1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This test uses new symbols that were not defined in the libc++ shipped on
11// darwin11 and darwin12:
12// XFAIL: with_system_lib=x86_64-apple-darwin11
13// XFAIL: with_system_lib=x86_64-apple-darwin12
14
15// <chrono>
16
17// high_resolution_clock
18
19// check clock invariants
20
21#include <chrono>
22
23template <class _Tp>
24void test(const _Tp &) {}
25
26int main()
27{
28    typedef std::chrono::high_resolution_clock C;
29    static_assert((std::is_same<C::rep, C::duration::rep>::value), "");
30    static_assert((std::is_same<C::period, C::duration::period>::value), "");
31    static_assert((std::is_same<C::duration, C::time_point::duration>::value), "");
32    static_assert(C::is_steady || !C::is_steady, "");
33    test(std::chrono::high_resolution_clock::is_steady);
34}
35