381 lines
13 KiB
TOML
381 lines
13 KiB
TOML
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[[case]] # simple file seek
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define = [
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{COUNT=132, SKIP=4},
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{COUNT=132, SKIP=128},
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{COUNT=200, SKIP=10},
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{COUNT=200, SKIP=100},
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{COUNT=4, SKIP=1},
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{COUNT=4, SKIP=2},
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]
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code = '''
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lfs_format(&lfs, &cfg) => 0;
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lfs_mount(&lfs, &cfg) => 0;
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lfs_file_open(&lfs, &file, "kitty",
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LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
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size = strlen("kittycatcat");
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memcpy(buffer, "kittycatcat", size);
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for (int j = 0; j < COUNT; j++) {
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lfs_file_write(&lfs, &file, buffer, size);
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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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lfs_mount(&lfs, &cfg) => 0;
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lfs_file_open(&lfs, &file, "kitty", LFS_O_RDONLY) => 0;
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lfs_soff_t pos = -1;
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size = strlen("kittycatcat");
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for (int i = 0; i < SKIP; i++) {
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lfs_file_read(&lfs, &file, buffer, size) => size;
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memcmp(buffer, "kittycatcat", size) => 0;
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pos = lfs_file_tell(&lfs, &file);
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}
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assert(pos >= 0);
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lfs_file_seek(&lfs, &file, pos, LFS_SEEK_SET) => pos;
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lfs_file_read(&lfs, &file, buffer, size) => size;
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memcmp(buffer, "kittycatcat", size) => 0;
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lfs_file_rewind(&lfs, &file) => 0;
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lfs_file_read(&lfs, &file, buffer, size) => size;
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memcmp(buffer, "kittycatcat", size) => 0;
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lfs_file_seek(&lfs, &file, 0, LFS_SEEK_CUR) => size;
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lfs_file_read(&lfs, &file, buffer, size) => size;
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memcmp(buffer, "kittycatcat", size) => 0;
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lfs_file_seek(&lfs, &file, size, LFS_SEEK_CUR) => 3*size;
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lfs_file_read(&lfs, &file, buffer, size) => size;
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memcmp(buffer, "kittycatcat", size) => 0;
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lfs_file_seek(&lfs, &file, pos, LFS_SEEK_SET) => pos;
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lfs_file_read(&lfs, &file, buffer, size) => size;
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memcmp(buffer, "kittycatcat", size) => 0;
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lfs_file_seek(&lfs, &file, -size, LFS_SEEK_CUR) => pos;
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lfs_file_read(&lfs, &file, buffer, size) => size;
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memcmp(buffer, "kittycatcat", size) => 0;
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lfs_file_seek(&lfs, &file, -size, LFS_SEEK_END) >= 0 => 1;
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lfs_file_read(&lfs, &file, buffer, size) => size;
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memcmp(buffer, "kittycatcat", size) => 0;
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size = lfs_file_size(&lfs, &file);
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lfs_file_seek(&lfs, &file, 0, LFS_SEEK_CUR) => size;
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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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[[case]] # simple file seek and write
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define = [
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{COUNT=132, SKIP=4},
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{COUNT=132, SKIP=128},
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{COUNT=200, SKIP=10},
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{COUNT=200, SKIP=100},
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{COUNT=4, SKIP=1},
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{COUNT=4, SKIP=2},
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]
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code = '''
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lfs_format(&lfs, &cfg) => 0;
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lfs_mount(&lfs, &cfg) => 0;
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lfs_file_open(&lfs, &file, "kitty",
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LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
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size = strlen("kittycatcat");
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memcpy(buffer, "kittycatcat", size);
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for (int j = 0; j < COUNT; j++) {
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lfs_file_write(&lfs, &file, buffer, size);
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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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lfs_mount(&lfs, &cfg) => 0;
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lfs_file_open(&lfs, &file, "kitty", LFS_O_RDWR) => 0;
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lfs_soff_t pos = -1;
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size = strlen("kittycatcat");
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for (int i = 0; i < SKIP; i++) {
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lfs_file_read(&lfs, &file, buffer, size) => size;
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memcmp(buffer, "kittycatcat", size) => 0;
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pos = lfs_file_tell(&lfs, &file);
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}
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assert(pos >= 0);
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memcpy(buffer, "doggodogdog", size);
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lfs_file_seek(&lfs, &file, pos, LFS_SEEK_SET) => pos;
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lfs_file_write(&lfs, &file, buffer, size) => size;
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lfs_file_seek(&lfs, &file, pos, LFS_SEEK_SET) => pos;
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lfs_file_read(&lfs, &file, buffer, size) => size;
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memcmp(buffer, "doggodogdog", size) => 0;
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lfs_file_rewind(&lfs, &file) => 0;
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lfs_file_read(&lfs, &file, buffer, size) => size;
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memcmp(buffer, "kittycatcat", size) => 0;
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lfs_file_seek(&lfs, &file, pos, LFS_SEEK_SET) => pos;
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lfs_file_read(&lfs, &file, buffer, size) => size;
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memcmp(buffer, "doggodogdog", size) => 0;
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lfs_file_seek(&lfs, &file, -size, LFS_SEEK_END) >= 0 => 1;
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lfs_file_read(&lfs, &file, buffer, size) => size;
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memcmp(buffer, "kittycatcat", size) => 0;
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size = lfs_file_size(&lfs, &file);
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lfs_file_seek(&lfs, &file, 0, LFS_SEEK_CUR) => size;
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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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[[case]] # boundary seek and writes
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define.COUNT = 132
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define.OFFSETS = '"{512, 1020, 513, 1021, 511, 1019, 1441}"'
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code = '''
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lfs_format(&lfs, &cfg) => 0;
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lfs_mount(&lfs, &cfg) => 0;
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lfs_file_open(&lfs, &file, "kitty",
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LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
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size = strlen("kittycatcat");
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memcpy(buffer, "kittycatcat", size);
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for (int j = 0; j < COUNT; j++) {
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lfs_file_write(&lfs, &file, buffer, size);
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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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lfs_mount(&lfs, &cfg) => 0;
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lfs_file_open(&lfs, &file, "kitty", LFS_O_RDWR) => 0;
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size = strlen("hedgehoghog");
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const lfs_soff_t offsets[] = OFFSETS;
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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, off, LFS_SEEK_SET) => off;
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lfs_file_write(&lfs, &file, buffer, size) => size;
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lfs_file_seek(&lfs, &file, off, LFS_SEEK_SET) => off;
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lfs_file_read(&lfs, &file, buffer, size) => size;
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memcmp(buffer, "hedgehoghog", size) => 0;
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lfs_file_seek(&lfs, &file, 0, LFS_SEEK_SET) => 0;
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lfs_file_read(&lfs, &file, buffer, size) => size;
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memcmp(buffer, "kittycatcat", size) => 0;
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lfs_file_seek(&lfs, &file, off, LFS_SEEK_SET) => off;
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lfs_file_read(&lfs, &file, buffer, size) => size;
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memcmp(buffer, "hedgehoghog", size) => 0;
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lfs_file_sync(&lfs, &file) => 0;
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lfs_file_seek(&lfs, &file, 0, LFS_SEEK_SET) => 0;
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lfs_file_read(&lfs, &file, buffer, size) => size;
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memcmp(buffer, "kittycatcat", size) => 0;
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lfs_file_seek(&lfs, &file, off, LFS_SEEK_SET) => off;
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lfs_file_read(&lfs, &file, buffer, size) => size;
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memcmp(buffer, "hedgehoghog", size) => 0;
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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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'''
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[[case]] # out of bounds seek
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define = [
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{COUNT=132, SKIP=4},
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{COUNT=132, SKIP=128},
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{COUNT=200, SKIP=10},
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{COUNT=200, SKIP=100},
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{COUNT=4, SKIP=2},
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{COUNT=4, SKIP=3},
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]
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code = '''
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lfs_format(&lfs, &cfg) => 0;
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lfs_mount(&lfs, &cfg) => 0;
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lfs_file_open(&lfs, &file, "kitty",
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LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
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size = strlen("kittycatcat");
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memcpy(buffer, "kittycatcat", size);
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for (int j = 0; j < COUNT; j++) {
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lfs_file_write(&lfs, &file, buffer, size);
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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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lfs_mount(&lfs, &cfg) => 0;
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lfs_file_open(&lfs, &file, "kitty", LFS_O_RDWR) => 0;
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size = strlen("kittycatcat");
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lfs_file_size(&lfs, &file) => COUNT*size;
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lfs_file_seek(&lfs, &file, (COUNT+SKIP)*size,
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LFS_SEEK_SET) => (COUNT+SKIP)*size;
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lfs_file_read(&lfs, &file, buffer, size) => 0;
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memcpy(buffer, "porcupineee", size);
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lfs_file_write(&lfs, &file, buffer, size) => size;
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lfs_file_seek(&lfs, &file, (COUNT+SKIP)*size,
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LFS_SEEK_SET) => (COUNT+SKIP)*size;
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lfs_file_read(&lfs, &file, buffer, size) => size;
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memcmp(buffer, "porcupineee", size) => 0;
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lfs_file_seek(&lfs, &file, COUNT*size,
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LFS_SEEK_SET) => COUNT*size;
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lfs_file_read(&lfs, &file, 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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lfs_file_seek(&lfs, &file, -((COUNT+SKIP)*size),
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LFS_SEEK_CUR) => LFS_ERR_INVAL;
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lfs_file_tell(&lfs, &file) => (COUNT+1)*size;
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lfs_file_seek(&lfs, &file, -((COUNT+2*SKIP)*size),
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LFS_SEEK_END) => LFS_ERR_INVAL;
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lfs_file_tell(&lfs, &file) => (COUNT+1)*size;
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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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[[case]] # inline write and seek
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define.SIZE = [2, 4, 128, 132]
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code = '''
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lfs_format(&lfs, &cfg) => 0;
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lfs_mount(&lfs, &cfg) => 0;
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lfs_file_open(&lfs, &file, "tinykitty",
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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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memcpy(buffer, "abcdefghijklmnopqrstuvwxyz", 26);
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for (unsigned i = 0; i < SIZE; i++) {
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lfs_file_write(&lfs, &file, &buffer[j++ % 26], 1) => 1;
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lfs_file_tell(&lfs, &file) => i+1;
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lfs_file_size(&lfs, &file) => i+1;
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}
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lfs_file_seek(&lfs, &file, 0, LFS_SEEK_SET) => 0;
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lfs_file_tell(&lfs, &file) => 0;
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lfs_file_size(&lfs, &file) => SIZE;
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for (unsigned i = 0; i < SIZE; i++) {
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uint8_t c;
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lfs_file_read(&lfs, &file, &c, 1) => 1;
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c => buffer[k++ % 26];
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}
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lfs_file_sync(&lfs, &file) => 0;
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lfs_file_tell(&lfs, &file) => SIZE;
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lfs_file_size(&lfs, &file) => SIZE;
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lfs_file_seek(&lfs, &file, 0, LFS_SEEK_SET) => 0;
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for (unsigned i = 0; i < SIZE; i++) {
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lfs_file_write(&lfs, &file, &buffer[j++ % 26], 1) => 1;
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lfs_file_tell(&lfs, &file) => i+1;
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lfs_file_size(&lfs, &file) => SIZE;
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lfs_file_sync(&lfs, &file) => 0;
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lfs_file_tell(&lfs, &file) => i+1;
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lfs_file_size(&lfs, &file) => SIZE;
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if (i < SIZE-2) {
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uint8_t c[3];
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lfs_file_seek(&lfs, &file, -1, LFS_SEEK_CUR) => i;
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lfs_file_read(&lfs, &file, &c, 3) => 3;
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lfs_file_tell(&lfs, &file) => i+3;
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lfs_file_size(&lfs, &file) => SIZE;
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lfs_file_seek(&lfs, &file, i+1, LFS_SEEK_SET) => i+1;
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lfs_file_tell(&lfs, &file) => i+1;
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lfs_file_size(&lfs, &file) => SIZE;
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}
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}
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lfs_file_seek(&lfs, &file, 0, LFS_SEEK_SET) => 0;
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lfs_file_tell(&lfs, &file) => 0;
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lfs_file_size(&lfs, &file) => SIZE;
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for (unsigned i = 0; i < SIZE; i++) {
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uint8_t c;
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lfs_file_read(&lfs, &file, &c, 1) => 1;
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c => buffer[k++ % 26];
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}
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lfs_file_sync(&lfs, &file) => 0;
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lfs_file_tell(&lfs, &file) => SIZE;
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lfs_file_size(&lfs, &file) => SIZE;
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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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[[case]] # file seek and write with power-loss
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# must be power-of-2 for quadratic probing to be exhaustive
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define.COUNT = [4, 64, 128]
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reentrant = true
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|
|
code = '''
|
||
|
|
err = lfs_mount(&lfs, &cfg);
|
||
|
|
if (err) {
|
||
|
|
lfs_format(&lfs, &cfg) => 0;
|
||
|
|
lfs_mount(&lfs, &cfg) => 0;
|
||
|
|
}
|
||
|
|
err = lfs_file_open(&lfs, &file, "kitty", LFS_O_RDONLY);
|
||
|
|
assert(!err || err == LFS_ERR_NOENT);
|
||
|
|
if (!err) {
|
||
|
|
if (lfs_file_size(&lfs, &file) != 0) {
|
||
|
|
lfs_file_size(&lfs, &file) => 11*COUNT;
|
||
|
|
for (int j = 0; j < COUNT; j++) {
|
||
|
|
memset(buffer, 0, 11+1);
|
||
|
|
lfs_file_read(&lfs, &file, buffer, 11) => 11;
|
||
|
|
assert(memcmp(buffer, "kittycatcat", 11) == 0 ||
|
||
|
|
memcmp(buffer, "doggodogdog", 11) == 0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
lfs_file_close(&lfs, &file) => 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
lfs_file_open(&lfs, &file, "kitty", LFS_O_WRONLY | LFS_O_CREAT) => 0;
|
||
|
|
if (lfs_file_size(&lfs, &file) == 0) {
|
||
|
|
for (int j = 0; j < COUNT; j++) {
|
||
|
|
strcpy((char*)buffer, "kittycatcat");
|
||
|
|
size = strlen((char*)buffer);
|
||
|
|
lfs_file_write(&lfs, &file, buffer, size) => size;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
lfs_file_close(&lfs, &file) => 0;
|
||
|
|
|
||
|
|
strcpy((char*)buffer, "doggodogdog");
|
||
|
|
size = strlen((char*)buffer);
|
||
|
|
|
||
|
|
lfs_file_open(&lfs, &file, "kitty", LFS_O_RDWR) => 0;
|
||
|
|
lfs_file_size(&lfs, &file) => COUNT*size;
|
||
|
|
// seek and write using quadratic probing to touch all
|
||
|
|
// 11-byte words in the file
|
||
|
|
lfs_off_t off = 0;
|
||
|
|
for (int j = 0; j < COUNT; j++) {
|
||
|
|
off = (5*off + 1) % COUNT;
|
||
|
|
lfs_file_seek(&lfs, &file, off*size, LFS_SEEK_SET) => off*size;
|
||
|
|
lfs_file_read(&lfs, &file, buffer, size) => size;
|
||
|
|
assert(memcmp(buffer, "kittycatcat", size) == 0 ||
|
||
|
|
memcmp(buffer, "doggodogdog", size) == 0);
|
||
|
|
if (memcmp(buffer, "doggodogdog", size) != 0) {
|
||
|
|
lfs_file_seek(&lfs, &file, off*size, LFS_SEEK_SET) => off*size;
|
||
|
|
strcpy((char*)buffer, "doggodogdog");
|
||
|
|
lfs_file_write(&lfs, &file, buffer, size) => size;
|
||
|
|
lfs_file_seek(&lfs, &file, off*size, LFS_SEEK_SET) => off*size;
|
||
|
|
lfs_file_read(&lfs, &file, buffer, size) => size;
|
||
|
|
assert(memcmp(buffer, "doggodogdog", size) == 0);
|
||
|
|
lfs_file_sync(&lfs, &file) => 0;
|
||
|
|
lfs_file_seek(&lfs, &file, off*size, LFS_SEEK_SET) => off*size;
|
||
|
|
lfs_file_read(&lfs, &file, buffer, size) => size;
|
||
|
|
assert(memcmp(buffer, "doggodogdog", size) == 0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
lfs_file_close(&lfs, &file) => 0;
|
||
|
|
|
||
|
|
lfs_file_open(&lfs, &file, "kitty", LFS_O_RDWR) => 0;
|
||
|
|
lfs_file_size(&lfs, &file) => COUNT*size;
|
||
|
|
for (int j = 0; j < COUNT; j++) {
|
||
|
|
lfs_file_read(&lfs, &file, buffer, size) => size;
|
||
|
|
assert(memcmp(buffer, "doggodogdog", size) == 0);
|
||
|
|
}
|
||
|
|
lfs_file_close(&lfs, &file) => 0;
|
||
|
|
lfs_unmount(&lfs) => 0;
|
||
|
|
'''
|