duration.pass.cpp
1.58 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
//===----------------------------------------------------------------------===//
//
// 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;
}