54 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// UNSUPPORTED: c++03, c++1110// <chrono>11 12#include <chrono>13#include <type_traits>14#include <cassert>15 16#include "test_macros.h"17 18int main(int, char**)19{20 using namespace std::literals;21 22 std::chrono::hours h = 4h;23 assert ( h == std::chrono::hours(4));24 auto h2 = 4.0h;25 assert ( h == h2 );26 27 std::chrono::minutes min = 36min;28 assert ( min == std::chrono::minutes(36));29 auto min2 = 36.0min;30 assert ( min == min2 );31 32 std::chrono::seconds s = 24s;33 assert ( s == std::chrono::seconds(24));34 auto s2 = 24.0s;35 assert ( s == s2 );36 37 std::chrono::milliseconds ms = 247ms;38 assert ( ms == std::chrono::milliseconds(247));39 auto ms2 = 247.0ms;40 assert ( ms == ms2 );41 42 std::chrono::microseconds us = 867us;43 assert ( us == std::chrono::microseconds(867));44 auto us2 = 867.0us;45 assert ( us == us2 );46 47 std::chrono::nanoseconds ns = 645ns;48 assert ( ns == std::chrono::nanoseconds(645));49 auto ns2 = 645.ns;50 assert ( ns == ns2 );51 52 return 0;53}54