1 // { dg-do run { target c++11 } }
3 // 2010-02-10 Paolo Carlini <paolo.carlini@oracle.com>
5 // Copyright (C) 2010-2024 Free Software Foundation, Inc.
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)
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.
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/>.
22 #include <unordered_map>
24 #include <testsuite_hooks.h>
29 get_nb_bucket_elems(const std::unordered_map
<std::string
, int>& us
)
32 for (std::size_t b
= 0; b
!= us
.bucket_count(); ++b
)
33 nb
+= us
.bucket_size(b
);
40 typedef std::unordered_map
<std::string
, int> Map
;
41 typedef Map::iterator iterator
;
42 typedef Map::const_iterator const_iterator
;
43 typedef Map::value_type value_type
;
47 m1
.insert(value_type("because to why", 1));
48 m1
.insert(value_type("the stockholm syndrome", 2));
49 m1
.insert(value_type("a cereous night", 3));
50 m1
.insert(value_type("eeilo", 4));
51 m1
.insert(value_type("protean", 5));
52 m1
.insert(value_type("the way you are when", 6));
53 m1
.insert(value_type("tillsammans", 7));
54 m1
.insert(value_type("umbra/penumbra", 8));
55 m1
.insert(value_type("belonging (no longer mix)", 9));
56 m1
.insert(value_type("one line behind", 10));
57 VERIFY( m1
.size() == 10 );
58 VERIFY( get_nb_bucket_elems(m1
) == m1
.size() );
59 VERIFY( distance(m1
.begin(), m1
.end()) - m1
.size() == 0 );
61 VERIFY( m1
.erase("eeilo") == 1 );
62 VERIFY( m1
.size() == 9 );
63 VERIFY( get_nb_bucket_elems(m1
) == m1
.size() );
64 VERIFY( distance(m1
.begin(), m1
.end()) - m1
.size() == 0 );
65 iterator it1
= m1
.find("eeilo");
66 VERIFY( it1
== m1
.end() );
68 VERIFY( m1
.erase("tillsammans") == 1 );
69 VERIFY( m1
.size() == 8 );
70 VERIFY( get_nb_bucket_elems(m1
) == m1
.size() );
71 VERIFY( distance(m1
.begin(), m1
.end()) - m1
.size() == 0 );
72 iterator it2
= m1
.find("tillsammans");
73 VERIFY( it2
== m1
.end() );
75 // Must work (see DR 526)
76 iterator it3
= m1
.find("belonging (no longer mix)");
77 VERIFY( it3
!= m1
.end() );
78 VERIFY( m1
.erase(it3
->first
) == 1 );
79 VERIFY( m1
.size() == 7 );
80 VERIFY( get_nb_bucket_elems(m1
) == m1
.size() );
81 VERIFY( distance(m1
.begin(), m1
.end()) - m1
.size() == 0 );
82 it3
= m1
.find("belonging (no longer mix)");
83 VERIFY( it3
== m1
.end() );
85 VERIFY( !m1
.erase("abra") );
86 VERIFY( m1
.size() == 7 );
87 VERIFY( get_nb_bucket_elems(m1
) == m1
.size() );
88 VERIFY( distance(m1
.begin(), m1
.end()) - m1
.size() == 0 );
90 VERIFY( !m1
.erase("eeilo") );
91 VERIFY( m1
.size() == 7 );
93 VERIFY( m1
.erase("because to why") == 1 );
94 VERIFY( m1
.size() == 6 );
95 VERIFY( get_nb_bucket_elems(m1
) == m1
.size() );
96 VERIFY( distance(m1
.begin(), m1
.end()) - m1
.size() == 0 );
97 iterator it4
= m1
.find("because to why");
98 VERIFY( it4
== m1
.end() );
100 iterator it5
= m1
.find("umbra/penumbra");
101 iterator it6
= m1
.find("one line behind");
102 VERIFY( it5
!= m1
.end() );
103 VERIFY( it6
!= m1
.end() );
105 VERIFY( m1
.find("the stockholm syndrome") != m1
.end() );
106 VERIFY( m1
.find("a cereous night") != m1
.end() );
107 VERIFY( m1
.find("the way you are when") != m1
.end() );
108 VERIFY( m1
.find("a cereous night") != m1
.end() );
110 VERIFY( m1
.erase(it5
->first
) == 1 );
111 VERIFY( m1
.size() == 5 );
112 VERIFY( get_nb_bucket_elems(m1
) == m1
.size() );
113 VERIFY( distance(m1
.begin(), m1
.end()) - m1
.size() == 0 );
114 it5
= m1
.find("umbra/penumbra");
115 VERIFY( it5
== m1
.end() );
117 VERIFY( m1
.erase(it6
->first
) == 1 );
118 VERIFY( m1
.size() == 4 );
119 VERIFY( get_nb_bucket_elems(m1
) == m1
.size() );
120 VERIFY( distance(m1
.begin(), m1
.end()) - m1
.size() == 0 );
121 it6
= m1
.find("one line behind");
122 VERIFY( it6
== m1
.end() );
124 iterator it7
= m1
.begin();
130 VERIFY( m1
.erase(it8
->first
) == 1 );
131 VERIFY( m1
.size() == 3 );
132 VERIFY( get_nb_bucket_elems(m1
) == m1
.size() );
133 VERIFY( distance(m1
.begin(), m1
.end()) - m1
.size() == 0 );
134 VERIFY( ++it7
== it9
);
138 iterator it11
= it10
;
140 VERIFY( m1
.erase(it9
->first
) == 1 );
141 VERIFY( get_nb_bucket_elems(m1
) == m1
.size() );
142 VERIFY( distance(m1
.begin(), m1
.end()) - m1
.size() == 0 );
143 VERIFY( m1
.size() == 2 );
144 VERIFY( ++it10
== m1
.end() );
146 VERIFY( m1
.erase(m1
.begin()) != m1
.end() );
147 VERIFY( m1
.size() == 1 );
148 VERIFY( get_nb_bucket_elems(m1
) == m1
.size() );
149 VERIFY( distance(m1
.begin(), m1
.end()) - m1
.size() == 0 );
150 VERIFY( m1
.begin() == it11
);
152 VERIFY( m1
.erase(m1
.begin()->first
) == 1 );
153 VERIFY( m1
.size() == 0 );
154 VERIFY( get_nb_bucket_elems(m1
) == m1
.size() );
155 VERIFY( distance(m1
.begin(), m1
.end()) - m1
.size() == 0 );
156 VERIFY( m1
.begin() == m1
.end() );