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69 lines
2.6 KiB
C++
69 lines
2.6 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
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// <chrono>
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// template <class Duration>
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// class hh_mm_ss
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//
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// constexpr chrono::hours hours() const noexcept;
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// Test values
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// duration hours minutes seconds fractional
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// 5000s 1 23 20 0
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// 5000 minutes 83 20 0 0
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// 123456789ms 34 17 36 789ms
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// 123456789us 0 2 3 456789us
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// 123456789ns 0 0 0 123456789ns
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// 1000mfn 0 20 9 0.6 (6000/10000)
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// 10000mfn 3 21 36 0
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#include <chrono>
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#include <cassert>
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#include "test_macros.h"
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template <typename Duration>
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constexpr long check_hours(Duration d)
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{
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using HMS = std::chrono::hh_mm_ss<Duration>;
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ASSERT_SAME_TYPE(std::chrono::hours, decltype(std::declval<HMS>().hours()));
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ASSERT_NOEXCEPT( std::declval<HMS>().hours());
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return HMS(d).hours().count();
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}
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int main(int, char**)
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{
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using microfortnights = std::chrono::duration<int, std::ratio<756, 625>>;
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static_assert( check_hours(std::chrono::minutes( 1)) == 0, "");
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static_assert( check_hours(std::chrono::minutes(-1)) == 0, "");
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assert( check_hours(std::chrono::seconds( 5000)) == 1);
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assert( check_hours(std::chrono::seconds(-5000)) == 1);
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assert( check_hours(std::chrono::minutes( 5000)) == 83);
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assert( check_hours(std::chrono::minutes(-5000)) == 83);
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assert( check_hours(std::chrono::hours( 11)) == 11);
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assert( check_hours(std::chrono::hours(-11)) == 11);
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assert( check_hours(std::chrono::milliseconds( 123456789LL)) == 34);
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assert( check_hours(std::chrono::milliseconds(-123456789LL)) == 34);
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assert( check_hours(std::chrono::microseconds( 123456789LL)) == 0);
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assert( check_hours(std::chrono::microseconds(-123456789LL)) == 0);
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assert( check_hours(std::chrono::nanoseconds( 123456789LL)) == 0);
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assert( check_hours(std::chrono::nanoseconds(-123456789LL)) == 0);
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assert( check_hours(microfortnights( 1000)) == 0);
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assert( check_hours(microfortnights( -1000)) == 0);
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assert( check_hours(microfortnights( 10000)) == 3);
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assert( check_hours(microfortnights(-10000)) == 3);
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return 0;
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}
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