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
46
47
48
49
|
//===----------------------------------------------------------------------===//
//
// 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>
// time_point
// template <class Clock, class Duration1, class Rep2, class Period2>
// time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2>>::type>
// operator+(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs);
// template <class Rep1, class Period1, class Clock, class Duration2>
// time_point<Clock, typename common_type<duration<Rep1, Period1>, Duration2>::type>
// operator+(const duration<Rep1, Period1>& lhs, const time_point<Clock, Duration2>& rhs);
#include <chrono>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
typedef std::chrono::system_clock Clock;
typedef std::chrono::milliseconds Duration1;
typedef std::chrono::microseconds Duration2;
{
std::chrono::time_point<Clock, Duration1> t1(Duration1(3));
std::chrono::time_point<Clock, Duration2> t2 = t1 + Duration2(5);
assert(t2.time_since_epoch() == Duration2(3005));
t2 = Duration2(6) + t1;
assert(t2.time_since_epoch() == Duration2(3006));
}
#if TEST_STD_VER > 11
{
constexpr std::chrono::time_point<Clock, Duration1> t1(Duration1(3));
constexpr std::chrono::time_point<Clock, Duration2> t2 = t1 + Duration2(5);
static_assert(t2.time_since_epoch() == Duration2(3005), "");
constexpr std::chrono::time_point<Clock, Duration2> t3 = Duration2(6) + t1;
static_assert(t3.time_since_epoch() == Duration2(3006), "");
}
#endif
return 0;
}
|
