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 // template <class Rep1, class Period, class Rep2>
14 // constexpr
15 // duration<typename common_type<Rep1, Rep2>::type, Period>
16 // operator*(const duration<Rep1, Period>& d, const Rep2& s);
17
18 // template <class Rep1, class Period, class Rep2>
19 // constexpr
20 // duration<typename common_type<Rep1, Rep2>::type, Period>
21 // operator*(const Rep1& s, const duration<Rep2, Period>& d);
22
23 #include <chrono>
24 #include <cassert>
25
26 #include "test_macros.h"
27 #include "../../rep.h"
28
main(int,char **)29 int main(int, char**)
30 {
31 {
32 std::chrono::nanoseconds ns(3);
33 ns = ns * 5;
34 assert(ns.count() == 15);
35 ns = 6 * ns;
36 assert(ns.count() == 90);
37 }
38
39 #if TEST_STD_VER >= 11
40 {
41 constexpr std::chrono::nanoseconds ns(3);
42 constexpr std::chrono::nanoseconds ns2 = ns * 5;
43 static_assert(ns2.count() == 15, "");
44 constexpr std::chrono::nanoseconds ns3 = 6 * ns;
45 static_assert(ns3.count() == 18, "");
46 }
47 #endif
48
49 #if TEST_STD_VER >= 11
50 { // This is related to PR#41130
51 typedef std::chrono::nanoseconds Duration;
52 Duration d(5);
53 NotARep n;
54 ASSERT_SAME_TYPE(Duration, decltype(d * n));
55 ASSERT_SAME_TYPE(Duration, decltype(n * d));
56 d = d * n;
57 assert(d.count() == 5);
58 d = n * d;
59 assert(d.count() == 5);
60 }
61 #endif
62
63 return 0;
64 }
65