Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / 23_containers / multimap / invalidation / 2.cc

diff --git a/libstdc++-v3/testsuite/23_containers/multimap/invalidation/2.cc b/libstdc++-v3/testsuite/23_containers/multimap/invalidation/2.cc
new file mode 100644 (file)
index 0000000..756c951
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/multimap/invalidation/2.cc
@@ -0,0 +1,71 @@
+// Multimap 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/map>
+#include <iterator>
+#include <testsuite_hooks.h>
+#include <utility>
+
+using __gnu_debug::multimap;
+using std::advance;
+
+bool test = true;
+
+// Erase
+void test02()
+{
+  multimap<int, int> v;
+  for (int i = 0; i < 20; ++i)
+    v.insert(std::make_pair(i, 20-i));
+
+  // Single element erase (middle)
+  multimap<int, int>::iterator before = v.begin();
+  multimap<int, int>::iterator at = before;
+  advance(at, 3);
+  multimap<int, int>::iterator after = at;
+  ++after;
+  v.erase(at);
+  VERIFY(before._M_dereferenceable());
+  VERIFY(at._M_singular());
+  VERIFY(after._M_dereferenceable());
+
+  // Multiple element erase
+  before = v.begin();
+  at = before;
+  advance(at, 3);
+  after = at;
+  advance(after, 4);
+  v.erase(at, after);
+  VERIFY(before._M_dereferenceable());
+  VERIFY(at._M_singular());
+
+  // clear()
+  before = v.begin();
+  multimap<int, int>::iterator finish = v.end();
+  VERIFY(before._M_dereferenceable());
+  v.clear();
+  VERIFY(before._M_singular());
+  VERIFY(!finish._M_singular() && !finish._M_dereferenceable());
+}
+
+int main()
+{
+  test02();
+  return 0;
+}