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52066eae 1// { dg-do run { target c++11 } }
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2
3// 2011-10-28 Paolo Carlini <paolo.carlini@oracle.com>
4
83ffe9cd 5// Copyright (C) 2011-2023 Free Software Foundation, Inc.
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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
23#include <unordered_set>
24#include <testsuite_hooks.h>
25
26void test01()
27{
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28 using namespace std;
29
30 unordered_multiset<int> ums0;
31 VERIFY( ums0.count(0) == 0 );
32 VERIFY( ums0.count(1) == 0 );
33
34 ums0.insert(1);
35 VERIFY( ums0.count(0) == 0 );
36 VERIFY( ums0.count(1) == 1 );
37
38 ums0.insert(1);
39 VERIFY( ums0.count(0) == 0 );
40 VERIFY( ums0.count(1) == 2 );
41
42 ums0.insert(2);
43 VERIFY( ums0.count(2) == 1 );
44
45 ums0.insert(3);
46 ums0.insert(3);
47 ums0.insert(3);
48 VERIFY( ums0.count(3) == 3 );
49
50 ums0.erase(2);
51 VERIFY( ums0.count(2) == 0 );
52
53 ums0.erase(0);
54 VERIFY( ums0.count(0) == 0 );
55
56 unordered_multiset<int> ums1(ums0);
57 VERIFY( ums1.count(0) == 0 );
58 VERIFY( ums1.count(1) == 2 );
59 VERIFY( ums1.count(2) == 0 );
60 VERIFY( ums1.count(3) == 3 );
61
62 ums0.clear();
63 VERIFY( ums0.count(0) == 0 );
64 VERIFY( ums0.count(1) == 0 );
65 VERIFY( ums0.count(2) == 0 );
66 VERIFY( ums0.count(3) == 0 );
67
68 ums1.insert(4);
69 ums1.insert(5);
70 ums1.insert(5);
71 ums1.insert(5);
72 ums1.insert(5);
73 VERIFY( ums1.count(4) == 1 );
74 VERIFY( ums1.count(5) == 4 );
75
76 ums1.erase(1);
77 VERIFY( ums1.count(1) == 0 );
78
79 ums1.erase(ums1.find(5));
80 VERIFY( ums1.count(5) == 3 );
81
82 ums1.insert(1);
83 ums1.insert(1);
84 VERIFY( ums1.count(1) == 2 );
85
86 ums1.erase(5);
87 VERIFY( ums1.count(5) == 0 );
88
89 ums1.erase(ums1.find(4));
90 VERIFY( ums1.count(4) == 0 );
91
92 ums1.clear();
93 VERIFY( ums1.count(0) == 0 );
94 VERIFY( ums1.count(1) == 0 );
95 VERIFY( ums1.count(2) == 0 );
96 VERIFY( ums1.count(3) == 0 );
97 VERIFY( ums1.count(4) == 0 );
98 VERIFY( ums1.count(5) == 0 );
99}
100
101int main()
102{
103 test01();
104 return 0;
105}