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-exception
6//
7//===----------------------------------------------------------------------===//
8
9// <chrono>
10
11// duration
12
13// constexpr duration operator++(int); // constexpr in C++17
14
15#include <chrono>
16#include <cassert>
17
18#include "test_macros.h"
19
20#if TEST_STD_VER > 14
21constexpr bool test_constexpr()
22{
23 std::chrono::hours h1(3);
24 std::chrono::hours h2 = h1++;
25 return h1.count() == 4 && h2.count() == 3;
26}
27#endif
28
29int main(int, char**)
30{
31 {
32 std::chrono::hours h1(3);
33 std::chrono::hours h2 = h1++;
34 assert(h1.count() == 4);
35 assert(h2.count() == 3);
36 }
37
38#if TEST_STD_VER > 14
39 static_assert(test_constexpr(), "");
40#endif
41
42 return 0;
43}
44

source code of libcxx/test/std/time/time.duration/time.duration.arithmetic/op_++int.pass.cpp