mirror of git://gcc.gnu.org/git/gcc.git
73 lines
1.9 KiB
C++
73 lines
1.9 KiB
C++
// Multimap iterator invalidation tests
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// Copyright (C) 2003 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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#include <debug/map>
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#include <iterator>
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#include <testsuite_hooks.h>
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#include <utility>
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using __gnu_debug::multimap;
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using std::advance;
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bool test = true;
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// Erase
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void test02()
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{
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multimap<int, int> v;
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for (int i = 0; i < 20; ++i)
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v.insert(std::make_pair(i, 20-i));
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// Single element erase (middle)
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multimap<int, int>::iterator before = v.begin();
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multimap<int, int>::iterator at = before;
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advance(at, 3);
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multimap<int, int>::iterator after = at;
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++after;
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v.erase(at);
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VERIFY(before._M_dereferenceable());
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VERIFY(at._M_singular());
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VERIFY(after._M_dereferenceable());
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// Multiple element erase
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before = v.begin();
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at = before;
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advance(at, 3);
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after = at;
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advance(after, 4);
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v.erase(at, after);
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VERIFY(before._M_dereferenceable());
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VERIFY(at._M_singular());
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// clear()
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before = v.begin();
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multimap<int, int>::iterator finish = v.end();
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VERIFY(before._M_dereferenceable());
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v.clear();
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VERIFY(before._M_singular());
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VERIFY(!finish._M_singular() && !finish._M_dereferenceable());
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}
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int main()
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{
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test02();
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return !test;
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}
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