1 // { dg-options "-std=gnu++0x" }
3 // 2010-02-10 Paolo Carlini <paolo.carlini@oracle.com>
5 // Copyright (C) 2010 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_set>
24 #include <testsuite_hooks.h>
28 bool test
__attribute__((unused
)) = true;
30 typedef std::unordered_set
<std::string
> Set
;
31 typedef Set::iterator iterator
;
32 typedef Set::const_iterator const_iterator
;
36 s1
.insert("because to why");
37 s1
.insert("the stockholm syndrome");
38 s1
.insert("a cereous night");
41 s1
.insert("the way you are when");
42 s1
.insert("tillsammans");
43 s1
.insert("umbra/penumbra");
44 s1
.insert("belonging (no longer mix)");
45 s1
.insert("one line behind");
46 VERIFY( s1
.size() == 10 );
48 VERIFY( s1
.erase("eeilo") == 1 );
49 VERIFY( s1
.size() == 9 );
50 iterator it1
= s1
.find("eeilo");
51 VERIFY( it1
== s1
.end() );
53 VERIFY( s1
.erase("tillsammans") == 1 );
54 VERIFY( s1
.size() == 8 );
55 iterator it2
= s1
.find("tillsammans");
56 VERIFY( it2
== s1
.end() );
58 // Must work (see DR 526)
59 iterator it3
= s1
.find("belonging (no longer mix)");
60 VERIFY( it3
!= s1
.end() );
61 VERIFY( s1
.erase(*it3
) == 1 );
62 VERIFY( s1
.size() == 7 );
63 it3
= s1
.find("belonging (no longer mix)");
64 VERIFY( it3
== s1
.end() );
66 VERIFY( !s1
.erase("abra") );
67 VERIFY( s1
.size() == 7 );
69 VERIFY( !s1
.erase("eeilo") );
70 VERIFY( s1
.size() == 7 );
72 VERIFY( s1
.erase("because to why") == 1 );
73 VERIFY( s1
.size() == 6 );
74 iterator it4
= s1
.find("because to why");
75 VERIFY( it4
== s1
.end() );
77 iterator it5
= s1
.find("umbra/penumbra");
78 iterator it6
= s1
.find("one line behind");
79 VERIFY( it5
!= s1
.end() );
80 VERIFY( it6
!= s1
.end() );
82 VERIFY( s1
.find("the stockholm syndrome") != s1
.end() );
83 VERIFY( s1
.find("a cereous night") != s1
.end() );
84 VERIFY( s1
.find("the way you are when") != s1
.end() );
85 VERIFY( s1
.find("a cereous night") != s1
.end() );
87 VERIFY( s1
.erase(*it5
) == 1 );
88 VERIFY( s1
.size() == 5 );
89 it5
= s1
.find("umbra/penumbra");
90 VERIFY( it5
== s1
.end() );
92 VERIFY( s1
.erase(*it6
) == 1 );
93 VERIFY( s1
.size() == 4 );
94 it6
= s1
.find("one line behind");
95 VERIFY( it6
== s1
.end() );
97 iterator it7
= s1
.begin();
103 VERIFY( s1
.erase(*it8
) == 1 );
104 VERIFY( s1
.size() == 3 );
105 VERIFY( ++it7
== it9
);
109 iterator it11
= it10
;
111 VERIFY( s1
.erase(*it9
) == 1 );
112 VERIFY( s1
.size() == 2 );
113 VERIFY( ++it10
== s1
.end() );
115 s1
.erase(s1
.begin());
116 VERIFY( s1
.size() == 1 );
117 VERIFY( s1
.begin() == it11
);
119 VERIFY( s1
.erase(*s1
.begin()) == 1 );
120 VERIFY( s1
.size() == 0 );
121 VERIFY( s1
.begin() == s1
.end() );