Jonathan Roelofs 33459617e7 Rename system_lib -> system_cxx_lib. NFC
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@226061 91177308-0d34-0410-b5e6-96231b3b80d8
2015-01-14 23:38:12 +00:00

36 lines
1.1 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This test uses new symbols that were not defined in the libc++ shipped on
// darwin11 and darwin12:
// XFAIL: with_system_cxx_lib=x86_64-apple-darwin11
// XFAIL: with_system_cxx_lib=x86_64-apple-darwin12
// <chrono>
// system_clock
// check clock invariants
#include <chrono>
template <class _Tp>
void test(const _Tp &) {}
int main()
{
typedef std::chrono::system_clock C;
static_assert((std::is_same<C::rep, C::duration::rep>::value), "");
static_assert((std::is_same<C::period, C::duration::period>::value), "");
static_assert((std::is_same<C::duration, C::time_point::duration>::value), "");
static_assert((std::is_same<C::time_point::clock, C>::value), "");
static_assert((C::is_steady || !C::is_steady), "");
test(std::chrono::system_clock::is_steady);
}