83 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// <chrono>10 11// duration12 13// template <class Rep1, class Period1, class Rep2, class Period2>14// constexpr15// typename common_type<Rep1, Rep2>::type16// operator/(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);17 18#include <chrono>19#include <cassert>20#include <ratio>21 22#include "test_macros.h"23#include "truncate_fp.h"24#include "../../rep.h"25 26int main(int, char**)27{28 {29 std::chrono::nanoseconds ns1(15);30 std::chrono::nanoseconds ns2(5);31 assert(ns1 / ns2 == 3);32 }33 {34 std::chrono::microseconds us1(15);35 std::chrono::nanoseconds ns2(5);36 assert(us1 / ns2 == 3000);37 }38 {39 std::chrono::duration<int, std::ratio<2, 3> > s1(30);40 std::chrono::duration<int, std::ratio<3, 5> > s2(5);41 assert(s1 / s2 == 6);42 }43 {44 std::chrono::duration<int, std::ratio<2, 3> > s1(30);45 std::chrono::duration<double, std::ratio<3, 5> > s2(5);46 assert(s1 / s2 == truncate_fp(20./3));47 }48#if TEST_STD_VER >= 1149 {50 constexpr std::chrono::nanoseconds ns1(15);51 constexpr std::chrono::nanoseconds ns2(5);52 static_assert(ns1 / ns2 == 3, "");53 }54 {55 constexpr std::chrono::microseconds us1(15);56 constexpr std::chrono::nanoseconds ns2(5);57 static_assert(us1 / ns2 == 3000, "");58 }59 {60 constexpr std::chrono::duration<int, std::ratio<2, 3> > s1(30);61 constexpr std::chrono::duration<int, std::ratio<3, 5> > s2(5);62 static_assert(s1 / s2 == 6, "");63 }64 {65 constexpr std::chrono::duration<int, std::ratio<2, 3> > s1(30);66 constexpr std::chrono::duration<double, std::ratio<3, 5> > s2(5);67 static_assert(s1 / s2 == 20./3, "");68 }69 {70 std::chrono::duration<int> d(5);71 RepConstConvertibleLWG3050 x;72 73 {74 auto r = d / x;75 assert(r.count() == 2);76 ASSERT_SAME_TYPE(std::chrono::duration<long>, decltype(r));77 }78 }79#endif // TEST_STD_VER >= 1180 81 return 0;82}83