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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/24_iterators/customization_points/iter_swap.cc
1 // Copyright (C) 2019-2021 Free Software Foundation, Inc.
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)
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.
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/>.
18 // { dg-options "-std=gnu++2a" }
19 // { dg-do run { target c++2a } }
22 #include <testsuite_hooks.h>
28 constexpr X(int i
) : value(i
) { }
30 X(const X
&) = default;
31 X
& operator=(const X
&) = default;
33 constexpr X
& operator=(X
&& x
)
45 std::ranges::iter_swap(&x1
, &x2
);
46 return x1
.value
== j
&& x2
.value
== i
;
49 static_assert( test_X(1, 2) );
54 VERIFY( test_X(3, 4) );