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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/23_containers/map/debug/invalidation/2.cc
1 // Map iterator invalidation tests
3 // Copyright (C) 2003, 2004, 2005, 2006, 2009 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 3, 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 COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
22 #include <testsuite_hooks.h>
24 using __gnu_debug::map
;
33 for (int i
= 0; i
< 20; ++i
)
36 // Single element erase (middle)
37 map
<int, int>::iterator before
= v
.begin();
38 map
<int, int>::iterator at
= before
;
40 map
<int, int>::iterator after
= at
;
43 VERIFY(before
._M_dereferenceable());
44 VERIFY(at
._M_singular());
45 VERIFY(after
._M_dereferenceable());
47 // Multiple element erase
54 VERIFY(before
._M_dereferenceable());
55 VERIFY(at
._M_singular());
59 map
<int, int>::iterator finish
= v
.end();
60 VERIFY(before
._M_dereferenceable());
62 VERIFY(before
._M_singular());
63 VERIFY(!finish
._M_singular() && !finish
._M_dereferenceable());