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