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feat(storage): add a test app for std::filesystem features

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Ivan Grokhotkov
2024-05-07 15:31:38 +02:00
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tools/test_apps/storage/std_filesystem/README.md
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| 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](https://github.com/catchorg/Catch2) managed [component](https://components.espressif.com/components/espressif/catch2/).
To run the tests:
```shell
idf.py flash monitor
```
Or, in QEMU:
```shell
idf.py qemu monitor
```
Or, using pytest:
```shell
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 | |