From fde236b1f719b3a366af4cd5810e847cdb18e480 Mon Sep 17 00:00:00 2001 From: Marshall Clow Date: Thu, 8 Aug 2019 14:36:07 +0000 Subject: Implement hh_mm_ss from P1466R3. Reviewed as https://reviews.llvm.org/D65365. llvm-svn: 368299 --- .../time/time.hms/time.12/make24.pass.cpp | 45 ++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 libcxx/test/std/utilities/time/time.hms/time.12/make24.pass.cpp (limited to 'libcxx/test/std/utilities/time/time.hms/time.12/make24.pass.cpp') diff --git a/libcxx/test/std/utilities/time/time.hms/time.12/make24.pass.cpp b/libcxx/test/std/utilities/time/time.hms/time.12/make24.pass.cpp new file mode 100644 index 00000000000..46a5419076f --- /dev/null +++ b/libcxx/test/std/utilities/time/time.hms/time.12/make24.pass.cpp @@ -0,0 +1,45 @@ +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17 +// + +// constexpr hours make24(const hours& h, bool is_pm) noexcept; +// Returns: If is_pm is false, returns the 24-hour equivalent of h in the range [0h, 11h], +// assuming h represents an ante meridiem hour. +// Else returns the 24-hour equivalent of h in the range [12h, 23h], +// assuming h represents a post meridiem hour. +// If h is not in the range [1h, 12h], the value returned is unspecified. + +#include +#include + +#include "test_macros.h" + +int main(int, char**) +{ + using hours = std::chrono::hours; + ASSERT_SAME_TYPE(hours, decltype(std::chrono::make24(std::declval(), false))); + ASSERT_NOEXCEPT( std::chrono::make24(std::declval(), false)); + + static_assert( std::chrono::make24(hours( 1), false) == hours( 1), ""); + static_assert( std::chrono::make24(hours(11), false) == hours(11), ""); + static_assert( std::chrono::make24(hours(12), false) == hours( 0), ""); + static_assert( std::chrono::make24(hours( 1), true) == hours(13), ""); + static_assert( std::chrono::make24(hours(11), true) == hours(23), ""); + static_assert( std::chrono::make24(hours(12), true) == hours(12), ""); + + for (int i = 1; i < 11; ++i) + { + assert((std::chrono::make24(hours(i), false)) == hours(i)); + assert((std::chrono::make24(hours(i), true)) == hours(12+i)); + } + assert((std::chrono::make24(hours(12), false)) == hours( 0)); + assert((std::chrono::make24(hours(12), true)) == hours(12)); + + return 0; +} -- cgit v1.2.3