1 // { dg-do run { target c++11 } }
2 // 2008-07-22  Edward Smith-Rowland  <3dw4rd@verizon.net>
3 //
4 // Copyright (C) 2009-2021 Free Software Foundation, Inc.
5 //
6 // This file is part of the GNU ISO C++ Library.  This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 3, or (at your option)
10 // any later version.
11 //
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 // GNU General Public License for more details.
16 //
17 // You should have received a copy of the GNU General Public License along
18 // with this library; see the file COPYING3.  If not see
19 // <http://www.gnu.org/licenses/>.
20 
21 #include <set>
22 #include <testsuite_hooks.h>
23 
24 //  DR 130. Associative erase should return an iterator.
25 void
test01()26 test01()
27 {
28   using namespace std;
29 
30   set<int> s0;
31   typedef set<int>::iterator iterator;
32   typedef set<int>::const_iterator const_iterator;
33   typedef pair<iterator, bool> insert_return_type;
34 
35   s0.insert(1);
36   insert_return_type irt1 = s0.insert(2);
37   insert_return_type irt2 = s0.insert(3);
38 
39   iterator pos1 = s0.erase(irt1.first);
40   VERIFY( pos1 == irt2.first );
41 
42   iterator pos2 = s0.erase(irt2.first);
43   VERIFY( pos2 == s0.end() );
44 }
45 
46 void
test02()47 test02()
48 {
49   using namespace std;
50 
51   set<int> s0;
52   typedef set<int>::iterator iterator;
53   typedef set<int>::const_iterator const_iterator;
54   typedef pair<iterator, bool> insert_return_type;
55 
56   insert_return_type irt0 = s0.insert(1);
57   s0.insert(2);
58   insert_return_type irt2 = s0.insert(3);
59   insert_return_type irt3 = s0.insert(4);
60 
61   iterator pos1 = s0.erase(irt0.first, irt2.first);
62   VERIFY( pos1 == irt2.first );
63 
64   iterator pos2 = s0.erase(irt2.first, ++irt3.first);
65   VERIFY( pos2 == s0.end() );
66 }
67 
68 int
main()69 main()
70 {
71   test01();
72   test02();
73 }
74