esp-idf/tools/test_apps/storage/std_filesystem

Supported Targets	ESP32	ESP32-C3

This is a test app which verifies that std::filesystem features work in ESP-IDF. The tests are written using Catch2 managed component.

To run the tests:

idf.py flash monitor

Or, in QEMU:

idf.py qemu monitor

Or, using pytest:

idf.py build
pytest --embedded-services idf,qemu --target esp32 --ignore managed_components

Feature Support

Please update _cplusplus_filesystem section in cplusplus.rst when modifying this table.

Feature	Supported	Tested	Comment
absolute	y	y
canonical	y	y
weakly_canonical	y	y
relative	y	y
proximate	y	y
copy	y	y	this function has complex behavior, not sure about test coverage
copy_file	y	y
copy_symlink	n	n	symlinks are not supported
create_directory	y	y
create_directories	y	y
create_hard_link	n	n	hard links are not supported
create_symlink	n	n	symlinks are not supported
create_directory_symlink	n	n	symlinks are not supported
current_path	partial	y	setting path is not supported in IDF
exists	y	y
equivalent	y	y
file_size	y	y
hard_link_count	n	n	hard links are not supported
last_write_time	y	y
permissions	partial	y	setting permissions is not supported
read_symlink	n	n	symlinks are not supported
remove	y	y
remove_all	y	y
rename	y	y
resize_file	n	y	doesn't work, toolchain has to be built with _GLIBCXX_HAVE_TRUNCATE
space	n	y	doesn't work, toolchain has to be built with _GLIBCXX_HAVE_SYS_STATVFS_H and statvfs function must be defined
status	y	y
symlink_status	n	n	symlinks are not supported
temp_directory_path	y	y	works if /tmp directory has been mounted
directory_iterator	y	y
recursive_directory_iterator	y	y
is_block_file	y	y
is_character_file	y	y
is_directory	y	y
is_empty	y	y
is_fifo	y	y
is_other	n	n
is_regular_file	y	y
is_socket	y	y
is_symlink	y	y