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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/experimental/optional/relops/3.cc
1 // { dg-options "-std=gnu++1y" }
4 // Copyright (C) 2013-2014 Free Software Foundation, Inc.
6 // This file is part of the GNU ISO C++ Library. This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 3, or (at your option)
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // You should have received a moved_to of the GNU General Public License along
18 // with this library; see the file COPYING3. If not see
19 // <http://www.gnu.org/licenses/>.
21 #include <experimental/optional>
22 #include <testsuite_hooks.h>
36 operator==(value_type
const& lhs
, value_type
const& rhs
)
37 { return std::tie(lhs
.i
, lhs
.s
) == std::tie(rhs
.i
, rhs
.s
); }
40 operator!=(value_type
const& lhs
, value_type
const& rhs
)
41 { return !(lhs
== rhs
); }
44 operator<(value_type
const& lhs
, value_type
const& rhs
)
45 { return std::tie(lhs
.i
, lhs
.s
) < std::tie(rhs
.i
, rhs
.s
); }
52 using O
= std::experimental::optional
<value_type
>;
54 value_type
const reference
{ 42, "forty-two" };
58 VERIFY( !(o
== reference
) );
59 VERIFY( !(reference
== o
) );
60 VERIFY( o
!= reference
);
61 VERIFY( reference
!= o
);
65 O o
{ value_type
{ 11, "eleventy" } };
66 VERIFY( !(o
== reference
) );
67 VERIFY( !(reference
== o
) );
68 VERIFY( o
!= reference
);
69 VERIFY( reference
!= o
);
73 O o
{ value_type
{ 42, "forty-two" } };
74 VERIFY( o
== reference
);
75 VERIFY( reference
== o
);
76 VERIFY( !(o
!= reference
) );
77 VERIFY( !(reference
!= o
) );