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 // UNSUPPORTED: c++03, c++11, c++14, c++17
10 
11 // Due to C++17 inline variables ASAN flags this test as containing an ODR
12 // violation because Clock::is_steady is defined in both the dylib and this TU.
13 // UNSUPPORTED: asan
14 
15 // <chrono>
16 
17 // file_clock
18 
19 // check clock invariants
20 
21 #include <chrono>
22 #include <type_traits>
23 
24 #include "test_macros.h"
25 
26 template <class T>
27 void test(const T &) {}
28 
29 int main(int, char**)
30 {
31     typedef std::chrono::file_clock C;
32     static_assert((std::is_same<C::rep, C::duration::rep>::value), "");
33     static_assert((std::is_same<C::period, C::duration::period>::value), "");
34     static_assert((std::is_same<C::duration, C::time_point::duration>::value), "");
35     static_assert((std::is_same<C::time_point::clock, C>::value), "");
36     static_assert(!C::is_steady, "");
37     test(std::chrono::file_clock::is_steady);
38 
39   return 0;
40 }
41