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Fix wchar_t tm formatting

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This commit is contained in:
Vladislav Shchapov 2021-09-13 12:12:36 +05:00 committed by Victor Zverovich
parent 92614ecbf9
commit d9fd695ac7
2 changed files with 9 additions and 4 deletions
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11
include/fmt/chrono.h
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@ -564,10 +564,13 @@ template <typename Char> struct formatter<std::tm, Char> {
while (end != ctx.end() && *end != '}') ++end;
auto size = detail::to_unsigned(end - it);
specs = {it, size};
if (specs == string_view("%F", 2))
spec_ = spec::year_month_day;
else if (specs == string_view("%T", 2))
spec_ = spec::hh_mm_ss;
// basic_string_view<>::compare isn't constexpr before C++17
if (specs.size() == 2 && specs[0] == Char('%')) {
if (specs[1] == Char('F'))
spec_ = spec::year_month_day;
else if (specs[1] == Char('T'))
spec_ = spec::hh_mm_ss;
}
return end;
}

2
test/xchar-test.cc
View File

@ -261,6 +261,8 @@ TEST(xchar_test, chrono) {
EXPECT_EQ(fmt::format("The date is {:%Y-%m-%d %H:%M:%S}.", tm),
"The date is 2016-04-25 11:22:33.");
EXPECT_EQ(L"42s", fmt::format(L"{}", std::chrono::seconds(42)));
EXPECT_EQ(fmt::format(L"{:%F}", tm), L"2016-04-25");
EXPECT_EQ(fmt::format(L"{:%T}", tm), L"11:22:33");
}
TEST(xchar_test, color) {