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refactor: Add fs::PathToString, fs::PathFromString, u8string, u8path functions

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There is no change in behavior. This just helps prepare for the
transition from the boost::filesystem to the std::filesystem path
implementation.

Co-authored-by: Kiminuo <kiminuo@protonmail.com>
This commit is contained in:
Russell Yanofsky
2021-09-10 00:17:20 -04:00
parent 113b863f07
commit b39a477ec6
2 changed files with 104 additions and 1 deletions
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27
src/test/fs_tests.cpp
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@@ -11,6 +11,33 @@
BOOST_FIXTURE_TEST_SUITE(fs_tests, BasicTestingSetup)
BOOST_AUTO_TEST_CASE(fsbridge_pathtostring)
{
std::string u8_str = "fs_tests_₿_🏃";
BOOST_CHECK_EQUAL(fs::PathToString(fs::PathFromString(u8_str)), u8_str);
BOOST_CHECK_EQUAL(fs::u8path(u8_str).u8string(), u8_str);
BOOST_CHECK_EQUAL(fs::PathFromString(u8_str).u8string(), u8_str);
BOOST_CHECK_EQUAL(fs::PathToString(fs::u8path(u8_str)), u8_str);
#ifndef WIN32
// On non-windows systems, verify that arbitrary byte strings containing
// invalid UTF-8 can be round tripped successfully with PathToString and
// PathFromString. On non-windows systems, paths are just byte strings so
// these functions do not do any encoding. On windows, paths are Unicode,
// and these functions do encoding and decoding, so the behavior of this
// test would be undefined.
std::string invalid_u8_str = "\xf0";
BOOST_CHECK_EQUAL(invalid_u8_str.size(), 1);
BOOST_CHECK_EQUAL(fs::PathToString(fs::PathFromString(invalid_u8_str)), invalid_u8_str);
#endif
}
BOOST_AUTO_TEST_CASE(fsbridge_stem)
{
std::string test_filename = "fs_tests_₿_🏃.dat";
std::string expected_stem = "fs_tests_₿_🏃";
BOOST_CHECK_EQUAL(fs::PathToString(fs::PathFromString(test_filename).stem()), expected_stem);
}
BOOST_AUTO_TEST_CASE(fsbridge_fstream)
{
fs::path tmpfolder = m_args.GetDataDirBase();