comparison libstdc++-v3/testsuite/std/time/clock/file/members.cc @ 19:2b5abeee2509 default tip

update gcc11
author anatofuz
date Mon, 25 May 2020 07:50:57 +0900
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18:1830386684a0 19:2b5abeee2509
1 // Copyright (C) 2020 Free Software Foundation, Inc.
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++2a" }
19 // { dg-do run { target c++2a } }
20
21 #include <chrono>
22 #include <testsuite_hooks.h>
23
24 void
25 test01()
26 {
27 auto sys_now = std::chrono::system_clock::now();
28 auto file_now = std::chrono::file_clock::now();
29 auto d1 = std::chrono::file_clock::to_sys(file_now) - sys_now;
30 VERIFY( d1 < std::chrono::seconds(1) );
31 auto d2 = file_now - std::chrono::file_clock::from_sys(sys_now);
32 VERIFY( d2 == d1 );
33 }
34
35 int
36 main()
37 {
38 test01();
39 }