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libcxx/test/std/utilities/time/time.traits/time.traits.duration_values/zero.pass.cpp

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.
//
//===----------------------------------------------------------------------===//
// <chrono>
// duration_values::zero // noexcept after C++17
#include <chrono>
#include <cassert>
#include "test_macros.h"
#include "../../rep.h"
int main()
{
assert(std::chrono::duration_values<int>::zero() == 0);
assert(std::chrono::duration_values<Rep>::zero() == 0);
#if TEST_STD_VER >= 11
static_assert(std::chrono::duration_values<int>::zero() == 0, "");
static_assert(std::chrono::duration_values<Rep>::zero() == 0, "");
#endif
LIBCPP_ASSERT_NOEXCEPT(std::chrono::duration_values<int>::zero());
LIBCPP_ASSERT_NOEXCEPT(std::chrono::duration_values<Rep>::zero());
#if TEST_STD_VER > 17
ASSERT_NOEXCEPT(std::chrono::duration_values<int>::zero());
ASSERT_NOEXCEPT(std::chrono::duration_values<Rep>::zero());
#endif
}