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weekly_20230808
third_party_littlefs/tests/test_paths.toml
Christopher Haster d04b077506 Fixed minor things to get CI passing again 
- Added caching to Travis install dirs, because otherwise
  pip3 install fails randomly
- Increased size of littlefs-fuse disk because test script has
  a larger footprint now
- Skip a couple of reentrant tests under byte-level writes because
  the tests just take too long and cause Travis to bail due to no
  output for 10m
- Fixed various Valgrind errors
  - Suppressed uninit checks for tests where LFS_BLOCK_ERASE_VALUE == -1.
    In this case rambd goes uninitialized, which is fine for rambd's
    purposes. Note I couldn't figure out how to limit this suppression
    to only the malloc in rambd, this doesn't seem possible with Valgrind.
  - Fixed memory leaks in exhaustion tests
  - Fixed off-by-1 string null-terminator issue in paths tests
- Fixed lfs_file_sync issue caused by revealed by fixing memory leaks
  in exhaustion tests. Getting ENOSPC during a file write puts the file
  in a bad state where littlefs doesn't know how to write it out safely.
  In this case, lfs_file_sync and lfs_file_close return 0 without
  writing out state so that device-side resources can still be cleaned
  up. To recover from ENOSPC, the file needs to be reopened and the
  writes recreated. Not sure if there is a better way to handle this.
- Added some quality-of-life improvements to Valgrind testing
  - Fit Valgrind messages into truncated output when not in verbose mode
  - Turned on origin tracking
2020-02-18 18:05:03 -06:00

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[[case]] # simple path test
code = '''
lfs_format(&lfs, &cfg) => 0;
lfs_mount(&lfs, &cfg) => 0;
lfs_mkdir(&lfs, "tea") => 0;
lfs_mkdir(&lfs, "tea/hottea") => 0;
lfs_mkdir(&lfs, "tea/warmtea") => 0;
lfs_mkdir(&lfs, "tea/coldtea") => 0;
lfs_stat(&lfs, "tea/hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs_stat(&lfs, "/tea/hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs_mkdir(&lfs, "/milk") => 0;
lfs_stat(&lfs, "/milk", &info) => 0;
assert(strcmp(info.name, "milk") == 0);
lfs_stat(&lfs, "milk", &info) => 0;
assert(strcmp(info.name, "milk") == 0);
lfs_unmount(&lfs) => 0;
'''
[[case]] # redundant slashes
code = '''
lfs_format(&lfs, &cfg) => 0;
lfs_mount(&lfs, &cfg) => 0;
lfs_mkdir(&lfs, "tea") => 0;
lfs_mkdir(&lfs, "tea/hottea") => 0;
lfs_mkdir(&lfs, "tea/warmtea") => 0;
lfs_mkdir(&lfs, "tea/coldtea") => 0;
lfs_stat(&lfs, "/tea/hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs_stat(&lfs, "//tea//hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs_stat(&lfs, "///tea///hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs_mkdir(&lfs, "////milk") => 0;
lfs_stat(&lfs, "////milk", &info) => 0;
assert(strcmp(info.name, "milk") == 0);
lfs_stat(&lfs, "milk", &info) => 0;
assert(strcmp(info.name, "milk") == 0);
lfs_unmount(&lfs) => 0;
'''
[[case]] # dot path test
code = '''
lfs_format(&lfs, &cfg) => 0;
lfs_mount(&lfs, &cfg) => 0;
lfs_mkdir(&lfs, "tea") => 0;
lfs_mkdir(&lfs, "tea/hottea") => 0;
lfs_mkdir(&lfs, "tea/warmtea") => 0;
lfs_mkdir(&lfs, "tea/coldtea") => 0;
lfs_stat(&lfs, "./tea/hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs_stat(&lfs, "/./tea/hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs_stat(&lfs, "/././tea/hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs_stat(&lfs, "/./tea/./hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs_mkdir(&lfs, "/./milk") => 0;
lfs_stat(&lfs, "/./milk", &info) => 0;
assert(strcmp(info.name, "milk") == 0);
lfs_stat(&lfs, "milk", &info) => 0;
assert(strcmp(info.name, "milk") == 0);
lfs_unmount(&lfs) => 0;
'''
[[case]] # dot dot path test
code = '''
lfs_format(&lfs, &cfg) => 0;
lfs_mount(&lfs, &cfg) => 0;
lfs_mkdir(&lfs, "tea") => 0;
lfs_mkdir(&lfs, "tea/hottea") => 0;
lfs_mkdir(&lfs, "tea/warmtea") => 0;
lfs_mkdir(&lfs, "tea/coldtea") => 0;
lfs_mkdir(&lfs, "coffee") => 0;
lfs_mkdir(&lfs, "coffee/hotcoffee") => 0;
lfs_mkdir(&lfs, "coffee/warmcoffee") => 0;
lfs_mkdir(&lfs, "coffee/coldcoffee") => 0;
lfs_stat(&lfs, "coffee/../tea/hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs_stat(&lfs, "tea/coldtea/../hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs_stat(&lfs, "coffee/coldcoffee/../../tea/hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs_stat(&lfs, "coffee/../coffee/../tea/hottea", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs_mkdir(&lfs, "coffee/../milk") => 0;
lfs_stat(&lfs, "coffee/../milk", &info) => 0;
strcmp(info.name, "milk") => 0;
lfs_stat(&lfs, "milk", &info) => 0;
strcmp(info.name, "milk") => 0;
lfs_unmount(&lfs) => 0;
'''
[[case]] # trailing dot path test
code = '''
lfs_format(&lfs, &cfg) => 0;
lfs_mount(&lfs, &cfg) => 0;
lfs_mkdir(&lfs, "tea") => 0;
lfs_mkdir(&lfs, "tea/hottea") => 0;
lfs_mkdir(&lfs, "tea/warmtea") => 0;
lfs_mkdir(&lfs, "tea/coldtea") => 0;
lfs_stat(&lfs, "tea/hottea/", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs_stat(&lfs, "tea/hottea/.", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs_stat(&lfs, "tea/hottea/./.", &info) => 0;
assert(strcmp(info.name, "hottea") == 0);
lfs_stat(&lfs, "tea/hottea/..", &info) => 0;
assert(strcmp(info.name, "tea") == 0);
lfs_stat(&lfs, "tea/hottea/../.", &info) => 0;
assert(strcmp(info.name, "tea") == 0);
lfs_unmount(&lfs) => 0;
'''
[[case]] # leading dot path test
code = '''
lfs_format(&lfs, &cfg) => 0;
lfs_mount(&lfs, &cfg) => 0;
lfs_mkdir(&lfs, ".milk") => 0;
lfs_stat(&lfs, ".milk", &info) => 0;
strcmp(info.name, ".milk") => 0;
lfs_stat(&lfs, "tea/.././.milk", &info) => 0;
strcmp(info.name, ".milk") => 0;
lfs_unmount(&lfs) => 0;
'''
[[case]] # root dot dot path test
code = '''
lfs_format(&lfs, &cfg) => 0;
lfs_mount(&lfs, &cfg) => 0;
lfs_mkdir(&lfs, "tea") => 0;
lfs_mkdir(&lfs, "tea/hottea") => 0;
lfs_mkdir(&lfs, "tea/warmtea") => 0;
lfs_mkdir(&lfs, "tea/coldtea") => 0;
lfs_mkdir(&lfs, "coffee") => 0;
lfs_mkdir(&lfs, "coffee/hotcoffee") => 0;
lfs_mkdir(&lfs, "coffee/warmcoffee") => 0;
lfs_mkdir(&lfs, "coffee/coldcoffee") => 0;
lfs_stat(&lfs, "coffee/../../../../../../tea/hottea", &info) => 0;
strcmp(info.name, "hottea") => 0;
lfs_mkdir(&lfs, "coffee/../../../../../../milk") => 0;
lfs_stat(&lfs, "coffee/../../../../../../milk", &info) => 0;
strcmp(info.name, "milk") => 0;
lfs_stat(&lfs, "milk", &info) => 0;
strcmp(info.name, "milk") => 0;
lfs_unmount(&lfs) => 0;
'''
[[case]] # invalid path tests
code = '''
lfs_format(&lfs, &cfg);
lfs_mount(&lfs, &cfg) => 0;
lfs_stat(&lfs, "dirt", &info) => LFS_ERR_NOENT;
lfs_stat(&lfs, "dirt/ground", &info) => LFS_ERR_NOENT;
lfs_stat(&lfs, "dirt/ground/earth", &info) => LFS_ERR_NOENT;
lfs_remove(&lfs, "dirt") => LFS_ERR_NOENT;
lfs_remove(&lfs, "dirt/ground") => LFS_ERR_NOENT;
lfs_remove(&lfs, "dirt/ground/earth") => LFS_ERR_NOENT;
lfs_mkdir(&lfs, "dirt/ground") => LFS_ERR_NOENT;
lfs_file_open(&lfs, &file, "dirt/ground", LFS_O_WRONLY | LFS_O_CREAT)
=> LFS_ERR_NOENT;
lfs_mkdir(&lfs, "dirt/ground/earth") => LFS_ERR_NOENT;
lfs_file_open(&lfs, &file, "dirt/ground/earth", LFS_O_WRONLY | LFS_O_CREAT)
=> LFS_ERR_NOENT;
lfs_unmount(&lfs) => 0;
'''
[[case]] # root operations
code = '''
lfs_format(&lfs, &cfg) => 0;
lfs_mount(&lfs, &cfg) => 0;
lfs_stat(&lfs, "/", &info) => 0;
assert(strcmp(info.name, "/") == 0);
assert(info.type == LFS_TYPE_DIR);
lfs_mkdir(&lfs, "/") => LFS_ERR_EXIST;
lfs_file_open(&lfs, &file, "/", LFS_O_WRONLY | LFS_O_CREAT)
=> LFS_ERR_ISDIR;
lfs_remove(&lfs, "/") => LFS_ERR_INVAL;
lfs_unmount(&lfs) => 0;
'''
[[case]] # root representations
code = '''
lfs_format(&lfs, &cfg) => 0;
lfs_mount(&lfs, &cfg) => 0;
lfs_stat(&lfs, "/", &info) => 0;
assert(strcmp(info.name, "/") == 0);
assert(info.type == LFS_TYPE_DIR);
lfs_stat(&lfs, "", &info) => 0;
assert(strcmp(info.name, "/") == 0);
assert(info.type == LFS_TYPE_DIR);
lfs_stat(&lfs, ".", &info) => 0;
assert(strcmp(info.name, "/") == 0);
assert(info.type == LFS_TYPE_DIR);
lfs_stat(&lfs, "..", &info) => 0;
assert(strcmp(info.name, "/") == 0);
assert(info.type == LFS_TYPE_DIR);
lfs_stat(&lfs, "//", &info) => 0;
assert(strcmp(info.name, "/") == 0);
assert(info.type == LFS_TYPE_DIR);
lfs_stat(&lfs, "./", &info) => 0;
assert(strcmp(info.name, "/") == 0);
assert(info.type == LFS_TYPE_DIR);
lfs_unmount(&lfs) => 0;
'''
[[case]] # superblock conflict test
code = '''
lfs_format(&lfs, &cfg) => 0;
lfs_mount(&lfs, &cfg) => 0;
lfs_stat(&lfs, "littlefs", &info) => LFS_ERR_NOENT;
lfs_remove(&lfs, "littlefs") => LFS_ERR_NOENT;
lfs_mkdir(&lfs, "littlefs") => 0;
lfs_stat(&lfs, "littlefs", &info) => 0;
assert(strcmp(info.name, "littlefs") == 0);
assert(info.type == LFS_TYPE_DIR);
lfs_remove(&lfs, "littlefs") => 0;
lfs_stat(&lfs, "littlefs", &info) => LFS_ERR_NOENT;
lfs_unmount(&lfs) => 0;
'''
[[case]] # max path test
code = '''
lfs_format(&lfs, &cfg) => 0;
lfs_mount(&lfs, &cfg) => 0;
lfs_mkdir(&lfs, "coffee") => 0;
lfs_mkdir(&lfs, "coffee/hotcoffee") => 0;
lfs_mkdir(&lfs, "coffee/warmcoffee") => 0;
lfs_mkdir(&lfs, "coffee/coldcoffee") => 0;
memset(path, 'w', LFS_NAME_MAX+1);
path[LFS_NAME_MAX+1] = '\0';
lfs_mkdir(&lfs, path) => LFS_ERR_NAMETOOLONG;
lfs_file_open(&lfs, &file, path, LFS_O_WRONLY | LFS_O_CREAT)
=> LFS_ERR_NAMETOOLONG;
memcpy(path, "coffee/", strlen("coffee/"));
memset(path+strlen("coffee/"), 'w', LFS_NAME_MAX+1);
path[strlen("coffee/")+LFS_NAME_MAX+1] = '\0';
lfs_mkdir(&lfs, path) => LFS_ERR_NAMETOOLONG;
lfs_file_open(&lfs, &file, path, LFS_O_WRONLY | LFS_O_CREAT)
=> LFS_ERR_NAMETOOLONG;
lfs_unmount(&lfs) => 0;
'''
[[case]] # really big path test
code = '''
lfs_format(&lfs, &cfg) => 0;
lfs_mount(&lfs, &cfg) => 0;
lfs_mkdir(&lfs, "coffee") => 0;
lfs_mkdir(&lfs, "coffee/hotcoffee") => 0;
lfs_mkdir(&lfs, "coffee/warmcoffee") => 0;
lfs_mkdir(&lfs, "coffee/coldcoffee") => 0;
memset(path, 'w', LFS_NAME_MAX);
path[LFS_NAME_MAX] = '\0';
lfs_mkdir(&lfs, path) => 0;
lfs_remove(&lfs, path) => 0;
lfs_file_open(&lfs, &file, path,
LFS_O_WRONLY | LFS_O_CREAT) => 0;
lfs_file_close(&lfs, &file) => 0;
lfs_remove(&lfs, path) => 0;
memcpy(path, "coffee/", strlen("coffee/"));
memset(path+strlen("coffee/"), 'w', LFS_NAME_MAX);
path[strlen("coffee/")+LFS_NAME_MAX] = '\0';
lfs_mkdir(&lfs, path) => 0;
lfs_remove(&lfs, path) => 0;
lfs_file_open(&lfs, &file, path,
LFS_O_WRONLY | LFS_O_CREAT) => 0;
lfs_file_close(&lfs, &file) => 0;
lfs_remove(&lfs, path) => 0;
lfs_unmount(&lfs) => 0;
'''
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