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 std::chrono::nanoseconds ns(3);
32 ns = ns * 5;
33 assert(ns.count() == 15);
34 ns = 6 * ns;
35 assert(ns.count() == 90);
36 }
37
38 #if TEST_STD_VER >= 11
39 {
40 constexpr std::chrono::nanoseconds ns(3);
41 constexpr std::chrono::nanoseconds ns2 = ns * 5;
42 static_assert(ns2.count() == 15, "");
43 constexpr std::chrono::nanoseconds ns3 = 6 * ns;
44 static_assert(ns3.count() == 18, "");
45 }
46 #endif
47
48 #if TEST_STD_VER >= 11
49 { // This is related to PR#41130
50 typedef std::chrono::nanoseconds Duration;
51 Duration d(5);
52 NotARep n;
53 ASSERT_SAME_TYPE(Duration, decltype(d * n));
54 ASSERT_SAME_TYPE(Duration, decltype(n * d));
55 d = d * n;
56 assert(d.count() == 5);
57 d = n * d;
58 assert(d.count() == 5);
59 }
60 {
61 std::chrono::duration<int> d(8);
62 RepConstConvertibleLWG3050 x;
63
64 {
65 auto r = d * x;
66 assert(r.count() == 16);
67 ASSERT_SAME_TYPE(std::chrono::duration<long>, decltype(r));
68 }
69 {
70 auto r = x * d;
71 assert(r.count() == 16);
72 ASSERT_SAME_TYPE(std::chrono::duration<long>, decltype(r));
73 }
74 }
75 #endif // TEST_STD_VER >= 11
76
77 return 0;
78 }
79