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83ffe9cd 1// Copyright (C) 2016-2023 Free Software Foundation, Inc.
d5243c46
MC
2//
3// This file is part of the GNU ISO C++ Library. This library is free
4// software; you can redistribute it and/or modify it under the
5// terms of the GNU General Public License as published by the
6// Free Software Foundation; either version 3, or (at your option)
7// any later version.
8
9// This library is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12// GNU General Public License for more details.
13
14// You should have received a copy of the GNU General Public License along
15// with this library; see the file COPYING3. If not see
16// <http://www.gnu.org/licenses/>.
17
18// { dg-options "-std=gnu++11" }
19// { dg-do compile { target c++11 } }
20
21#include <chrono>
22
23using std::chrono::seconds;
24using std::chrono::milliseconds;
25
26using fp_seconds = std::chrono::duration<float>;
27
28static_assert( std::chrono::__detail::ceil<seconds>(milliseconds(1000))
29 == seconds(1) );
30static_assert( std::chrono::__detail::ceil<seconds>(milliseconds(1001))
31 == seconds(2) );
32static_assert( std::chrono::__detail::ceil<seconds>(milliseconds(1500))
33 == seconds(2) );
34static_assert( std::chrono::__detail::ceil<seconds>(milliseconds(1999))
35 == seconds(2) );
36static_assert( std::chrono::__detail::ceil<seconds>(milliseconds(2000))
37 == seconds(2) );
38static_assert( std::chrono::__detail::ceil<seconds>(milliseconds(2001))
39 == seconds(3) );
40static_assert( std::chrono::__detail::ceil<seconds>(milliseconds(2500))
41 == seconds(3) );
42static_assert( std::chrono::__detail::ceil<fp_seconds>(milliseconds(500))
43 == fp_seconds{0.5f} );