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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/20_util/shared_ptr/comparison/cmp.cc
1 // { dg-do run { target c++11 } }
2 // { dg-require-effective-target hosted }
4 // Copyright (C) 2005-2024 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 copy 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 // 20.6.6.2 Template class shared_ptr [util.smartptr.shared]
24 #include <testsuite_hooks.h>
35 // 20.6.6.2.6 shared_ptr comparison [util.smartptr.shared.cmp]
40 // test empty shared_ptrs compare equivalent
41 std::shared_ptr
<A
> p1
;
42 std::shared_ptr
<B
> p2
;
44 VERIFY( !(p1
!= p2
) );
45 VERIFY( !(p1
< p2
) && !(p2
< p1
) );
50 // Construction from pointer
54 std::shared_ptr
<A
> A_default
;
56 std::shared_ptr
<A
> A_from_A(new A
);
57 VERIFY( A_default
!= A_from_A
);
58 VERIFY( !(A_default
== A_from_A
) );
59 VERIFY( (A_default
< A_from_A
) || (A_from_A
< A_default
) );
61 std::shared_ptr
<B
> B_from_B(new B
);
62 VERIFY( B_from_B
!= A_from_A
);
63 VERIFY( !(B_from_B
== A_from_A
) );
64 VERIFY( (B_from_B
< A_from_A
) || (A_from_A
< B_from_B
) );
67 VERIFY( A_default
== A_from_A
);
68 VERIFY( !(A_default
!= A_from_A
) );
69 VERIFY( !(A_default
< A_from_A
) && !(A_from_A
< A_default
) );
72 VERIFY( B_from_B
== A_from_A
);
73 VERIFY( !(B_from_B
!= A_from_A
) );
74 VERIFY( !(B_from_B
< A_from_A
) && !(A_from_A
< B_from_B
) );