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1 // { dg-options "-std=gnu++14" }
4 // Copyright (C) 2013-2016 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 std::tie(lhs
.i
, lhs
.s
) < std::tie(rhs
.i
, rhs
.s
); }
48 using O
= std::experimental::optional
<value_type
>;
49 using std::experimental::nullopt
;
53 VERIFY( !(o
< nullopt
) );
54 VERIFY( !(nullopt
< o
) );
55 VERIFY( !(o
> nullopt
) );
56 VERIFY( !(nullopt
> o
) );
57 VERIFY( o
<= nullopt
);
58 VERIFY( nullopt
<= o
);
59 VERIFY( o
>= nullopt
);
60 VERIFY( nullopt
>= o
);
64 O o
{ std::experimental::in_place
};
65 VERIFY( !(o
< nullopt
) );
66 VERIFY( nullopt
< o
);
67 VERIFY( o
> nullopt
);
68 VERIFY( !(nullopt
> o
) );
69 VERIFY( !(o
<= nullopt
) );
70 VERIFY( nullopt
<= o
);
71 VERIFY( o
>= nullopt
);
72 VERIFY( !(nullopt
>= o
) );