mirror of
				https://github.com/eledio-devices/thirdparty-littlefs.git
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	The cause was mistakenly setting file->ctz.size directly instead of file->pos, which file->ctz.size gets overwritten with later in lfs_file_flush. Also added better seek test cases specifically for inline files. This should also catch most of the inline corner cases related to lfs_file_size/lfs_file_tell. Found by ebinans
		
			
				
	
	
		
			420 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			420 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
| #!/bin/bash
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| set -eu
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| 
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| SMALLSIZE=4
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| MEDIUMSIZE=128
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| LARGESIZE=132
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| 
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| echo "=== Seek tests ==="
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| rm -rf blocks
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| tests/test.py << TEST
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|     lfs_format(&lfs, &cfg) => 0;
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|     lfs_mount(&lfs, &cfg) => 0;
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|     lfs_mkdir(&lfs, "hello") => 0;
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|     for (int i = 0; i < $LARGESIZE; i++) {
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|         sprintf((char*)buffer, "hello/kitty%03d", i);
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|         lfs_file_open(&lfs, &file[0], (char*)buffer,
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|                 LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
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| 
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|         size = strlen("kittycatcat");
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|         memcpy(buffer, "kittycatcat", size);
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|         for (int j = 0; j < $LARGESIZE; j++) {
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|             lfs_file_write(&lfs, &file[0], buffer, size);
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|         }
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| 
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|         lfs_file_close(&lfs, &file[0]) => 0;
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|     }
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|     lfs_unmount(&lfs) => 0;
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| TEST
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| 
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| echo "--- Simple dir seek ---"
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| tests/test.py << TEST
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|     lfs_mount(&lfs, &cfg) => 0;
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|     lfs_dir_open(&lfs, &dir[0], "hello") => 0;
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|     lfs_dir_read(&lfs, &dir[0], &info) => 1;
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|     strcmp(info.name, ".") => 0;
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|     lfs_dir_read(&lfs, &dir[0], &info) => 1;
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|     strcmp(info.name, "..") => 0;
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| 
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|     lfs_soff_t pos;
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|     int i;
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|     for (i = 0; i < $SMALLSIZE; i++) {
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|         sprintf((char*)buffer, "kitty%03d", i);
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|         lfs_dir_read(&lfs, &dir[0], &info) => 1;
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|         strcmp(info.name, (char*)buffer) => 0;
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|         pos = lfs_dir_tell(&lfs, &dir[0]);
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|     }
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|     pos >= 0 => 1;
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| 
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|     lfs_dir_seek(&lfs, &dir[0], pos) => 0;
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|     sprintf((char*)buffer, "kitty%03d", i);
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|     lfs_dir_read(&lfs, &dir[0], &info) => 1;
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|     strcmp(info.name, (char*)buffer) => 0;
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| 
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|     lfs_dir_rewind(&lfs, &dir[0]) => 0;
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|     sprintf((char*)buffer, "kitty%03d", 0);
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|     lfs_dir_read(&lfs, &dir[0], &info) => 1;
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|     strcmp(info.name, ".") => 0;
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|     lfs_dir_read(&lfs, &dir[0], &info) => 1;
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|     strcmp(info.name, "..") => 0;
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|     lfs_dir_read(&lfs, &dir[0], &info) => 1;
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|     strcmp(info.name, (char*)buffer) => 0;
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| 
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|     lfs_dir_seek(&lfs, &dir[0], pos) => 0;
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|     sprintf((char*)buffer, "kitty%03d", i);
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|     lfs_dir_read(&lfs, &dir[0], &info) => 1;
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|     strcmp(info.name, (char*)buffer) => 0;
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| 
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|     lfs_dir_close(&lfs, &dir[0]) => 0;
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|     lfs_unmount(&lfs) => 0;
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| TEST
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| 
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| echo "--- Large dir seek ---"
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| tests/test.py << TEST
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|     lfs_mount(&lfs, &cfg) => 0;
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|     lfs_dir_open(&lfs, &dir[0], "hello") => 0;
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|     lfs_dir_read(&lfs, &dir[0], &info) => 1;
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|     strcmp(info.name, ".") => 0;
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|     lfs_dir_read(&lfs, &dir[0], &info) => 1;
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|     strcmp(info.name, "..") => 0;
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| 
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|     lfs_soff_t pos;
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|     int i;
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|     for (i = 0; i < $MEDIUMSIZE; i++) {
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|         sprintf((char*)buffer, "kitty%03d", i);
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|         lfs_dir_read(&lfs, &dir[0], &info) => 1;
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|         strcmp(info.name, (char*)buffer) => 0;
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|         pos = lfs_dir_tell(&lfs, &dir[0]);
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|     }
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|     pos >= 0 => 1;
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| 
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|     lfs_dir_seek(&lfs, &dir[0], pos) => 0;
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|     sprintf((char*)buffer, "kitty%03d", i);
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|     lfs_dir_read(&lfs, &dir[0], &info) => 1;
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|     strcmp(info.name, (char*)buffer) => 0;
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| 
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|     lfs_dir_rewind(&lfs, &dir[0]) => 0;
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|     sprintf((char*)buffer, "kitty%03d", 0);
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|     lfs_dir_read(&lfs, &dir[0], &info) => 1;
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|     strcmp(info.name, ".") => 0;
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|     lfs_dir_read(&lfs, &dir[0], &info) => 1;
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|     strcmp(info.name, "..") => 0;
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|     lfs_dir_read(&lfs, &dir[0], &info) => 1;
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|     strcmp(info.name, (char*)buffer) => 0;
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| 
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|     lfs_dir_seek(&lfs, &dir[0], pos) => 0;
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|     sprintf((char*)buffer, "kitty%03d", i);
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|     lfs_dir_read(&lfs, &dir[0], &info) => 1;
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|     strcmp(info.name, (char*)buffer) => 0;
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| 
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|     lfs_dir_close(&lfs, &dir[0]) => 0;
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|     lfs_unmount(&lfs) => 0;
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| TEST
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| 
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| echo "--- Simple file seek ---"
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| tests/test.py << TEST
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|     lfs_mount(&lfs, &cfg) => 0;
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|     lfs_file_open(&lfs, &file[0], "hello/kitty042", LFS_O_RDONLY) => 0;
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| 
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|     lfs_soff_t pos;
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|     size = strlen("kittycatcat");
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|     for (int i = 0; i < $SMALLSIZE; i++) {
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|         lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|         memcmp(buffer, "kittycatcat", size) => 0;
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|         pos = lfs_file_tell(&lfs, &file[0]);
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|     }
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|     pos >= 0 => 1;
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| 
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|     lfs_file_seek(&lfs, &file[0], pos, LFS_SEEK_SET) => pos;
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|     lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|     memcmp(buffer, "kittycatcat", size) => 0;
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| 
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|     lfs_file_rewind(&lfs, &file[0]) => 0;
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|     lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|     memcmp(buffer, "kittycatcat", size) => 0;
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| 
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|     lfs_file_seek(&lfs, &file[0], 0, LFS_SEEK_CUR) => size;
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|     lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|     memcmp(buffer, "kittycatcat", size) => 0;
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| 
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|     lfs_file_seek(&lfs, &file[0], size, LFS_SEEK_CUR) => 3*size;
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|     lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|     memcmp(buffer, "kittycatcat", size) => 0;
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| 
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|     lfs_file_seek(&lfs, &file[0], pos, LFS_SEEK_SET) => pos;
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|     lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|     memcmp(buffer, "kittycatcat", size) => 0;
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| 
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|     lfs_file_seek(&lfs, &file[0], -size, LFS_SEEK_CUR) => pos;
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|     lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|     memcmp(buffer, "kittycatcat", size) => 0;
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| 
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|     lfs_file_seek(&lfs, &file[0], -size, LFS_SEEK_END) >= 0 => 1;
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|     lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|     memcmp(buffer, "kittycatcat", size) => 0;
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| 
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|     size = lfs_file_size(&lfs, &file[0]);
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|     lfs_file_seek(&lfs, &file[0], 0, LFS_SEEK_CUR) => size;
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| 
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|     lfs_file_close(&lfs, &file[0]) => 0;
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|     lfs_unmount(&lfs) => 0;
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| TEST
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| 
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| echo "--- Large file seek ---"
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| tests/test.py << TEST
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|     lfs_mount(&lfs, &cfg) => 0;
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|     lfs_file_open(&lfs, &file[0], "hello/kitty042", LFS_O_RDONLY) => 0;
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| 
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|     lfs_soff_t pos;
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|     size = strlen("kittycatcat");
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|     for (int i = 0; i < $MEDIUMSIZE; i++) {
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|         lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|         memcmp(buffer, "kittycatcat", size) => 0;
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|         pos = lfs_file_tell(&lfs, &file[0]);
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|     }
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|     pos >= 0 => 1;
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| 
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|     lfs_file_seek(&lfs, &file[0], pos, LFS_SEEK_SET) => pos;
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|     lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|     memcmp(buffer, "kittycatcat", size) => 0;
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| 
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|     lfs_file_rewind(&lfs, &file[0]) => 0;
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|     lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|     memcmp(buffer, "kittycatcat", size) => 0;
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| 
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|     lfs_file_seek(&lfs, &file[0], 0, LFS_SEEK_CUR) => size;
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|     lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|     memcmp(buffer, "kittycatcat", size) => 0;
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| 
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|     lfs_file_seek(&lfs, &file[0], size, LFS_SEEK_CUR) => 3*size;
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|     lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|     memcmp(buffer, "kittycatcat", size) => 0;
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| 
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|     lfs_file_seek(&lfs, &file[0], pos, LFS_SEEK_SET) => pos;
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|     lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|     memcmp(buffer, "kittycatcat", size) => 0;
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| 
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|     lfs_file_seek(&lfs, &file[0], -size, LFS_SEEK_CUR) => pos;
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|     lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|     memcmp(buffer, "kittycatcat", size) => 0;
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| 
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|     lfs_file_seek(&lfs, &file[0], -size, LFS_SEEK_END) >= 0 => 1;
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|     lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|     memcmp(buffer, "kittycatcat", size) => 0;
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| 
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|     size = lfs_file_size(&lfs, &file[0]);
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|     lfs_file_seek(&lfs, &file[0], 0, LFS_SEEK_CUR) => size;
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| 
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|     lfs_file_close(&lfs, &file[0]) => 0;
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|     lfs_unmount(&lfs) => 0;
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| TEST
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| 
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| echo "--- Simple file seek and write ---"
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| tests/test.py << TEST
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|     lfs_mount(&lfs, &cfg) => 0;
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|     lfs_file_open(&lfs, &file[0], "hello/kitty042", LFS_O_RDWR) => 0;
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| 
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|     lfs_soff_t pos;
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|     size = strlen("kittycatcat");
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|     for (int i = 0; i < $SMALLSIZE; i++) {
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|         lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|         memcmp(buffer, "kittycatcat", size) => 0;
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|         pos = lfs_file_tell(&lfs, &file[0]);
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|     }
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|     pos >= 0 => 1;
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| 
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|     memcpy(buffer, "doggodogdog", size);
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|     lfs_file_seek(&lfs, &file[0], pos, LFS_SEEK_SET) => pos;
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|     lfs_file_write(&lfs, &file[0], buffer, size) => size;
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| 
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|     lfs_file_seek(&lfs, &file[0], pos, LFS_SEEK_SET) => pos;
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|     lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|     memcmp(buffer, "doggodogdog", size) => 0;
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| 
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|     lfs_file_rewind(&lfs, &file[0]) => 0;
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|     lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|     memcmp(buffer, "kittycatcat", size) => 0;
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| 
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|     lfs_file_seek(&lfs, &file[0], pos, LFS_SEEK_SET) => pos;
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|     lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|     memcmp(buffer, "doggodogdog", size) => 0;
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| 
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|     lfs_file_seek(&lfs, &file[0], -size, LFS_SEEK_END) >= 0 => 1;
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|     lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|     memcmp(buffer, "kittycatcat", size) => 0;
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| 
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|     size = lfs_file_size(&lfs, &file[0]);
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|     lfs_file_seek(&lfs, &file[0], 0, LFS_SEEK_CUR) => size;
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| 
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|     lfs_file_close(&lfs, &file[0]) => 0;
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|     lfs_unmount(&lfs) => 0;
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| TEST
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| 
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| echo "--- Large file seek and write ---"
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| tests/test.py << TEST
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|     lfs_mount(&lfs, &cfg) => 0;
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|     lfs_file_open(&lfs, &file[0], "hello/kitty042", LFS_O_RDWR) => 0;
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| 
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|     lfs_soff_t pos;
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|     size = strlen("kittycatcat");
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|     for (int i = 0; i < $MEDIUMSIZE; i++) {
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|         lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|         if (i != $SMALLSIZE) {
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|             memcmp(buffer, "kittycatcat", size) => 0;
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|         }
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|         pos = lfs_file_tell(&lfs, &file[0]);
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|     }
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|     pos >= 0 => 1;
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| 
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|     memcpy(buffer, "doggodogdog", size);
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|     lfs_file_seek(&lfs, &file[0], pos, LFS_SEEK_SET) => pos;
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|     lfs_file_write(&lfs, &file[0], buffer, size) => size;
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| 
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|     lfs_file_seek(&lfs, &file[0], pos, LFS_SEEK_SET) => pos;
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|     lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|     memcmp(buffer, "doggodogdog", size) => 0;
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| 
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|     lfs_file_rewind(&lfs, &file[0]) => 0;
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|     lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|     memcmp(buffer, "kittycatcat", size) => 0;
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| 
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|     lfs_file_seek(&lfs, &file[0], pos, LFS_SEEK_SET) => pos;
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|     lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|     memcmp(buffer, "doggodogdog", size) => 0;
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| 
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|     lfs_file_seek(&lfs, &file[0], -size, LFS_SEEK_END) >= 0 => 1;
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|     lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|     memcmp(buffer, "kittycatcat", size) => 0;
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| 
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|     size = lfs_file_size(&lfs, &file[0]);
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|     lfs_file_seek(&lfs, &file[0], 0, LFS_SEEK_CUR) => size;
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| 
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|     lfs_file_close(&lfs, &file[0]) => 0;
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|     lfs_unmount(&lfs) => 0;
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| TEST
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| 
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| echo "--- Boundary seek and write ---"
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| tests/test.py << TEST
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|     lfs_mount(&lfs, &cfg) => 0;
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|     lfs_file_open(&lfs, &file[0], "hello/kitty042", LFS_O_RDWR) => 0;
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| 
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|     size = strlen("hedgehoghog");
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|     const lfs_soff_t offsets[] = {512, 1020, 513, 1021, 511, 1019};
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| 
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|     for (unsigned i = 0; i < sizeof(offsets) / sizeof(offsets[0]); i++) {
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|         lfs_soff_t off = offsets[i];
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|         memcpy(buffer, "hedgehoghog", size);
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|         lfs_file_seek(&lfs, &file[0], off, LFS_SEEK_SET) => off;
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|         lfs_file_write(&lfs, &file[0], buffer, size) => size;
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|         lfs_file_seek(&lfs, &file[0], off, LFS_SEEK_SET) => off;
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|         lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|         memcmp(buffer, "hedgehoghog", size) => 0;
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| 
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|         lfs_file_seek(&lfs, &file[0], 0, LFS_SEEK_SET) => 0;
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|         lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|         memcmp(buffer, "kittycatcat", size) => 0;
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| 
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|         lfs_file_sync(&lfs, &file[0]) => 0;
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|     }
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| 
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|     lfs_file_close(&lfs, &file[0]) => 0;
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|     lfs_unmount(&lfs) => 0;
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| TEST
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| 
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| echo "--- Out-of-bounds seek ---"
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| tests/test.py << TEST
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|     lfs_mount(&lfs, &cfg) => 0;
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|     lfs_file_open(&lfs, &file[0], "hello/kitty042", LFS_O_RDWR) => 0;
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| 
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|     size = strlen("kittycatcat");
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|     lfs_file_size(&lfs, &file[0]) => $LARGESIZE*size;
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|     lfs_file_seek(&lfs, &file[0], ($LARGESIZE+$SMALLSIZE)*size,
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|             LFS_SEEK_SET) => ($LARGESIZE+$SMALLSIZE)*size;
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|     lfs_file_read(&lfs, &file[0], buffer, size) => 0;
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| 
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|     memcpy(buffer, "porcupineee", size);
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|     lfs_file_write(&lfs, &file[0], buffer, size) => size;
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| 
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|     lfs_file_seek(&lfs, &file[0], ($LARGESIZE+$SMALLSIZE)*size,
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|             LFS_SEEK_SET) => ($LARGESIZE+$SMALLSIZE)*size;
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|     lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|     memcmp(buffer, "porcupineee", size) => 0;
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| 
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|     lfs_file_seek(&lfs, &file[0], $LARGESIZE*size,
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|             LFS_SEEK_SET) => $LARGESIZE*size;
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|     lfs_file_read(&lfs, &file[0], buffer, size) => size;
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|     memcmp(buffer, "\0\0\0\0\0\0\0\0\0\0\0", size) => 0;
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| 
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|     lfs_file_seek(&lfs, &file[0], -(($LARGESIZE+$SMALLSIZE)*size),
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|             LFS_SEEK_CUR) => LFS_ERR_INVAL;
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|     lfs_file_tell(&lfs, &file[0]) => ($LARGESIZE+1)*size;
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| 
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|     lfs_file_seek(&lfs, &file[0], -(($LARGESIZE+2*$SMALLSIZE)*size),
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|             LFS_SEEK_END) => LFS_ERR_INVAL;
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|     lfs_file_tell(&lfs, &file[0]) => ($LARGESIZE+1)*size;
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| 
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|     lfs_file_close(&lfs, &file[0]) => 0;
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|     lfs_unmount(&lfs) => 0;
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| TEST
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| 
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| echo "--- Inline write and seek ---"
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| for SIZE in $SMALLSIZE $MEDIUMSIZE $LARGESIZE
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| do
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| tests/test.py << TEST
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|     lfs_mount(&lfs, &cfg) => 0;
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|     lfs_file_open(&lfs, &file[0], "hello/tinykitty$SIZE",
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|             LFS_O_RDWR | LFS_O_CREAT) => 0;
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|     int j = 0;
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|     int k = 0;
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| 
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|     memcpy(buffer, "abcdefghijklmnopqrstuvwxyz", 26);
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|     for (unsigned i = 0; i < $SIZE; i++) {
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|         lfs_file_write(&lfs, &file[0], &buffer[j++ % 26], 1) => 1;
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|         lfs_file_tell(&lfs, &file[0]) => i+1;
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|         lfs_file_size(&lfs, &file[0]) => i+1;
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|     }
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| 
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|     lfs_file_seek(&lfs, &file[0], 0, LFS_SEEK_SET) => 0;
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|     lfs_file_tell(&lfs, &file[0]) => 0;
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|     lfs_file_size(&lfs, &file[0]) => $SIZE;
 | |
|     for (unsigned i = 0; i < $SIZE; i++) {
 | |
|         uint8_t c;
 | |
|         lfs_file_read(&lfs, &file[0], &c, 1) => 1;
 | |
|         c => buffer[k++ % 26];
 | |
|     }
 | |
| 
 | |
|     lfs_file_sync(&lfs, &file[0]) => 0;
 | |
|     lfs_file_tell(&lfs, &file[0]) => $SIZE;
 | |
|     lfs_file_size(&lfs, &file[0]) => $SIZE;
 | |
| 
 | |
|     lfs_file_seek(&lfs, &file[0], 0, LFS_SEEK_SET) => 0;
 | |
|     for (unsigned i = 0; i < $SIZE; i++) {
 | |
|         lfs_file_write(&lfs, &file[0], &buffer[j++ % 26], 1) => 1;
 | |
|         lfs_file_tell(&lfs, &file[0]) => i+1;
 | |
|         lfs_file_size(&lfs, &file[0]) => $SIZE;
 | |
|         lfs_file_sync(&lfs, &file[0]) => 0;
 | |
|         lfs_file_tell(&lfs, &file[0]) => i+1;
 | |
|         lfs_file_size(&lfs, &file[0]) => $SIZE;
 | |
|     }
 | |
| 
 | |
|     lfs_file_seek(&lfs, &file[0], 0, LFS_SEEK_SET) => 0;
 | |
|     lfs_file_tell(&lfs, &file[0]) => 0;
 | |
|     lfs_file_size(&lfs, &file[0]) => $SIZE;
 | |
|     for (unsigned i = 0; i < $SIZE; i++) {
 | |
|         uint8_t c;
 | |
|         lfs_file_read(&lfs, &file[0], &c, 1) => 1;
 | |
|         c => buffer[k++ % 26];
 | |
|     }
 | |
| 
 | |
|     lfs_file_sync(&lfs, &file[0]) => 0;
 | |
|     lfs_file_tell(&lfs, &file[0]) => $SIZE;
 | |
|     lfs_file_size(&lfs, &file[0]) => $SIZE;
 | |
| 
 | |
|     lfs_file_close(&lfs, &file[0]) => 0;
 | |
|     lfs_unmount(&lfs) => 0;
 | |
| TEST
 | |
| done
 | |
| 
 | |
| echo "--- Results ---"
 | |
| tests/stats.py
 |