63 lines
2.3 KiB
C++
63 lines
2.3 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++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::seconds seconds() const noexcept;
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//
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// See the table in hours.pass.cpp for correspondence between the magic values used below
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#include <chrono>
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#include <cassert>
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#include <cstdint>
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#include <ratio>
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#include <utility>
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#include "test_macros.h"
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template <typename Duration>
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constexpr int64_t check_seconds(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::seconds, decltype(std::declval<HMS>().seconds()));
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ASSERT_NOEXCEPT( std::declval<HMS>().seconds());
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return HMS(d).seconds().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_seconds(std::chrono::seconds( 1)) == 1, "");
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static_assert( check_seconds(std::chrono::seconds(-1)) == 1, "");
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assert( check_seconds(std::chrono::seconds( 5000)) == 20);
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assert( check_seconds(std::chrono::seconds(-5000)) == 20);
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assert( check_seconds(std::chrono::minutes( 5000)) == 0);
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assert( check_seconds(std::chrono::minutes(-5000)) == 0);
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assert( check_seconds(std::chrono::hours( 11)) == 0);
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assert( check_seconds(std::chrono::hours(-11)) == 0);
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assert( check_seconds(std::chrono::milliseconds( 123456789LL)) == 36);
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assert( check_seconds(std::chrono::milliseconds(-123456789LL)) == 36);
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assert( check_seconds(std::chrono::microseconds( 123456789LL)) == 3);
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assert( check_seconds(std::chrono::microseconds(-123456789LL)) == 3);
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assert( check_seconds(std::chrono::nanoseconds( 123456789LL)) == 0);
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assert( check_seconds(std::chrono::nanoseconds(-123456789LL)) == 0);
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assert( check_seconds(microfortnights( 1000)) == 9);
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assert( check_seconds(microfortnights( -1000)) == 9);
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assert( check_seconds(microfortnights( 10000)) == 36);
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assert( check_seconds(microfortnights(-10000)) == 36);
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return 0;
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}
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