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#include <filesystem>
int main()
{
std::filesystem::path p0(L"/a/b/c");
std::filesystem::path p1("/a/b/c");
std::filesystem::path p2("/a/b/c");
if (p1 != p2) {
return 1;
}
#if defined(_WIN32)
std::filesystem::path p3("//host/a/b/../c");
if (p3.lexically_normal().generic_string() != "//host/a/c") {
return 1;
}
std::filesystem::path p4("c://a/.///b/../");
if (p4.lexically_normal().generic_string() != "c:/a/") {
return 1;
}
#endif
// If std::string is copy-on-write, the std::filesystem::path
// implementation may accidentally trigger a reallocation and compute
// an offset between two allocations, leading to undefined behavior.
#if defined(__GLIBCXX__) && \
(!defined(_GLIBCXX_USE_CXX11_ABI) || !_GLIBCXX_USE_CXX11_ABI)
std::string p5s1 = "/path";
std::string p5s2 = std::move(p5s1);
std::filesystem::path p5 = std::string(p5s2);
p5.remove_filename();
#endif
return 0;
}
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