73 lines
1.9 KiB
C++
73 lines
1.9 KiB
C++
// { dg-options "-std=gnu++17" }
|
|
// { dg-do run }
|
|
|
|
// Copyright (C) 2017 Free Software Foundation, Inc.
|
|
//
|
|
// This file is part of the GNU ISO C++ Library. This library is free
|
|
// software; you can redistribute it and/or modify it under the
|
|
// terms of the GNU General Public License as published by the
|
|
// Free Software Foundation; either version 3, or (at your option)
|
|
// any later version.
|
|
|
|
// This library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
|
|
// You should have received a copy of the GNU General Public License along
|
|
// with this library; see the file COPYING3. If not see
|
|
// <http://www.gnu.org/licenses/>.
|
|
|
|
#include <optional>
|
|
#include <testsuite_hooks.h>
|
|
#include <string>
|
|
|
|
int main()
|
|
{
|
|
std::optional<int> o = 42;
|
|
std::optional<const int> o2 = 666;
|
|
VERIFY(o == 42);
|
|
VERIFY(o != 43);
|
|
VERIFY(o < 43);
|
|
VERIFY(o > 41);
|
|
VERIFY(o <= 43);
|
|
VERIFY(o >= 41);
|
|
VERIFY(o2 == 666);
|
|
VERIFY(o2 != 667);
|
|
VERIFY(o2 < 667);
|
|
VERIFY(o2 > 665);
|
|
VERIFY(o2 <= 667);
|
|
VERIFY(o2 >= 665);
|
|
VERIFY(42 == o);
|
|
VERIFY(43 != o);
|
|
VERIFY(41< o);
|
|
VERIFY(43 > o);
|
|
VERIFY(41 <= o);
|
|
VERIFY(43 >= o);
|
|
VERIFY(666 == o2);
|
|
VERIFY(667 != o2);
|
|
VERIFY(665 < o2);
|
|
VERIFY(667 > o2);
|
|
VERIFY(665 <= o2);
|
|
VERIFY(667 >= o2);
|
|
std::optional<std::string> os = "jones";
|
|
VERIFY(os == "jones");
|
|
VERIFY(os != "bones");
|
|
VERIFY(os < "kones");
|
|
VERIFY(os > "hones");
|
|
VERIFY(os <= "kones");
|
|
VERIFY(os >= "hones");
|
|
VERIFY("jones" == os);
|
|
VERIFY("bones" != os);
|
|
VERIFY("hones" < os);
|
|
VERIFY("kones" > os);
|
|
VERIFY("hones" <= os);
|
|
VERIFY("kones" >= os);
|
|
std::optional<int> oi = 42;
|
|
std::optional<long int> ol = 666;
|
|
VERIFY(!(oi == ol));
|
|
VERIFY(!(ol == oi));
|
|
VERIFY(oi != ol);
|
|
VERIFY(ol != oi);
|
|
}
|