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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/20_util/time_point_cast/constexpr.cc
1 // { dg-do compile { target c++11 } }
3 // Copyright (C) 2010-2017 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
21 #include <testsuite_common_types.h>
25 using namespace std::chrono
;
26 typedef time_point
<system_clock
, hours
> to_type
;
27 typedef time_point
<system_clock
, minutes
> from_type
;
30 constexpr minutes
m(6000);
31 constexpr hours
h(19);
32 constexpr to_type
tpm(h
); // time_point object with minutes
33 constexpr from_type
tph(m
); // time_point object with hours
35 constexpr auto res(time_point_cast
<hours
>(tpm
));