Files
clang-p2996/libcxx/test/std/utilities/time/time.duration/time.duration.cons/convert_inexact.pass.cpp
Louis Dionne 5726e55981 [libc++] Modularize <chrono>
I didn't split the calendar bits more than this because there was little
benefit to doing it, and I know our calendar support is incomplete.
Whoever picks up the missing calendar bits can organize these headers
at their leisure.

Differential Revision: https://reviews.llvm.org/D116965
2022-01-14 09:55:29 -05:00

41 lines
1.0 KiB
C++

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <chrono>
// duration
// template <class Rep2, class Period2>
// duration(const duration<Rep2, Period2>& d);
// inexact conversions allowed for floating point reps
#include <chrono>
#include <cassert>
#include <ratio>
#include "test_macros.h"
int main(int, char**)
{
{
std::chrono::duration<double, std::micro> us(1);
std::chrono::duration<double, std::milli> ms = us;
assert(ms.count() == 1./1000);
}
#if TEST_STD_VER >= 11
{
constexpr std::chrono::duration<double, std::micro> us(1);
constexpr std::chrono::duration<double, std::milli> ms = us;
static_assert(ms.count() == 1./1000, "");
}
#endif
return 0;
}