Implement storedevs, prepare to port littlefs
This commit is contained in:
539
kernel/fs/littlefs/tests/test_files.toml
Normal file
539
kernel/fs/littlefs/tests/test_files.toml
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@ -0,0 +1,539 @@
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[cases.test_files_simple]
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defines.INLINE_MAX = [0, -1, 8]
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code = '''
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lfs_t lfs;
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lfs_format(&lfs, cfg) => 0;
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_t file;
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lfs_file_open(&lfs, &file, "hello",
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LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
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lfs_size_t size = strlen("Hello World!")+1;
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uint8_t buffer[1024];
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strcpy((char*)buffer, "Hello World!");
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lfs_file_write(&lfs, &file, buffer, size) => size;
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_open(&lfs, &file, "hello", LFS_O_RDONLY) => 0;
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lfs_file_read(&lfs, &file, buffer, size) => size;
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assert(strcmp((char*)buffer, "Hello World!") == 0);
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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'''
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[cases.test_files_large]
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defines.SIZE = [32, 8192, 262144, 0, 7, 8193]
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defines.CHUNKSIZE = [31, 16, 33, 1, 1023]
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defines.INLINE_MAX = [0, -1, 8]
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code = '''
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lfs_t lfs;
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lfs_format(&lfs, cfg) => 0;
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// write
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_t file;
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lfs_file_open(&lfs, &file, "avacado",
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LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
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uint32_t prng = 1;
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uint8_t buffer[1024];
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for (lfs_size_t i = 0; i < SIZE; i += CHUNKSIZE) {
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lfs_size_t chunk = lfs_min(CHUNKSIZE, SIZE-i);
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for (lfs_size_t b = 0; b < chunk; b++) {
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buffer[b] = TEST_PRNG(&prng) & 0xff;
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}
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lfs_file_write(&lfs, &file, buffer, chunk) => chunk;
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}
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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// read
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_open(&lfs, &file, "avacado", LFS_O_RDONLY) => 0;
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lfs_file_size(&lfs, &file) => SIZE;
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prng = 1;
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for (lfs_size_t i = 0; i < SIZE; i += CHUNKSIZE) {
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lfs_size_t chunk = lfs_min(CHUNKSIZE, SIZE-i);
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lfs_file_read(&lfs, &file, buffer, chunk) => chunk;
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for (lfs_size_t b = 0; b < chunk; b++) {
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assert(buffer[b] == (TEST_PRNG(&prng) & 0xff));
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}
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}
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lfs_file_read(&lfs, &file, buffer, CHUNKSIZE) => 0;
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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'''
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[cases.test_files_rewrite]
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defines.SIZE1 = [32, 8192, 131072, 0, 7, 8193]
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defines.SIZE2 = [32, 8192, 131072, 0, 7, 8193]
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defines.CHUNKSIZE = [31, 16, 1]
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defines.INLINE_MAX = [0, -1, 8]
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code = '''
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lfs_t lfs;
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lfs_format(&lfs, cfg) => 0;
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// write
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_t file;
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uint8_t buffer[1024];
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lfs_file_open(&lfs, &file, "avacado",
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LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
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uint32_t prng = 1;
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for (lfs_size_t i = 0; i < SIZE1; i += CHUNKSIZE) {
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lfs_size_t chunk = lfs_min(CHUNKSIZE, SIZE1-i);
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for (lfs_size_t b = 0; b < chunk; b++) {
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buffer[b] = TEST_PRNG(&prng) & 0xff;
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}
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lfs_file_write(&lfs, &file, buffer, chunk) => chunk;
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}
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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// read
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_open(&lfs, &file, "avacado", LFS_O_RDONLY) => 0;
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lfs_file_size(&lfs, &file) => SIZE1;
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prng = 1;
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for (lfs_size_t i = 0; i < SIZE1; i += CHUNKSIZE) {
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lfs_size_t chunk = lfs_min(CHUNKSIZE, SIZE1-i);
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lfs_file_read(&lfs, &file, buffer, chunk) => chunk;
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for (lfs_size_t b = 0; b < chunk; b++) {
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assert(buffer[b] == (TEST_PRNG(&prng) & 0xff));
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}
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}
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lfs_file_read(&lfs, &file, buffer, CHUNKSIZE) => 0;
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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// rewrite
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_open(&lfs, &file, "avacado", LFS_O_WRONLY) => 0;
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prng = 2;
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for (lfs_size_t i = 0; i < SIZE2; i += CHUNKSIZE) {
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lfs_size_t chunk = lfs_min(CHUNKSIZE, SIZE2-i);
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for (lfs_size_t b = 0; b < chunk; b++) {
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buffer[b] = TEST_PRNG(&prng) & 0xff;
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}
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lfs_file_write(&lfs, &file, buffer, chunk) => chunk;
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}
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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// read
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_open(&lfs, &file, "avacado", LFS_O_RDONLY) => 0;
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lfs_file_size(&lfs, &file) => lfs_max(SIZE1, SIZE2);
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prng = 2;
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for (lfs_size_t i = 0; i < SIZE2; i += CHUNKSIZE) {
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lfs_size_t chunk = lfs_min(CHUNKSIZE, SIZE2-i);
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lfs_file_read(&lfs, &file, buffer, chunk) => chunk;
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for (lfs_size_t b = 0; b < chunk; b++) {
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assert(buffer[b] == (TEST_PRNG(&prng) & 0xff));
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}
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}
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if (SIZE1 > SIZE2) {
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prng = 1;
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for (lfs_size_t b = 0; b < SIZE2; b++) {
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TEST_PRNG(&prng);
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}
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for (lfs_size_t i = SIZE2; i < SIZE1; i += CHUNKSIZE) {
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lfs_size_t chunk = lfs_min(CHUNKSIZE, SIZE1-i);
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lfs_file_read(&lfs, &file, buffer, chunk) => chunk;
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for (lfs_size_t b = 0; b < chunk; b++) {
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assert(buffer[b] == (TEST_PRNG(&prng) & 0xff));
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}
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}
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}
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lfs_file_read(&lfs, &file, buffer, CHUNKSIZE) => 0;
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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'''
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[cases.test_files_append]
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defines.SIZE1 = [32, 8192, 131072, 0, 7, 8193]
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defines.SIZE2 = [32, 8192, 131072, 0, 7, 8193]
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defines.CHUNKSIZE = [31, 16, 1]
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defines.INLINE_MAX = [0, -1, 8]
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code = '''
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lfs_t lfs;
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lfs_format(&lfs, cfg) => 0;
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// write
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_t file;
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uint8_t buffer[1024];
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lfs_file_open(&lfs, &file, "avacado",
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LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
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uint32_t prng = 1;
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for (lfs_size_t i = 0; i < SIZE1; i += CHUNKSIZE) {
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lfs_size_t chunk = lfs_min(CHUNKSIZE, SIZE1-i);
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for (lfs_size_t b = 0; b < chunk; b++) {
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buffer[b] = TEST_PRNG(&prng) & 0xff;
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}
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lfs_file_write(&lfs, &file, buffer, chunk) => chunk;
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}
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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// read
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_open(&lfs, &file, "avacado", LFS_O_RDONLY) => 0;
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lfs_file_size(&lfs, &file) => SIZE1;
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prng = 1;
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for (lfs_size_t i = 0; i < SIZE1; i += CHUNKSIZE) {
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lfs_size_t chunk = lfs_min(CHUNKSIZE, SIZE1-i);
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lfs_file_read(&lfs, &file, buffer, chunk) => chunk;
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for (lfs_size_t b = 0; b < chunk; b++) {
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assert(buffer[b] == (TEST_PRNG(&prng) & 0xff));
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}
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}
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lfs_file_read(&lfs, &file, buffer, CHUNKSIZE) => 0;
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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// append
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_open(&lfs, &file, "avacado", LFS_O_WRONLY | LFS_O_APPEND) => 0;
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prng = 2;
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for (lfs_size_t i = 0; i < SIZE2; i += CHUNKSIZE) {
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lfs_size_t chunk = lfs_min(CHUNKSIZE, SIZE2-i);
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for (lfs_size_t b = 0; b < chunk; b++) {
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buffer[b] = TEST_PRNG(&prng) & 0xff;
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}
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lfs_file_write(&lfs, &file, buffer, chunk) => chunk;
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}
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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// read
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_open(&lfs, &file, "avacado", LFS_O_RDONLY) => 0;
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lfs_file_size(&lfs, &file) => SIZE1 + SIZE2;
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prng = 1;
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for (lfs_size_t i = 0; i < SIZE1; i += CHUNKSIZE) {
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lfs_size_t chunk = lfs_min(CHUNKSIZE, SIZE1-i);
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lfs_file_read(&lfs, &file, buffer, chunk) => chunk;
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for (lfs_size_t b = 0; b < chunk; b++) {
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assert(buffer[b] == (TEST_PRNG(&prng) & 0xff));
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}
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}
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prng = 2;
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for (lfs_size_t i = 0; i < SIZE2; i += CHUNKSIZE) {
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lfs_size_t chunk = lfs_min(CHUNKSIZE, SIZE2-i);
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lfs_file_read(&lfs, &file, buffer, chunk) => chunk;
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for (lfs_size_t b = 0; b < chunk; b++) {
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assert(buffer[b] == (TEST_PRNG(&prng) & 0xff));
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}
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}
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lfs_file_read(&lfs, &file, buffer, CHUNKSIZE) => 0;
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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'''
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[cases.test_files_truncate]
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defines.SIZE1 = [32, 8192, 131072, 0, 7, 8193]
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defines.SIZE2 = [32, 8192, 131072, 0, 7, 8193]
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defines.CHUNKSIZE = [31, 16, 1]
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defines.INLINE_MAX = [0, -1, 8]
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code = '''
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lfs_t lfs;
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lfs_format(&lfs, cfg) => 0;
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// write
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_t file;
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uint8_t buffer[1024];
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lfs_file_open(&lfs, &file, "avacado",
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LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
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uint32_t prng = 1;
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for (lfs_size_t i = 0; i < SIZE1; i += CHUNKSIZE) {
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lfs_size_t chunk = lfs_min(CHUNKSIZE, SIZE1-i);
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for (lfs_size_t b = 0; b < chunk; b++) {
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buffer[b] = TEST_PRNG(&prng) & 0xff;
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}
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lfs_file_write(&lfs, &file, buffer, chunk) => chunk;
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}
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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// read
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_open(&lfs, &file, "avacado", LFS_O_RDONLY) => 0;
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lfs_file_size(&lfs, &file) => SIZE1;
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prng = 1;
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for (lfs_size_t i = 0; i < SIZE1; i += CHUNKSIZE) {
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lfs_size_t chunk = lfs_min(CHUNKSIZE, SIZE1-i);
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lfs_file_read(&lfs, &file, buffer, chunk) => chunk;
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for (lfs_size_t b = 0; b < chunk; b++) {
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assert(buffer[b] == (TEST_PRNG(&prng) & 0xff));
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}
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}
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lfs_file_read(&lfs, &file, buffer, CHUNKSIZE) => 0;
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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// truncate
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_open(&lfs, &file, "avacado", LFS_O_WRONLY | LFS_O_TRUNC) => 0;
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prng = 2;
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for (lfs_size_t i = 0; i < SIZE2; i += CHUNKSIZE) {
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lfs_size_t chunk = lfs_min(CHUNKSIZE, SIZE2-i);
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for (lfs_size_t b = 0; b < chunk; b++) {
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buffer[b] = TEST_PRNG(&prng) & 0xff;
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}
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lfs_file_write(&lfs, &file, buffer, chunk) => chunk;
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}
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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// read
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lfs_mount(&lfs, cfg) => 0;
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lfs_file_open(&lfs, &file, "avacado", LFS_O_RDONLY) => 0;
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lfs_file_size(&lfs, &file) => SIZE2;
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prng = 2;
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for (lfs_size_t i = 0; i < SIZE2; i += CHUNKSIZE) {
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lfs_size_t chunk = lfs_min(CHUNKSIZE, SIZE2-i);
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lfs_file_read(&lfs, &file, buffer, chunk) => chunk;
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for (lfs_size_t b = 0; b < chunk; b++) {
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assert(buffer[b] == (TEST_PRNG(&prng) & 0xff));
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}
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}
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lfs_file_read(&lfs, &file, buffer, CHUNKSIZE) => 0;
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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'''
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[cases.test_files_reentrant_write]
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defines.SIZE = [32, 0, 7, 2049]
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defines.CHUNKSIZE = [31, 16, 65]
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defines.INLINE_MAX = [0, -1, 8]
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reentrant = true
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defines.POWERLOSS_BEHAVIOR = [
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'LFS_EMUBD_POWERLOSS_NOOP',
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'LFS_EMUBD_POWERLOSS_OOO',
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]
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code = '''
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lfs_t lfs;
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int err = lfs_mount(&lfs, cfg);
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if (err) {
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lfs_format(&lfs, cfg) => 0;
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lfs_mount(&lfs, cfg) => 0;
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}
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lfs_file_t file;
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uint8_t buffer[1024];
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err = lfs_file_open(&lfs, &file, "avacado", LFS_O_RDONLY);
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assert(err == LFS_ERR_NOENT || err == 0);
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if (err == 0) {
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// can only be 0 (new file) or full size
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lfs_size_t size = lfs_file_size(&lfs, &file);
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assert(size == 0 || size == SIZE);
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lfs_file_close(&lfs, &file) => 0;
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}
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// write
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lfs_file_open(&lfs, &file, "avacado", LFS_O_WRONLY | LFS_O_CREAT) => 0;
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uint32_t prng = 1;
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for (lfs_size_t i = 0; i < SIZE; i += CHUNKSIZE) {
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lfs_size_t chunk = lfs_min(CHUNKSIZE, SIZE-i);
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for (lfs_size_t b = 0; b < chunk; b++) {
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buffer[b] = TEST_PRNG(&prng) & 0xff;
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}
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lfs_file_write(&lfs, &file, buffer, chunk) => chunk;
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}
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lfs_file_close(&lfs, &file) => 0;
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// read
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lfs_file_open(&lfs, &file, "avacado", LFS_O_RDONLY) => 0;
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lfs_file_size(&lfs, &file) => SIZE;
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prng = 1;
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for (lfs_size_t i = 0; i < SIZE; i += CHUNKSIZE) {
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lfs_size_t chunk = lfs_min(CHUNKSIZE, SIZE-i);
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lfs_file_read(&lfs, &file, buffer, chunk) => chunk;
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for (lfs_size_t b = 0; b < chunk; b++) {
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assert(buffer[b] == (TEST_PRNG(&prng) & 0xff));
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}
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}
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lfs_file_read(&lfs, &file, buffer, CHUNKSIZE) => 0;
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lfs_file_close(&lfs, &file) => 0;
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lfs_unmount(&lfs) => 0;
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'''
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[cases.test_files_reentrant_write_sync]
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defines = [
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# append (O(n))
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{MODE='LFS_O_APPEND',
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SIZE=[32, 0, 7, 2049],
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CHUNKSIZE=[31, 16, 65],
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INLINE_MAX=[0, -1, 8]},
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# truncate (O(n^2))
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{MODE='LFS_O_TRUNC',
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SIZE=[32, 0, 7, 200],
|
||||
CHUNKSIZE=[31, 16, 65],
|
||||
INLINE_MAX=[0, -1, 8]},
|
||||
# rewrite (O(n^2))
|
||||
{MODE=0,
|
||||
SIZE=[32, 0, 7, 200],
|
||||
CHUNKSIZE=[31, 16, 65],
|
||||
INLINE_MAX=[0, -1, 8]},
|
||||
]
|
||||
reentrant = true
|
||||
code = '''
|
||||
lfs_t lfs;
|
||||
int err = lfs_mount(&lfs, cfg);
|
||||
if (err) {
|
||||
lfs_format(&lfs, cfg) => 0;
|
||||
lfs_mount(&lfs, cfg) => 0;
|
||||
}
|
||||
|
||||
lfs_file_t file;
|
||||
uint8_t buffer[1024];
|
||||
err = lfs_file_open(&lfs, &file, "avacado", LFS_O_RDONLY);
|
||||
assert(err == LFS_ERR_NOENT || err == 0);
|
||||
if (err == 0) {
|
||||
// with syncs we could be any size, but it at least must be valid data
|
||||
lfs_size_t size = lfs_file_size(&lfs, &file);
|
||||
assert(size <= SIZE);
|
||||
uint32_t prng = 1;
|
||||
for (lfs_size_t i = 0; i < size; i += CHUNKSIZE) {
|
||||
lfs_size_t chunk = lfs_min(CHUNKSIZE, size-i);
|
||||
lfs_file_read(&lfs, &file, buffer, chunk) => chunk;
|
||||
for (lfs_size_t b = 0; b < chunk; b++) {
|
||||
assert(buffer[b] == (TEST_PRNG(&prng) & 0xff));
|
||||
}
|
||||
}
|
||||
lfs_file_close(&lfs, &file) => 0;
|
||||
}
|
||||
|
||||
// write
|
||||
lfs_file_open(&lfs, &file, "avacado",
|
||||
LFS_O_WRONLY | LFS_O_CREAT | MODE) => 0;
|
||||
lfs_size_t size = lfs_file_size(&lfs, &file);
|
||||
assert(size <= SIZE);
|
||||
uint32_t prng = 1;
|
||||
lfs_size_t skip = (MODE == LFS_O_APPEND) ? size : 0;
|
||||
for (lfs_size_t b = 0; b < skip; b++) {
|
||||
TEST_PRNG(&prng);
|
||||
}
|
||||
for (lfs_size_t i = skip; i < SIZE; i += CHUNKSIZE) {
|
||||
lfs_size_t chunk = lfs_min(CHUNKSIZE, SIZE-i);
|
||||
for (lfs_size_t b = 0; b < chunk; b++) {
|
||||
buffer[b] = TEST_PRNG(&prng) & 0xff;
|
||||
}
|
||||
lfs_file_write(&lfs, &file, buffer, chunk) => chunk;
|
||||
lfs_file_sync(&lfs, &file) => 0;
|
||||
}
|
||||
lfs_file_close(&lfs, &file) => 0;
|
||||
|
||||
// read
|
||||
lfs_file_open(&lfs, &file, "avacado", LFS_O_RDONLY) => 0;
|
||||
lfs_file_size(&lfs, &file) => SIZE;
|
||||
prng = 1;
|
||||
for (lfs_size_t i = 0; i < SIZE; i += CHUNKSIZE) {
|
||||
lfs_size_t chunk = lfs_min(CHUNKSIZE, SIZE-i);
|
||||
lfs_file_read(&lfs, &file, buffer, chunk) => chunk;
|
||||
for (lfs_size_t b = 0; b < chunk; b++) {
|
||||
assert(buffer[b] == (TEST_PRNG(&prng) & 0xff));
|
||||
}
|
||||
}
|
||||
lfs_file_read(&lfs, &file, buffer, CHUNKSIZE) => 0;
|
||||
lfs_file_close(&lfs, &file) => 0;
|
||||
lfs_unmount(&lfs) => 0;
|
||||
'''
|
||||
|
||||
[cases.test_files_many]
|
||||
defines.N = 300
|
||||
code = '''
|
||||
lfs_t lfs;
|
||||
lfs_format(&lfs, cfg) => 0;
|
||||
// create N files of 7 bytes
|
||||
lfs_mount(&lfs, cfg) => 0;
|
||||
for (int i = 0; i < N; i++) {
|
||||
lfs_file_t file;
|
||||
char path[1024];
|
||||
sprintf(path, "file_%03d", i);
|
||||
lfs_file_open(&lfs, &file, path,
|
||||
LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
|
||||
char wbuffer[1024];
|
||||
lfs_size_t size = 7;
|
||||
sprintf(wbuffer, "Hi %03d", i);
|
||||
lfs_file_write(&lfs, &file, wbuffer, size) => size;
|
||||
lfs_file_close(&lfs, &file) => 0;
|
||||
|
||||
char rbuffer[1024];
|
||||
lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
|
||||
lfs_file_read(&lfs, &file, rbuffer, size) => size;
|
||||
assert(strcmp(rbuffer, wbuffer) == 0);
|
||||
lfs_file_close(&lfs, &file) => 0;
|
||||
}
|
||||
lfs_unmount(&lfs) => 0;
|
||||
'''
|
||||
|
||||
[cases.test_files_many_power_cycle]
|
||||
defines.N = 300
|
||||
code = '''
|
||||
lfs_t lfs;
|
||||
lfs_format(&lfs, cfg) => 0;
|
||||
// create N files of 7 bytes
|
||||
lfs_mount(&lfs, cfg) => 0;
|
||||
for (int i = 0; i < N; i++) {
|
||||
lfs_file_t file;
|
||||
char path[1024];
|
||||
sprintf(path, "file_%03d", i);
|
||||
lfs_file_open(&lfs, &file, path,
|
||||
LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
|
||||
char wbuffer[1024];
|
||||
lfs_size_t size = 7;
|
||||
sprintf(wbuffer, "Hi %03d", i);
|
||||
lfs_file_write(&lfs, &file, wbuffer, size) => size;
|
||||
lfs_file_close(&lfs, &file) => 0;
|
||||
lfs_unmount(&lfs) => 0;
|
||||
|
||||
char rbuffer[1024];
|
||||
lfs_mount(&lfs, cfg) => 0;
|
||||
lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
|
||||
lfs_file_read(&lfs, &file, rbuffer, size) => size;
|
||||
assert(strcmp(rbuffer, wbuffer) == 0);
|
||||
lfs_file_close(&lfs, &file) => 0;
|
||||
}
|
||||
lfs_unmount(&lfs) => 0;
|
||||
'''
|
||||
|
||||
[cases.test_files_many_power_loss]
|
||||
defines.N = 300
|
||||
reentrant = true
|
||||
defines.POWERLOSS_BEHAVIOR = [
|
||||
'LFS_EMUBD_POWERLOSS_NOOP',
|
||||
'LFS_EMUBD_POWERLOSS_OOO',
|
||||
]
|
||||
code = '''
|
||||
lfs_t lfs;
|
||||
int err = lfs_mount(&lfs, cfg);
|
||||
if (err) {
|
||||
lfs_format(&lfs, cfg) => 0;
|
||||
lfs_mount(&lfs, cfg) => 0;
|
||||
}
|
||||
// create N files of 7 bytes
|
||||
for (int i = 0; i < N; i++) {
|
||||
lfs_file_t file;
|
||||
char path[1024];
|
||||
sprintf(path, "file_%03d", i);
|
||||
err = lfs_file_open(&lfs, &file, path, LFS_O_WRONLY | LFS_O_CREAT);
|
||||
char wbuffer[1024];
|
||||
lfs_size_t size = 7;
|
||||
sprintf(wbuffer, "Hi %03d", i);
|
||||
if ((lfs_size_t)lfs_file_size(&lfs, &file) != size) {
|
||||
lfs_file_write(&lfs, &file, wbuffer, size) => size;
|
||||
}
|
||||
lfs_file_close(&lfs, &file) => 0;
|
||||
|
||||
char rbuffer[1024];
|
||||
lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
|
||||
lfs_file_read(&lfs, &file, rbuffer, size) => size;
|
||||
assert(strcmp(rbuffer, wbuffer) == 0);
|
||||
lfs_file_close(&lfs, &file) => 0;
|
||||
}
|
||||
lfs_unmount(&lfs) => 0;
|
||||
'''
|
||||
Reference in New Issue
Block a user