83542e4764
Implements parts of [[ https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p1614r2.html | P1614R2 ]] Implemented `operator<=>` for `std::chrono::duration` Reviewed By: #libc, Mordante Differential Revision: https://reviews.llvm.org/D145881
78 lines
2.3 KiB
C++
78 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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// duration
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// template<class Rep1, class Period1, class Rep2, class Period2>
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// requires ThreeWayComparable<typename CT::rep>
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// constexpr auto operator<=>(const duration<Rep1, Period1>& lhs,
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// const duration<Rep2, Period2>& rhs);
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#include <cassert>
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#include <chrono>
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#include <ratio>
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#include "test_comparisons.h"
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constexpr bool test() {
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{
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std::chrono::seconds s1(3);
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std::chrono::seconds s2(3);
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assert((s1 <=> s2) == std::strong_ordering::equal);
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assert(testOrder(s1, s2, std::strong_ordering::equal));
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}
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{
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std::chrono::seconds s1(3);
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std::chrono::seconds s2(4);
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assert((s1 <=> s2) == std::strong_ordering::less);
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assert(testOrder(s1, s2, std::strong_ordering::less));
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}
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{
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std::chrono::milliseconds s1(3);
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std::chrono::microseconds s2(3000);
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assert((s1 <=> s2) == std::strong_ordering::equal);
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assert(testOrder(s1, s2, std::strong_ordering::equal));
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}
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{
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std::chrono::milliseconds s1(3);
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std::chrono::microseconds s2(4000);
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assert((s1 <=> s2) == std::strong_ordering::less);
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assert(testOrder(s1, s2, std::strong_ordering::less));
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}
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{
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std::chrono::duration<int, std::ratio<2, 3>> s1(9);
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std::chrono::duration<int, std::ratio<3, 5>> s2(10);
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assert((s1 <=> s2) == std::strong_ordering::equal);
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assert(testOrder(s1, s2, std::strong_ordering::equal));
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}
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{
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std::chrono::duration<int, std::ratio<2, 3>> s1(10);
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std::chrono::duration<int, std::ratio<3, 5>> s2(9);
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assert((s1 <=> s2) == std::strong_ordering::greater);
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assert(testOrder(s1, s2, std::strong_ordering::greater));
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}
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{
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std::chrono::duration<int, std::ratio<2, 3>> s1(9);
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std::chrono::duration<double, std::ratio<3, 5>> s2(10.1);
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assert((s1 <=> s2) == std::strong_ordering::less);
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assert(testOrder(s1, s2, std::strong_ordering::less));
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}
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return true;
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}
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int main(int, char**) {
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assert(test());
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static_assert(test());
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return 0;
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}
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