--- /dev/null
+// Deque iterator invalidation tests
+
+// Copyright (C) 2003, 2005, 2006, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <debug/deque>
+#include <testsuite_hooks.h>
+
+using __gnu_debug::deque;
+
+bool test = true;
+
+// Erase
+void test04()
+{
+ deque<int> v(20, 42);
+
+ // Single element erase (middle)
+ deque<int>::iterator before = v.begin();
+ deque<int>::iterator at = before + 3;
+ deque<int>::iterator after = at;
+ at = v.erase(at);
+ VERIFY(before._M_singular());
+ VERIFY(at._M_dereferenceable());
+ VERIFY(after._M_singular());
+
+ // Single element erase (end)
+ before = v.begin();
+ at = before;
+ after = at + 1;
+ at = v.erase(at);
+ VERIFY(before._M_singular());
+ VERIFY(at._M_dereferenceable());
+ VERIFY(after._M_dereferenceable());
+
+ // Multiple element erase
+ before = v.begin();
+ at = before + 3;
+ v.erase(at, at + 3);
+ VERIFY(before._M_singular());
+ VERIFY(at._M_singular());
+
+ // Multiple element erase at end
+ before = v.begin();
+ at = before + 3;
+ v.erase(at, v.end());
+ *before;
+
+ // clear()
+ before = v.begin();
+ VERIFY(before._M_dereferenceable());
+ v.clear();
+ VERIFY(before._M_singular());
+}
+
+int main()
+{
+ test04();
+ return 0;
+}