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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/experimental/optional/relops/5.cc
1 // { dg-do run { target c++14 } }
3 // Copyright (C) 2013-2018 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/>.
20 #include <experimental/optional>
21 #include <testsuite_hooks.h>
35 operator==(value_type
const& lhs
, value_type
const& rhs
)
36 { return std::tie(lhs
.i
, lhs
.s
) == std::tie(rhs
.i
, rhs
.s
); }
39 operator<(value_type
const& lhs
, value_type
const& rhs
)
40 { return std::tie(lhs
.i
, lhs
.s
) < std::tie(rhs
.i
, rhs
.s
); }
47 using O
= std::experimental::optional
<value_type
>;
48 using std::experimental::nullopt
;
52 VERIFY( o
== nullopt
);
53 VERIFY( nullopt
== o
);
54 VERIFY( !(o
!= nullopt
) );
55 VERIFY( !(nullopt
!= o
) );
59 O o
{ std::experimental::in_place
};
60 VERIFY( !(o
== nullopt
) );
61 VERIFY( !(nullopt
== o
) );
62 VERIFY( o
!= nullopt
);
63 VERIFY( nullopt
!= o
);