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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/23_containers/map/invalidation/2.cc
1 // Map iterator invalidation tests
3 // Copyright (C) 2003 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 2, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING. If not, write to the Free
18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
23 #include <testsuite_hooks.h>
25 using __gnu_debug::map
;
34 for (int i
= 0; i
< 20; ++i
)
37 // Single element erase (middle)
38 map
<int, int>::iterator before
= v
.begin();
39 map
<int, int>::iterator at
= before
;
41 map
<int, int>::iterator after
= at
;
44 VERIFY(before
._M_dereferenceable());
45 VERIFY(at
._M_singular());
46 VERIFY(after
._M_dereferenceable());
48 // Multiple element erase
55 VERIFY(before
._M_dereferenceable());
56 VERIFY(at
._M_singular());
60 map
<int, int>::iterator finish
= v
.end();
61 VERIFY(before
._M_dereferenceable());
63 VERIFY(before
._M_singular());
64 VERIFY(!finish
._M_singular() && !finish
._M_dereferenceable());