Files
thirdparty-littlefs/tests/test_alloc.sh
Christopher Haster 72e3bb4448 Refactored a handful of things in tests
- Now test errors have correct line reporting! #line directives
  are passed to the compiler that reference the relevant line in
  the test case shell script.

  --- Multi-block directory ---
  ./tests/test_dirs.sh:109: assert failed with 0, expected 1
      lfs_unmount(&lfs) => 1

- Cleaned up the number of implicit global variables provided to
  tests. A lot of these were infrequently used and made it difficult
  to remember what was provided. This isn't an MCU, so there's very
  little cost to stack allocations when needed.

- Minimized the results.py script (previously stats.py) output to
  match minimization of test output.
2019-07-26 11:11:34 -05:00

485 lines
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Executable File

#!/bin/bash
set -euE
export TEST_FILE=$0
trap 'export TEST_LINE=$LINENO' DEBUG
echo "=== Allocator tests ==="
rm -rf blocks
scripts/test.py << TEST
lfs_format(&lfs, &cfg) => 0;
TEST
SIZE=15000
lfs_mkdir() {
scripts/test.py << TEST
lfs_mount(&lfs, &cfg) => 0;
lfs_mkdir(&lfs, "$1") => 0;
lfs_unmount(&lfs) => 0;
TEST
}
lfs_remove() {
scripts/test.py << TEST
lfs_mount(&lfs, &cfg) => 0;
lfs_remove(&lfs, "$1/eggs") => 0;
lfs_remove(&lfs, "$1/bacon") => 0;
lfs_remove(&lfs, "$1/pancakes") => 0;
lfs_remove(&lfs, "$1") => 0;
lfs_unmount(&lfs) => 0;
TEST
}
lfs_alloc_singleproc() {
scripts/test.py << TEST
const char *names[] = {"bacon", "eggs", "pancakes"};
lfs_file_t files[sizeof(names)/sizeof(names[0])];
lfs_mount(&lfs, &cfg) => 0;
for (unsigned n = 0; n < sizeof(names)/sizeof(names[0]); n++) {
sprintf(path, "$1/%s", names[n]);
lfs_file_open(&lfs, &files[n], path,
LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
}
for (unsigned n = 0; n < sizeof(names)/sizeof(names[0]); n++) {
lfs_size_t size = strlen(names[n]);
for (int i = 0; i < $SIZE; i++) {
lfs_file_write(&lfs, &files[n], names[n], size) => size;
}
}
for (unsigned n = 0; n < sizeof(names)/sizeof(names[0]); n++) {
lfs_file_close(&lfs, &files[n]) => 0;
}
lfs_unmount(&lfs) => 0;
TEST
}
lfs_alloc_multiproc() {
for name in bacon eggs pancakes
do
scripts/test.py << TEST
lfs_mount(&lfs, &cfg) => 0;
lfs_file_open(&lfs, &file, "$1/$name",
LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
lfs_size_t size = strlen("$name");
memcpy(buffer, "$name", size);
for (int i = 0; i < $SIZE; i++) {
lfs_file_write(&lfs, &file, buffer, size) => size;
}
lfs_file_close(&lfs, &file) => 0;
lfs_unmount(&lfs) => 0;
TEST
done
}
lfs_verify() {
for name in bacon eggs pancakes
do
scripts/test.py << TEST
lfs_mount(&lfs, &cfg) => 0;
lfs_file_open(&lfs, &file, "$1/$name", LFS_O_RDONLY) => 0;
lfs_size_t size = strlen("$name");
for (int i = 0; i < $SIZE; i++) {
lfs_file_read(&lfs, &file, buffer, size) => size;
memcmp(buffer, "$name", size) => 0;
}
lfs_file_close(&lfs, &file) => 0;
lfs_unmount(&lfs) => 0;
TEST
done
}
echo "--- Single-process allocation test ---"
lfs_mkdir singleproc
lfs_alloc_singleproc singleproc
lfs_verify singleproc
echo "--- Multi-process allocation test ---"
lfs_mkdir multiproc
lfs_alloc_multiproc multiproc
lfs_verify multiproc
lfs_verify singleproc
echo "--- Single-process reuse test ---"
lfs_remove singleproc
lfs_mkdir singleprocreuse
lfs_alloc_singleproc singleprocreuse
lfs_verify singleprocreuse
lfs_verify multiproc
echo "--- Multi-process reuse test ---"
lfs_remove multiproc
lfs_mkdir multiprocreuse
lfs_alloc_singleproc multiprocreuse
lfs_verify multiprocreuse
lfs_verify singleprocreuse
echo "--- Cleanup ---"
lfs_remove multiprocreuse
lfs_remove singleprocreuse
echo "--- Exhaustion test ---"
scripts/test.py << TEST
lfs_mount(&lfs, &cfg) => 0;
lfs_file_open(&lfs, &file, "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
lfs_size_t size = strlen("exhaustion");
memcpy(buffer, "exhaustion", size);
lfs_file_write(&lfs, &file, buffer, size) => size;
lfs_file_sync(&lfs, &file) => 0;
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
lfs_ssize_t res;
while (true) {
res = lfs_file_write(&lfs, &file, buffer, size);
if (res < 0) {
break;
}
res => size;
}
res => LFS_ERR_NOSPC;
lfs_file_close(&lfs, &file) => 0;
lfs_unmount(&lfs) => 0;
TEST
scripts/test.py << TEST
lfs_mount(&lfs, &cfg) => 0;
lfs_file_open(&lfs, &file, "exhaustion", LFS_O_RDONLY);
lfs_size_t size = strlen("exhaustion");
lfs_file_size(&lfs, &file) => size;
lfs_file_read(&lfs, &file, buffer, size) => size;
memcmp(buffer, "exhaustion", size) => 0;
lfs_file_close(&lfs, &file) => 0;
lfs_unmount(&lfs) => 0;
TEST
echo "--- Exhaustion wraparound test ---"
scripts/test.py << TEST
lfs_mount(&lfs, &cfg) => 0;
lfs_remove(&lfs, "exhaustion") => 0;
lfs_file_open(&lfs, &file, "padding", LFS_O_WRONLY | LFS_O_CREAT);
lfs_size_t size = strlen("buffering");
memcpy(buffer, "buffering", size);
for (int i = 0; i < $SIZE; i++) {
lfs_file_write(&lfs, &file, buffer, size) => size;
}
lfs_file_close(&lfs, &file) => 0;
lfs_remove(&lfs, "padding") => 0;
lfs_file_open(&lfs, &file, "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
size = strlen("exhaustion");
memcpy(buffer, "exhaustion", size);
lfs_file_write(&lfs, &file, buffer, size) => size;
lfs_file_sync(&lfs, &file) => 0;
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
lfs_ssize_t res;
while (true) {
res = lfs_file_write(&lfs, &file, buffer, size);
if (res < 0) {
break;
}
res => size;
}
res => LFS_ERR_NOSPC;
lfs_file_close(&lfs, &file) => 0;
lfs_unmount(&lfs) => 0;
TEST
scripts/test.py << TEST
lfs_mount(&lfs, &cfg) => 0;
lfs_file_open(&lfs, &file, "exhaustion", LFS_O_RDONLY);
lfs_size_t size = strlen("exhaustion");
lfs_file_size(&lfs, &file) => size;
lfs_file_read(&lfs, &file, buffer, size) => size;
memcmp(buffer, "exhaustion", size) => 0;
lfs_file_close(&lfs, &file) => 0;
lfs_remove(&lfs, "exhaustion") => 0;
lfs_unmount(&lfs) => 0;
TEST
echo "--- Dir exhaustion test ---"
scripts/test.py << TEST
lfs_mount(&lfs, &cfg) => 0;
// find out max file size
lfs_mkdir(&lfs, "exhaustiondir") => 0;
lfs_size_t size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
lfs_file_open(&lfs, &file, "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
int count = 0;
int err;
while (true) {
err = lfs_file_write(&lfs, &file, buffer, size);
if (err < 0) {
break;
}
count += 1;
}
err => LFS_ERR_NOSPC;
lfs_file_close(&lfs, &file) => 0;
lfs_remove(&lfs, "exhaustion") => 0;
lfs_remove(&lfs, "exhaustiondir") => 0;
// see if dir fits with max file size
lfs_file_open(&lfs, &file, "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
for (int i = 0; i < count; i++) {
lfs_file_write(&lfs, &file, buffer, size) => size;
}
lfs_file_close(&lfs, &file) => 0;
lfs_mkdir(&lfs, "exhaustiondir") => 0;
lfs_remove(&lfs, "exhaustiondir") => 0;
lfs_remove(&lfs, "exhaustion") => 0;
// see if dir fits with > max file size
lfs_file_open(&lfs, &file, "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
for (int i = 0; i < count+1; i++) {
lfs_file_write(&lfs, &file, buffer, size) => size;
}
lfs_file_close(&lfs, &file) => 0;
lfs_mkdir(&lfs, "exhaustiondir") => LFS_ERR_NOSPC;
lfs_remove(&lfs, "exhaustion") => 0;
lfs_unmount(&lfs) => 0;
TEST
echo "--- Chained dir exhaustion test ---"
scripts/test.py << TEST
lfs_mount(&lfs, &cfg) => 0;
// find out max file size
lfs_mkdir(&lfs, "exhaustiondir") => 0;
for (int i = 0; i < 10; i++) {
sprintf(path, "dirwithanexhaustivelylongnameforpadding%d", i);
lfs_mkdir(&lfs, path) => 0;
}
lfs_size_t size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
lfs_file_open(&lfs, &file, "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
int count = 0;
int err;
while (true) {
err = lfs_file_write(&lfs, &file, buffer, size);
if (err < 0) {
break;
}
count += 1;
}
err => LFS_ERR_NOSPC;
lfs_file_close(&lfs, &file) => 0;
lfs_remove(&lfs, "exhaustion") => 0;
lfs_remove(&lfs, "exhaustiondir") => 0;
for (int i = 0; i < 10; i++) {
sprintf(path, "dirwithanexhaustivelylongnameforpadding%d", i);
lfs_remove(&lfs, path) => 0;
}
// see that chained dir fails
lfs_file_open(&lfs, &file, "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
for (int i = 0; i < count+1; i++) {
lfs_file_write(&lfs, &file, buffer, size) => size;
}
lfs_file_sync(&lfs, &file) => 0;
for (int i = 0; i < 10; i++) {
sprintf(path, "dirwithanexhaustivelylongnameforpadding%d", i);
lfs_mkdir(&lfs, path) => 0;
}
lfs_mkdir(&lfs, "exhaustiondir") => LFS_ERR_NOSPC;
// shorten file to try a second chained dir
while (true) {
err = lfs_mkdir(&lfs, "exhaustiondir");
if (err != LFS_ERR_NOSPC) {
break;
}
lfs_ssize_t filesize = lfs_file_size(&lfs, &file);
filesize > 0 => true;
lfs_file_truncate(&lfs, &file, filesize - size) => 0;
lfs_file_sync(&lfs, &file) => 0;
}
err => 0;
lfs_mkdir(&lfs, "exhaustiondir2") => LFS_ERR_NOSPC;
lfs_file_close(&lfs, &file) => 0;
lfs_unmount(&lfs) => 0;
TEST
echo "--- Split dir test ---"
scripts/test.py << TEST
lfs_format(&lfs, &cfg) => 0;
TEST
scripts/test.py << TEST
lfs_mount(&lfs, &cfg) => 0;
// create one block hole for half a directory
lfs_file_open(&lfs, &file, "bump", LFS_O_WRONLY | LFS_O_CREAT) => 0;
for (lfs_size_t i = 0; i < cfg.block_size; i += 2) {
memcpy(&buffer[i], "hi", 2);
}
lfs_file_write(&lfs, &file, buffer, cfg.block_size) => cfg.block_size;
lfs_file_close(&lfs, &file) => 0;
lfs_file_open(&lfs, &file, "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
lfs_size_t size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
for (lfs_size_t i = 0;
i < (cfg.block_count-4)*(cfg.block_size-8);
i += size) {
lfs_file_write(&lfs, &file, buffer, size) => size;
}
lfs_file_close(&lfs, &file) => 0;
// remount to force reset of lookahead
lfs_unmount(&lfs) => 0;
lfs_mount(&lfs, &cfg) => 0;
// open hole
lfs_remove(&lfs, "bump") => 0;
lfs_mkdir(&lfs, "splitdir") => 0;
lfs_file_open(&lfs, &file, "splitdir/bump",
LFS_O_WRONLY | LFS_O_CREAT) => 0;
for (lfs_size_t i = 0; i < cfg.block_size; i += 2) {
memcpy(&buffer[i], "hi", 2);
}
lfs_file_write(&lfs, &file, buffer, 2*cfg.block_size) => LFS_ERR_NOSPC;
lfs_file_close(&lfs, &file) => 0;
lfs_unmount(&lfs) => 0;
TEST
echo "--- Outdated lookahead test ---"
scripts/test.py << TEST
lfs_format(&lfs, &cfg) => 0;
lfs_mount(&lfs, &cfg) => 0;
// fill completely with two files
lfs_file_open(&lfs, &file, "exhaustion1",
LFS_O_WRONLY | LFS_O_CREAT) => 0;
lfs_size_t size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
for (lfs_size_t i = 0;
i < ((cfg.block_count-2)/2)*(cfg.block_size-8);
i += size) {
lfs_file_write(&lfs, &file, buffer, size) => size;
}
lfs_file_close(&lfs, &file) => 0;
lfs_file_open(&lfs, &file, "exhaustion2",
LFS_O_WRONLY | LFS_O_CREAT) => 0;
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
for (lfs_size_t i = 0;
i < ((cfg.block_count-2+1)/2)*(cfg.block_size-8);
i += size) {
lfs_file_write(&lfs, &file, buffer, size) => size;
}
lfs_file_close(&lfs, &file) => 0;
// remount to force reset of lookahead
lfs_unmount(&lfs) => 0;
lfs_mount(&lfs, &cfg) => 0;
// rewrite one file
lfs_file_open(&lfs, &file, "exhaustion1",
LFS_O_WRONLY | LFS_O_TRUNC) => 0;
lfs_file_sync(&lfs, &file) => 0;
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
for (lfs_size_t i = 0;
i < ((cfg.block_count-2)/2)*(cfg.block_size-8);
i += size) {
lfs_file_write(&lfs, &file, buffer, size) => size;
}
lfs_file_close(&lfs, &file) => 0;
// rewrite second file, this requires lookahead does not
// use old population
lfs_file_open(&lfs, &file, "exhaustion2",
LFS_O_WRONLY | LFS_O_TRUNC) => 0;
lfs_file_sync(&lfs, &file) => 0;
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
for (lfs_size_t i = 0;
i < ((cfg.block_count-2+1)/2)*(cfg.block_size-8);
i += size) {
lfs_file_write(&lfs, &file, buffer, size) => size;
}
lfs_file_close(&lfs, &file) => 0;
TEST
echo "--- Outdated lookahead and split dir test ---"
scripts/test.py << TEST
lfs_format(&lfs, &cfg) => 0;
lfs_mount(&lfs, &cfg) => 0;
// fill completely with two files
lfs_file_open(&lfs, &file, "exhaustion1",
LFS_O_WRONLY | LFS_O_CREAT) => 0;
lfs_size_t size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
for (lfs_size_t i = 0;
i < ((cfg.block_count-2)/2)*(cfg.block_size-8);
i += size) {
lfs_file_write(&lfs, &file, buffer, size) => size;
}
lfs_file_close(&lfs, &file) => 0;
lfs_file_open(&lfs, &file, "exhaustion2",
LFS_O_WRONLY | LFS_O_CREAT) => 0;
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
for (lfs_size_t i = 0;
i < ((cfg.block_count-2+1)/2)*(cfg.block_size-8);
i += size) {
lfs_file_write(&lfs, &file, buffer, size) => size;
}
lfs_file_close(&lfs, &file) => 0;
// remount to force reset of lookahead
lfs_unmount(&lfs) => 0;
lfs_mount(&lfs, &cfg) => 0;
// rewrite one file with a hole of one block
lfs_file_open(&lfs, &file, "exhaustion1",
LFS_O_WRONLY | LFS_O_TRUNC) => 0;
lfs_file_sync(&lfs, &file) => 0;
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
for (lfs_size_t i = 0;
i < ((cfg.block_count-2)/2 - 1)*(cfg.block_size-8);
i += size) {
lfs_file_write(&lfs, &file, buffer, size) => size;
}
lfs_file_close(&lfs, &file) => 0;
// try to allocate a directory, should fail!
lfs_mkdir(&lfs, "split") => LFS_ERR_NOSPC;
// file should not fail
lfs_file_open(&lfs, &file, "notasplit",
LFS_O_WRONLY | LFS_O_CREAT) => 0;
lfs_file_write(&lfs, &file, "hi", 2) => 2;
lfs_file_close(&lfs, &file) => 0;
lfs_unmount(&lfs) => 0;
TEST
scripts/results.py