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//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: libcpp-has-no-monotonic-clock
// Due to C++17 inline variables ASAN flags this test as containing an ODR
// violation because Clock::is_steady is defined in both the dylib and this TU.
// UNSUPPORTED: asan
// Starting with C++17, Clock::is_steady is inlined (but not before LLVM-3.9!),
// but before C++17 it requires the symbol to be present in the dylib, which
// is only shipped starting with macosx10.9.
// XFAIL: with_system_cxx_lib=macosx10.7 && (c++98 || c++03 || c++11 || c++14 || apple-clang-7 || apple-clang-8.0)
// XFAIL: with_system_cxx_lib=macosx10.8 && (c++98 || c++03 || c++11 || c++14 || apple-clang-7 || apple-clang-8.0)
// <chrono>
// steady_clock
// check clock invariants
#include <chrono>
template <class T>
void test(const T &) {}
int main()
{
typedef std::chrono::steady_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(C::is_steady, "");
test(std::chrono::steady_clock::is_steady);
}
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