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third_party_littlefs/tests/test_truncate.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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# simple truncate
[cases.test_truncate_simple]
defines.MEDIUMSIZE = [31, 32, 33, 511, 512, 513, 2047, 2048, 2049]
defines.LARGESIZE = [32, 33, 512, 513, 2048, 2049, 8192, 8193]
if = 'MEDIUMSIZE < LARGESIZE'
code = '''
lfs_t lfs;
lfs_format(&lfs, cfg) => 0;
lfs_mount(&lfs, cfg) => 0;
lfs_file_t file;
lfs_file_open(&lfs, &file, "baldynoop",
LFS_O_WRONLY | LFS_O_CREAT) => 0;
uint8_t buffer[1024];
strcpy((char*)buffer, "hair");
size_t size = strlen((char*)buffer);
for (lfs_off_t j = 0; j < LARGESIZE; j += size) {
lfs_file_write(&lfs, &file, buffer, lfs_min(size, LARGESIZE-j))
=> lfs_min(size, LARGESIZE-j);
}
lfs_file_size(&lfs, &file) => LARGESIZE;
lfs_file_close(&lfs, &file) => 0;
lfs_unmount(&lfs) => 0;
lfs_mount(&lfs, cfg) => 0;
lfs_file_open(&lfs, &file, "baldynoop", LFS_O_RDWR) => 0;
lfs_file_size(&lfs, &file) => LARGESIZE;
lfs_file_truncate(&lfs, &file, MEDIUMSIZE) => 0;
lfs_file_size(&lfs, &file) => MEDIUMSIZE;
lfs_file_close(&lfs, &file) => 0;
lfs_unmount(&lfs) => 0;
lfs_mount(&lfs, cfg) => 0;
lfs_file_open(&lfs, &file, "baldynoop", LFS_O_RDONLY) => 0;
lfs_file_size(&lfs, &file) => MEDIUMSIZE;
size = strlen("hair");
for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
lfs_file_read(&lfs, &file, buffer, lfs_min(size, MEDIUMSIZE-j))
=> lfs_min(size, MEDIUMSIZE-j);
memcmp(buffer, "hair", lfs_min(size, MEDIUMSIZE-j)) => 0;
}
lfs_file_read(&lfs, &file, buffer, size) => 0;
lfs_file_close(&lfs, &file) => 0;
lfs_unmount(&lfs) => 0;
'''
# truncate and read
[cases.test_truncate_read]
defines.MEDIUMSIZE = [31, 32, 33, 511, 512, 513, 2047, 2048, 2049]
defines.LARGESIZE = [32, 33, 512, 513, 2048, 2049, 8192, 8193]
if = 'MEDIUMSIZE < LARGESIZE'
code = '''
lfs_t lfs;
lfs_format(&lfs, cfg) => 0;
lfs_mount(&lfs, cfg) => 0;
lfs_file_t file;
lfs_file_open(&lfs, &file, "baldyread",
LFS_O_WRONLY | LFS_O_CREAT) => 0;
uint8_t buffer[1024];
strcpy((char*)buffer, "hair");
size_t size = strlen((char*)buffer);
for (lfs_off_t j = 0; j < LARGESIZE; j += size) {
lfs_file_write(&lfs, &file, buffer, lfs_min(size, LARGESIZE-j))
=> lfs_min(size, LARGESIZE-j);
}
lfs_file_size(&lfs, &file) => LARGESIZE;
lfs_file_close(&lfs, &file) => 0;
lfs_unmount(&lfs) => 0;
lfs_mount(&lfs, cfg) => 0;
lfs_file_open(&lfs, &file, "baldyread", LFS_O_RDWR) => 0;
lfs_file_size(&lfs, &file) => LARGESIZE;
lfs_file_truncate(&lfs, &file, MEDIUMSIZE) => 0;
lfs_file_size(&lfs, &file) => MEDIUMSIZE;
size = strlen("hair");
for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
lfs_file_read(&lfs, &file, buffer, lfs_min(size, MEDIUMSIZE-j))
=> lfs_min(size, MEDIUMSIZE-j);
memcmp(buffer, "hair", lfs_min(size, MEDIUMSIZE-j)) => 0;
}
lfs_file_read(&lfs, &file, buffer, size) => 0;
lfs_file_close(&lfs, &file) => 0;
lfs_unmount(&lfs) => 0;
lfs_mount(&lfs, cfg) => 0;
lfs_file_open(&lfs, &file, "baldyread", LFS_O_RDONLY) => 0;
lfs_file_size(&lfs, &file) => MEDIUMSIZE;
size = strlen("hair");
for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
lfs_file_read(&lfs, &file, buffer, lfs_min(size, MEDIUMSIZE-j))
=> lfs_min(size, MEDIUMSIZE-j);
memcmp(buffer, "hair", lfs_min(size, MEDIUMSIZE-j)) => 0;
}
lfs_file_read(&lfs, &file, buffer, size) => 0;
lfs_file_close(&lfs, &file) => 0;
lfs_unmount(&lfs) => 0;
'''
# write, truncate, and read
[cases.test_truncate_write_read]
code = '''
lfs_t lfs;
lfs_format(&lfs, cfg) => 0;
lfs_mount(&lfs, cfg) => 0;
lfs_file_t file;
lfs_file_open(&lfs, &file, "sequence",
LFS_O_RDWR | LFS_O_CREAT | LFS_O_TRUNC) => 0;
uint8_t buffer[1024];
size_t size = lfs_min(lfs.cfg->cache_size, sizeof(buffer)/2);
lfs_size_t qsize = size / 4;
uint8_t *wb = buffer;
uint8_t *rb = buffer + size;
for (lfs_off_t j = 0; j < size; ++j) {
wb[j] = j;
}
/* Spread sequence over size */
lfs_file_write(&lfs, &file, wb, size) => size;
lfs_file_size(&lfs, &file) => size;
lfs_file_tell(&lfs, &file) => size;
lfs_file_seek(&lfs, &file, 0, LFS_SEEK_SET) => 0;
lfs_file_tell(&lfs, &file) => 0;
/* Chop off the last quarter */
lfs_size_t trunc = size - qsize;
lfs_file_truncate(&lfs, &file, trunc) => 0;
lfs_file_tell(&lfs, &file) => 0;
lfs_file_size(&lfs, &file) => trunc;
/* Read should produce first 3/4 */
lfs_file_read(&lfs, &file, rb, size) => trunc;
memcmp(rb, wb, trunc) => 0;
/* Move to 1/4 */
lfs_file_size(&lfs, &file) => trunc;
lfs_file_seek(&lfs, &file, qsize, LFS_SEEK_SET) => qsize;
lfs_file_tell(&lfs, &file) => qsize;
/* Chop to 1/2 */
trunc -= qsize;
lfs_file_truncate(&lfs, &file, trunc) => 0;
lfs_file_tell(&lfs, &file) => qsize;
lfs_file_size(&lfs, &file) => trunc;
/* Read should produce second quarter */
lfs_file_read(&lfs, &file, rb, size) => trunc - qsize;
memcmp(rb, wb + qsize, trunc - qsize) => 0;
lfs_file_close(&lfs, &file) => 0;
lfs_unmount(&lfs) => 0;
'''
# truncate and write
[cases.test_truncate_write]
defines.MEDIUMSIZE = [31, 32, 33, 511, 512, 513, 2047, 2048, 2049]
defines.LARGESIZE = [32, 33, 512, 513, 2048, 2049, 8192, 8193]
if = 'MEDIUMSIZE < LARGESIZE'
code = '''
lfs_t lfs;
lfs_format(&lfs, cfg) => 0;
lfs_mount(&lfs, cfg) => 0;
lfs_file_t file;
lfs_file_open(&lfs, &file, "baldywrite",
LFS_O_WRONLY | LFS_O_CREAT) => 0;
uint8_t buffer[1024];
strcpy((char*)buffer, "hair");
size_t size = strlen((char*)buffer);
for (lfs_off_t j = 0; j < LARGESIZE; j += size) {
lfs_file_write(&lfs, &file, buffer, lfs_min(size, LARGESIZE-j))
=> lfs_min(size, LARGESIZE-j);
}
lfs_file_size(&lfs, &file) => LARGESIZE;
lfs_file_close(&lfs, &file) => 0;
lfs_unmount(&lfs) => 0;
lfs_mount(&lfs, cfg) => 0;
lfs_file_open(&lfs, &file, "baldywrite", LFS_O_RDWR) => 0;
lfs_file_size(&lfs, &file) => LARGESIZE;
/* truncate */
lfs_file_truncate(&lfs, &file, MEDIUMSIZE) => 0;
lfs_file_size(&lfs, &file) => MEDIUMSIZE;
/* and write */
strcpy((char*)buffer, "bald");
size = strlen((char*)buffer);
for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
lfs_file_write(&lfs, &file, buffer, lfs_min(size, MEDIUMSIZE-j))
=> lfs_min(size, MEDIUMSIZE-j);
}
lfs_file_size(&lfs, &file) => MEDIUMSIZE;
lfs_file_close(&lfs, &file) => 0;
lfs_unmount(&lfs) => 0;
lfs_mount(&lfs, cfg) => 0;
lfs_file_open(&lfs, &file, "baldywrite", LFS_O_RDONLY) => 0;
lfs_file_size(&lfs, &file) => MEDIUMSIZE;
size = strlen("bald");
for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
lfs_file_read(&lfs, &file, buffer, lfs_min(size, MEDIUMSIZE-j))
=> lfs_min(size, MEDIUMSIZE-j);
memcmp(buffer, "bald", lfs_min(size, MEDIUMSIZE-j)) => 0;
}
lfs_file_read(&lfs, &file, buffer, size) => 0;
lfs_file_close(&lfs, &file) => 0;
lfs_unmount(&lfs) => 0;
'''
# truncate write under powerloss
[cases.test_truncate_reentrant_write]
defines.SMALLSIZE = [4, 512]
defines.MEDIUMSIZE = [0, 3, 4, 5, 31, 32, 33, 511, 512, 513, 1023, 1024, 1025]
defines.LARGESIZE = 2048
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;
err = lfs_file_open(&lfs, &file, "baldy", LFS_O_RDONLY);
assert(!err || err == LFS_ERR_NOENT);
if (!err) {
size_t size = lfs_file_size(&lfs, &file);
assert(size == 0 ||
size == (size_t)LARGESIZE ||
size == (size_t)MEDIUMSIZE ||
size == (size_t)SMALLSIZE);
for (lfs_off_t j = 0; j < size; j += 4) {
uint8_t buffer[1024];
lfs_file_read(&lfs, &file, buffer, lfs_min(4, size-j))
=> lfs_min(4, size-j);
assert(memcmp(buffer, "hair", lfs_min(4, size-j)) == 0 ||
memcmp(buffer, "bald", lfs_min(4, size-j)) == 0 ||
memcmp(buffer, "comb", lfs_min(4, size-j)) == 0);
}
lfs_file_close(&lfs, &file) => 0;
}
lfs_file_open(&lfs, &file, "baldy",
LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
lfs_file_size(&lfs, &file) => 0;
uint8_t buffer[1024];
strcpy((char*)buffer, "hair");
size_t size = strlen((char*)buffer);
for (lfs_off_t j = 0; j < LARGESIZE; j += size) {
lfs_file_write(&lfs, &file, buffer, lfs_min(size, LARGESIZE-j))
=> lfs_min(size, LARGESIZE-j);
}
lfs_file_size(&lfs, &file) => LARGESIZE;
lfs_file_close(&lfs, &file) => 0;
lfs_file_open(&lfs, &file, "baldy", LFS_O_RDWR) => 0;
lfs_file_size(&lfs, &file) => LARGESIZE;
/* truncate */
lfs_file_truncate(&lfs, &file, MEDIUMSIZE) => 0;
lfs_file_size(&lfs, &file) => MEDIUMSIZE;
/* and write */
strcpy((char*)buffer, "bald");
size = strlen((char*)buffer);
for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
lfs_file_write(&lfs, &file, buffer, lfs_min(size, MEDIUMSIZE-j))
=> lfs_min(size, MEDIUMSIZE-j);
}
lfs_file_size(&lfs, &file) => MEDIUMSIZE;
lfs_file_close(&lfs, &file) => 0;
lfs_file_open(&lfs, &file, "baldy", LFS_O_RDWR) => 0;
lfs_file_size(&lfs, &file) => MEDIUMSIZE;
lfs_file_truncate(&lfs, &file, SMALLSIZE) => 0;
lfs_file_size(&lfs, &file) => SMALLSIZE;
strcpy((char*)buffer, "comb");
size = strlen((char*)buffer);
for (lfs_off_t j = 0; j < SMALLSIZE; j += size) {
lfs_file_write(&lfs, &file, buffer, lfs_min(size, SMALLSIZE-j))
=> lfs_min(size, SMALLSIZE-j);
}
lfs_file_size(&lfs, &file) => SMALLSIZE;
lfs_file_close(&lfs, &file) => 0;
lfs_unmount(&lfs) => 0;
'''
# more aggressive general truncation tests
[cases.test_truncate_aggressive]
defines.CONFIG = 'range(6)'
defines.SMALLSIZE = 32
defines.MEDIUMSIZE = 2048
defines.LARGESIZE = 8192
code = '''
lfs_t lfs;
#define COUNT 5
const struct {
lfs_off_t startsizes[COUNT];
lfs_off_t startseeks[COUNT];
lfs_off_t hotsizes[COUNT];
lfs_off_t coldsizes[COUNT];
} configs[] = {
// cold shrinking
{{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
{ 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE}},
// cold expanding
{{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
{ 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE}},
// warm shrinking truncate
{{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
{ 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE},
{ 0, 0, 0, 0, 0}},
// warm expanding truncate
{{ 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE},
{ 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE},
{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE}},
// mid-file shrinking truncate
{{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
{ LARGESIZE, LARGESIZE, LARGESIZE, LARGESIZE, LARGESIZE},
{ 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE},
{ 0, 0, 0, 0, 0}},
// mid-file expanding truncate
{{ 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE},
{ 0, 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE},
{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE}},
};
const lfs_off_t *startsizes = configs[CONFIG].startsizes;
const lfs_off_t *startseeks = configs[CONFIG].startseeks;
const lfs_off_t *hotsizes = configs[CONFIG].hotsizes;
const lfs_off_t *coldsizes = configs[CONFIG].coldsizes;
lfs_format(&lfs, cfg) => 0;
lfs_mount(&lfs, cfg) => 0;
for (unsigned i = 0; i < COUNT; i++) {
char path[1024];
sprintf(path, "hairyhead%d", i);
lfs_file_t file;
lfs_file_open(&lfs, &file, path,
LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
uint8_t buffer[1024];
strcpy((char*)buffer, "hair");
size_t size = strlen((char*)buffer);
for (lfs_off_t j = 0; j < startsizes[i]; j += size) {
lfs_file_write(&lfs, &file, buffer, size) => size;
}
lfs_file_size(&lfs, &file) => startsizes[i];
if (startseeks[i] != startsizes[i]) {
lfs_file_seek(&lfs, &file,
startseeks[i], LFS_SEEK_SET) => startseeks[i];
}
lfs_file_truncate(&lfs, &file, hotsizes[i]) => 0;
lfs_file_size(&lfs, &file) => hotsizes[i];
lfs_file_close(&lfs, &file) => 0;
}
lfs_unmount(&lfs) => 0;
lfs_mount(&lfs, cfg) => 0;
for (unsigned i = 0; i < COUNT; i++) {
char path[1024];
sprintf(path, "hairyhead%d", i);
lfs_file_t file;
lfs_file_open(&lfs, &file, path, LFS_O_RDWR) => 0;
lfs_file_size(&lfs, &file) => hotsizes[i];
size_t size = strlen("hair");
lfs_off_t j = 0;
for (; j < startsizes[i] && j < hotsizes[i]; j += size) {
uint8_t buffer[1024];
lfs_file_read(&lfs, &file, buffer, size) => size;
memcmp(buffer, "hair", size) => 0;
}
for (; j < hotsizes[i]; j += size) {
uint8_t buffer[1024];
lfs_file_read(&lfs, &file, buffer, size) => size;
memcmp(buffer, "\0\0\0\0", size) => 0;
}
lfs_file_truncate(&lfs, &file, coldsizes[i]) => 0;
lfs_file_size(&lfs, &file) => coldsizes[i];
lfs_file_close(&lfs, &file) => 0;
}
lfs_unmount(&lfs) => 0;
lfs_mount(&lfs, cfg) => 0;
for (unsigned i = 0; i < COUNT; i++) {
char path[1024];
sprintf(path, "hairyhead%d", i);
lfs_file_t file;
lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
lfs_file_size(&lfs, &file) => coldsizes[i];
size_t size = strlen("hair");
lfs_off_t j = 0;
for (; j < startsizes[i] && j < hotsizes[i] && j < coldsizes[i];
j += size) {
uint8_t buffer[1024];
lfs_file_read(&lfs, &file, buffer, size) => size;
memcmp(buffer, "hair", size) => 0;
}
for (; j < coldsizes[i]; j += size) {
uint8_t buffer[1024];
lfs_file_read(&lfs, &file, buffer, size) => size;
memcmp(buffer, "\0\0\0\0", size) => 0;
}
lfs_file_close(&lfs, &file) => 0;
}
lfs_unmount(&lfs) => 0;
'''
# noop truncate
[cases.test_truncate_nop]
defines.MEDIUMSIZE = [32, 33, 512, 513, 2048, 2049, 8192, 8193]
code = '''
lfs_t lfs;
lfs_format(&lfs, cfg) => 0;
lfs_mount(&lfs, cfg) => 0;
lfs_file_t file;
lfs_file_open(&lfs, &file, "baldynoop",
LFS_O_RDWR | LFS_O_CREAT) => 0;
uint8_t buffer[1024];
strcpy((char*)buffer, "hair");
size_t size = strlen((char*)buffer);
for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
lfs_file_write(&lfs, &file, buffer, lfs_min(size, MEDIUMSIZE-j))
=> lfs_min(size, MEDIUMSIZE-j);
// this truncate should do nothing
lfs_file_truncate(&lfs, &file, j+lfs_min(size, MEDIUMSIZE-j)) => 0;
}
lfs_file_size(&lfs, &file) => MEDIUMSIZE;
lfs_file_seek(&lfs, &file, 0, LFS_SEEK_SET) => 0;
// should do nothing again
lfs_file_truncate(&lfs, &file, MEDIUMSIZE) => 0;
lfs_file_size(&lfs, &file) => MEDIUMSIZE;
for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
lfs_file_read(&lfs, &file, buffer, lfs_min(size, MEDIUMSIZE-j))
=> lfs_min(size, MEDIUMSIZE-j);
memcmp(buffer, "hair", lfs_min(size, MEDIUMSIZE-j)) => 0;
}
lfs_file_read(&lfs, &file, buffer, size) => 0;
lfs_file_close(&lfs, &file) => 0;
lfs_unmount(&lfs) => 0;
// still there after reboot?
lfs_mount(&lfs, cfg) => 0;
lfs_file_open(&lfs, &file, "baldynoop", LFS_O_RDWR) => 0;
lfs_file_size(&lfs, &file) => MEDIUMSIZE;
for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
lfs_file_read(&lfs, &file, buffer, lfs_min(size, MEDIUMSIZE-j))
=> lfs_min(size, MEDIUMSIZE-j);
memcmp(buffer, "hair", lfs_min(size, MEDIUMSIZE-j)) => 0;
}
lfs_file_read(&lfs, &file, buffer, size) => 0;
lfs_file_close(&lfs, &file) => 0;
lfs_unmount(&lfs) => 0;
'''
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