cxx/test/utilities/time/time.duration/time.duration.nonmember/op_divide_duration.pass.cpp
Howard Hinnant 473f838128 Applied constexpr to <chrono>.
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@160184 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-13 19:17:27 +00:00

67 lines
1.9 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
// template <class Rep1, class Period1, class Rep2, class Period2>
// constexpr
// typename common_type<Rep1, Rep2>::type
// operator/(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
#include <chrono>
#include <cassert>
int main()
{
{
std::chrono::nanoseconds ns1(15);
std::chrono::nanoseconds ns2(5);
assert(ns1 / ns2 == 3);
}
{
std::chrono::microseconds us1(15);
std::chrono::nanoseconds ns2(5);
assert(us1 / ns2 == 3000);
}
{
std::chrono::duration<int, std::ratio<2, 3> > s1(30);
std::chrono::duration<int, std::ratio<3, 5> > s2(5);
assert(s1 / s2 == 6);
}
{
std::chrono::duration<int, std::ratio<2, 3> > s1(30);
std::chrono::duration<double, std::ratio<3, 5> > s2(5);
assert(s1 / s2 == 20./3);
}
#ifndef _LIBCPP_HAS_NO_CONSTEXPR
{
constexpr std::chrono::nanoseconds ns1(15);
constexpr std::chrono::nanoseconds ns2(5);
static_assert(ns1 / ns2 == 3, "");
}
{
constexpr std::chrono::microseconds us1(15);
constexpr std::chrono::nanoseconds ns2(5);
static_assert(us1 / ns2 == 3000, "");
}
{
constexpr std::chrono::duration<int, std::ratio<2, 3> > s1(30);
constexpr std::chrono::duration<int, std::ratio<3, 5> > s2(5);
static_assert(s1 / s2 == 6, "");
}
{
constexpr std::chrono::duration<int, std::ratio<2, 3> > s1(30);
constexpr std::chrono::duration<double, std::ratio<3, 5> > s2(5);
static_assert(s1 / s2 == 20./3, "");
}
#endif
}