xref: /llvm-project/libcxx/test/std/time/time.duration/time.duration.cons/convert_overflow.pass.cpp (revision 7738db2c06b177fe916ac1bcf3633449b3c1fca9)
1*7738db2cSMark de Wever //===----------------------------------------------------------------------===//
2*7738db2cSMark de Wever //
3*7738db2cSMark de Wever // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*7738db2cSMark de Wever // See https://llvm.org/LICENSE.txt for license information.
5*7738db2cSMark de Wever // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*7738db2cSMark de Wever //
7*7738db2cSMark de Wever //===----------------------------------------------------------------------===//
8*7738db2cSMark de Wever 
9*7738db2cSMark de Wever // <chrono>
10*7738db2cSMark de Wever 
11*7738db2cSMark de Wever // duration
12*7738db2cSMark de Wever 
13*7738db2cSMark de Wever // template <class Rep2, class Period2>
14*7738db2cSMark de Wever //   duration(const duration<Rep2, Period2>& d);
15*7738db2cSMark de Wever 
16*7738db2cSMark de Wever // overflow should SFINAE instead of error out, LWG 2094
17*7738db2cSMark de Wever 
18*7738db2cSMark de Wever #include <chrono>
19*7738db2cSMark de Wever #include <cassert>
20*7738db2cSMark de Wever #include <ratio>
21*7738db2cSMark de Wever 
22*7738db2cSMark de Wever #include "test_macros.h"
23*7738db2cSMark de Wever 
24*7738db2cSMark de Wever bool called = false;
25*7738db2cSMark de Wever 
26*7738db2cSMark de Wever void f(std::chrono::milliseconds);
f(std::chrono::seconds)27*7738db2cSMark de Wever void f(std::chrono::seconds)
28*7738db2cSMark de Wever {
29*7738db2cSMark de Wever     called = true;
30*7738db2cSMark de Wever }
31*7738db2cSMark de Wever 
main(int,char **)32*7738db2cSMark de Wever int main(int, char**)
33*7738db2cSMark de Wever {
34*7738db2cSMark de Wever     {
35*7738db2cSMark de Wever     std::chrono::duration<int, std::exa> r(1);
36*7738db2cSMark de Wever     f(r);
37*7738db2cSMark de Wever     assert(called);
38*7738db2cSMark de Wever     }
39*7738db2cSMark de Wever 
40*7738db2cSMark de Wever   return 0;
41*7738db2cSMark de Wever }
42