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libcxx_old/test/std/utilities/time/time.duration/time.duration.literals/literals.pass.cpp

63 lines
1.9 KiB
C++

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11
// <chrono>
#include <chrono>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
using namespace std::literals::chrono_literals;
// Make sure the types are right
static_assert ( std::is_same<decltype( 3h ), std::chrono::hours>::value, "" );
static_assert ( std::is_same<decltype( 3min ), std::chrono::minutes>::value, "" );
static_assert ( std::is_same<decltype( 3s ), std::chrono::seconds>::value, "" );
static_assert ( std::is_same<decltype( 3ms ), std::chrono::milliseconds>::value, "" );
static_assert ( std::is_same<decltype( 3us ), std::chrono::microseconds>::value, "" );
static_assert ( std::is_same<decltype( 3ns ), std::chrono::nanoseconds>::value, "" );
std::chrono::hours h = 4h;
assert ( h == std::chrono::hours(4));
auto h2 = 4.0h;
assert ( h == h2 );
std::chrono::minutes min = 36min;
assert ( min == std::chrono::minutes(36));
auto min2 = 36.0min;
assert ( min == min2 );
std::chrono::seconds s = 24s;
assert ( s == std::chrono::seconds(24));
auto s2 = 24.0s;
assert ( s == s2 );
std::chrono::milliseconds ms = 247ms;
assert ( ms == std::chrono::milliseconds(247));
auto ms2 = 247.0ms;
assert ( ms == ms2 );
std::chrono::microseconds us = 867us;
assert ( us == std::chrono::microseconds(867));
auto us2 = 867.0us;
assert ( us == us2 );
std::chrono::nanoseconds ns = 645ns;
assert ( ns == std::chrono::nanoseconds(645));
auto ns2 = 645.ns;
assert ( ns == ns2 );
return 0;
}