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 Rep2, class Period2>
14 //   duration(const duration<Rep2, Period2>& d);
15 
16 // overflow should SFINAE instead of error out, LWG 2094
17 
18 #include <chrono>
19 #include <cassert>
20 
21 #include "test_macros.h"
22 
23 bool called = false;
24 
25 void f(std::chrono::milliseconds);
f(std::chrono::seconds)26 void f(std::chrono::seconds)
27 {
28     called = true;
29 }
30 
main(int,char **)31 int main(int, char**)
32 {
33     {
34     std::chrono::duration<int, std::exa> r(1);
35     f(r);
36     assert(called);
37     }
38 
39   return 0;
40 }
41