--- /dev/null
+// Copyright (C) 2003, 2004, 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/>.
+
+// 27.8.1.4 Overridden virtual functions
+
+#include <fstream>
+#include <testsuite_hooks.h>
+
+void test03()
+{
+ using namespace std;
+ bool test __attribute__((unused)) = true;
+
+ const char* name = "tmp_seekoff_3";
+
+ wfilebuf fb;
+
+ fb.open(name, ios_base::out);
+ fb.sputc(0xf001);
+
+ try
+ {
+ // seekoff should flush the output sequence, which will fail
+ // if the output buffer contains illegal characters.
+ fb.pubseekoff(0, ios_base::cur);
+ VERIFY( false );
+ }
+ catch (std::exception&)
+ {
+ }
+}
+
+int main()
+{
+ test03();
+ return 0;
+}