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Fix file_time_type handling when building against MSVC C++17 std::filesystem, additional test fixes.

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This commit is contained in:
Steffen Schümann 2019-05-06 08:44:33 +02:00
parent b557b5b476
commit 36398a00ea
1 changed files with 25 additions and 6 deletions
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31
test/filesystem_test.cpp
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@ -95,8 +95,21 @@ template <typename TP>
std::time_t to_time_t(TP tp)
{
// Based on trick from: Nico Josuttis, C++17 - The Complete Guide
std::chrono::system_clock::duration dt = std::chrono::duration_cast<std::chrono::system_clock::duration>(tp - TP::clock::now());
return std::chrono::system_clock::to_time_t(std::chrono::system_clock::now() + dt);
using namespace std::chrono;
auto sctp = time_point_cast<system_clock::duration>(tp - TP::clock::now() + system_clock::now());
//system_clock::duration dt = duration_cast<system_clock::duration>(tp - TP::clock::now());
return system_clock::to_time_t(sctp);
}
template <typename TP>
TP from_time_t(std::time_t t)
{
// Based on trick from: Nico Josuttis, C++17 - The Complete Guide
using namespace std::chrono;
auto sctp = system_clock::from_time_t(t);
auto tp = time_point_cast<TP::duration>(sctp - system_clock::now() + TP::clock::now());
// system_clock::duration dt = duration_cast<system_clock::duration>(tp - TP::clock::now());
return tp;
}
namespace Catch {
@ -118,9 +131,15 @@ struct StringMaker<fs::file_time_type>
static std::string convert(fs::file_time_type const& value)
{
std::time_t t = to_time_t(value);
std::tm ttm = *std::localtime(&t);
std::tm* ptm = std::localtime(&t);
std::ostringstream os;
os << std::put_time(&ttm, "%Y-%m-%d %H:%M:%S");
if (ptm) {
std::tm ttm = *ptm;
os << std::put_time(&ttm, "%Y-%m-%d %H:%M:%S");
}
else {
os << "(invalid-time)";
}
return os.str();
}
};
@ -1981,7 +2000,7 @@ static fs::file_time_type timeFromString(const std::string& str)
throw std::exception();
}
#ifdef IS_WCHAR_PATH
return fs::file_time_type::min();
return from_time_t<fs::file_time_type>(std::mktime(&tm));
#else
return fs::file_time_type::clock::from_time_t(std::mktime(&tm));
#endif
@ -2314,7 +2333,7 @@ TEST_CASE("Windows: Long filename support", "[filesystem][path][fs.path.win.long
{
TemporaryDirectory t(TempOpt::change_path);
char c = 'A';
fs::path dir = fs::current_path();
fs::path dir = "\\\\?\\" + fs::current_path().u8string();
for (; c <= 'Z'; ++c) {
std::string part = std::string(16, c);
dir /= part;