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third_party_littlefs/tests/test_relocations.toml
JKANG94 9bb47943d7 feat: update to v2.8.0 
Signed-off-by: JKANG94 <446326515@qq.com>
2024-05-06 11:34:20 +08:00

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# specific corner cases worth explicitly testing for
[cases.test_relocations_dangling_split_dir]
defines.ITERATIONS = 20
defines.COUNT = 10
defines.BLOCK_CYCLES = [8, 1]
code = '''
lfs_t lfs;
lfs_format(&lfs, cfg) => 0;
// fill up filesystem so only ~16 blocks are left
lfs_mount(&lfs, cfg) => 0;
lfs_file_t file;
lfs_file_open(&lfs, &file, "padding", LFS_O_CREAT | LFS_O_WRONLY) => 0;
uint8_t buffer[512];
memset(buffer, 0, 512);
while (BLOCK_COUNT - lfs_fs_size(&lfs) > 16) {
lfs_file_write(&lfs, &file, buffer, 512) => 512;
}
lfs_file_close(&lfs, &file) => 0;
// make a child dir to use in bounded space
lfs_mkdir(&lfs, "child") => 0;
lfs_unmount(&lfs) => 0;
lfs_mount(&lfs, cfg) => 0;
for (unsigned j = 0; j < ITERATIONS; j++) {
for (unsigned i = 0; i < COUNT; i++) {
char path[1024];
sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
lfs_file_open(&lfs, &file, path, LFS_O_CREAT | LFS_O_WRONLY) => 0;
lfs_file_close(&lfs, &file) => 0;
}
lfs_dir_t dir;
struct lfs_info info;
lfs_dir_open(&lfs, &dir, "child") => 0;
lfs_dir_read(&lfs, &dir, &info) => 1;
lfs_dir_read(&lfs, &dir, &info) => 1;
for (unsigned i = 0; i < COUNT; i++) {
char path[1024];
sprintf(path, "test%03d_loooooooooooooooooong_name", i);
lfs_dir_read(&lfs, &dir, &info) => 1;
strcmp(info.name, path) => 0;
}
lfs_dir_read(&lfs, &dir, &info) => 0;
lfs_dir_close(&lfs, &dir) => 0;
if (j == (unsigned)ITERATIONS-1) {
break;
}
for (unsigned i = 0; i < COUNT; i++) {
char path[1024];
sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
lfs_remove(&lfs, path) => 0;
}
}
lfs_unmount(&lfs) => 0;
lfs_mount(&lfs, cfg) => 0;
lfs_dir_t dir;
struct lfs_info info;
lfs_dir_open(&lfs, &dir, "child") => 0;
lfs_dir_read(&lfs, &dir, &info) => 1;
lfs_dir_read(&lfs, &dir, &info) => 1;
for (unsigned i = 0; i < COUNT; i++) {
char path[1024];
sprintf(path, "test%03d_loooooooooooooooooong_name", i);
lfs_dir_read(&lfs, &dir, &info) => 1;
strcmp(info.name, path) => 0;
}
lfs_dir_read(&lfs, &dir, &info) => 0;
lfs_dir_close(&lfs, &dir) => 0;
for (unsigned i = 0; i < COUNT; i++) {
char path[1024];
sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
lfs_remove(&lfs, path) => 0;
}
lfs_unmount(&lfs) => 0;
'''
[cases.test_relocations_outdated_head]
defines.ITERATIONS = 20
defines.COUNT = 10
defines.BLOCK_CYCLES = [8, 1]
code = '''
lfs_t lfs;
lfs_format(&lfs, cfg) => 0;
// fill up filesystem so only ~16 blocks are left
lfs_mount(&lfs, cfg) => 0;
lfs_file_t file;
lfs_file_open(&lfs, &file, "padding", LFS_O_CREAT | LFS_O_WRONLY) => 0;
uint8_t buffer[512];
memset(buffer, 0, 512);
while (BLOCK_COUNT - lfs_fs_size(&lfs) > 16) {
lfs_file_write(&lfs, &file, buffer, 512) => 512;
}
lfs_file_close(&lfs, &file) => 0;
// make a child dir to use in bounded space
lfs_mkdir(&lfs, "child") => 0;
lfs_unmount(&lfs) => 0;
lfs_mount(&lfs, cfg) => 0;
for (unsigned j = 0; j < ITERATIONS; j++) {
for (unsigned i = 0; i < COUNT; i++) {
char path[1024];
sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
lfs_file_open(&lfs, &file, path, LFS_O_CREAT | LFS_O_WRONLY) => 0;
lfs_file_close(&lfs, &file) => 0;
}
lfs_dir_t dir;
struct lfs_info info;
lfs_dir_open(&lfs, &dir, "child") => 0;
lfs_dir_read(&lfs, &dir, &info) => 1;
lfs_dir_read(&lfs, &dir, &info) => 1;
for (unsigned i = 0; i < COUNT; i++) {
char path[1024];
sprintf(path, "test%03d_loooooooooooooooooong_name", i);
lfs_dir_read(&lfs, &dir, &info) => 1;
strcmp(info.name, path) => 0;
info.size => 0;
sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
lfs_file_open(&lfs, &file, path, LFS_O_WRONLY) => 0;
lfs_file_write(&lfs, &file, "hi", 2) => 2;
lfs_file_close(&lfs, &file) => 0;
}
lfs_dir_read(&lfs, &dir, &info) => 0;
lfs_dir_rewind(&lfs, &dir) => 0;
lfs_dir_read(&lfs, &dir, &info) => 1;
lfs_dir_read(&lfs, &dir, &info) => 1;
for (unsigned i = 0; i < COUNT; i++) {
char path[1024];
sprintf(path, "test%03d_loooooooooooooooooong_name", i);
lfs_dir_read(&lfs, &dir, &info) => 1;
strcmp(info.name, path) => 0;
info.size => 2;
sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
lfs_file_open(&lfs, &file, path, LFS_O_WRONLY) => 0;
lfs_file_write(&lfs, &file, "hi", 2) => 2;
lfs_file_close(&lfs, &file) => 0;
}
lfs_dir_read(&lfs, &dir, &info) => 0;
lfs_dir_rewind(&lfs, &dir) => 0;
lfs_dir_read(&lfs, &dir, &info) => 1;
lfs_dir_read(&lfs, &dir, &info) => 1;
for (unsigned i = 0; i < COUNT; i++) {
char path[1024];
sprintf(path, "test%03d_loooooooooooooooooong_name", i);
lfs_dir_read(&lfs, &dir, &info) => 1;
strcmp(info.name, path) => 0;
info.size => 2;
}
lfs_dir_read(&lfs, &dir, &info) => 0;
lfs_dir_close(&lfs, &dir) => 0;
for (unsigned i = 0; i < COUNT; i++) {
char path[1024];
sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
lfs_remove(&lfs, path) => 0;
}
}
lfs_unmount(&lfs) => 0;
'''
# reentrant testing for relocations, this is the same as the
# orphan testing, except here we also set block_cycles so that
# almost every tree operation needs a relocation
[cases.test_relocations_reentrant]
reentrant = true
# TODO fix this case, caused by non-DAG trees
# NOTE the second condition is required
if = '!(DEPTH == 3 && CACHE_SIZE != 64) && 2*FILES < BLOCK_COUNT'
defines = [
{FILES=6, DEPTH=1, CYCLES=20, BLOCK_CYCLES=1},
{FILES=26, DEPTH=1, CYCLES=20, BLOCK_CYCLES=1},
{FILES=3, DEPTH=3, CYCLES=20, BLOCK_CYCLES=1},
]
code = '''
lfs_t lfs;
int err = lfs_mount(&lfs, cfg);
if (err) {
lfs_format(&lfs, cfg) => 0;
lfs_mount(&lfs, cfg) => 0;
}
uint32_t prng = 1;
const char alpha[] = "abcdefghijklmnopqrstuvwxyz";
for (unsigned i = 0; i < CYCLES; i++) {
// create random path
char full_path[256];
for (unsigned d = 0; d < DEPTH; d++) {
sprintf(&full_path[2*d], "/%c", alpha[TEST_PRNG(&prng) % FILES]);
}
// if it does not exist, we create it, else we destroy
struct lfs_info info;
int res = lfs_stat(&lfs, full_path, &info);
if (res == LFS_ERR_NOENT) {
// create each directory in turn, ignore if dir already exists
for (unsigned d = 0; d < DEPTH; d++) {
char path[1024];
strcpy(path, full_path);
path[2*d+2] = '\0';
err = lfs_mkdir(&lfs, path);
assert(!err || err == LFS_ERR_EXIST);
}
for (unsigned d = 0; d < DEPTH; d++) {
char path[1024];
strcpy(path, full_path);
path[2*d+2] = '\0';
lfs_stat(&lfs, path, &info) => 0;
assert(strcmp(info.name, &path[2*d+1]) == 0);
assert(info.type == LFS_TYPE_DIR);
}
} else {
// is valid dir?
assert(strcmp(info.name, &full_path[2*(DEPTH-1)+1]) == 0);
assert(info.type == LFS_TYPE_DIR);
// try to delete path in reverse order, ignore if dir is not empty
for (unsigned d = DEPTH-1; d+1 > 0; d--) {
char path[1024];
strcpy(path, full_path);
path[2*d+2] = '\0';
err = lfs_remove(&lfs, path);
assert(!err || err == LFS_ERR_NOTEMPTY);
}
lfs_stat(&lfs, full_path, &info) => LFS_ERR_NOENT;
}
}
lfs_unmount(&lfs) => 0;
'''
# reentrant testing for relocations, but now with random renames!
[cases.test_relocations_reentrant_renames]
reentrant = true
# TODO fix this case, caused by non-DAG trees
# NOTE the second condition is required
if = '!(DEPTH == 3 && CACHE_SIZE != 64) && 2*FILES < BLOCK_COUNT'
defines = [
{FILES=6, DEPTH=1, CYCLES=20, BLOCK_CYCLES=1},
{FILES=26, DEPTH=1, CYCLES=20, BLOCK_CYCLES=1},
{FILES=3, DEPTH=3, CYCLES=20, BLOCK_CYCLES=1},
]
code = '''
lfs_t lfs;
int err = lfs_mount(&lfs, cfg);
if (err) {
lfs_format(&lfs, cfg) => 0;
lfs_mount(&lfs, cfg) => 0;
}
uint32_t prng = 1;
const char alpha[] = "abcdefghijklmnopqrstuvwxyz";
for (unsigned i = 0; i < CYCLES; i++) {
// create random path
char full_path[256];
for (unsigned d = 0; d < DEPTH; d++) {
sprintf(&full_path[2*d], "/%c", alpha[TEST_PRNG(&prng) % FILES]);
}
// if it does not exist, we create it, else we destroy
struct lfs_info info;
int res = lfs_stat(&lfs, full_path, &info);
assert(!res || res == LFS_ERR_NOENT);
if (res == LFS_ERR_NOENT) {
// create each directory in turn, ignore if dir already exists
for (unsigned d = 0; d < DEPTH; d++) {
char path[1024];
strcpy(path, full_path);
path[2*d+2] = '\0';
err = lfs_mkdir(&lfs, path);
assert(!err || err == LFS_ERR_EXIST);
}
for (unsigned d = 0; d < DEPTH; d++) {
char path[1024];
strcpy(path, full_path);
path[2*d+2] = '\0';
lfs_stat(&lfs, path, &info) => 0;
assert(strcmp(info.name, &path[2*d+1]) == 0);
assert(info.type == LFS_TYPE_DIR);
}
} else {
assert(strcmp(info.name, &full_path[2*(DEPTH-1)+1]) == 0);
assert(info.type == LFS_TYPE_DIR);
// create new random path
char new_path[256];
for (unsigned d = 0; d < DEPTH; d++) {
sprintf(&new_path[2*d], "/%c", alpha[TEST_PRNG(&prng) % FILES]);
}
// if new path does not exist, rename, otherwise destroy
res = lfs_stat(&lfs, new_path, &info);
assert(!res || res == LFS_ERR_NOENT);
if (res == LFS_ERR_NOENT) {
// stop once some dir is renamed
for (unsigned d = 0; d < DEPTH; d++) {
char path[1024];
strcpy(&path[2*d], &full_path[2*d]);
path[2*d+2] = '\0';
strcpy(&path[128+2*d], &new_path[2*d]);
path[128+2*d+2] = '\0';
err = lfs_rename(&lfs, path, path+128);
assert(!err || err == LFS_ERR_NOTEMPTY);
if (!err) {
strcpy(path, path+128);
}
}
for (unsigned d = 0; d < DEPTH; d++) {
char path[1024];
strcpy(path, new_path);
path[2*d+2] = '\0';
lfs_stat(&lfs, path, &info) => 0;
assert(strcmp(info.name, &path[2*d+1]) == 0);
assert(info.type == LFS_TYPE_DIR);
}
lfs_stat(&lfs, full_path, &info) => LFS_ERR_NOENT;
} else {
// try to delete path in reverse order,
// ignore if dir is not empty
for (unsigned d = DEPTH-1; d+1 > 0; d--) {
char path[1024];
strcpy(path, full_path);
path[2*d+2] = '\0';
err = lfs_remove(&lfs, path);
assert(!err || err == LFS_ERR_NOTEMPTY);
}
lfs_stat(&lfs, full_path, &info) => LFS_ERR_NOENT;
}
}
}
lfs_unmount(&lfs) => 0;
'''
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