc : 0});
lfs2_dir_commit(&lfs2, &mdir, NULL, 0) => 0;
lfs2_deinit(&lfs2) => 0;
// test that mount fails gracefully
// mount may not fail, but our first alloc should fail when
// we try to fix the gstate
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "should_fail") => LFS2_ERR_CORRUPT;
lfs2_unmount(&lfs2) => 0;
'''
# cycle detection/recovery tests
[[case]] # metadata-pair threaded-list loop test
in = "lfs2.c"
code = '''
// create littlefs
lfs2_format(&lfs2, &cfg) => 0;
// change tail-pointer to point to ourself
lfs2_init(&lfs2, &cfg) => 0;
lfs2_mdir_t mdir;
lfs2_dir_fetch(&lfs2, &mdir, (lfs2_block_t[2]){0, 1}) => 0;
lfs2_dir_commit(&lfs2, &mdir, LFS2_MKATTRS(
{LFS2_MKTAG(LFS2_TYPE_HARDTAIL, 0x3ff, 8),
(lfs2_block_t[2]){0, 1}})) => 0;
lfs2_deinit(&lfs2) => 0;
// test that mount fails gracefully
lfs2_mount(&lfs2, &cfg) => LFS2_ERR_CORRUPT;
'''
[[case]] # metadata-pair threaded-list 2-length loop test
in = "lfs2.c"
code = '''
// create littlefs with child dir
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "child") => 0;
lfs2_unmount(&lfs2) => 0;
// find child
lfs2_init(&lfs2, &cfg) => 0;
lfs2_mdir_t mdir;
lfs2_block_t pair[2];
lfs2_dir_fetch(&lfs2, &mdir, (lfs2_block_t[2]){0, 1}) => 0;
lfs2_dir_get(&lfs2, &mdir,
LFS2_MKTAG(0x7ff, 0x3ff, 0),
LFS2_MKTAG(LFS2_TYPE_DIRSTRUCT, 1, sizeof(pair)), pair)
=> LFS2_MKTAG(LFS2_TYPE_DIRSTRUCT, 1, sizeof(pair));
lfs2_pair_fromle32(pair);
// change tail-pointer to point to root
lfs2_dir_fetch(&lfs2, &mdir, pair) => 0;
lfs2_dir_commit(&lfs2, &mdir, LFS2_MKATTRS(
{LFS2_MKTAG(LFS2_TYPE_HARDTAIL, 0x3ff, 8),
(lfs2_block_t[2]){0, 1}})) => 0;
lfs2_deinit(&lfs2) => 0;
// test that mount fails gracefully
lfs2_mount(&lfs2, &cfg) => LFS2_ERR_CORRUPT;
'''
[[case]] # metadata-pair threaded-list 1-length child loop test
in = "lfs2.c"
code = '''
// create littlefs with child dir
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "child") => 0;
lfs2_unmount(&lfs2) => 0;
// find child
lfs2_init(&lfs2, &cfg) => 0;
lfs2_mdir_t mdir;
lfs2_block_t pair[2];
lfs2_dir_fetch(&lfs2, &mdir, (lfs2_block_t[2]){0, 1}) => 0;
lfs2_dir_get(&lfs2, &mdir,
LFS2_MKTAG(0x7ff, 0x3ff, 0),
LFS2_MKTAG(LFS2_TYPE_DIRSTRUCT, 1, sizeof(pair)), pair)
=> LFS2_MKTAG(LFS2_TYPE_DIRSTRUCT, 1, sizeof(pair));
lfs2_pair_fromle32(pair);
// change tail-pointer to point to ourself
lfs2_dir_fetch(&lfs2, &mdir, pair) => 0;
lfs2_dir_commit(&lfs2, &mdir, LFS2_MKATTRS(
{LFS2_MKTAG(LFS2_TYPE_HARDTAIL, 0x3ff, 8), pair})) => 0;
lfs2_deinit(&lfs2) => 0;
// test that mount fails gracefully
lfs2_mount(&lfs2, &cfg) => LFS2_ERR_CORRUPT;
'''

465
tests/test_exhaustion.toml Normal file
View File

@@ -0,0 +1,465 @@
[[case]] # test running a filesystem to exhaustion
define.LFS2_ERASE_CYCLES = 10
define.LFS2_BLOCK_COUNT = 256 # small bd so test runs faster
define.LFS2_BLOCK_CYCLES = 'LFS2_ERASE_CYCLES / 2'
define.LFS2_BADBLOCK_BEHAVIOR = [
'LFS2_TESTBD_BADBLOCK_PROGERROR',
'LFS2_TESTBD_BADBLOCK_ERASEERROR',
'LFS2_TESTBD_BADBLOCK_READERROR',
'LFS2_TESTBD_BADBLOCK_PROGNOOP',
'LFS2_TESTBD_BADBLOCK_ERASENOOP',
]
define.FILES = 10
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "roadrunner") => 0;
lfs2_unmount(&lfs2) => 0;
uint32_t cycle = 0;
while (true) {
lfs2_mount(&lfs2, &cfg) => 0;
for (uint32_t i = 0; i < FILES; i++) {
// chose name, roughly random seed, and random 2^n size
sprintf(path, "roadrunner/test%d", i);
srand(cycle * i);
size = 1 << ((rand() % 10)+2);
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
for (lfs2_size_t j = 0; j < size; j++) {
char c = 'a' + (rand() % 26);
lfs2_ssize_t res = lfs2_file_write(&lfs2, &file, &c, 1);
assert(res == 1 || res == LFS2_ERR_NOSPC);
if (res == LFS2_ERR_NOSPC) {
err = lfs2_file_close(&lfs2, &file);
assert(err == 0 || err == LFS2_ERR_NOSPC);
lfs2_unmount(&lfs2) => 0;
goto exhausted;
}
}
err = lfs2_file_close(&lfs2, &file);
assert(err == 0 || err == LFS2_ERR_NOSPC);
if (err == LFS2_ERR_NOSPC) {
lfs2_unmount(&lfs2) => 0;
goto exhausted;
}
}
for (uint32_t i = 0; i < FILES; i++) {
// check for errors
sprintf(path, "roadrunner/test%d", i);
srand(cycle * i);
size = 1 << ((rand() % 10)+2);
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
for (lfs2_size_t j = 0; j < size; j++) {
char c = 'a' + (rand() % 26);
char r;
lfs2_file_read(&lfs2, &file, &r, 1) => 1;
assert(r == c);
}
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
cycle += 1;
}
exhausted:
// should still be readable
lfs2_mount(&lfs2, &cfg) => 0;
for (uint32_t i = 0; i < FILES; i++) {
// check for errors
sprintf(path, "roadrunner/test%d", i);
lfs2_stat(&lfs2, path, &info) => 0;
}
lfs2_unmount(&lfs2) => 0;
LFS2_WARN("completed %d cycles", cycle);
'''
[[case]] # test running a filesystem to exhaustion
# which also requires expanding superblocks
define.LFS2_ERASE_CYCLES = 10
define.LFS2_BLOCK_COUNT = 256 # small bd so test runs faster
define.LFS2_BLOCK_CYCLES = 'LFS2_ERASE_CYCLES / 2'
define.LFS2_BADBLOCK_BEHAVIOR = [
'LFS2_TESTBD_BADBLOCK_PROGERROR',
'LFS2_TESTBD_BADBLOCK_ERASEERROR',
'LFS2_TESTBD_BADBLOCK_READERROR',
'LFS2_TESTBD_BADBLOCK_PROGNOOP',
'LFS2_TESTBD_BADBLOCK_ERASENOOP',
]
define.FILES = 10
code = '''
lfs2_format(&lfs2, &cfg) => 0;
uint32_t cycle = 0;
while (true) {
lfs2_mount(&lfs2, &cfg) => 0;
for (uint32_t i = 0; i < FILES; i++) {
// chose name, roughly random seed, and random 2^n size
sprintf(path, "test%d", i);
srand(cycle * i);
size = 1 << ((rand() % 10)+2);
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
for (lfs2_size_t j = 0; j < size; j++) {
char c = 'a' + (rand() % 26);
lfs2_ssize_t res = lfs2_file_write(&lfs2, &file, &c, 1);
assert(res == 1 || res == LFS2_ERR_NOSPC);
if (res == LFS2_ERR_NOSPC) {
err = lfs2_file_close(&lfs2, &file);
assert(err == 0 || err == LFS2_ERR_NOSPC);
lfs2_unmount(&lfs2) => 0;
goto exhausted;
}
}
err = lfs2_file_close(&lfs2, &file);
assert(err == 0 || err == LFS2_ERR_NOSPC);
if (err == LFS2_ERR_NOSPC) {
lfs2_unmount(&lfs2) => 0;
goto exhausted;
}
}
for (uint32_t i = 0; i < FILES; i++) {
// check for errors
sprintf(path, "test%d", i);
srand(cycle * i);
size = 1 << ((rand() % 10)+2);
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
for (lfs2_size_t j = 0; j < size; j++) {
char c = 'a' + (rand() % 26);
char r;
lfs2_file_read(&lfs2, &file, &r, 1) => 1;
assert(r == c);
}
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
cycle += 1;
}
exhausted:
// should still be readable
lfs2_mount(&lfs2, &cfg) => 0;
for (uint32_t i = 0; i < FILES; i++) {
// check for errors
sprintf(path, "test%d", i);
lfs2_stat(&lfs2, path, &info) => 0;
}
lfs2_unmount(&lfs2) => 0;
LFS2_WARN("completed %d cycles", cycle);
'''
# These are a sort of high-level litmus test for wear-leveling. One definition
# of wear-leveling is that increasing a block device's space translates directly
# into increasing the block devices lifetime. This is something we can actually
# check for.
[[case]] # wear-level test running a filesystem to exhaustion
define.LFS2_ERASE_CYCLES = 20
define.LFS2_BLOCK_COUNT = 256 # small bd so test runs faster
define.LFS2_BLOCK_CYCLES = 'LFS2_ERASE_CYCLES / 2'
define.FILES = 10
code = '''
uint32_t run_cycles[2];
const uint32_t run_block_count[2] = {LFS2_BLOCK_COUNT/2, LFS2_BLOCK_COUNT};
for (int run = 0; run < 2; run++) {
for (lfs2_block_t b = 0; b < LFS2_BLOCK_COUNT; b++) {
lfs2_testbd_setwear(&cfg, b,
(b < run_block_count[run]) ? 0 : LFS2_ERASE_CYCLES) => 0;
}
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "roadrunner") => 0;
lfs2_unmount(&lfs2) => 0;
uint32_t cycle = 0;
while (true) {
lfs2_mount(&lfs2, &cfg) => 0;
for (uint32_t i = 0; i < FILES; i++) {
// chose name, roughly random seed, and random 2^n size
sprintf(path, "roadrunner/test%d", i);
srand(cycle * i);
size = 1 << ((rand() % 10)+2);
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
for (lfs2_size_t j = 0; j < size; j++) {
char c = 'a' + (rand() % 26);
lfs2_ssize_t res = lfs2_file_write(&lfs2, &file, &c, 1);
assert(res == 1 || res == LFS2_ERR_NOSPC);
if (res == LFS2_ERR_NOSPC) {
err = lfs2_file_close(&lfs2, &file);
assert(err == 0 || err == LFS2_ERR_NOSPC);
lfs2_unmount(&lfs2) => 0;
goto exhausted;
}
}
err = lfs2_file_close(&lfs2, &file);
assert(err == 0 || err == LFS2_ERR_NOSPC);
if (err == LFS2_ERR_NOSPC) {
lfs2_unmount(&lfs2) => 0;
goto exhausted;
}
}
for (uint32_t i = 0; i < FILES; i++) {
// check for errors
sprintf(path, "roadrunner/test%d", i);
srand(cycle * i);
size = 1 << ((rand() % 10)+2);
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
for (lfs2_size_t j = 0; j < size; j++) {
char c = 'a' + (rand() % 26);
char r;
lfs2_file_read(&lfs2, &file, &r, 1) => 1;
assert(r == c);
}
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
cycle += 1;
}
exhausted:
// should still be readable
lfs2_mount(&lfs2, &cfg) => 0;
for (uint32_t i = 0; i < FILES; i++) {
// check for errors
sprintf(path, "roadrunner/test%d", i);
lfs2_stat(&lfs2, path, &info) => 0;
}
lfs2_unmount(&lfs2) => 0;
run_cycles[run] = cycle;
LFS2_WARN("completed %d blocks %d cycles",
run_block_count[run], run_cycles[run]);
}
// check we increased the lifetime by 2x with ~10% error
LFS2_ASSERT(run_cycles[1]*110/100 > 2*run_cycles[0]);
'''
[[case]] # wear-level test + expanding superblock
define.LFS2_ERASE_CYCLES = 20
define.LFS2_BLOCK_COUNT = 256 # small bd so test runs faster
define.LFS2_BLOCK_CYCLES = 'LFS2_ERASE_CYCLES / 2'
define.FILES = 10
code = '''
uint32_t run_cycles[2];
const uint32_t run_block_count[2] = {LFS2_BLOCK_COUNT/2, LFS2_BLOCK_COUNT};
for (int run = 0; run < 2; run++) {
for (lfs2_block_t b = 0; b < LFS2_BLOCK_COUNT; b++) {
lfs2_testbd_setwear(&cfg, b,
(b < run_block_count[run]) ? 0 : LFS2_ERASE_CYCLES) => 0;
}
lfs2_format(&lfs2, &cfg) => 0;
uint32_t cycle = 0;
while (true) {
lfs2_mount(&lfs2, &cfg) => 0;
for (uint32_t i = 0; i < FILES; i++) {
// chose name, roughly random seed, and random 2^n size
sprintf(path, "test%d", i);
srand(cycle * i);
size = 1 << ((rand() % 10)+2);
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
for (lfs2_size_t j = 0; j < size; j++) {
char c = 'a' + (rand() % 26);
lfs2_ssize_t res = lfs2_file_write(&lfs2, &file, &c, 1);
assert(res == 1 || res == LFS2_ERR_NOSPC);
if (res == LFS2_ERR_NOSPC) {
err = lfs2_file_close(&lfs2, &file);
assert(err == 0 || err == LFS2_ERR_NOSPC);
lfs2_unmount(&lfs2) => 0;
goto exhausted;
}
}
err = lfs2_file_close(&lfs2, &file);
assert(err == 0 || err == LFS2_ERR_NOSPC);
if (err == LFS2_ERR_NOSPC) {
lfs2_unmount(&lfs2) => 0;
goto exhausted;
}
}
for (uint32_t i = 0; i < FILES; i++) {
// check for errors
sprintf(path, "test%d", i);
srand(cycle * i);
size = 1 << ((rand() % 10)+2);
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
for (lfs2_size_t j = 0; j < size; j++) {
char c = 'a' + (rand() % 26);
char r;
lfs2_file_read(&lfs2, &file, &r, 1) => 1;
assert(r == c);
}
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
cycle += 1;
}
exhausted:
// should still be readable
lfs2_mount(&lfs2, &cfg) => 0;
for (uint32_t i = 0; i < FILES; i++) {
// check for errors
sprintf(path, "test%d", i);
lfs2_stat(&lfs2, path, &info) => 0;
}
lfs2_unmount(&lfs2) => 0;
run_cycles[run] = cycle;
LFS2_WARN("completed %d blocks %d cycles",
run_block_count[run], run_cycles[run]);
}
// check we increased the lifetime by 2x with ~10% error
LFS2_ASSERT(run_cycles[1]*110/100 > 2*run_cycles[0]);
'''
[[case]] # test that we wear blocks roughly evenly
define.LFS2_ERASE_CYCLES = 0xffffffff
define.LFS2_BLOCK_COUNT = 256 # small bd so test runs faster
define.LFS2_BLOCK_CYCLES = [5, 4, 3, 2, 1]
define.CYCLES = 100
define.FILES = 10
if = 'LFS2_BLOCK_CYCLES < CYCLES/10'
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "roadrunner") => 0;
lfs2_unmount(&lfs2) => 0;
uint32_t cycle = 0;
while (cycle < CYCLES) {
lfs2_mount(&lfs2, &cfg) => 0;
for (uint32_t i = 0; i < FILES; i++) {
// chose name, roughly random seed, and random 2^n size
sprintf(path, "roadrunner/test%d", i);
srand(cycle * i);
size = 1 << 4; //((rand() % 10)+2);
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
for (lfs2_size_t j = 0; j < size; j++) {
char c = 'a' + (rand() % 26);
lfs2_ssize_t res = lfs2_file_write(&lfs2, &file, &c, 1);
assert(res == 1 || res == LFS2_ERR_NOSPC);
if (res == LFS2_ERR_NOSPC) {
err = lfs2_file_close(&lfs2, &file);
assert(err == 0 || err == LFS2_ERR_NOSPC);
lfs2_unmount(&lfs2) => 0;
goto exhausted;
}
}
err = lfs2_file_close(&lfs2, &file);
assert(err == 0 || err == LFS2_ERR_NOSPC);
if (err == LFS2_ERR_NOSPC) {
lfs2_unmount(&lfs2) => 0;
goto exhausted;
}
}
for (uint32_t i = 0; i < FILES; i++) {
// check for errors
sprintf(path, "roadrunner/test%d", i);
srand(cycle * i);
size = 1 << 4; //((rand() % 10)+2);
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
for (lfs2_size_t j = 0; j < size; j++) {
char c = 'a' + (rand() % 26);
char r;
lfs2_file_read(&lfs2, &file, &r, 1) => 1;
assert(r == c);
}
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
cycle += 1;
}
exhausted:
// should still be readable
lfs2_mount(&lfs2, &cfg) => 0;
for (uint32_t i = 0; i < FILES; i++) {
// check for errors
sprintf(path, "roadrunner/test%d", i);
lfs2_stat(&lfs2, path, &info) => 0;
}
lfs2_unmount(&lfs2) => 0;
LFS2_WARN("completed %d cycles", cycle);
// check the wear on our block device
lfs2_testbd_wear_t minwear = -1;
lfs2_testbd_wear_t totalwear = 0;
lfs2_testbd_wear_t maxwear = 0;
// skip 0 and 1 as superblock movement is intentionally avoided
for (lfs2_block_t b = 2; b < LFS2_BLOCK_COUNT; b++) {
lfs2_testbd_wear_t wear = lfs2_testbd_getwear(&cfg, b);
printf("%08x: wear %d\n", b, wear);
assert(wear >= 0);
if (wear < minwear) {
minwear = wear;
}
if (wear > maxwear) {
maxwear = wear;
}
totalwear += wear;
}
lfs2_testbd_wear_t avgwear = totalwear / LFS2_BLOCK_COUNT;
LFS2_WARN("max wear: %d cycles", maxwear);
LFS2_WARN("avg wear: %d cycles", totalwear / LFS2_BLOCK_COUNT);
LFS2_WARN("min wear: %d cycles", minwear);
// find standard deviation^2
lfs2_testbd_wear_t dev2 = 0;
for (lfs2_block_t b = 2; b < LFS2_BLOCK_COUNT; b++) {
lfs2_testbd_wear_t wear = lfs2_testbd_getwear(&cfg, b);
assert(wear >= 0);
lfs2_testbd_swear_t diff = wear - avgwear;
dev2 += diff*diff;
}
dev2 /= totalwear;
LFS2_WARN("std dev^2: %d", dev2);
assert(dev2 < 8);
'''

221
tests/test_files.sh
View File

@@ -1,221 +0,0 @@
#!/bin/bash
set -eu
export TEST_FILE=$0
trap 'export TEST_LINE=$LINENO' DEBUG
echo "=== File tests ==="
SMALLSIZE=32
MEDIUMSIZE=8192
LARGESIZE=262144
rm -rf blocks
scripts/test.py << TEST
lfs2_format(&lfs2, &cfg) => 0;
TEST
echo "--- Simple file test ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "hello", LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
lfs2_size_t size = strlen("Hello World!\n");
uint8_t wbuffer[1024];
memcpy(wbuffer, "Hello World!\n", size);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_file_open(&lfs2, &file, "hello", LFS2_O_RDONLY) => 0;
size = strlen("Hello World!\n");
uint8_t rbuffer[1024];
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(rbuffer, wbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
w_test() {
scripts/test.py ${4:-} << TEST
lfs2_size_t size = $1;
lfs2_size_t chunk = 31;
srand(0);
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "$2",
${3:-LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC}) => 0;
for (lfs2_size_t i = 0; i < size; i += chunk) {
chunk = (chunk < size - i) ? chunk : size - i;
for (lfs2_size_t b = 0; b < chunk; b++) {
buffer[b] = rand() & 0xff;
}
lfs2_file_write(&lfs2, &file, buffer, chunk) => chunk;
}
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
}
r_test() {
scripts/test.py << TEST
lfs2_size_t size = $1;
lfs2_size_t chunk = 29;
srand(0);
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_stat(&lfs2, "$2", &info) => 0;
info.type => LFS2_TYPE_REG;
info.size => size;
lfs2_file_open(&lfs2, &file, "$2", ${3:-LFS2_O_RDONLY}) => 0;
for (lfs2_size_t i = 0; i < size; i += chunk) {
chunk = (chunk < size - i) ? chunk : size - i;
lfs2_file_read(&lfs2, &file, buffer, chunk) => chunk;
for (lfs2_size_t b = 0; b < chunk && i+b < size; b++) {
buffer[b] => rand() & 0xff;
}
}
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
}
echo "--- Small file test ---"
w_test $SMALLSIZE smallavacado
r_test $SMALLSIZE smallavacado
echo "--- Medium file test ---"
w_test $MEDIUMSIZE mediumavacado
r_test $MEDIUMSIZE mediumavacado
echo "--- Large file test ---"
w_test $LARGESIZE largeavacado
r_test $LARGESIZE largeavacado
echo "--- Zero file test ---"
w_test 0 noavacado
r_test 0 noavacado
echo "--- Truncate small test ---"
w_test $SMALLSIZE mediumavacado
r_test $SMALLSIZE mediumavacado
w_test $MEDIUMSIZE mediumavacado
r_test $MEDIUMSIZE mediumavacado
echo "--- Truncate zero test ---"
w_test $SMALLSIZE noavacado
r_test $SMALLSIZE noavacado
w_test 0 noavacado
r_test 0 noavacado
echo "--- Non-overlap check ---"
r_test $SMALLSIZE smallavacado
r_test $MEDIUMSIZE mediumavacado
r_test $LARGESIZE largeavacado
r_test 0 noavacado
echo "--- Dir check ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "hello") => 0;
info.type => LFS2_TYPE_REG;
info.size => strlen("Hello World!\n");
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "largeavacado") => 0;
info.type => LFS2_TYPE_REG;
info.size => $LARGESIZE;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "mediumavacado") => 0;
info.type => LFS2_TYPE_REG;
info.size => $MEDIUMSIZE;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "noavacado") => 0;
info.type => LFS2_TYPE_REG;
info.size => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "smallavacado") => 0;
info.type => LFS2_TYPE_REG;
info.size => $SMALLSIZE;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Many files test ---"
scripts/test.py << TEST
lfs2_format(&lfs2, &cfg) => 0;
TEST
scripts/test.py << TEST
// Create 300 files of 7 bytes
lfs2_mount(&lfs2, &cfg) => 0;
for (unsigned i = 0; i < 300; i++) {
sprintf(path, "file_%03d", i);
lfs2_file_open(&lfs2, &file, path,
LFS2_O_RDWR | LFS2_O_CREAT | LFS2_O_EXCL) => 0;
lfs2_size_t size = 7;
uint8_t wbuffer[1024];
uint8_t rbuffer[1024];
snprintf((char*)wbuffer, size, "Hi %03d", i);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_rewind(&lfs2, &file) => 0;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(wbuffer, rbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Many files with flush test ---"
scripts/test.py << TEST
lfs2_format(&lfs2, &cfg) => 0;
TEST
scripts/test.py << TEST
// Create 300 files of 7 bytes
lfs2_mount(&lfs2, &cfg) => 0;
for (unsigned i = 0; i < 300; i++) {
sprintf(path, "file_%03d", i);
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_EXCL) => 0;
lfs2_size_t size = 7;
uint8_t wbuffer[1024];
uint8_t rbuffer[1024];
snprintf((char*)wbuffer, size, "Hi %03d", i);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(wbuffer, rbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Many files with power cycle test ---"
scripts/test.py << TEST
lfs2_format(&lfs2, &cfg) => 0;
TEST
scripts/test.py << TEST
// Create 300 files of 7 bytes
lfs2_mount(&lfs2, &cfg) => 0;
for (unsigned i = 0; i < 300; i++) {
sprintf(path, "file_%03d", i);
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_EXCL) => 0;
lfs2_size_t size = 7;
uint8_t wbuffer[1024];
uint8_t rbuffer[1024];
snprintf((char*)wbuffer, size, "Hi %03d", i);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
memcmp(wbuffer, rbuffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
TEST
scripts/results.py

486
tests/test_files.toml Normal file
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@@ -0,0 +1,486 @@
[[case]] # simple file test
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "hello",
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_EXCL) => 0;
size = strlen("Hello World!")+1;
strcpy((char*)buffer, "Hello World!");
lfs2_file_write(&lfs2, &file, buffer, size) => size;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "hello", LFS2_O_RDONLY) => 0;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
assert(strcmp((char*)buffer, "Hello World!") == 0);
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # larger files
define.SIZE = [32, 8192, 262144, 0, 7, 8193]
define.CHUNKSIZE = [31, 16, 33, 1, 1023]
code = '''
lfs2_format(&lfs2, &cfg) => 0;
// write
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "avacado",
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_EXCL) => 0;
srand(1);
for (lfs2_size_t i = 0; i < SIZE; i += CHUNKSIZE) {
lfs2_size_t chunk = lfs2_min(CHUNKSIZE, SIZE-i);
for (lfs2_size_t b = 0; b < chunk; b++) {
buffer[b] = rand() & 0xff;
}
lfs2_file_write(&lfs2, &file, buffer, chunk) => chunk;
}
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
// read
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "avacado", LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => SIZE;
srand(1);
for (lfs2_size_t i = 0; i < SIZE; i += CHUNKSIZE) {
lfs2_size_t chunk = lfs2_min(CHUNKSIZE, SIZE-i);
lfs2_file_read(&lfs2, &file, buffer, chunk) => chunk;
for (lfs2_size_t b = 0; b < chunk; b++) {
assert(buffer[b] == (rand() & 0xff));
}
}
lfs2_file_read(&lfs2, &file, buffer, CHUNKSIZE) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # rewriting files
define.SIZE1 = [32, 8192, 131072, 0, 7, 8193]
define.SIZE2 = [32, 8192, 131072, 0, 7, 8193]
define.CHUNKSIZE = [31, 16, 1]
code = '''
lfs2_format(&lfs2, &cfg) => 0;
// write
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "avacado",
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_EXCL) => 0;
srand(1);
for (lfs2_size_t i = 0; i < SIZE1; i += CHUNKSIZE) {
lfs2_size_t chunk = lfs2_min(CHUNKSIZE, SIZE1-i);
for (lfs2_size_t b = 0; b < chunk; b++) {
buffer[b] = rand() & 0xff;
}
lfs2_file_write(&lfs2, &file, buffer, chunk) => chunk;
}
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
// read
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "avacado", LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => SIZE1;
srand(1);
for (lfs2_size_t i = 0; i < SIZE1; i += CHUNKSIZE) {
lfs2_size_t chunk = lfs2_min(CHUNKSIZE, SIZE1-i);
lfs2_file_read(&lfs2, &file, buffer, chunk) => chunk;
for (lfs2_size_t b = 0; b < chunk; b++) {
assert(buffer[b] == (rand() & 0xff));
}
}
lfs2_file_read(&lfs2, &file, buffer, CHUNKSIZE) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
// rewrite
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "avacado", LFS2_O_WRONLY) => 0;
srand(2);
for (lfs2_size_t i = 0; i < SIZE2; i += CHUNKSIZE) {
lfs2_size_t chunk = lfs2_min(CHUNKSIZE, SIZE2-i);
for (lfs2_size_t b = 0; b < chunk; b++) {
buffer[b] = rand() & 0xff;
}
lfs2_file_write(&lfs2, &file, buffer, chunk) => chunk;
}
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
// read
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "avacado", LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => lfs2_max(SIZE1, SIZE2);
srand(2);
for (lfs2_size_t i = 0; i < SIZE2; i += CHUNKSIZE) {
lfs2_size_t chunk = lfs2_min(CHUNKSIZE, SIZE2-i);
lfs2_file_read(&lfs2, &file, buffer, chunk) => chunk;
for (lfs2_size_t b = 0; b < chunk; b++) {
assert(buffer[b] == (rand() & 0xff));
}
}
if (SIZE1 > SIZE2) {
srand(1);
for (lfs2_size_t b = 0; b < SIZE2; b++) {
rand();
}
for (lfs2_size_t i = SIZE2; i < SIZE1; i += CHUNKSIZE) {
lfs2_size_t chunk = lfs2_min(CHUNKSIZE, SIZE1-i);
lfs2_file_read(&lfs2, &file, buffer, chunk) => chunk;
for (lfs2_size_t b = 0; b < chunk; b++) {
assert(buffer[b] == (rand() & 0xff));
}
}
}
lfs2_file_read(&lfs2, &file, buffer, CHUNKSIZE) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # appending files
define.SIZE1 = [32, 8192, 131072, 0, 7, 8193]
define.SIZE2 = [32, 8192, 131072, 0, 7, 8193]
define.CHUNKSIZE = [31, 16, 1]
code = '''
lfs2_format(&lfs2, &cfg) => 0;
// write
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "avacado",
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_EXCL) => 0;
srand(1);
for (lfs2_size_t i = 0; i < SIZE1; i += CHUNKSIZE) {
lfs2_size_t chunk = lfs2_min(CHUNKSIZE, SIZE1-i);
for (lfs2_size_t b = 0; b < chunk; b++) {
buffer[b] = rand() & 0xff;
}
lfs2_file_write(&lfs2, &file, buffer, chunk) => chunk;
}
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
// read
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "avacado", LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => SIZE1;
srand(1);
for (lfs2_size_t i = 0; i < SIZE1; i += CHUNKSIZE) {
lfs2_size_t chunk = lfs2_min(CHUNKSIZE, SIZE1-i);
lfs2_file_read(&lfs2, &file, buffer, chunk) => chunk;
for (lfs2_size_t b = 0; b < chunk; b++) {
assert(buffer[b] == (rand() & 0xff));
}
}
lfs2_file_read(&lfs2, &file, buffer, CHUNKSIZE) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
// append
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "avacado", LFS2_O_WRONLY | LFS2_O_APPEND) => 0;
srand(2);
for (lfs2_size_t i = 0; i < SIZE2; i += CHUNKSIZE) {
lfs2_size_t chunk = lfs2_min(CHUNKSIZE, SIZE2-i);
for (lfs2_size_t b = 0; b < chunk; b++) {
buffer[b] = rand() & 0xff;
}
lfs2_file_write(&lfs2, &file, buffer, chunk) => chunk;
}
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
// read
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "avacado", LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => SIZE1 + SIZE2;
srand(1);
for (lfs2_size_t i = 0; i < SIZE1; i += CHUNKSIZE) {
lfs2_size_t chunk = lfs2_min(CHUNKSIZE, SIZE1-i);
lfs2_file_read(&lfs2, &file, buffer, chunk) => chunk;
for (lfs2_size_t b = 0; b < chunk; b++) {
assert(buffer[b] == (rand() & 0xff));
}
}
srand(2);
for (lfs2_size_t i = 0; i < SIZE2; i += CHUNKSIZE) {
lfs2_size_t chunk = lfs2_min(CHUNKSIZE, SIZE2-i);
lfs2_file_read(&lfs2, &file, buffer, chunk) => chunk;
for (lfs2_size_t b = 0; b < chunk; b++) {
assert(buffer[b] == (rand() & 0xff));
}
}
lfs2_file_read(&lfs2, &file, buffer, CHUNKSIZE) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # truncating files
define.SIZE1 = [32, 8192, 131072, 0, 7, 8193]
define.SIZE2 = [32, 8192, 131072, 0, 7, 8193]
define.CHUNKSIZE = [31, 16, 1]
code = '''
lfs2_format(&lfs2, &cfg) => 0;
// write
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "avacado",
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_EXCL) => 0;
srand(1);
for (lfs2_size_t i = 0; i < SIZE1; i += CHUNKSIZE) {
lfs2_size_t chunk = lfs2_min(CHUNKSIZE, SIZE1-i);
for (lfs2_size_t b = 0; b < chunk; b++) {
buffer[b] = rand() & 0xff;
}
lfs2_file_write(&lfs2, &file, buffer, chunk) => chunk;
}
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
// read
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "avacado", LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => SIZE1;
srand(1);
for (lfs2_size_t i = 0; i < SIZE1; i += CHUNKSIZE) {
lfs2_size_t chunk = lfs2_min(CHUNKSIZE, SIZE1-i);
lfs2_file_read(&lfs2, &file, buffer, chunk) => chunk;
for (lfs2_size_t b = 0; b < chunk; b++) {
assert(buffer[b] == (rand() & 0xff));
}
}
lfs2_file_read(&lfs2, &file, buffer, CHUNKSIZE) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
// truncate
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "avacado", LFS2_O_WRONLY | LFS2_O_TRUNC) => 0;
srand(2);
for (lfs2_size_t i = 0; i < SIZE2; i += CHUNKSIZE) {
lfs2_size_t chunk = lfs2_min(CHUNKSIZE, SIZE2-i);
for (lfs2_size_t b = 0; b < chunk; b++) {
buffer[b] = rand() & 0xff;
}
lfs2_file_write(&lfs2, &file, buffer, chunk) => chunk;
}
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
// read
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "avacado", LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => SIZE2;
srand(2);
for (lfs2_size_t i = 0; i < SIZE2; i += CHUNKSIZE) {
lfs2_size_t chunk = lfs2_min(CHUNKSIZE, SIZE2-i);
lfs2_file_read(&lfs2, &file, buffer, chunk) => chunk;
for (lfs2_size_t b = 0; b < chunk; b++) {
assert(buffer[b] == (rand() & 0xff));
}
}
lfs2_file_read(&lfs2, &file, buffer, CHUNKSIZE) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # reentrant file writing
define.SIZE = [32, 0, 7, 2049]
define.CHUNKSIZE = [31, 16, 65]
reentrant = true
code = '''
err = lfs2_mount(&lfs2, &cfg);
if (err) {
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
}
err = lfs2_file_open(&lfs2, &file, "avacado", LFS2_O_RDONLY);
assert(err == LFS2_ERR_NOENT || err == 0);
if (err == 0) {
// can only be 0 (new file) or full size
size = lfs2_file_size(&lfs2, &file);
assert(size == 0 || size == SIZE);
lfs2_file_close(&lfs2, &file) => 0;
}
// write
lfs2_file_open(&lfs2, &file, "avacado", LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
srand(1);
for (lfs2_size_t i = 0; i < SIZE; i += CHUNKSIZE) {
lfs2_size_t chunk = lfs2_min(CHUNKSIZE, SIZE-i);
for (lfs2_size_t b = 0; b < chunk; b++) {
buffer[b] = rand() & 0xff;
}
lfs2_file_write(&lfs2, &file, buffer, chunk) => chunk;
}
lfs2_file_close(&lfs2, &file) => 0;
// read
lfs2_file_open(&lfs2, &file, "avacado", LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => SIZE;
srand(1);
for (lfs2_size_t i = 0; i < SIZE; i += CHUNKSIZE) {
lfs2_size_t chunk = lfs2_min(CHUNKSIZE, SIZE-i);
lfs2_file_read(&lfs2, &file, buffer, chunk) => chunk;
for (lfs2_size_t b = 0; b < chunk; b++) {
assert(buffer[b] == (rand() & 0xff));
}
}
lfs2_file_read(&lfs2, &file, buffer, CHUNKSIZE) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # reentrant file writing with syncs
define = [
# append (O(n))
{MODE='LFS2_O_APPEND', SIZE=[32, 0, 7, 2049], CHUNKSIZE=[31, 16, 65]},
# truncate (O(n^2))
{MODE='LFS2_O_TRUNC', SIZE=[32, 0, 7, 200], CHUNKSIZE=[31, 16, 65]},
# rewrite (O(n^2))
{MODE=0, SIZE=[32, 0, 7, 200], CHUNKSIZE=[31, 16, 65]},
]
reentrant = true
code = '''
err = lfs2_mount(&lfs2, &cfg);
if (err) {
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
}
err = lfs2_file_open(&lfs2, &file, "avacado", LFS2_O_RDONLY);
assert(err == LFS2_ERR_NOENT || err == 0);
if (err == 0) {
// with syncs we could be any size, but it at least must be valid data
size = lfs2_file_size(&lfs2, &file);
assert(size <= SIZE);
srand(1);
for (lfs2_size_t i = 0; i < size; i += CHUNKSIZE) {
lfs2_size_t chunk = lfs2_min(CHUNKSIZE, size-i);
lfs2_file_read(&lfs2, &file, buffer, chunk) => chunk;
for (lfs2_size_t b = 0; b < chunk; b++) {
assert(buffer[b] == (rand() & 0xff));
}
}
lfs2_file_close(&lfs2, &file) => 0;
}
// write
lfs2_file_open(&lfs2, &file, "avacado",
LFS2_O_WRONLY | LFS2_O_CREAT | MODE) => 0;
size = lfs2_file_size(&lfs2, &file);
assert(size <= SIZE);
srand(1);
lfs2_size_t skip = (MODE == LFS2_O_APPEND) ? size : 0;
for (lfs2_size_t b = 0; b < skip; b++) {
rand();
}
for (lfs2_size_t i = skip; i < SIZE; i += CHUNKSIZE) {
lfs2_size_t chunk = lfs2_min(CHUNKSIZE, SIZE-i);
for (lfs2_size_t b = 0; b < chunk; b++) {
buffer[b] = rand() & 0xff;
}
lfs2_file_write(&lfs2, &file, buffer, chunk) => chunk;
lfs2_file_sync(&lfs2, &file) => 0;
}
lfs2_file_close(&lfs2, &file) => 0;
// read
lfs2_file_open(&lfs2, &file, "avacado", LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => SIZE;
srand(1);
for (lfs2_size_t i = 0; i < SIZE; i += CHUNKSIZE) {
lfs2_size_t chunk = lfs2_min(CHUNKSIZE, SIZE-i);
lfs2_file_read(&lfs2, &file, buffer, chunk) => chunk;
for (lfs2_size_t b = 0; b < chunk; b++) {
assert(buffer[b] == (rand() & 0xff));
}
}
lfs2_file_read(&lfs2, &file, buffer, CHUNKSIZE) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # many files
define.N = 300
code = '''
lfs2_format(&lfs2, &cfg) => 0;
// create N files of 7 bytes
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 0; i < N; i++) {
sprintf(path, "file_%03d", i);
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_EXCL) => 0;
char wbuffer[1024];
size = 7;
snprintf(wbuffer, size, "Hi %03d", i);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_close(&lfs2, &file) => 0;
char rbuffer[1024];
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
assert(strcmp(rbuffer, wbuffer) == 0);
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # many files with power cycle
define.N = 300
code = '''
lfs2_format(&lfs2, &cfg) => 0;
// create N files of 7 bytes
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 0; i < N; i++) {
sprintf(path, "file_%03d", i);
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_EXCL) => 0;
char wbuffer[1024];
size = 7;
snprintf(wbuffer, size, "Hi %03d", i);
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
char rbuffer[1024];
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
assert(strcmp(rbuffer, wbuffer) == 0);
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # many files with power loss
define.N = 300
reentrant = true
code = '''
err = lfs2_mount(&lfs2, &cfg);
if (err) {
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
}
// create N files of 7 bytes
for (int i = 0; i < N; i++) {
sprintf(path, "file_%03d", i);
err = lfs2_file_open(&lfs2, &file, path, LFS2_O_WRONLY | LFS2_O_CREAT);
char wbuffer[1024];
size = 7;
snprintf(wbuffer, size, "Hi %03d", i);
if ((lfs2_size_t)lfs2_file_size(&lfs2, &file) != size) {
lfs2_file_write(&lfs2, &file, wbuffer, size) => size;
}
lfs2_file_close(&lfs2, &file) => 0;
char rbuffer[1024];
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_read(&lfs2, &file, rbuffer, size) => size;
assert(strcmp(rbuffer, wbuffer) == 0);
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
'''

51
tests/test_format.sh
View File

@@ -1,51 +0,0 @@
#!/bin/bash
set -eu
export TEST_FILE=$0
trap 'export TEST_LINE=$LINENO' DEBUG
echo "=== Formatting tests ==="
rm -rf blocks
echo "--- Basic formatting ---"
scripts/test.py << TEST
lfs2_format(&lfs2, &cfg) => 0;
TEST
echo "--- Basic mounting ---"
scripts/test.py << TEST
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Invalid superblocks ---"
ln -f -s /dev/zero blocks/0
ln -f -s /dev/zero blocks/1
scripts/test.py << TEST
lfs2_format(&lfs2, &cfg) => LFS2_ERR_NOSPC;
TEST
rm blocks/0 blocks/1
echo "--- Invalid mount ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => LFS2_ERR_CORRUPT;
TEST
echo "--- Expanding superblock ---"
scripts/test.py << TEST
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 0; i < 100; i++) {
lfs2_mkdir(&lfs2, "dummy") => 0;
lfs2_remove(&lfs2, "dummy") => 0;
}
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "dummy") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/results.py

190
tests/test_interspersed.sh
View File

@@ -1,190 +0,0 @@
#!/bin/bash
set -eu
export TEST_FILE=$0
trap 'export TEST_LINE=$LINENO' DEBUG
echo "=== Interspersed tests ==="
rm -rf blocks
scripts/test.py << TEST
lfs2_format(&lfs2, &cfg) => 0;
TEST
echo "--- Interspersed file test ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_t files[4];
lfs2_file_open(&lfs2, &files[0], "a", LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
lfs2_file_open(&lfs2, &files[1], "b", LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
lfs2_file_open(&lfs2, &files[2], "c", LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
lfs2_file_open(&lfs2, &files[3], "d", LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
for (int i = 0; i < 10; i++) {
lfs2_file_write(&lfs2, &files[0], (const void*)"a", 1) => 1;
lfs2_file_write(&lfs2, &files[1], (const void*)"b", 1) => 1;
lfs2_file_write(&lfs2, &files[2], (const void*)"c", 1) => 1;
lfs2_file_write(&lfs2, &files[3], (const void*)"d", 1) => 1;
}
lfs2_file_close(&lfs2, &files[0]);
lfs2_file_close(&lfs2, &files[1]);
lfs2_file_close(&lfs2, &files[2]);
lfs2_file_close(&lfs2, &files[3]);
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "a") => 0;
info.type => LFS2_TYPE_REG;
info.size => 10;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "b") => 0;
info.type => LFS2_TYPE_REG;
info.size => 10;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "c") => 0;
info.type => LFS2_TYPE_REG;
info.size => 10;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "d") => 0;
info.type => LFS2_TYPE_REG;
info.size => 10;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_file_open(&lfs2, &files[0], "a", LFS2_O_RDONLY) => 0;
lfs2_file_open(&lfs2, &files[1], "b", LFS2_O_RDONLY) => 0;
lfs2_file_open(&lfs2, &files[2], "c", LFS2_O_RDONLY) => 0;
lfs2_file_open(&lfs2, &files[3], "d", LFS2_O_RDONLY) => 0;
for (int i = 0; i < 10; i++) {
lfs2_file_read(&lfs2, &files[0], buffer, 1) => 1;
buffer[0] => 'a';
lfs2_file_read(&lfs2, &files[1], buffer, 1) => 1;
buffer[0] => 'b';
lfs2_file_read(&lfs2, &files[2], buffer, 1) => 1;
buffer[0] => 'c';
lfs2_file_read(&lfs2, &files[3], buffer, 1) => 1;
buffer[0] => 'd';
}
lfs2_file_close(&lfs2, &files[0]);
lfs2_file_close(&lfs2, &files[1]);
lfs2_file_close(&lfs2, &files[2]);
lfs2_file_close(&lfs2, &files[3]);
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Interspersed remove file test ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_t files[4];
lfs2_file_open(&lfs2, &files[0], "e", LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
for (int i = 0; i < 5; i++) {
lfs2_file_write(&lfs2, &files[0], (const void*)"e", 1) => 1;
}
lfs2_remove(&lfs2, "a") => 0;
lfs2_remove(&lfs2, "b") => 0;
lfs2_remove(&lfs2, "c") => 0;
lfs2_remove(&lfs2, "d") => 0;
for (int i = 0; i < 5; i++) {
lfs2_file_write(&lfs2, &files[0], (const void*)"e", 1) => 1;
}
lfs2_file_close(&lfs2, &files[0]);
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "e") => 0;
info.type => LFS2_TYPE_REG;
info.size => 10;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_file_open(&lfs2, &files[0], "e", LFS2_O_RDONLY) => 0;
for (int i = 0; i < 10; i++) {
lfs2_file_read(&lfs2, &files[0], buffer, 1) => 1;
buffer[0] => 'e';
}
lfs2_file_close(&lfs2, &files[0]);
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Remove inconveniently test ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_t files[4];
lfs2_file_open(&lfs2, &files[0], "e", LFS2_O_WRONLY | LFS2_O_TRUNC) => 0;
lfs2_file_open(&lfs2, &files[1], "f", LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
lfs2_file_open(&lfs2, &files[2], "g", LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
for (int i = 0; i < 5; i++) {
lfs2_file_write(&lfs2, &files[0], (const void*)"e", 1) => 1;
lfs2_file_write(&lfs2, &files[1], (const void*)"f", 1) => 1;
lfs2_file_write(&lfs2, &files[2], (const void*)"g", 1) => 1;
}
lfs2_remove(&lfs2, "f") => 0;
for (int i = 0; i < 5; i++) {
lfs2_file_write(&lfs2, &files[0], (const void*)"e", 1) => 1;
lfs2_file_write(&lfs2, &files[1], (const void*)"f", 1) => 1;
lfs2_file_write(&lfs2, &files[2], (const void*)"g", 1) => 1;
}
lfs2_file_close(&lfs2, &files[0]);
lfs2_file_close(&lfs2, &files[1]);
lfs2_file_close(&lfs2, &files[2]);
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
info.type => LFS2_TYPE_DIR;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "e") => 0;
info.type => LFS2_TYPE_REG;
info.size => 10;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "g") => 0;
info.type => LFS2_TYPE_REG;
info.size => 10;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_file_open(&lfs2, &files[0], "e", LFS2_O_RDONLY) => 0;
lfs2_file_open(&lfs2, &files[1], "g", LFS2_O_RDONLY) => 0;
for (int i = 0; i < 10; i++) {
lfs2_file_read(&lfs2, &files[0], buffer, 1) => 1;
buffer[0] => 'e';
lfs2_file_read(&lfs2, &files[1], buffer, 1) => 1;
buffer[0] => 'g';
}
lfs2_file_close(&lfs2, &files[0]);
lfs2_file_close(&lfs2, &files[1]);
lfs2_unmount(&lfs2) => 0;
TEST
scripts/results.py

244
tests/test_interspersed.toml Normal file
View File

@@ -0,0 +1,244 @@
[[case]] # interspersed file test
define.SIZE = [10, 100]
define.FILES = [4, 10, 26]
code = '''
lfs2_file_t files[FILES];
const char alphas[] = "abcdefghijklmnopqrstuvwxyz";
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (int j = 0; j < FILES; j++) {
sprintf(path, "%c", alphas[j]);
lfs2_file_open(&lfs2, &files[j], path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_EXCL) => 0;
}
for (int i = 0; i < SIZE; i++) {
for (int j = 0; j < FILES; j++) {
lfs2_file_write(&lfs2, &files[j], &alphas[j], 1) => 1;
}
}
for (int j = 0; j < FILES; j++) {
lfs2_file_close(&lfs2, &files[j]);
}
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, ".") == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, "..") == 0);
assert(info.type == LFS2_TYPE_DIR);
for (int j = 0; j < FILES; j++) {
sprintf(path, "%c", alphas[j]);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, path) == 0);
assert(info.type == LFS2_TYPE_REG);
assert(info.size == SIZE);
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
for (int j = 0; j < FILES; j++) {
sprintf(path, "%c", alphas[j]);
lfs2_file_open(&lfs2, &files[j], path, LFS2_O_RDONLY) => 0;
}
for (int i = 0; i < 10; i++) {
for (int j = 0; j < FILES; j++) {
lfs2_file_read(&lfs2, &files[j], buffer, 1) => 1;
assert(buffer[0] == alphas[j]);
}
}
for (int j = 0; j < FILES; j++) {
lfs2_file_close(&lfs2, &files[j]);
}
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # interspersed remove file test
define.SIZE = [10, 100]
define.FILES = [4, 10, 26]
code = '''
const char alphas[] = "abcdefghijklmnopqrstuvwxyz";
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (int j = 0; j < FILES; j++) {
sprintf(path, "%c", alphas[j]);
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_EXCL) => 0;
for (int i = 0; i < SIZE; i++) {
lfs2_file_write(&lfs2, &file, &alphas[j], 1) => 1;
}
lfs2_file_close(&lfs2, &file);
}
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "zzz", LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
for (int j = 0; j < FILES; j++) {
lfs2_file_write(&lfs2, &file, (const void*)"~", 1) => 1;
lfs2_file_sync(&lfs2, &file) => 0;
sprintf(path, "%c", alphas[j]);
lfs2_remove(&lfs2, path) => 0;
}
lfs2_file_close(&lfs2, &file);
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, ".") == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, "..") == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, "zzz") == 0);
assert(info.type == LFS2_TYPE_REG);
assert(info.size == FILES);
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_file_open(&lfs2, &file, "zzz", LFS2_O_RDONLY) => 0;
for (int i = 0; i < FILES; i++) {
lfs2_file_read(&lfs2, &file, buffer, 1) => 1;
assert(buffer[0] == '~');
}
lfs2_file_close(&lfs2, &file);
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # remove inconveniently test
define.SIZE = [10, 100]
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_t files[3];
lfs2_file_open(&lfs2, &files[0], "e", LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
lfs2_file_open(&lfs2, &files[1], "f", LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
lfs2_file_open(&lfs2, &files[2], "g", LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
for (int i = 0; i < SIZE/2; i++) {
lfs2_file_write(&lfs2, &files[0], (const void*)"e", 1) => 1;
lfs2_file_write(&lfs2, &files[1], (const void*)"f", 1) => 1;
lfs2_file_write(&lfs2, &files[2], (const void*)"g", 1) => 1;
}
lfs2_remove(&lfs2, "f") => 0;
for (int i = 0; i < SIZE/2; i++) {
lfs2_file_write(&lfs2, &files[0], (const void*)"e", 1) => 1;
lfs2_file_write(&lfs2, &files[1], (const void*)"f", 1) => 1;
lfs2_file_write(&lfs2, &files[2], (const void*)"g", 1) => 1;
}
lfs2_file_close(&lfs2, &files[0]);
lfs2_file_close(&lfs2, &files[1]);
lfs2_file_close(&lfs2, &files[2]);
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, ".") == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, "..") == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, "e") == 0);
assert(info.type == LFS2_TYPE_REG);
assert(info.size == SIZE);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, "g") == 0);
assert(info.type == LFS2_TYPE_REG);
assert(info.size == SIZE);
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_file_open(&lfs2, &files[0], "e", LFS2_O_RDONLY) => 0;
lfs2_file_open(&lfs2, &files[1], "g", LFS2_O_RDONLY) => 0;
for (int i = 0; i < SIZE; i++) {
lfs2_file_read(&lfs2, &files[0], buffer, 1) => 1;
assert(buffer[0] == 'e');
lfs2_file_read(&lfs2, &files[1], buffer, 1) => 1;
assert(buffer[0] == 'g');
}
lfs2_file_close(&lfs2, &files[0]);
lfs2_file_close(&lfs2, &files[1]);
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # reentrant interspersed file test
define.SIZE = [10, 100]
define.FILES = [4, 10, 26]
reentrant = true
code = '''
lfs2_file_t files[FILES];
const char alphas[] = "abcdefghijklmnopqrstuvwxyz";
err = lfs2_mount(&lfs2, &cfg);
if (err) {
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
}
for (int j = 0; j < FILES; j++) {
sprintf(path, "%c", alphas[j]);
lfs2_file_open(&lfs2, &files[j], path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_APPEND) => 0;
}
for (int i = 0; i < SIZE; i++) {
for (int j = 0; j < FILES; j++) {
size = lfs2_file_size(&lfs2, &files[j]);
assert((int)size >= 0);
if ((int)size <= i) {
lfs2_file_write(&lfs2, &files[j], &alphas[j], 1) => 1;
lfs2_file_sync(&lfs2, &files[j]) => 0;
}
}
}
for (int j = 0; j < FILES; j++) {
lfs2_file_close(&lfs2, &files[j]);
}
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, ".") == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, "..") == 0);
assert(info.type == LFS2_TYPE_DIR);
for (int j = 0; j < FILES; j++) {
sprintf(path, "%c", alphas[j]);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
assert(strcmp(info.name, path) == 0);
assert(info.type == LFS2_TYPE_REG);
assert(info.size == SIZE);
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
for (int j = 0; j < FILES; j++) {
sprintf(path, "%c", alphas[j]);
lfs2_file_open(&lfs2, &files[j], path, LFS2_O_RDONLY) => 0;
}
for (int i = 0; i < 10; i++) {
for (int j = 0; j < FILES; j++) {
lfs2_file_read(&lfs2, &files[j], buffer, 1) => 1;
assert(buffer[0] == alphas[j]);
}
}
for (int j = 0; j < FILES; j++) {
lfs2_file_close(&lfs2, &files[j]);
}
lfs2_unmount(&lfs2) => 0;
'''

333
tests/test_move.sh
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@@ -1,333 +0,0 @@
#!/bin/bash
set -eu
export TEST_FILE=$0
trap 'export TEST_LINE=$LINENO' DEBUG
echo "=== Move tests ==="
rm -rf blocks
scripts/test.py << TEST
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "a") => 0;
lfs2_mkdir(&lfs2, "b") => 0;
lfs2_mkdir(&lfs2, "c") => 0;
lfs2_mkdir(&lfs2, "d") => 0;
lfs2_mkdir(&lfs2, "a/hi") => 0;
lfs2_mkdir(&lfs2, "a/hi/hola") => 0;
lfs2_mkdir(&lfs2, "a/hi/bonjour") => 0;
lfs2_mkdir(&lfs2, "a/hi/ohayo") => 0;
lfs2_file_open(&lfs2, &file, "a/hello", LFS2_O_CREAT | LFS2_O_WRONLY) => 0;
lfs2_file_write(&lfs2, &file, "hola\n", 5) => 5;
lfs2_file_write(&lfs2, &file, "bonjour\n", 8) => 8;
lfs2_file_write(&lfs2, &file, "ohayo\n", 6) => 6;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Move file ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_rename(&lfs2, "a/hello", "b/hello") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "a") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "hi") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_dir_open(&lfs2, &dir, "b") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "hello") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Move file corrupt source ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_rename(&lfs2, "b/hello", "c/hello") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/corrupt.py -n 1
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "b") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_dir_open(&lfs2, &dir, "c") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "hello") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Move file corrupt source and dest ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_rename(&lfs2, "c/hello", "d/hello") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/corrupt.py -n 2
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "c") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "hello") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_dir_open(&lfs2, &dir, "d") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Move file after corrupt ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_rename(&lfs2, "c/hello", "d/hello") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "c") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_dir_open(&lfs2, &dir, "d") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "hello") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Move dir ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_rename(&lfs2, "a/hi", "b/hi") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "a") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_dir_open(&lfs2, &dir, "b") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "hi") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Move dir corrupt source ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_rename(&lfs2, "b/hi", "c/hi") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/corrupt.py -n 1
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "b") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_dir_open(&lfs2, &dir, "c") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "hi") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Move dir corrupt source and dest ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_rename(&lfs2, "c/hi", "d/hi") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/corrupt.py -n 2
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "c") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "hi") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_dir_open(&lfs2, &dir, "d") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "hello") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Move dir after corrupt ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_rename(&lfs2, "c/hi", "d/hi") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "c") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_dir_open(&lfs2, &dir, "d") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "hello") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "hi") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Move check ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "a/hi") => LFS2_ERR_NOENT;
lfs2_dir_open(&lfs2, &dir, "b/hi") => LFS2_ERR_NOENT;
lfs2_dir_open(&lfs2, &dir, "c/hi") => LFS2_ERR_NOENT;
lfs2_dir_open(&lfs2, &dir, "d/hi") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "bonjour") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "hola") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "ohayo") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_dir_open(&lfs2, &dir, "a/hello") => LFS2_ERR_NOENT;
lfs2_dir_open(&lfs2, &dir, "b/hello") => LFS2_ERR_NOENT;
lfs2_dir_open(&lfs2, &dir, "c/hello") => LFS2_ERR_NOENT;
lfs2_file_open(&lfs2, &file, "d/hello", LFS2_O_RDONLY) => 0;
lfs2_file_read(&lfs2, &file, buffer, 5) => 5;
memcmp(buffer, "hola\n", 5) => 0;
lfs2_file_read(&lfs2, &file, buffer, 8) => 8;
memcmp(buffer, "bonjour\n", 8) => 0;
lfs2_file_read(&lfs2, &file, buffer, 6) => 6;
memcmp(buffer, "ohayo\n", 6) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Move state stealing ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_remove(&lfs2, "b") => 0;
lfs2_remove(&lfs2, "c") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "a/hi") => LFS2_ERR_NOENT;
lfs2_dir_open(&lfs2, &dir, "b") => LFS2_ERR_NOENT;
lfs2_dir_open(&lfs2, &dir, "c") => LFS2_ERR_NOENT;
lfs2_dir_open(&lfs2, &dir, "d/hi") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "bonjour") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "hola") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "ohayo") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_dir_open(&lfs2, &dir, "a/hello") => LFS2_ERR_NOENT;
lfs2_dir_open(&lfs2, &dir, "b") => LFS2_ERR_NOENT;
lfs2_dir_open(&lfs2, &dir, "c") => LFS2_ERR_NOENT;
lfs2_file_open(&lfs2, &file, "d/hello", LFS2_O_RDONLY) => 0;
lfs2_file_read(&lfs2, &file, buffer, 5) => 5;
memcmp(buffer, "hola\n", 5) => 0;
lfs2_file_read(&lfs2, &file, buffer, 8) => 8;
memcmp(buffer, "bonjour\n", 8) => 0;
lfs2_file_read(&lfs2, &file, buffer, 6) => 6;
memcmp(buffer, "ohayo\n", 6) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/results.py

1815
tests/test_move.toml Normal file
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File diff suppressed because it is too large Load Diff

46
tests/test_orphan.sh
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@@ -1,46 +0,0 @@
#!/bin/bash
set -eu
export TEST_FILE=$0
trap 'export TEST_LINE=$LINENO' DEBUG
echo "=== Orphan tests ==="
rm -rf blocks
scripts/test.py << TEST
lfs2_format(&lfs2, &cfg) => 0;
TEST
echo "--- Orphan test ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "parent") => 0;
lfs2_mkdir(&lfs2, "parent/orphan") => 0;
lfs2_mkdir(&lfs2, "parent/child") => 0;
lfs2_remove(&lfs2, "parent/orphan") => 0;
TEST
# corrupt most recent commit, this should be the update to the previous
# linked-list entry and should orphan the child
scripts/corrupt.py
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_stat(&lfs2, "parent/orphan", &info) => LFS2_ERR_NOENT;
lfs2_ssize_t before = lfs2_fs_size(&lfs2);
before => 8;
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_stat(&lfs2, "parent/orphan", &info) => LFS2_ERR_NOENT;
lfs2_ssize_t orphaned = lfs2_fs_size(&lfs2);
orphaned => 8;
lfs2_mkdir(&lfs2, "parent/otherchild") => 0;
lfs2_stat(&lfs2, "parent/orphan", &info) => LFS2_ERR_NOENT;
lfs2_ssize_t deorphaned = lfs2_fs_size(&lfs2);
deorphaned => 8;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/results.py

120
tests/test_orphans.toml Normal file
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[[case]] # orphan test
in = "lfs2.c"
if = 'LFS2_PROG_SIZE <= 0x3fe' # only works with one crc per commit
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "parent") => 0;
lfs2_mkdir(&lfs2, "parent/orphan") => 0;
lfs2_mkdir(&lfs2, "parent/child") => 0;
lfs2_remove(&lfs2, "parent/orphan") => 0;
lfs2_unmount(&lfs2) => 0;
// corrupt the child's most recent commit, this should be the update
// to the linked-list entry, which should orphan the orphan. Note this
// makes a lot of assumptions about the remove operation.
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "parent/child") => 0;
lfs2_block_t block = dir.m.pair[0];
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
uint8_t bbuffer[LFS2_BLOCK_SIZE];
cfg.read(&cfg, block, 0, bbuffer, LFS2_BLOCK_SIZE) => 0;
int off = LFS2_BLOCK_SIZE-1;
while (off >= 0 && bbuffer[off] == LFS2_ERASE_VALUE) {
off -= 1;
}
memset(&bbuffer[off-3], LFS2_BLOCK_SIZE, 3);
cfg.erase(&cfg, block) => 0;
cfg.prog(&cfg, block, 0, bbuffer, LFS2_BLOCK_SIZE) => 0;
cfg.sync(&cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_stat(&lfs2, "parent/orphan", &info) => LFS2_ERR_NOENT;
lfs2_stat(&lfs2, "parent/child", &info) => 0;
lfs2_fs_size(&lfs2) => 8;
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_stat(&lfs2, "parent/orphan", &info) => LFS2_ERR_NOENT;
lfs2_stat(&lfs2, "parent/child", &info) => 0;
lfs2_fs_size(&lfs2) => 8;
// this mkdir should both create a dir and deorphan, so size
// should be unchanged
lfs2_mkdir(&lfs2, "parent/otherchild") => 0;
lfs2_stat(&lfs2, "parent/orphan", &info) => LFS2_ERR_NOENT;
lfs2_stat(&lfs2, "parent/child", &info) => 0;
lfs2_stat(&lfs2, "parent/otherchild", &info) => 0;
lfs2_fs_size(&lfs2) => 8;
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_stat(&lfs2, "parent/orphan", &info) => LFS2_ERR_NOENT;
lfs2_stat(&lfs2, "parent/child", &info) => 0;
lfs2_stat(&lfs2, "parent/otherchild", &info) => 0;
lfs2_fs_size(&lfs2) => 8;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # reentrant testing for orphans, basically just spam mkdir/remove
reentrant = true
# TODO fix this case, caused by non-DAG trees
if = '!(DEPTH == 3 && LFS2_CACHE_SIZE != 64)'
define = [
{FILES=6, DEPTH=1, CYCLES=20},
{FILES=26, DEPTH=1, CYCLES=20},
{FILES=3, DEPTH=3, CYCLES=20},
]
code = '''
err = lfs2_mount(&lfs2, &cfg);
if (err) {
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
}
srand(1);
const char alpha[] = "abcdefghijklmnopqrstuvwxyz";
for (int i = 0; i < CYCLES; i++) {
// create random path
char full_path[256];
for (int d = 0; d < DEPTH; d++) {
sprintf(&full_path[2*d], "/%c", alpha[rand() % FILES]);
}
// if it does not exist, we create it, else we destroy
int res = lfs2_stat(&lfs2, full_path, &info);
if (res == LFS2_ERR_NOENT) {
// create each directory in turn, ignore if dir already exists
for (int d = 0; d < DEPTH; d++) {
strcpy(path, full_path);
path[2*d+2] = '\0';
err = lfs2_mkdir(&lfs2, path);
assert(!err || err == LFS2_ERR_EXIST);
}
for (int d = 0; d < DEPTH; d++) {
strcpy(path, full_path);
path[2*d+2] = '\0';
lfs2_stat(&lfs2, path, &info) => 0;
assert(strcmp(info.name, &path[2*d+1]) == 0);
assert(info.type == LFS2_TYPE_DIR);
}
} else {
// is valid dir?
assert(strcmp(info.name, &full_path[2*(DEPTH-1)+1]) == 0);
assert(info.type == LFS2_TYPE_DIR);
// try to delete path in reverse order, ignore if dir is not empty
for (int d = DEPTH-1; d >= 0; d--) {
strcpy(path, full_path);
path[2*d+2] = '\0';
err = lfs2_remove(&lfs2, path);
assert(!err || err == LFS2_ERR_NOTEMPTY);
}
lfs2_stat(&lfs2, full_path, &info) => LFS2_ERR_NOENT;
}
}
lfs2_unmount(&lfs2) => 0;
'''

202
tests/test_paths.sh
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@@ -1,202 +0,0 @@
#!/bin/bash
set -eu
export TEST_FILE=$0
trap 'export TEST_LINE=$LINENO' DEBUG
echo "=== Path tests ==="
rm -rf blocks
scripts/test.py << TEST
lfs2_format(&lfs2, &cfg) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "tea") => 0;
lfs2_mkdir(&lfs2, "coffee") => 0;
lfs2_mkdir(&lfs2, "soda") => 0;
lfs2_mkdir(&lfs2, "tea/hottea") => 0;
lfs2_mkdir(&lfs2, "tea/warmtea") => 0;
lfs2_mkdir(&lfs2, "tea/coldtea") => 0;
lfs2_mkdir(&lfs2, "coffee/hotcoffee") => 0;
lfs2_mkdir(&lfs2, "coffee/warmcoffee") => 0;
lfs2_mkdir(&lfs2, "coffee/coldcoffee") => 0;
lfs2_mkdir(&lfs2, "soda/hotsoda") => 0;
lfs2_mkdir(&lfs2, "soda/warmsoda") => 0;
lfs2_mkdir(&lfs2, "soda/coldsoda") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Root path tests ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_stat(&lfs2, "tea/hottea", &info) => 0;
strcmp(info.name, "hottea") => 0;
lfs2_stat(&lfs2, "/tea/hottea", &info) => 0;
strcmp(info.name, "hottea") => 0;
lfs2_mkdir(&lfs2, "/milk1") => 0;
lfs2_stat(&lfs2, "/milk1", &info) => 0;
strcmp(info.name, "milk1") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Redundant slash path tests ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_stat(&lfs2, "/tea/hottea", &info) => 0;
strcmp(info.name, "hottea") => 0;
lfs2_stat(&lfs2, "//tea//hottea", &info) => 0;
strcmp(info.name, "hottea") => 0;
lfs2_stat(&lfs2, "///tea///hottea", &info) => 0;
strcmp(info.name, "hottea") => 0;
lfs2_mkdir(&lfs2, "///milk2") => 0;
lfs2_stat(&lfs2, "///milk2", &info) => 0;
strcmp(info.name, "milk2") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Dot path tests ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_stat(&lfs2, "./tea/hottea", &info) => 0;
strcmp(info.name, "hottea") => 0;
lfs2_stat(&lfs2, "/./tea/hottea", &info) => 0;
strcmp(info.name, "hottea") => 0;
lfs2_stat(&lfs2, "/././tea/hottea", &info) => 0;
strcmp(info.name, "hottea") => 0;
lfs2_stat(&lfs2, "/./tea/./hottea", &info) => 0;
strcmp(info.name, "hottea") => 0;
lfs2_mkdir(&lfs2, "/./milk3") => 0;
lfs2_stat(&lfs2, "/./milk3", &info) => 0;
strcmp(info.name, "milk3") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Dot dot path tests ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_stat(&lfs2, "coffee/../tea/hottea", &info) => 0;
strcmp(info.name, "hottea") => 0;
lfs2_stat(&lfs2, "tea/coldtea/../hottea", &info) => 0;
strcmp(info.name, "hottea") => 0;
lfs2_stat(&lfs2, "coffee/coldcoffee/../../tea/hottea", &info) => 0;
strcmp(info.name, "hottea") => 0;
lfs2_stat(&lfs2, "coffee/../soda/../tea/hottea", &info) => 0;
strcmp(info.name, "hottea") => 0;
lfs2_mkdir(&lfs2, "coffee/../milk4") => 0;
lfs2_stat(&lfs2, "coffee/../milk4", &info) => 0;
strcmp(info.name, "milk4") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Trailing dot path tests ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_stat(&lfs2, "tea/hottea/", &info) => 0;
strcmp(info.name, "hottea") => 0;
lfs2_stat(&lfs2, "tea/hottea/.", &info) => 0;
strcmp(info.name, "hottea") => 0;
lfs2_stat(&lfs2, "tea/hottea/./.", &info) => 0;
strcmp(info.name, "hottea") => 0;
lfs2_stat(&lfs2, "tea/hottea/..", &info) => 0;
strcmp(info.name, "tea") => 0;
lfs2_stat(&lfs2, "tea/hottea/../.", &info) => 0;
strcmp(info.name, "tea") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Root dot dot path tests ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_stat(&lfs2, "coffee/../../../../../../tea/hottea", &info) => 0;
strcmp(info.name, "hottea") => 0;
lfs2_mkdir(&lfs2, "coffee/../../../../../../milk5") => 0;
lfs2_stat(&lfs2, "coffee/../../../../../../milk5", &info) => 0;
strcmp(info.name, "milk5") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Root tests ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_stat(&lfs2, "/", &info) => 0;
info.type => LFS2_TYPE_DIR;
strcmp(info.name, "/") => 0;
lfs2_mkdir(&lfs2, "/") => LFS2_ERR_EXIST;
lfs2_file_open(&lfs2, &file, "/", LFS2_O_WRONLY | LFS2_O_CREAT)
=> LFS2_ERR_ISDIR;
// more corner cases
lfs2_remove(&lfs2, "") => LFS2_ERR_INVAL;
lfs2_remove(&lfs2, ".") => LFS2_ERR_INVAL;
lfs2_remove(&lfs2, "..") => LFS2_ERR_INVAL;
lfs2_remove(&lfs2, "/") => LFS2_ERR_INVAL;
lfs2_remove(&lfs2, "//") => LFS2_ERR_INVAL;
lfs2_remove(&lfs2, "./") => LFS2_ERR_INVAL;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Sketchy path tests ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "dirt/ground") => LFS2_ERR_NOENT;
lfs2_mkdir(&lfs2, "dirt/ground/earth") => LFS2_ERR_NOENT;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Superblock conflict test ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "littlefs") => 0;
lfs2_remove(&lfs2, "littlefs") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Max path test ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
memset(path, 'w', LFS2_NAME_MAX+1);
path[LFS2_NAME_MAX+2] = '\0';
lfs2_mkdir(&lfs2, path) => LFS2_ERR_NAMETOOLONG;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT) => LFS2_ERR_NAMETOOLONG;
memcpy(path, "coffee/", strlen("coffee/"));
memset(path+strlen("coffee/"), 'w', LFS2_NAME_MAX+1);
path[strlen("coffee/")+LFS2_NAME_MAX+2] = '\0';
lfs2_mkdir(&lfs2, path) => LFS2_ERR_NAMETOOLONG;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT) => LFS2_ERR_NAMETOOLONG;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Really big path test ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
memset(path, 'w', LFS2_NAME_MAX);
path[LFS2_NAME_MAX] = '\0';
lfs2_mkdir(&lfs2, path) => 0;
lfs2_remove(&lfs2, path) => 0;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_remove(&lfs2, path) => 0;
memcpy(path, "coffee/", strlen("coffee/"));
memset(path+strlen("coffee/"), 'w', LFS2_NAME_MAX);
path[strlen("coffee/")+LFS2_NAME_MAX] = '\0';
lfs2_mkdir(&lfs2, path) => 0;
lfs2_remove(&lfs2, path) => 0;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_remove(&lfs2, path) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/results.py

293
tests/test_paths.toml Normal file
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[[case]] # simple path test
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "tea") => 0;
lfs2_mkdir(&lfs2, "tea/hottea") => 0;
lfs2_mkdir(&lfs2, "tea/warmtea") => 0;
lfs2_mkdir(&lfs2, "tea/coldtea") => 0;
lfs2_stat(&lfs2, "tea/hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs2_stat(&lfs2, "/tea/hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs2_mkdir(&lfs2, "/milk") => 0;
lfs2_stat(&lfs2, "/milk", &info) => 0;
assert(strcmp(info.name, "milk") == 0);
lfs2_stat(&lfs2, "milk", &info) => 0;
assert(strcmp(info.name, "milk") == 0);
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # redundant slashes
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "tea") => 0;
lfs2_mkdir(&lfs2, "tea/hottea") => 0;
lfs2_mkdir(&lfs2, "tea/warmtea") => 0;
lfs2_mkdir(&lfs2, "tea/coldtea") => 0;
lfs2_stat(&lfs2, "/tea/hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs2_stat(&lfs2, "//tea//hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs2_stat(&lfs2, "///tea///hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs2_mkdir(&lfs2, "////milk") => 0;
lfs2_stat(&lfs2, "////milk", &info) => 0;
assert(strcmp(info.name, "milk") == 0);
lfs2_stat(&lfs2, "milk", &info) => 0;
assert(strcmp(info.name, "milk") == 0);
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # dot path test
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "tea") => 0;
lfs2_mkdir(&lfs2, "tea/hottea") => 0;
lfs2_mkdir(&lfs2, "tea/warmtea") => 0;
lfs2_mkdir(&lfs2, "tea/coldtea") => 0;
lfs2_stat(&lfs2, "./tea/hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs2_stat(&lfs2, "/./tea/hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs2_stat(&lfs2, "/././tea/hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs2_stat(&lfs2, "/./tea/./hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs2_mkdir(&lfs2, "/./milk") => 0;
lfs2_stat(&lfs2, "/./milk", &info) => 0;
assert(strcmp(info.name, "milk") == 0);
lfs2_stat(&lfs2, "milk", &info) => 0;
assert(strcmp(info.name, "milk") == 0);
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # dot dot path test
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "tea") => 0;
lfs2_mkdir(&lfs2, "tea/hottea") => 0;
lfs2_mkdir(&lfs2, "tea/warmtea") => 0;
lfs2_mkdir(&lfs2, "tea/coldtea") => 0;
lfs2_mkdir(&lfs2, "coffee") => 0;
lfs2_mkdir(&lfs2, "coffee/hotcoffee") => 0;
lfs2_mkdir(&lfs2, "coffee/warmcoffee") => 0;
lfs2_mkdir(&lfs2, "coffee/coldcoffee") => 0;
lfs2_stat(&lfs2, "coffee/../tea/hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs2_stat(&lfs2, "tea/coldtea/../hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs2_stat(&lfs2, "coffee/coldcoffee/../../tea/hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs2_stat(&lfs2, "coffee/../coffee/../tea/hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs2_mkdir(&lfs2, "coffee/../milk") => 0;
lfs2_stat(&lfs2, "coffee/../milk", &info) => 0;
strcmp(info.name, "milk") => 0;
lfs2_stat(&lfs2, "milk", &info) => 0;
strcmp(info.name, "milk") => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # trailing dot path test
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "tea") => 0;
lfs2_mkdir(&lfs2, "tea/hottea") => 0;
lfs2_mkdir(&lfs2, "tea/warmtea") => 0;
lfs2_mkdir(&lfs2, "tea/coldtea") => 0;
lfs2_stat(&lfs2, "tea/hottea/", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs2_stat(&lfs2, "tea/hottea/.", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs2_stat(&lfs2, "tea/hottea/./.", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs2_stat(&lfs2, "tea/hottea/..", &info) => 0;
assert(strcmp(info.name, "tea") == 0);
lfs2_stat(&lfs2, "tea/hottea/../.", &info) => 0;
assert(strcmp(info.name, "tea") == 0);
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # leading dot path test
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, ".milk") => 0;
lfs2_stat(&lfs2, ".milk", &info) => 0;
strcmp(info.name, ".milk") => 0;
lfs2_stat(&lfs2, "tea/.././.milk", &info) => 0;
strcmp(info.name, ".milk") => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # root dot dot path test
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "tea") => 0;
lfs2_mkdir(&lfs2, "tea/hottea") => 0;
lfs2_mkdir(&lfs2, "tea/warmtea") => 0;
lfs2_mkdir(&lfs2, "tea/coldtea") => 0;
lfs2_mkdir(&lfs2, "coffee") => 0;
lfs2_mkdir(&lfs2, "coffee/hotcoffee") => 0;
lfs2_mkdir(&lfs2, "coffee/warmcoffee") => 0;
lfs2_mkdir(&lfs2, "coffee/coldcoffee") => 0;
lfs2_stat(&lfs2, "coffee/../../../../../../tea/hottea", &info) => 0;
strcmp(info.name, "hottea") => 0;
lfs2_mkdir(&lfs2, "coffee/../../../../../../milk") => 0;
lfs2_stat(&lfs2, "coffee/../../../../../../milk", &info) => 0;
strcmp(info.name, "milk") => 0;
lfs2_stat(&lfs2, "milk", &info) => 0;
strcmp(info.name, "milk") => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # invalid path tests
code = '''
lfs2_format(&lfs2, &cfg);
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_stat(&lfs2, "dirt", &info) => LFS2_ERR_NOENT;
lfs2_stat(&lfs2, "dirt/ground", &info) => LFS2_ERR_NOENT;
lfs2_stat(&lfs2, "dirt/ground/earth", &info) => LFS2_ERR_NOENT;
lfs2_remove(&lfs2, "dirt") => LFS2_ERR_NOENT;
lfs2_remove(&lfs2, "dirt/ground") => LFS2_ERR_NOENT;
lfs2_remove(&lfs2, "dirt/ground/earth") => LFS2_ERR_NOENT;
lfs2_mkdir(&lfs2, "dirt/ground") => LFS2_ERR_NOENT;
lfs2_file_open(&lfs2, &file, "dirt/ground", LFS2_O_WRONLY | LFS2_O_CREAT)
=> LFS2_ERR_NOENT;
lfs2_mkdir(&lfs2, "dirt/ground/earth") => LFS2_ERR_NOENT;
lfs2_file_open(&lfs2, &file, "dirt/ground/earth", LFS2_O_WRONLY | LFS2_O_CREAT)
=> LFS2_ERR_NOENT;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # root operations
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_stat(&lfs2, "/", &info) => 0;
assert(strcmp(info.name, "/") == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_mkdir(&lfs2, "/") => LFS2_ERR_EXIST;
lfs2_file_open(&lfs2, &file, "/", LFS2_O_WRONLY | LFS2_O_CREAT)
=> LFS2_ERR_ISDIR;
lfs2_remove(&lfs2, "/") => LFS2_ERR_INVAL;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # root representations
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_stat(&lfs2, "/", &info) => 0;
assert(strcmp(info.name, "/") == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_stat(&lfs2, "", &info) => 0;
assert(strcmp(info.name, "/") == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_stat(&lfs2, ".", &info) => 0;
assert(strcmp(info.name, "/") == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_stat(&lfs2, "..", &info) => 0;
assert(strcmp(info.name, "/") == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_stat(&lfs2, "//", &info) => 0;
assert(strcmp(info.name, "/") == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_stat(&lfs2, "./", &info) => 0;
assert(strcmp(info.name, "/") == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # superblock conflict test
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_stat(&lfs2, "littlefs", &info) => LFS2_ERR_NOENT;
lfs2_remove(&lfs2, "littlefs") => LFS2_ERR_NOENT;
lfs2_mkdir(&lfs2, "littlefs") => 0;
lfs2_stat(&lfs2, "littlefs", &info) => 0;
assert(strcmp(info.name, "littlefs") == 0);
assert(info.type == LFS2_TYPE_DIR);
lfs2_remove(&lfs2, "littlefs") => 0;
lfs2_stat(&lfs2, "littlefs", &info) => LFS2_ERR_NOENT;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # max path test
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "coffee") => 0;
lfs2_mkdir(&lfs2, "coffee/hotcoffee") => 0;
lfs2_mkdir(&lfs2, "coffee/warmcoffee") => 0;
lfs2_mkdir(&lfs2, "coffee/coldcoffee") => 0;
memset(path, 'w', LFS2_NAME_MAX+1);
path[LFS2_NAME_MAX+1] = '\0';
lfs2_mkdir(&lfs2, path) => LFS2_ERR_NAMETOOLONG;
lfs2_file_open(&lfs2, &file, path, LFS2_O_WRONLY | LFS2_O_CREAT)
=> LFS2_ERR_NAMETOOLONG;
memcpy(path, "coffee/", strlen("coffee/"));
memset(path+strlen("coffee/"), 'w', LFS2_NAME_MAX+1);
path[strlen("coffee/")+LFS2_NAME_MAX+1] = '\0';
lfs2_mkdir(&lfs2, path) => LFS2_ERR_NAMETOOLONG;
lfs2_file_open(&lfs2, &file, path, LFS2_O_WRONLY | LFS2_O_CREAT)
=> LFS2_ERR_NAMETOOLONG;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # really big path test
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "coffee") => 0;
lfs2_mkdir(&lfs2, "coffee/hotcoffee") => 0;
lfs2_mkdir(&lfs2, "coffee/warmcoffee") => 0;
lfs2_mkdir(&lfs2, "coffee/coldcoffee") => 0;
memset(path, 'w', LFS2_NAME_MAX);
path[LFS2_NAME_MAX] = '\0';
lfs2_mkdir(&lfs2, path) => 0;
lfs2_remove(&lfs2, path) => 0;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_remove(&lfs2, path) => 0;
memcpy(path, "coffee/", strlen("coffee/"));
memset(path+strlen("coffee/"), 'w', LFS2_NAME_MAX);
path[strlen("coffee/")+LFS2_NAME_MAX] = '\0';
lfs2_mkdir(&lfs2, path) => 0;
lfs2_remove(&lfs2, path) => 0;
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_remove(&lfs2, path) => 0;
lfs2_unmount(&lfs2) => 0;
'''

139
tests/test_relocations.sh
View File

@@ -1,139 +0,0 @@
#!/bin/bash
set -eu
export TEST_FILE=$0
trap 'export TEST_LINE=$LINENO' DEBUG
ITERATIONS=20
COUNT=10
echo "=== Relocation tests ==="
rm -rf blocks
scripts/test.py << TEST
lfs2_format(&lfs2, &cfg) => 0;
// fill up filesystem so only ~16 blocks are left
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "padding", LFS2_O_CREAT | LFS2_O_WRONLY) => 0;
memset(buffer, 0, 512);
while (LFS2_BLOCK_COUNT - lfs2_fs_size(&lfs2) > 16) {
lfs2_file_write(&lfs2, &file, buffer, 512) => 512;
}
lfs2_file_close(&lfs2, &file) => 0;
// make a child dir to use in bounded space
lfs2_mkdir(&lfs2, "child") => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Dangling split dir test ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
for (int j = 0; j < $ITERATIONS; j++) {
for (int i = 0; i < $COUNT; i++) {
sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
lfs2_file_open(&lfs2, &file, path, LFS2_O_CREAT | LFS2_O_WRONLY) => 0;
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_dir_open(&lfs2, &dir, "child") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
for (int i = 0; i < $COUNT; i++) {
sprintf(path, "test%03d_loooooooooooooooooong_name", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, path) => 0;
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
if (j == $ITERATIONS-1) {
break;
}
for (int i = 0; i < $COUNT; i++) {
sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
lfs2_remove(&lfs2, path) => 0;
}
}
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "child") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
for (int i = 0; i < $COUNT; i++) {
sprintf(path, "test%03d_loooooooooooooooooong_name", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, path) => 0;
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
for (int i = 0; i < $COUNT; i++) {
sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
lfs2_remove(&lfs2, path) => 0;
}
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Outdated head test ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
for (int j = 0; j < $ITERATIONS; j++) {
for (int i = 0; i < $COUNT; i++) {
sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
lfs2_file_open(&lfs2, &file, path, LFS2_O_CREAT | LFS2_O_WRONLY) => 0;
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_dir_open(&lfs2, &dir, "child") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
for (int i = 0; i < $COUNT; i++) {
sprintf(path, "test%03d_loooooooooooooooooong_name", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, path) => 0;
info.size => 0;
sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
lfs2_file_open(&lfs2, &file, path, LFS2_O_WRONLY) => 0;
lfs2_file_write(&lfs2, &file, "hi", 2) => 2;
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_rewind(&lfs2, &dir) => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
for (int i = 0; i < $COUNT; i++) {
sprintf(path, "test%03d_loooooooooooooooooong_name", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, path) => 0;
info.size => 2;
sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
lfs2_file_open(&lfs2, &file, path, LFS2_O_WRONLY) => 0;
lfs2_file_write(&lfs2, &file, "hi", 2) => 2;
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_rewind(&lfs2, &dir) => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
for (int i = 0; i < $COUNT; i++) {
sprintf(path, "test%03d_loooooooooooooooooong_name", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, path) => 0;
info.size => 2;
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
for (int i = 0; i < $COUNT; i++) {
sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
lfs2_remove(&lfs2, path) => 0;
}
}
lfs2_unmount(&lfs2) => 0;
TEST
scripts/results.py

305
tests/test_relocations.toml Normal file
View File

@@ -0,0 +1,305 @@
# specific corner cases worth explicitly testing for
[[case]] # dangling split dir test
define.ITERATIONS = 20
define.COUNT = 10
define.LFS2_BLOCK_CYCLES = [8, 1]
code = '''
lfs2_format(&lfs2, &cfg) => 0;
// fill up filesystem so only ~16 blocks are left
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "padding", LFS2_O_CREAT | LFS2_O_WRONLY) => 0;
memset(buffer, 0, 512);
while (LFS2_BLOCK_COUNT - lfs2_fs_size(&lfs2) > 16) {
lfs2_file_write(&lfs2, &file, buffer, 512) => 512;
}
lfs2_file_close(&lfs2, &file) => 0;
// make a child dir to use in bounded space
lfs2_mkdir(&lfs2, "child") => 0;
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (int j = 0; j < ITERATIONS; j++) {
for (int i = 0; i < COUNT; i++) {
sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
lfs2_file_open(&lfs2, &file, path, LFS2_O_CREAT | LFS2_O_WRONLY) => 0;
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_dir_open(&lfs2, &dir, "child") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
for (int i = 0; i < COUNT; i++) {
sprintf(path, "test%03d_loooooooooooooooooong_name", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, path) => 0;
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
if (j == ITERATIONS-1) {
break;
}
for (int i = 0; i < COUNT; i++) {
sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
lfs2_remove(&lfs2, path) => 0;
}
}
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "child") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
for (int i = 0; i < COUNT; i++) {
sprintf(path, "test%03d_loooooooooooooooooong_name", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, path) => 0;
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
for (int i = 0; i < COUNT; i++) {
sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
lfs2_remove(&lfs2, path) => 0;
}
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # outdated head test
define.ITERATIONS = 20
define.COUNT = 10
define.LFS2_BLOCK_CYCLES = [8, 1]
code = '''
lfs2_format(&lfs2, &cfg) => 0;
// fill up filesystem so only ~16 blocks are left
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "padding", LFS2_O_CREAT | LFS2_O_WRONLY) => 0;
memset(buffer, 0, 512);
while (LFS2_BLOCK_COUNT - lfs2_fs_size(&lfs2) > 16) {
lfs2_file_write(&lfs2, &file, buffer, 512) => 512;
}
lfs2_file_close(&lfs2, &file) => 0;
// make a child dir to use in bounded space
lfs2_mkdir(&lfs2, "child") => 0;
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (int j = 0; j < ITERATIONS; j++) {
for (int i = 0; i < COUNT; i++) {
sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
lfs2_file_open(&lfs2, &file, path, LFS2_O_CREAT | LFS2_O_WRONLY) => 0;
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_dir_open(&lfs2, &dir, "child") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
for (int i = 0; i < COUNT; i++) {
sprintf(path, "test%03d_loooooooooooooooooong_name", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, path) => 0;
info.size => 0;
sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
lfs2_file_open(&lfs2, &file, path, LFS2_O_WRONLY) => 0;
lfs2_file_write(&lfs2, &file, "hi", 2) => 2;
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_rewind(&lfs2, &dir) => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
for (int i = 0; i < COUNT; i++) {
sprintf(path, "test%03d_loooooooooooooooooong_name", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, path) => 0;
info.size => 2;
sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
lfs2_file_open(&lfs2, &file, path, LFS2_O_WRONLY) => 0;
lfs2_file_write(&lfs2, &file, "hi", 2) => 2;
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_rewind(&lfs2, &dir) => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
for (int i = 0; i < COUNT; i++) {
sprintf(path, "test%03d_loooooooooooooooooong_name", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, path) => 0;
info.size => 2;
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
for (int i = 0; i < COUNT; i++) {
sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
lfs2_remove(&lfs2, path) => 0;
}
}
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # reentrant testing for relocations, this is the same as the
# orphan testing, except here we also set block_cycles so that
# almost every tree operation needs a relocation
reentrant = true
# TODO fix this case, caused by non-DAG trees
if = '!(DEPTH == 3 && LFS2_CACHE_SIZE != 64)'
define = [
{FILES=6, DEPTH=1, CYCLES=20, LFS2_BLOCK_CYCLES=1},
{FILES=26, DEPTH=1, CYCLES=20, LFS2_BLOCK_CYCLES=1},
{FILES=3, DEPTH=3, CYCLES=20, LFS2_BLOCK_CYCLES=1},
]
code = '''
err = lfs2_mount(&lfs2, &cfg);
if (err) {
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
}
srand(1);
const char alpha[] = "abcdefghijklmnopqrstuvwxyz";
for (int i = 0; i < CYCLES; i++) {
// create random path
char full_path[256];
for (int d = 0; d < DEPTH; d++) {
sprintf(&full_path[2*d], "/%c", alpha[rand() % FILES]);
}
// if it does not exist, we create it, else we destroy
int res = lfs2_stat(&lfs2, full_path, &info);
if (res == LFS2_ERR_NOENT) {
// create each directory in turn, ignore if dir already exists
for (int d = 0; d < DEPTH; d++) {
strcpy(path, full_path);
path[2*d+2] = '\0';
err = lfs2_mkdir(&lfs2, path);
assert(!err || err == LFS2_ERR_EXIST);
}
for (int d = 0; d < DEPTH; d++) {
strcpy(path, full_path);
path[2*d+2] = '\0';
lfs2_stat(&lfs2, path, &info) => 0;
assert(strcmp(info.name, &path[2*d+1]) == 0);
assert(info.type == LFS2_TYPE_DIR);
}
} else {
// is valid dir?
assert(strcmp(info.name, &full_path[2*(DEPTH-1)+1]) == 0);
assert(info.type == LFS2_TYPE_DIR);
// try to delete path in reverse order, ignore if dir is not empty
for (int d = DEPTH-1; d >= 0; d--) {
strcpy(path, full_path);
path[2*d+2] = '\0';
err = lfs2_remove(&lfs2, path);
assert(!err || err == LFS2_ERR_NOTEMPTY);
}
lfs2_stat(&lfs2, full_path, &info) => LFS2_ERR_NOENT;
}
}
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # reentrant testing for relocations, but now with random renames!
reentrant = true
# TODO fix this case, caused by non-DAG trees
if = '!(DEPTH == 3 && LFS2_CACHE_SIZE != 64)'
define = [
{FILES=6, DEPTH=1, CYCLES=20, LFS2_BLOCK_CYCLES=1},
{FILES=26, DEPTH=1, CYCLES=20, LFS2_BLOCK_CYCLES=1},
{FILES=3, DEPTH=3, CYCLES=20, LFS2_BLOCK_CYCLES=1},
]
code = '''
err = lfs2_mount(&lfs2, &cfg);
if (err) {
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
}
srand(1);
const char alpha[] = "abcdefghijklmnopqrstuvwxyz";
for (int i = 0; i < CYCLES; i++) {
// create random path
char full_path[256];
for (int d = 0; d < DEPTH; d++) {
sprintf(&full_path[2*d], "/%c", alpha[rand() % FILES]);
}
// if it does not exist, we create it, else we destroy
int res = lfs2_stat(&lfs2, full_path, &info);
assert(!res || res == LFS2_ERR_NOENT);
if (res == LFS2_ERR_NOENT) {
// create each directory in turn, ignore if dir already exists
for (int d = 0; d < DEPTH; d++) {
strcpy(path, full_path);
path[2*d+2] = '\0';
err = lfs2_mkdir(&lfs2, path);
assert(!err || err == LFS2_ERR_EXIST);
}
for (int d = 0; d < DEPTH; d++) {
strcpy(path, full_path);
path[2*d+2] = '\0';
lfs2_stat(&lfs2, path, &info) => 0;
assert(strcmp(info.name, &path[2*d+1]) == 0);
assert(info.type == LFS2_TYPE_DIR);
}
} else {
assert(strcmp(info.name, &full_path[2*(DEPTH-1)+1]) == 0);
assert(info.type == LFS2_TYPE_DIR);
// create new random path
char new_path[256];
for (int d = 0; d < DEPTH; d++) {
sprintf(&new_path[2*d], "/%c", alpha[rand() % FILES]);
}
// if new path does not exist, rename, otherwise destroy
res = lfs2_stat(&lfs2, new_path, &info);
assert(!res || res == LFS2_ERR_NOENT);
if (res == LFS2_ERR_NOENT) {
// stop once some dir is renamed
for (int d = 0; d < DEPTH; d++) {
strcpy(&path[2*d], &full_path[2*d]);
path[2*d+2] = '\0';
strcpy(&path[128+2*d], &new_path[2*d]);
path[128+2*d+2] = '\0';
err = lfs2_rename(&lfs2, path, path+128);
assert(!err || err == LFS2_ERR_NOTEMPTY);
if (!err) {
strcpy(path, path+128);
}
}
for (int d = 0; d < DEPTH; d++) {
strcpy(path, new_path);
path[2*d+2] = '\0';
lfs2_stat(&lfs2, path, &info) => 0;
assert(strcmp(info.name, &path[2*d+1]) == 0);
assert(info.type == LFS2_TYPE_DIR);
}
lfs2_stat(&lfs2, full_path, &info) => LFS2_ERR_NOENT;
} else {
// try to delete path in reverse order,
// ignore if dir is not empty
for (int d = DEPTH-1; d >= 0; d--) {
strcpy(path, full_path);
path[2*d+2] = '\0';
err = lfs2_remove(&lfs2, path);
assert(!err || err == LFS2_ERR_NOTEMPTY);
}
lfs2_stat(&lfs2, full_path, &info) => LFS2_ERR_NOENT;
}
}
}
lfs2_unmount(&lfs2) => 0;
'''

505
tests/test_seek.sh
View File

@@ -1,505 +0,0 @@
#!/bin/bash
set -eu
export TEST_FILE=$0
trap 'export TEST_LINE=$LINENO' DEBUG
echo "=== Seek tests ==="
SMALLSIZE=4
MEDIUMSIZE=128
LARGESIZE=132
rm -rf blocks
scripts/test.py << TEST
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_mkdir(&lfs2, "hello") => 0;
for (int i = 0; i < $LARGESIZE; i++) {
sprintf(path, "hello/kitty%03d", i);
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_APPEND) => 0;
lfs2_size_t size = strlen("kittycatcat");
memcpy(buffer, "kittycatcat", size);
for (int j = 0; j < $LARGESIZE; j++) {
lfs2_file_write(&lfs2, &file, buffer, size);
}
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Simple dir seek ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "hello") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
lfs2_soff_t pos;
int i;
for (i = 0; i < $SMALLSIZE; i++) {
sprintf(path, "kitty%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, path) => 0;
pos = lfs2_dir_tell(&lfs2, &dir);
}
pos >= 0 => 1;
lfs2_dir_seek(&lfs2, &dir, pos) => 0;
sprintf(path, "kitty%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, path) => 0;
lfs2_dir_rewind(&lfs2, &dir) => 0;
sprintf(path, "kitty%03d", 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, path) => 0;
lfs2_dir_seek(&lfs2, &dir, pos) => 0;
sprintf(path, "kitty%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, path) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Large dir seek ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_dir_open(&lfs2, &dir, "hello") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
lfs2_soff_t pos;
int i;
for (i = 0; i < $MEDIUMSIZE; i++) {
sprintf(path, "kitty%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, path) => 0;
pos = lfs2_dir_tell(&lfs2, &dir);
}
pos >= 0 => 1;
lfs2_dir_seek(&lfs2, &dir, pos) => 0;
sprintf(path, "kitty%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, path) => 0;
lfs2_dir_rewind(&lfs2, &dir) => 0;
sprintf(path, "kitty%03d", 0);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, ".") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, "..") => 0;
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, path) => 0;
lfs2_dir_seek(&lfs2, &dir, pos) => 0;
sprintf(path, "kitty%03d", i);
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(info.name, path) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Simple file seek ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "hello/kitty042", LFS2_O_RDONLY) => 0;
lfs2_soff_t pos;
lfs2_size_t size = strlen("kittycatcat");
for (int i = 0; i < $SMALLSIZE; i++) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
pos = lfs2_file_tell(&lfs2, &file);
}
pos >= 0 => 1;
lfs2_file_seek(&lfs2, &file, pos, LFS2_SEEK_SET) => pos;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
lfs2_file_rewind(&lfs2, &file) => 0;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
lfs2_file_seek(&lfs2, &file, 0, LFS2_SEEK_CUR) => size;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
lfs2_file_seek(&lfs2, &file, size, LFS2_SEEK_CUR) => 3*size;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
lfs2_file_seek(&lfs2, &file, pos, LFS2_SEEK_SET) => pos;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
lfs2_file_seek(&lfs2, &file, -size, LFS2_SEEK_CUR) => pos;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
lfs2_file_seek(&lfs2, &file, -size, LFS2_SEEK_END) >= 0 => 1;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
size = lfs2_file_size(&lfs2, &file);
lfs2_file_seek(&lfs2, &file, 0, LFS2_SEEK_CUR) => size;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Large file seek ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "hello/kitty042", LFS2_O_RDONLY) => 0;
lfs2_soff_t pos;
lfs2_size_t size = strlen("kittycatcat");
for (int i = 0; i < $MEDIUMSIZE; i++) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
pos = lfs2_file_tell(&lfs2, &file);
}
pos >= 0 => 1;
lfs2_file_seek(&lfs2, &file, pos, LFS2_SEEK_SET) => pos;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
lfs2_file_rewind(&lfs2, &file) => 0;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
lfs2_file_seek(&lfs2, &file, 0, LFS2_SEEK_CUR) => size;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
lfs2_file_seek(&lfs2, &file, size, LFS2_SEEK_CUR) => 3*size;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
lfs2_file_seek(&lfs2, &file, pos, LFS2_SEEK_SET) => pos;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
lfs2_file_seek(&lfs2, &file, -size, LFS2_SEEK_CUR) => pos;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
lfs2_file_seek(&lfs2, &file, -size, LFS2_SEEK_END) >= 0 => 1;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
size = lfs2_file_size(&lfs2, &file);
lfs2_file_seek(&lfs2, &file, 0, LFS2_SEEK_CUR) => size;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Simple file seek and write ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "hello/kitty042", LFS2_O_RDWR) => 0;
lfs2_soff_t pos;
lfs2_size_t size = strlen("kittycatcat");
for (int i = 0; i < $SMALLSIZE; i++) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
pos = lfs2_file_tell(&lfs2, &file);
}
pos >= 0 => 1;
memcpy(buffer, "doggodogdog", size);
lfs2_file_seek(&lfs2, &file, pos, LFS2_SEEK_SET) => pos;
lfs2_file_write(&lfs2, &file, buffer, size) => size;
lfs2_file_seek(&lfs2, &file, pos, LFS2_SEEK_SET) => pos;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "doggodogdog", size) => 0;
lfs2_file_rewind(&lfs2, &file) => 0;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
lfs2_file_seek(&lfs2, &file, pos, LFS2_SEEK_SET) => pos;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "doggodogdog", size) => 0;
lfs2_file_seek(&lfs2, &file, -size, LFS2_SEEK_END) >= 0 => 1;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
size = lfs2_file_size(&lfs2, &file);
lfs2_file_seek(&lfs2, &file, 0, LFS2_SEEK_CUR) => size;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Large file seek and write ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "hello/kitty042", LFS2_O_RDWR) => 0;
lfs2_soff_t pos;
lfs2_size_t size = strlen("kittycatcat");
for (int i = 0; i < $MEDIUMSIZE; i++) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
if (i != $SMALLSIZE) {
memcmp(buffer, "kittycatcat", size) => 0;
}
pos = lfs2_file_tell(&lfs2, &file);
}
pos >= 0 => 1;
memcpy(buffer, "doggodogdog", size);
lfs2_file_seek(&lfs2, &file, pos, LFS2_SEEK_SET) => pos;
lfs2_file_write(&lfs2, &file, buffer, size) => size;
lfs2_file_seek(&lfs2, &file, pos, LFS2_SEEK_SET) => pos;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "doggodogdog", size) => 0;
lfs2_file_rewind(&lfs2, &file) => 0;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
lfs2_file_seek(&lfs2, &file, pos, LFS2_SEEK_SET) => pos;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "doggodogdog", size) => 0;
lfs2_file_seek(&lfs2, &file, -size, LFS2_SEEK_END) >= 0 => 1;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
size = lfs2_file_size(&lfs2, &file);
lfs2_file_seek(&lfs2, &file, 0, LFS2_SEEK_CUR) => size;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Boundary seek and write ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "hello/kitty042", LFS2_O_RDWR) => 0;
lfs2_size_t size = strlen("hedgehoghog");
const lfs2_soff_t offsets[] = {512, 1020, 513, 1021, 511, 1019};
for (unsigned i = 0; i < sizeof(offsets) / sizeof(offsets[0]); i++) {
lfs2_soff_t off = offsets[i];
memcpy(buffer, "hedgehoghog", size);
lfs2_file_seek(&lfs2, &file, off, LFS2_SEEK_SET) => off;
lfs2_file_write(&lfs2, &file, buffer, size) => size;
lfs2_file_seek(&lfs2, &file, off, LFS2_SEEK_SET) => off;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "hedgehoghog", size) => 0;
lfs2_file_seek(&lfs2, &file, 0, LFS2_SEEK_SET) => 0;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
lfs2_file_sync(&lfs2, &file) => 0;
}
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Out-of-bounds seek ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "hello/kitty042", LFS2_O_RDWR) => 0;
lfs2_size_t size = strlen("kittycatcat");
lfs2_file_size(&lfs2, &file) => $LARGESIZE*size;
lfs2_file_seek(&lfs2, &file, ($LARGESIZE+$SMALLSIZE)*size,
LFS2_SEEK_SET) => ($LARGESIZE+$SMALLSIZE)*size;
lfs2_file_read(&lfs2, &file, buffer, size) => 0;
memcpy(buffer, "porcupineee", size);
lfs2_file_write(&lfs2, &file, buffer, size) => size;
lfs2_file_seek(&lfs2, &file, ($LARGESIZE+$SMALLSIZE)*size,
LFS2_SEEK_SET) => ($LARGESIZE+$SMALLSIZE)*size;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "porcupineee", size) => 0;
lfs2_file_seek(&lfs2, &file, $LARGESIZE*size,
LFS2_SEEK_SET) => $LARGESIZE*size;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "\0\0\0\0\0\0\0\0\0\0\0", size) => 0;
lfs2_file_seek(&lfs2, &file, -(($LARGESIZE+$SMALLSIZE)*size),
LFS2_SEEK_CUR) => LFS2_ERR_INVAL;
lfs2_file_tell(&lfs2, &file) => ($LARGESIZE+1)*size;
lfs2_file_seek(&lfs2, &file, -(($LARGESIZE+2*$SMALLSIZE)*size),
LFS2_SEEK_END) => LFS2_ERR_INVAL;
lfs2_file_tell(&lfs2, &file) => ($LARGESIZE+1)*size;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Inline write and seek ---"
for SIZE in $SMALLSIZE $MEDIUMSIZE $LARGESIZE
do
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "hello/tinykitty$SIZE",
LFS2_O_RDWR | LFS2_O_CREAT) => 0;
int j = 0;
int k = 0;
memcpy(buffer, "abcdefghijklmnopqrstuvwxyz", 26);
for (unsigned i = 0; i < $SIZE; i++) {
lfs2_file_write(&lfs2, &file, &buffer[j++ % 26], 1) => 1;
lfs2_file_tell(&lfs2, &file) => i+1;
lfs2_file_size(&lfs2, &file) => i+1;
}
lfs2_file_seek(&lfs2, &file, 0, LFS2_SEEK_SET) => 0;
lfs2_file_tell(&lfs2, &file) => 0;
lfs2_file_size(&lfs2, &file) => $SIZE;
for (unsigned i = 0; i < $SIZE; i++) {
uint8_t c;
lfs2_file_read(&lfs2, &file, &c, 1) => 1;
c => buffer[k++ % 26];
}
lfs2_file_sync(&lfs2, &file) => 0;
lfs2_file_tell(&lfs2, &file) => $SIZE;
lfs2_file_size(&lfs2, &file) => $SIZE;
lfs2_file_seek(&lfs2, &file, 0, LFS2_SEEK_SET) => 0;
for (unsigned i = 0; i < $SIZE; i++) {
lfs2_file_write(&lfs2, &file, &buffer[j++ % 26], 1) => 1;
lfs2_file_tell(&lfs2, &file) => i+1;
lfs2_file_size(&lfs2, &file) => $SIZE;
lfs2_file_sync(&lfs2, &file) => 0;
lfs2_file_tell(&lfs2, &file) => i+1;
lfs2_file_size(&lfs2, &file) => $SIZE;
if (i < $SIZE-2) {
uint8_t c[3];
lfs2_file_seek(&lfs2, &file, -1, LFS2_SEEK_CUR) => i;
lfs2_file_read(&lfs2, &file, &c, 3) => 3;
lfs2_file_tell(&lfs2, &file) => i+3;
lfs2_file_size(&lfs2, &file) => $SIZE;
lfs2_file_seek(&lfs2, &file, i+1, LFS2_SEEK_SET) => i+1;
lfs2_file_tell(&lfs2, &file) => i+1;
lfs2_file_size(&lfs2, &file) => $SIZE;
}
}
lfs2_file_seek(&lfs2, &file, 0, LFS2_SEEK_SET) => 0;
lfs2_file_tell(&lfs2, &file) => 0;
lfs2_file_size(&lfs2, &file) => $SIZE;
for (unsigned i = 0; i < $SIZE; i++) {
uint8_t c;
lfs2_file_read(&lfs2, &file, &c, 1) => 1;
c => buffer[k++ % 26];
}
lfs2_file_sync(&lfs2, &file) => 0;
lfs2_file_tell(&lfs2, &file) => $SIZE;
lfs2_file_size(&lfs2, &file) => $SIZE;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
done
echo "--- Root seek test ---"
./scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 3; i < $MEDIUMSIZE; i++) {
sprintf(path, "hi%03d", i);
lfs2_mkdir(&lfs2, path) => 0;
}
lfs2_dir_open(&lfs2, &dir, "/") => 0;
for (int i = 0; i < $MEDIUMSIZE; i++) {
if (i == 0) {
sprintf(path, ".");
} else if (i == 1) {
sprintf(path, "..");
} else if (i == 2) {
sprintf(path, "hello");
} else {
sprintf(path, "hi%03d", i);
}
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(path, info.name) => 0;
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
for (int j = 0; j < $MEDIUMSIZE; j++) {
lfs2_soff_t off = -1;
lfs2_dir_open(&lfs2, &dir, "/") => 0;
for (int i = 0; i < $MEDIUMSIZE; i++) {
if (i == 0) {
sprintf(path, ".");
} else if (i == 1) {
sprintf(path, "..");
} else if (i == 2) {
sprintf(path, "hello");
} else {
sprintf(path, "hi%03d", i);
}
if (i == j) {
off = lfs2_dir_tell(&lfs2, &dir);
off >= 0 => true;
}
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(path, info.name) => 0;
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
lfs2_dir_open(&lfs2, &dir, "/") => 0;
lfs2_dir_seek(&lfs2, &dir, off) => 0;
for (int i = j; i < $MEDIUMSIZE; i++) {
if (i == 0) {
sprintf(path, ".");
} else if (i == 1) {
sprintf(path, "..");
} else if (i == 2) {
sprintf(path, "hello");
} else {
sprintf(path, "hi%03d", i);
}
lfs2_dir_read(&lfs2, &dir, &info) => 1;
strcmp(path, info.name) => 0;
}
lfs2_dir_read(&lfs2, &dir, &info) => 0;
lfs2_dir_close(&lfs2, &dir) => 0;
}
lfs2_unmount(&lfs2) => 0;
TEST
scripts/results.py

380
tests/test_seek.toml Normal file
View File

@@ -0,0 +1,380 @@
[[case]] # simple file seek
define = [
{COUNT=132, SKIP=4},
{COUNT=132, SKIP=128},
{COUNT=200, SKIP=10},
{COUNT=200, SKIP=100},
{COUNT=4, SKIP=1},
{COUNT=4, SKIP=2},
]
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "kitty",
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_APPEND) => 0;
size = strlen("kittycatcat");
memcpy(buffer, "kittycatcat", size);
for (int j = 0; j < COUNT; j++) {
lfs2_file_write(&lfs2, &file, buffer, size);
}
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "kitty", LFS2_O_RDONLY) => 0;
lfs2_soff_t pos = -1;
size = strlen("kittycatcat");
for (int i = 0; i < SKIP; i++) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
pos = lfs2_file_tell(&lfs2, &file);
}
assert(pos >= 0);
lfs2_file_seek(&lfs2, &file, pos, LFS2_SEEK_SET) => pos;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
lfs2_file_rewind(&lfs2, &file) => 0;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
lfs2_file_seek(&lfs2, &file, 0, LFS2_SEEK_CUR) => size;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
lfs2_file_seek(&lfs2, &file, size, LFS2_SEEK_CUR) => 3*size;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
lfs2_file_seek(&lfs2, &file, pos, LFS2_SEEK_SET) => pos;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
lfs2_file_seek(&lfs2, &file, -size, LFS2_SEEK_CUR) => pos;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
lfs2_file_seek(&lfs2, &file, -size, LFS2_SEEK_END) >= 0 => 1;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
size = lfs2_file_size(&lfs2, &file);
lfs2_file_seek(&lfs2, &file, 0, LFS2_SEEK_CUR) => size;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # simple file seek and write
define = [
{COUNT=132, SKIP=4},
{COUNT=132, SKIP=128},
{COUNT=200, SKIP=10},
{COUNT=200, SKIP=100},
{COUNT=4, SKIP=1},
{COUNT=4, SKIP=2},
]
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "kitty",
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_APPEND) => 0;
size = strlen("kittycatcat");
memcpy(buffer, "kittycatcat", size);
for (int j = 0; j < COUNT; j++) {
lfs2_file_write(&lfs2, &file, buffer, size);
}
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "kitty", LFS2_O_RDWR) => 0;
lfs2_soff_t pos = -1;
size = strlen("kittycatcat");
for (int i = 0; i < SKIP; i++) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
pos = lfs2_file_tell(&lfs2, &file);
}
assert(pos >= 0);
memcpy(buffer, "doggodogdog", size);
lfs2_file_seek(&lfs2, &file, pos, LFS2_SEEK_SET) => pos;
lfs2_file_write(&lfs2, &file, buffer, size) => size;
lfs2_file_seek(&lfs2, &file, pos, LFS2_SEEK_SET) => pos;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "doggodogdog", size) => 0;
lfs2_file_rewind(&lfs2, &file) => 0;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
lfs2_file_seek(&lfs2, &file, pos, LFS2_SEEK_SET) => pos;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "doggodogdog", size) => 0;
lfs2_file_seek(&lfs2, &file, -size, LFS2_SEEK_END) >= 0 => 1;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
size = lfs2_file_size(&lfs2, &file);
lfs2_file_seek(&lfs2, &file, 0, LFS2_SEEK_CUR) => size;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # boundary seek and writes
define.COUNT = 132
define.OFFSETS = '"{512, 1020, 513, 1021, 511, 1019, 1441}"'
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "kitty",
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_APPEND) => 0;
size = strlen("kittycatcat");
memcpy(buffer, "kittycatcat", size);
for (int j = 0; j < COUNT; j++) {
lfs2_file_write(&lfs2, &file, buffer, size);
}
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "kitty", LFS2_O_RDWR) => 0;
size = strlen("hedgehoghog");
const lfs2_soff_t offsets[] = OFFSETS;
for (unsigned i = 0; i < sizeof(offsets) / sizeof(offsets[0]); i++) {
lfs2_soff_t off = offsets[i];
memcpy(buffer, "hedgehoghog", size);
lfs2_file_seek(&lfs2, &file, off, LFS2_SEEK_SET) => off;
lfs2_file_write(&lfs2, &file, buffer, size) => size;
lfs2_file_seek(&lfs2, &file, off, LFS2_SEEK_SET) => off;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "hedgehoghog", size) => 0;
lfs2_file_seek(&lfs2, &file, 0, LFS2_SEEK_SET) => 0;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
lfs2_file_seek(&lfs2, &file, off, LFS2_SEEK_SET) => off;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "hedgehoghog", size) => 0;
lfs2_file_sync(&lfs2, &file) => 0;
lfs2_file_seek(&lfs2, &file, 0, LFS2_SEEK_SET) => 0;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "kittycatcat", size) => 0;
lfs2_file_seek(&lfs2, &file, off, LFS2_SEEK_SET) => off;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "hedgehoghog", size) => 0;
}
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # out of bounds seek
define = [
{COUNT=132, SKIP=4},
{COUNT=132, SKIP=128},
{COUNT=200, SKIP=10},
{COUNT=200, SKIP=100},
{COUNT=4, SKIP=2},
{COUNT=4, SKIP=3},
]
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "kitty",
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_APPEND) => 0;
size = strlen("kittycatcat");
memcpy(buffer, "kittycatcat", size);
for (int j = 0; j < COUNT; j++) {
lfs2_file_write(&lfs2, &file, buffer, size);
}
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "kitty", LFS2_O_RDWR) => 0;
size = strlen("kittycatcat");
lfs2_file_size(&lfs2, &file) => COUNT*size;
lfs2_file_seek(&lfs2, &file, (COUNT+SKIP)*size,
LFS2_SEEK_SET) => (COUNT+SKIP)*size;
lfs2_file_read(&lfs2, &file, buffer, size) => 0;
memcpy(buffer, "porcupineee", size);
lfs2_file_write(&lfs2, &file, buffer, size) => size;
lfs2_file_seek(&lfs2, &file, (COUNT+SKIP)*size,
LFS2_SEEK_SET) => (COUNT+SKIP)*size;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "porcupineee", size) => 0;
lfs2_file_seek(&lfs2, &file, COUNT*size,
LFS2_SEEK_SET) => COUNT*size;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "\0\0\0\0\0\0\0\0\0\0\0", size) => 0;
lfs2_file_seek(&lfs2, &file, -((COUNT+SKIP)*size),
LFS2_SEEK_CUR) => LFS2_ERR_INVAL;
lfs2_file_tell(&lfs2, &file) => (COUNT+1)*size;
lfs2_file_seek(&lfs2, &file, -((COUNT+2*SKIP)*size),
LFS2_SEEK_END) => LFS2_ERR_INVAL;
lfs2_file_tell(&lfs2, &file) => (COUNT+1)*size;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # inline write and seek
define.SIZE = [2, 4, 128, 132]
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "tinykitty",
LFS2_O_RDWR | LFS2_O_CREAT) => 0;
int j = 0;
int k = 0;
memcpy(buffer, "abcdefghijklmnopqrstuvwxyz", 26);
for (unsigned i = 0; i < SIZE; i++) {
lfs2_file_write(&lfs2, &file, &buffer[j++ % 26], 1) => 1;
lfs2_file_tell(&lfs2, &file) => i+1;
lfs2_file_size(&lfs2, &file) => i+1;
}
lfs2_file_seek(&lfs2, &file, 0, LFS2_SEEK_SET) => 0;
lfs2_file_tell(&lfs2, &file) => 0;
lfs2_file_size(&lfs2, &file) => SIZE;
for (unsigned i = 0; i < SIZE; i++) {
uint8_t c;
lfs2_file_read(&lfs2, &file, &c, 1) => 1;
c => buffer[k++ % 26];
}
lfs2_file_sync(&lfs2, &file) => 0;
lfs2_file_tell(&lfs2, &file) => SIZE;
lfs2_file_size(&lfs2, &file) => SIZE;
lfs2_file_seek(&lfs2, &file, 0, LFS2_SEEK_SET) => 0;
for (unsigned i = 0; i < SIZE; i++) {
lfs2_file_write(&lfs2, &file, &buffer[j++ % 26], 1) => 1;
lfs2_file_tell(&lfs2, &file) => i+1;
lfs2_file_size(&lfs2, &file) => SIZE;
lfs2_file_sync(&lfs2, &file) => 0;
lfs2_file_tell(&lfs2, &file) => i+1;
lfs2_file_size(&lfs2, &file) => SIZE;
if (i < SIZE-2) {
uint8_t c[3];
lfs2_file_seek(&lfs2, &file, -1, LFS2_SEEK_CUR) => i;
lfs2_file_read(&lfs2, &file, &c, 3) => 3;
lfs2_file_tell(&lfs2, &file) => i+3;
lfs2_file_size(&lfs2, &file) => SIZE;
lfs2_file_seek(&lfs2, &file, i+1, LFS2_SEEK_SET) => i+1;
lfs2_file_tell(&lfs2, &file) => i+1;
lfs2_file_size(&lfs2, &file) => SIZE;
}
}
lfs2_file_seek(&lfs2, &file, 0, LFS2_SEEK_SET) => 0;
lfs2_file_tell(&lfs2, &file) => 0;
lfs2_file_size(&lfs2, &file) => SIZE;
for (unsigned i = 0; i < SIZE; i++) {
uint8_t c;
lfs2_file_read(&lfs2, &file, &c, 1) => 1;
c => buffer[k++ % 26];
}
lfs2_file_sync(&lfs2, &file) => 0;
lfs2_file_tell(&lfs2, &file) => SIZE;
lfs2_file_size(&lfs2, &file) => SIZE;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # file seek and write with power-loss
# must be power-of-2 for quadratic probing to be exhaustive
define.COUNT = [4, 64, 128]
reentrant = true
code = '''
err = lfs2_mount(&lfs2, &cfg);
if (err) {
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
}
err = lfs2_file_open(&lfs2, &file, "kitty", LFS2_O_RDONLY);
assert(!err || err == LFS2_ERR_NOENT);
if (!err) {
if (lfs2_file_size(&lfs2, &file) != 0) {
lfs2_file_size(&lfs2, &file) => 11*COUNT;
for (int j = 0; j < COUNT; j++) {
memset(buffer, 0, 11+1);
lfs2_file_read(&lfs2, &file, buffer, 11) => 11;
assert(memcmp(buffer, "kittycatcat", 11) == 0 ||
memcmp(buffer, "doggodogdog", 11) == 0);
}
}
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_file_open(&lfs2, &file, "kitty", LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
if (lfs2_file_size(&lfs2, &file) == 0) {
for (int j = 0; j < COUNT; j++) {
strcpy((char*)buffer, "kittycatcat");
size = strlen((char*)buffer);
lfs2_file_write(&lfs2, &file, buffer, size) => size;
}
}
lfs2_file_close(&lfs2, &file) => 0;
strcpy((char*)buffer, "doggodogdog");
size = strlen((char*)buffer);
lfs2_file_open(&lfs2, &file, "kitty", LFS2_O_RDWR) => 0;
lfs2_file_size(&lfs2, &file) => COUNT*size;
// seek and write using quadratic probing to touch all
// 11-byte words in the file
lfs2_off_t off = 0;
for (int j = 0; j < COUNT; j++) {
off = (5*off + 1) % COUNT;
lfs2_file_seek(&lfs2, &file, off*size, LFS2_SEEK_SET) => off*size;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
assert(memcmp(buffer, "kittycatcat", size) == 0 ||
memcmp(buffer, "doggodogdog", size) == 0);
if (memcmp(buffer, "doggodogdog", size) != 0) {
lfs2_file_seek(&lfs2, &file, off*size, LFS2_SEEK_SET) => off*size;
strcpy((char*)buffer, "doggodogdog");
lfs2_file_write(&lfs2, &file, buffer, size) => size;
lfs2_file_seek(&lfs2, &file, off*size, LFS2_SEEK_SET) => off*size;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
assert(memcmp(buffer, "doggodogdog", size) == 0);
lfs2_file_sync(&lfs2, &file) => 0;
lfs2_file_seek(&lfs2, &file, off*size, LFS2_SEEK_SET) => off*size;
lfs2_file_read(&lfs2, &file, buffer, size) => size;
assert(memcmp(buffer, "doggodogdog", size) == 0);
}
}
lfs2_file_close(&lfs2, &file) => 0;
lfs2_file_open(&lfs2, &file, "kitty", LFS2_O_RDWR) => 0;
lfs2_file_size(&lfs2, &file) => COUNT*size;
for (int j = 0; j < COUNT; j++) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
assert(memcmp(buffer, "doggodogdog", size) == 0);
}
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''

127
tests/test_superblocks.toml Normal file
View File

@@ -0,0 +1,127 @@
[[case]] # simple formatting test
code = '''
lfs2_format(&lfs2, &cfg) => 0;
'''
[[case]] # mount/unmount
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # reentrant format
reentrant = true
code = '''
err = lfs2_mount(&lfs2, &cfg);
if (err) {
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
}
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # invalid mount
code = '''
lfs2_mount(&lfs2, &cfg) => LFS2_ERR_CORRUPT;
'''
[[case]] # expanding superblock
define.LFS2_BLOCK_CYCLES = [32, 33, 1]
define.N = [10, 100, 1000]
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (int i = 0; i < N; i++) {
lfs2_file_open(&lfs2, &file, "dummy",
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_EXCL) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_stat(&lfs2, "dummy", &info) => 0;
assert(strcmp(info.name, "dummy") == 0);
assert(info.type == LFS2_TYPE_REG);
lfs2_remove(&lfs2, "dummy") => 0;
}
lfs2_unmount(&lfs2) => 0;
// one last check after power-cycle
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "dummy",
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_EXCL) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_stat(&lfs2, "dummy", &info) => 0;
assert(strcmp(info.name, "dummy") == 0);
assert(info.type == LFS2_TYPE_REG);
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # expanding superblock with power cycle
define.LFS2_BLOCK_CYCLES = [32, 33, 1]
define.N = [10, 100, 1000]
code = '''
lfs2_format(&lfs2, &cfg) => 0;
for (int i = 0; i < N; i++) {
lfs2_mount(&lfs2, &cfg) => 0;
// remove lingering dummy?
err = lfs2_stat(&lfs2, "dummy", &info);
assert(err == 0 || (err == LFS2_ERR_NOENT && i == 0));
if (!err) {
assert(strcmp(info.name, "dummy") == 0);
assert(info.type == LFS2_TYPE_REG);
lfs2_remove(&lfs2, "dummy") => 0;
}
lfs2_file_open(&lfs2, &file, "dummy",
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_EXCL) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_stat(&lfs2, "dummy", &info) => 0;
assert(strcmp(info.name, "dummy") == 0);
assert(info.type == LFS2_TYPE_REG);
lfs2_unmount(&lfs2) => 0;
}
// one last check after power-cycle
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_stat(&lfs2, "dummy", &info) => 0;
assert(strcmp(info.name, "dummy") == 0);
assert(info.type == LFS2_TYPE_REG);
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # reentrant expanding superblock
define.LFS2_BLOCK_CYCLES = [2, 1]
define.N = 24
reentrant = true
code = '''
err = lfs2_mount(&lfs2, &cfg);
if (err) {
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
}
for (int i = 0; i < N; i++) {
// remove lingering dummy?
err = lfs2_stat(&lfs2, "dummy", &info);
assert(err == 0 || (err == LFS2_ERR_NOENT && i == 0));
if (!err) {
assert(strcmp(info.name, "dummy") == 0);
assert(info.type == LFS2_TYPE_REG);
lfs2_remove(&lfs2, "dummy") => 0;
}
lfs2_file_open(&lfs2, &file, "dummy",
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_EXCL) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_stat(&lfs2, "dummy", &info) => 0;
assert(strcmp(info.name, "dummy") == 0);
assert(info.type == LFS2_TYPE_REG);
}
lfs2_unmount(&lfs2) => 0;
// one last check after power-cycle
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_stat(&lfs2, "dummy", &info) => 0;
assert(strcmp(info.name, "dummy") == 0);
assert(info.type == LFS2_TYPE_REG);
lfs2_unmount(&lfs2) => 0;
'''

355
tests/test_truncate.sh
View File

@@ -1,355 +0,0 @@
#!/bin/bash
set -eu
export TEST_FILE=$0
trap 'export TEST_LINE=$LINENO' DEBUG
echo "=== Truncate tests ==="
SMALLSIZE=32
MEDIUMSIZE=2048
LARGESIZE=8192
rm -rf blocks
scripts/test.py << TEST
lfs2_format(&lfs2, &cfg) => 0;
TEST
echo "--- Simple truncate ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "baldynoop",
LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
strcpy((char*)buffer, "hair");
lfs2_size_t size = strlen((char*)buffer);
for (lfs2_off_t j = 0; j < $LARGESIZE; j += size) {
lfs2_file_write(&lfs2, &file, buffer, size) => size;
}
lfs2_file_size(&lfs2, &file) => $LARGESIZE;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "baldynoop", LFS2_O_RDWR) => 0;
lfs2_file_size(&lfs2, &file) => $LARGESIZE;
lfs2_file_truncate(&lfs2, &file, $MEDIUMSIZE) => 0;
lfs2_file_size(&lfs2, &file) => $MEDIUMSIZE;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "baldynoop", LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => $MEDIUMSIZE;
lfs2_size_t size = strlen("hair");
for (lfs2_off_t j = 0; j < $MEDIUMSIZE; j += size) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "hair", size) => 0;
}
lfs2_file_read(&lfs2, &file, buffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Truncate and read ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "baldyread",
LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
strcpy((char*)buffer, "hair");
lfs2_size_t size = strlen((char*)buffer);
for (lfs2_off_t j = 0; j < $LARGESIZE; j += size) {
lfs2_file_write(&lfs2, &file, buffer, size) => size;
}
lfs2_file_size(&lfs2, &file) => $LARGESIZE;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "baldyread", LFS2_O_RDWR) => 0;
lfs2_file_size(&lfs2, &file) => $LARGESIZE;
lfs2_file_truncate(&lfs2, &file, $MEDIUMSIZE) => 0;
lfs2_file_size(&lfs2, &file) => $MEDIUMSIZE;
lfs2_size_t size = strlen("hair");
for (lfs2_off_t j = 0; j < $MEDIUMSIZE; j += size) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "hair", size) => 0;
}
lfs2_file_read(&lfs2, &file, buffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "baldyread", LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => $MEDIUMSIZE;
lfs2_size_t size = strlen("hair");
for (lfs2_off_t j = 0; j < $MEDIUMSIZE; j += size) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "hair", size) => 0;
}
lfs2_file_read(&lfs2, &file, buffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Write, truncate, and read ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "sequence",
LFS2_O_RDWR | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
lfs2_size_t size = lfs2.cfg->cache_size;
lfs2_size_t qsize = size / 4;
uint8_t *wb = buffer;
uint8_t *rb = buffer + size;
for (lfs2_off_t j = 0; j < size; ++j) {
wb[j] = j;
}
/* Spread sequence over size */
lfs2_file_write(&lfs2, &file, wb, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_tell(&lfs2, &file) => size;
lfs2_file_seek(&lfs2, &file, 0, LFS2_SEEK_SET) => 0;
lfs2_file_tell(&lfs2, &file) => 0;
/* Chop off the last quarter */
lfs2_size_t trunc = size - qsize;
lfs2_file_truncate(&lfs2, &file, trunc) => 0;
lfs2_file_tell(&lfs2, &file) => 0;
lfs2_file_size(&lfs2, &file) => trunc;
/* Read should produce first 3/4 */
lfs2_file_read(&lfs2, &file, rb, size) => trunc;
memcmp(rb, wb, trunc) => 0;
/* Move to 1/4 */
lfs2_file_size(&lfs2, &file) => trunc;
lfs2_file_seek(&lfs2, &file, qsize, LFS2_SEEK_SET) => qsize;
lfs2_file_tell(&lfs2, &file) => qsize;
/* Chop to 1/2 */
trunc -= qsize;
lfs2_file_truncate(&lfs2, &file, trunc) => 0;
lfs2_file_tell(&lfs2, &file) => qsize;
lfs2_file_size(&lfs2, &file) => trunc;
/* Read should produce second quarter */
lfs2_file_read(&lfs2, &file, rb, size) => trunc - qsize;
memcmp(rb, wb + qsize, trunc - qsize) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
echo "--- Truncate and write ---"
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "baldywrite",
LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
strcpy((char*)buffer, "hair");
lfs2_size_t size = strlen((char*)buffer);
for (lfs2_off_t j = 0; j < $LARGESIZE; j += size) {
lfs2_file_write(&lfs2, &file, buffer, size) => size;
}
lfs2_file_size(&lfs2, &file) => $LARGESIZE;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "baldywrite", LFS2_O_RDWR) => 0;
lfs2_file_size(&lfs2, &file) => $LARGESIZE;
lfs2_file_truncate(&lfs2, &file, $MEDIUMSIZE) => 0;
lfs2_file_size(&lfs2, &file) => $MEDIUMSIZE;
strcpy((char*)buffer, "bald");
lfs2_size_t size = strlen((char*)buffer);
for (lfs2_off_t j = 0; j < $MEDIUMSIZE; j += size) {
lfs2_file_write(&lfs2, &file, buffer, size) => size;
}
lfs2_file_size(&lfs2, &file) => $MEDIUMSIZE;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "baldywrite", LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => $MEDIUMSIZE;
lfs2_size_t size = strlen("bald");
for (lfs2_off_t j = 0; j < $MEDIUMSIZE; j += size) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "bald", size) => 0;
}
lfs2_file_read(&lfs2, &file, buffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
TEST
# More aggressive general truncation tests
truncate_test() {
STARTSIZES="$1"
STARTSEEKS="$2"
HOTSIZES="$3"
COLDSIZES="$4"
scripts/test.py << TEST
static const lfs2_off_t startsizes[] = {$STARTSIZES};
static const lfs2_off_t startseeks[] = {$STARTSEEKS};
static const lfs2_off_t hotsizes[] = {$HOTSIZES};
lfs2_mount(&lfs2, &cfg) => 0;
for (unsigned i = 0; i < sizeof(startsizes)/sizeof(startsizes[0]); i++) {
sprintf(path, "hairyhead%d", i);
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
strcpy((char*)buffer, "hair");
lfs2_size_t size = strlen((char*)buffer);
for (lfs2_off_t j = 0; j < startsizes[i]; j += size) {
lfs2_file_write(&lfs2, &file, buffer, size) => size;
}
lfs2_file_size(&lfs2, &file) => startsizes[i];
if (startseeks[i] != startsizes[i]) {
lfs2_file_seek(&lfs2, &file,
startseeks[i], LFS2_SEEK_SET) => startseeks[i];
}
lfs2_file_truncate(&lfs2, &file, hotsizes[i]) => 0;
lfs2_file_size(&lfs2, &file) => hotsizes[i];
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
static const lfs2_off_t startsizes[] = {$STARTSIZES};
static const lfs2_off_t hotsizes[] = {$HOTSIZES};
static const lfs2_off_t coldsizes[] = {$COLDSIZES};
lfs2_mount(&lfs2, &cfg) => 0;
for (unsigned i = 0; i < sizeof(startsizes)/sizeof(startsizes[0]); i++) {
sprintf(path, "hairyhead%d", i);
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDWR) => 0;
lfs2_file_size(&lfs2, &file) => hotsizes[i];
lfs2_size_t size = strlen("hair");
lfs2_off_t j = 0;
for (; j < startsizes[i] && j < hotsizes[i]; j += size) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "hair", size) => 0;
}
for (; j < hotsizes[i]; j += size) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "\0\0\0\0", size) => 0;
}
lfs2_file_truncate(&lfs2, &file, coldsizes[i]) => 0;
lfs2_file_size(&lfs2, &file) => coldsizes[i];
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
TEST
scripts/test.py << TEST
static const lfs2_off_t startsizes[] = {$STARTSIZES};
static const lfs2_off_t hotsizes[] = {$HOTSIZES};
static const lfs2_off_t coldsizes[] = {$COLDSIZES};
lfs2_mount(&lfs2, &cfg) => 0;
for (unsigned i = 0; i < sizeof(startsizes)/sizeof(startsizes[0]); i++) {
sprintf(path, "hairyhead%d", i);
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => coldsizes[i];
lfs2_size_t size = strlen("hair");
lfs2_off_t j = 0;
for (; j < startsizes[i] && j < hotsizes[i] && j < coldsizes[i];
j += size) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "hair", size) => 0;
}
for (; j < coldsizes[i]; j += size) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "\0\0\0\0", size) => 0;
}
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
TEST
}
echo "--- Cold shrinking truncate ---"
truncate_test \
"2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE" \
"2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE" \
"2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE" \
" 0, $SMALLSIZE, $MEDIUMSIZE, $LARGESIZE, 2*$LARGESIZE"
echo "--- Cold expanding truncate ---"
truncate_test \
" 0, $SMALLSIZE, $MEDIUMSIZE, $LARGESIZE, 2*$LARGESIZE" \
" 0, $SMALLSIZE, $MEDIUMSIZE, $LARGESIZE, 2*$LARGESIZE" \
" 0, $SMALLSIZE, $MEDIUMSIZE, $LARGESIZE, 2*$LARGESIZE" \
"2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE"
echo "--- Warm shrinking truncate ---"
truncate_test \
"2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE" \
"2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE" \
" 0, $SMALLSIZE, $MEDIUMSIZE, $LARGESIZE, 2*$LARGESIZE" \
" 0, 0, 0, 0, 0"
echo "--- Warm expanding truncate ---"
truncate_test \
" 0, $SMALLSIZE, $MEDIUMSIZE, $LARGESIZE, 2*$LARGESIZE" \
" 0, $SMALLSIZE, $MEDIUMSIZE, $LARGESIZE, 2*$LARGESIZE" \
"2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE" \
"2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE"
echo "--- Mid-file shrinking truncate ---"
truncate_test \
"2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE" \
" $LARGESIZE, $LARGESIZE, $LARGESIZE, $LARGESIZE, $LARGESIZE" \
" 0, $SMALLSIZE, $MEDIUMSIZE, $LARGESIZE, 2*$LARGESIZE" \
" 0, 0, 0, 0, 0"
echo "--- Mid-file expanding truncate ---"
truncate_test \
" 0, $SMALLSIZE, $MEDIUMSIZE, $LARGESIZE, 2*$LARGESIZE" \
" 0, 0, $SMALLSIZE, $MEDIUMSIZE, $LARGESIZE" \
"2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE" \
"2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE, 2*$LARGESIZE"
scripts/results.py

394
tests/test_truncate.toml Normal file
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[[case]] # simple truncate
define.MEDIUMSIZE = [32, 2048]
define.LARGESIZE = 8192
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "baldynoop",
LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
strcpy((char*)buffer, "hair");
size = strlen((char*)buffer);
for (lfs2_off_t j = 0; j < LARGESIZE; j += size) {
lfs2_file_write(&lfs2, &file, buffer, size) => size;
}
lfs2_file_size(&lfs2, &file) => LARGESIZE;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "baldynoop", LFS2_O_RDWR) => 0;
lfs2_file_size(&lfs2, &file) => LARGESIZE;
lfs2_file_truncate(&lfs2, &file, MEDIUMSIZE) => 0;
lfs2_file_size(&lfs2, &file) => MEDIUMSIZE;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "baldynoop", LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => MEDIUMSIZE;
size = strlen("hair");
for (lfs2_off_t j = 0; j < MEDIUMSIZE; j += size) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "hair", size) => 0;
}
lfs2_file_read(&lfs2, &file, buffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # truncate and read
define.MEDIUMSIZE = [32, 2048]
define.LARGESIZE = 8192
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "baldyread",
LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
strcpy((char*)buffer, "hair");
size = strlen((char*)buffer);
for (lfs2_off_t j = 0; j < LARGESIZE; j += size) {
lfs2_file_write(&lfs2, &file, buffer, size) => size;
}
lfs2_file_size(&lfs2, &file) => LARGESIZE;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "baldyread", LFS2_O_RDWR) => 0;
lfs2_file_size(&lfs2, &file) => LARGESIZE;
lfs2_file_truncate(&lfs2, &file, MEDIUMSIZE) => 0;
lfs2_file_size(&lfs2, &file) => MEDIUMSIZE;
size = strlen("hair");
for (lfs2_off_t j = 0; j < MEDIUMSIZE; j += size) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "hair", size) => 0;
}
lfs2_file_read(&lfs2, &file, buffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "baldyread", LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => MEDIUMSIZE;
size = strlen("hair");
for (lfs2_off_t j = 0; j < MEDIUMSIZE; j += size) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "hair", size) => 0;
}
lfs2_file_read(&lfs2, &file, buffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # write, truncate, and read
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "sequence",
LFS2_O_RDWR | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
size = lfs2_min(lfs2.cfg->cache_size, sizeof(buffer)/2);
lfs2_size_t qsize = size / 4;
uint8_t *wb = buffer;
uint8_t *rb = buffer + size;
for (lfs2_off_t j = 0; j < size; ++j) {
wb[j] = j;
}
/* Spread sequence over size */
lfs2_file_write(&lfs2, &file, wb, size) => size;
lfs2_file_size(&lfs2, &file) => size;
lfs2_file_tell(&lfs2, &file) => size;
lfs2_file_seek(&lfs2, &file, 0, LFS2_SEEK_SET) => 0;
lfs2_file_tell(&lfs2, &file) => 0;
/* Chop off the last quarter */
lfs2_size_t trunc = size - qsize;
lfs2_file_truncate(&lfs2, &file, trunc) => 0;
lfs2_file_tell(&lfs2, &file) => 0;
lfs2_file_size(&lfs2, &file) => trunc;
/* Read should produce first 3/4 */
lfs2_file_read(&lfs2, &file, rb, size) => trunc;
memcmp(rb, wb, trunc) => 0;
/* Move to 1/4 */
lfs2_file_size(&lfs2, &file) => trunc;
lfs2_file_seek(&lfs2, &file, qsize, LFS2_SEEK_SET) => qsize;
lfs2_file_tell(&lfs2, &file) => qsize;
/* Chop to 1/2 */
trunc -= qsize;
lfs2_file_truncate(&lfs2, &file, trunc) => 0;
lfs2_file_tell(&lfs2, &file) => qsize;
lfs2_file_size(&lfs2, &file) => trunc;
/* Read should produce second quarter */
lfs2_file_read(&lfs2, &file, rb, size) => trunc - qsize;
memcmp(rb, wb + qsize, trunc - qsize) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # truncate and write
define.MEDIUMSIZE = [32, 2048]
define.LARGESIZE = 8192
code = '''
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "baldywrite",
LFS2_O_WRONLY | LFS2_O_CREAT) => 0;
strcpy((char*)buffer, "hair");
size = strlen((char*)buffer);
for (lfs2_off_t j = 0; j < LARGESIZE; j += size) {
lfs2_file_write(&lfs2, &file, buffer, size) => size;
}
lfs2_file_size(&lfs2, &file) => LARGESIZE;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "baldywrite", LFS2_O_RDWR) => 0;
lfs2_file_size(&lfs2, &file) => LARGESIZE;
lfs2_file_truncate(&lfs2, &file, MEDIUMSIZE) => 0;
lfs2_file_size(&lfs2, &file) => MEDIUMSIZE;
strcpy((char*)buffer, "bald");
size = strlen((char*)buffer);
for (lfs2_off_t j = 0; j < MEDIUMSIZE; j += size) {
lfs2_file_write(&lfs2, &file, buffer, size) => size;
}
lfs2_file_size(&lfs2, &file) => MEDIUMSIZE;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
lfs2_file_open(&lfs2, &file, "baldywrite", LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => MEDIUMSIZE;
size = strlen("bald");
for (lfs2_off_t j = 0; j < MEDIUMSIZE; j += size) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "bald", size) => 0;
}
lfs2_file_read(&lfs2, &file, buffer, size) => 0;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # truncate write under powerloss
define.SMALLSIZE = [4, 512]
define.MEDIUMSIZE = [32, 1024]
define.LARGESIZE = 2048
reentrant = true
code = '''
err = lfs2_mount(&lfs2, &cfg);
if (err) {
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
}
err = lfs2_file_open(&lfs2, &file, "baldy", LFS2_O_RDONLY);
assert(!err || err == LFS2_ERR_NOENT);
if (!err) {
size = lfs2_file_size(&lfs2, &file);
assert(size == 0 ||
size == LARGESIZE ||
size == MEDIUMSIZE ||
size == SMALLSIZE);
for (lfs2_off_t j = 0; j < size; j += 4) {
lfs2_file_read(&lfs2, &file, buffer, 4) => 4;
assert(memcmp(buffer, "hair", 4) == 0 ||
memcmp(buffer, "bald", 4) == 0 ||
memcmp(buffer, "comb", 4) == 0);
}
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_file_open(&lfs2, &file, "baldy",
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
lfs2_file_size(&lfs2, &file) => 0;
strcpy((char*)buffer, "hair");
size = strlen((char*)buffer);
for (lfs2_off_t j = 0; j < LARGESIZE; j += size) {
lfs2_file_write(&lfs2, &file, buffer, size) => size;
}
lfs2_file_size(&lfs2, &file) => LARGESIZE;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_file_open(&lfs2, &file, "baldy", LFS2_O_RDWR) => 0;
lfs2_file_size(&lfs2, &file) => LARGESIZE;
lfs2_file_truncate(&lfs2, &file, MEDIUMSIZE) => 0;
lfs2_file_size(&lfs2, &file) => MEDIUMSIZE;
strcpy((char*)buffer, "bald");
size = strlen((char*)buffer);
for (lfs2_off_t j = 0; j < MEDIUMSIZE; j += size) {
lfs2_file_write(&lfs2, &file, buffer, size) => size;
}
lfs2_file_size(&lfs2, &file) => MEDIUMSIZE;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_file_open(&lfs2, &file, "baldy", LFS2_O_RDWR) => 0;
lfs2_file_size(&lfs2, &file) => MEDIUMSIZE;
lfs2_file_truncate(&lfs2, &file, SMALLSIZE) => 0;
lfs2_file_size(&lfs2, &file) => SMALLSIZE;
strcpy((char*)buffer, "comb");
size = strlen((char*)buffer);
for (lfs2_off_t j = 0; j < SMALLSIZE; j += size) {
lfs2_file_write(&lfs2, &file, buffer, size) => size;
}
lfs2_file_size(&lfs2, &file) => SMALLSIZE;
lfs2_file_close(&lfs2, &file) => 0;
lfs2_unmount(&lfs2) => 0;
'''
[[case]] # more aggressive general truncation tests
define.CONFIG = 'range(6)'
define.SMALLSIZE = 32
define.MEDIUMSIZE = 2048
define.LARGESIZE = 8192
code = '''
#define COUNT 5
const struct {
lfs2_off_t startsizes[COUNT];
lfs2_off_t startseeks[COUNT];
lfs2_off_t hotsizes[COUNT];
lfs2_off_t coldsizes[COUNT];
} configs[] = {
// cold shrinking
{{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
{ 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE}},
// cold expanding
{{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
{ 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE}},
// warm shrinking truncate
{{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
{ 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE},
{ 0, 0, 0, 0, 0}},
// warm expanding truncate
{{ 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE},
{ 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE},
{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE}},
// mid-file shrinking truncate
{{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
{ LARGESIZE, LARGESIZE, LARGESIZE, LARGESIZE, LARGESIZE},
{ 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE},
{ 0, 0, 0, 0, 0}},
// mid-file expanding truncate
{{ 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE},
{ 0, 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE},
{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE}},
};
const lfs2_off_t *startsizes = configs[CONFIG].startsizes;
const lfs2_off_t *startseeks = configs[CONFIG].startseeks;
const lfs2_off_t *hotsizes = configs[CONFIG].hotsizes;
const lfs2_off_t *coldsizes = configs[CONFIG].coldsizes;
lfs2_format(&lfs2, &cfg) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (unsigned i = 0; i < COUNT; i++) {
sprintf(path, "hairyhead%d", i);
lfs2_file_open(&lfs2, &file, path,
LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_TRUNC) => 0;
strcpy((char*)buffer, "hair");
size = strlen((char*)buffer);
for (lfs2_off_t j = 0; j < startsizes[i]; j += size) {
lfs2_file_write(&lfs2, &file, buffer, size) => size;
}
lfs2_file_size(&lfs2, &file) => startsizes[i];
if (startseeks[i] != startsizes[i]) {
lfs2_file_seek(&lfs2, &file,
startseeks[i], LFS2_SEEK_SET) => startseeks[i];
}
lfs2_file_truncate(&lfs2, &file, hotsizes[i]) => 0;
lfs2_file_size(&lfs2, &file) => hotsizes[i];
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (unsigned i = 0; i < COUNT; i++) {
sprintf(path, "hairyhead%d", i);
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDWR) => 0;
lfs2_file_size(&lfs2, &file) => hotsizes[i];
size = strlen("hair");
lfs2_off_t j = 0;
for (; j < startsizes[i] && j < hotsizes[i]; j += size) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "hair", size) => 0;
}
for (; j < hotsizes[i]; j += size) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "\0\0\0\0", size) => 0;
}
lfs2_file_truncate(&lfs2, &file, coldsizes[i]) => 0;
lfs2_file_size(&lfs2, &file) => coldsizes[i];
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
lfs2_mount(&lfs2, &cfg) => 0;
for (unsigned i = 0; i < COUNT; i++) {
sprintf(path, "hairyhead%d", i);
lfs2_file_open(&lfs2, &file, path, LFS2_O_RDONLY) => 0;
lfs2_file_size(&lfs2, &file) => coldsizes[i];
size = strlen("hair");
lfs2_off_t j = 0;
for (; j < startsizes[i] && j < hotsizes[i] && j < coldsizes[i];
j += size) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "hair", size) => 0;
}
for (; j < coldsizes[i]; j += size) {
lfs2_file_read(&lfs2, &file, buffer, size) => size;
memcmp(buffer, "\0\0\0\0", size) => 0;
}
lfs2_file_close(&lfs2, &file) => 0;
}
lfs2_unmount(&lfs2) => 0;
'''