1 // { dg-options "-std=gnu++11" }
3 // 2010-02-10 Paolo Carlini <paolo.carlini@oracle.com>
5 // Copyright (C) 2010-2016 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>
29 bool test
__attribute__((unused
)) = true;
31 typedef std::unordered_set
<std::string
> Set
;
32 typedef Set::iterator iterator
;
33 typedef Set::const_iterator const_iterator
;
37 s1
.insert("all the love in the world");
38 s1
.insert("you know what you are?");
39 s1
.insert("the collector");
40 s1
.insert("the hand that feeds");
41 s1
.insert("love is not enough");
42 s1
.insert("every day is exactly the same");
43 s1
.insert("with teeth");
45 s1
.insert("getting smaller");
46 s1
.insert("sunspots");
47 VERIFY( s1
.size() == 10 );
49 iterator it1
= s1
.begin();
53 iterator it3
= s1
.erase(it1
);
54 VERIFY( s1
.size() == 9 );
56 VERIFY( *it3
== *it2
);
58 iterator it4
= s1
.begin();
65 iterator it6
= s1
.erase(it4
, it5
);
66 VERIFY( s1
.size() == 7 );
68 VERIFY( *it6
== *it5
);
70 const_iterator it7
= s1
.begin();
74 const_iterator it8
= it7
;
76 const_iterator it9
= s1
.erase(it7
);
77 VERIFY( s1
.size() == 6 );
79 VERIFY( *it9
== *it8
);
81 const_iterator it10
= s1
.begin();
83 const_iterator it11
= it10
;
88 const_iterator it12
= s1
.erase(it10
, it11
);
89 VERIFY( s1
.size() == 2 );
90 VERIFY( it12
== it11
);
91 VERIFY( *it12
== *it11
);
92 VERIFY( ++it12
== s1
.end() );
94 iterator it13
= s1
.erase(s1
.begin(), s1
.end());
95 VERIFY( s1
.size() == 0 );
96 VERIFY( it13
== s1
.end() );
97 VERIFY( it13
== s1
.begin() );