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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/23_containers/multimap/operations/contains.cc
1 // Copyright (C) 2018 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>
27 std::multimap
<int, void*> m
;
28 VERIFY( ! m
.contains( 0 ) );
29 VERIFY( ! m
.contains( 1 ) );
30 m
.emplace(0, nullptr);
31 VERIFY( m
.contains( 0 ) );
32 VERIFY( ! m
.contains( 1 ) );
33 m
.emplace(0, nullptr);
34 VERIFY( m
.contains( 0 ) );
35 VERIFY( ! m
.contains( 1 ) );
36 m
.emplace(1, nullptr);
37 VERIFY( m
.contains( 0 ) );
38 VERIFY( m
.contains( 1 ) );
42 bool operator<(Zero
, int i
) { return 0 < i
; }
43 bool operator<(int i
, Zero
) { return i
< 0; }
46 bool operator<(One
, int i
) { return 1 < i
; }
47 bool operator<(int i
, One
) { return i
< 1; }
52 std::multimap
<int, void*, std::less
<>> m
;
53 VERIFY( ! m
.contains( Zero
{} ) );
54 VERIFY( ! m
.contains( One
{} ) );
55 m
.emplace(0, nullptr);
56 VERIFY( m
.contains( Zero
{} ) );
57 VERIFY( ! m
.contains( One
{} ) );
58 m
.emplace(0, nullptr);
59 VERIFY( m
.contains( Zero
{} ) );
60 VERIFY( ! m
.contains( One
{} ) );
61 m
.emplace(1, nullptr);
62 VERIFY( m
.contains( Zero
{} ) );
63 VERIFY( m
.contains( One
{} ) );