You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
46 lines
1.6 KiB
C++
46 lines
1.6 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <chrono>
|
|
|
|
// template <class Rep1, class Period1, class Rep2, class Period2>
|
|
// struct common_type<chrono::duration<Rep1, Period1>, chrono::duration<Rep2, Period2>>
|
|
// {
|
|
// typedef chrono::duration<typename common_type<Rep1, Rep2>::type, see below }> type;
|
|
// };
|
|
|
|
#include <chrono>
|
|
|
|
#include "test_macros.h"
|
|
|
|
template <class D1, class D2, class De>
|
|
void
|
|
test()
|
|
{
|
|
typedef typename std::common_type<D1, D2>::type Dc;
|
|
static_assert((std::is_same<Dc, De>::value), "");
|
|
}
|
|
|
|
int main(int, char**)
|
|
{
|
|
test<std::chrono::duration<int, std::ratio<1, 100> >,
|
|
std::chrono::duration<long, std::ratio<1, 1000> >,
|
|
std::chrono::duration<long, std::ratio<1, 1000> > >();
|
|
test<std::chrono::duration<long, std::ratio<1, 100> >,
|
|
std::chrono::duration<int, std::ratio<1, 1000> >,
|
|
std::chrono::duration<long, std::ratio<1, 1000> > >();
|
|
test<std::chrono::duration<char, std::ratio<1, 30> >,
|
|
std::chrono::duration<short, std::ratio<1, 1000> >,
|
|
std::chrono::duration<int, std::ratio<1, 3000> > >();
|
|
test<std::chrono::duration<double, std::ratio<21, 1> >,
|
|
std::chrono::duration<short, std::ratio<15, 1> >,
|
|
std::chrono::duration<double, std::ratio<3, 1> > >();
|
|
|
|
return 0;
|
|
}
|