1// { dg-options "-std=gnu++11" }
2
3// 2010-03-25  Paolo Carlini  <paolo.carlini@oracle.com>
4
5// Copyright (C) 2010-2015 Free Software Foundation, Inc.
6//
7// This file is part of the GNU ISO C++ Library.  This library is free
8// software; you can redistribute it and/or modify it under the
9// terms of the GNU General Public License as published by the
10// Free Software Foundation; either version 3, or (at your option)
11// any later version.
12//
13// This library is distributed in the hope that it will be useful,
14// but WITHOUT ANY WARRANTY; without even the implied warranty of
15// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16// GNU General Public License for more details.
17//
18// You should have received a copy of the GNU General Public License along
19// with this library; see the file COPYING3.  If not see
20// <http://www.gnu.org/licenses/>.
21
22#include <unordered_set>
23#include <testsuite_hooks.h>
24
25void test01()
26{
27  bool test __attribute__((unused)) = true;
28
29  std::unordered_set<int> us1, us2;
30  VERIFY( us1 == us2 );
31  VERIFY( !(us1 != us2) );
32
33  us1.insert(1);
34  us2.insert(1);
35  VERIFY( us1 == us2 );
36  VERIFY( !(us1 != us2) );
37
38  us1.insert(2);
39  us2.insert(2);
40  VERIFY( us1 == us2 );
41  VERIFY( !(us1 != us2) );
42
43  us1.insert(1);
44  us2.insert(1);
45  VERIFY( us1 == us2 );
46  VERIFY( !(us1 != us2) );
47
48  us1.insert(3);
49  VERIFY( us1 != us2 );
50  VERIFY( !(us1 == us2) );
51
52  us2.insert(3);
53  VERIFY( (us1 == us2) );
54  VERIFY( !(us1 != us2) );
55
56  us2.clear();
57  VERIFY( us1 != us2 );
58  VERIFY( !(us1 == us2) );
59
60  us1.clear();
61  VERIFY( us1 == us2 );
62  VERIFY( !(us1 != us2) );
63
64  us1.insert(1);
65  us2.insert(2);
66  VERIFY( us1 != us2 );
67  VERIFY( !(us1 == us2) );
68
69  us1.insert(2);
70  us2.insert(1);
71  VERIFY( us1 == us2 );
72  VERIFY( !(us1 != us2) );
73
74  us1.insert(3);
75  us2.insert(4);
76  VERIFY( us1 != us2 );
77  VERIFY( !(us1 == us2) );
78
79  us1.insert(4);
80  VERIFY( us1 != us2 );
81  VERIFY( !(us1 == us2) );
82
83  us2.insert(3);
84  VERIFY( us1 == us2 );
85  VERIFY( !(us1 != us2) );
86
87  us1.insert(1);
88  us2.insert(1);
89  VERIFY( us1 == us2 );
90  VERIFY( !(us1 != us2) );
91
92  us1.insert(4);
93  us2.insert(4);
94  VERIFY( us1 == us2 );
95  VERIFY( !(us1 != us2) );
96
97  const std::unordered_set<int> cus1(us1), cus2(us2);
98  VERIFY( cus1 == cus2 );
99  VERIFY( !(cus1 != cus2) );
100  VERIFY( cus1 == us2 );
101  VERIFY( !(us1 != cus2) );
102}
103
104int main()
105{
106  test01();
107  return 0;
108}
109