--- /dev/null
+// 2000-06-29 bkoz
+
+// Copyright (C) 2000, 2001, 2002, 2003, 2004, 2009 Free Software Foundation
+//
+// 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/>.
+
+// 27.6.2.4 basic_ostream seek members [lib.ostream.seeks]
+
+#include <ostream>
+#include <istream>
+#include <sstream>
+#include <testsuite_hooks.h>
+
+const char* s = " lootpack, peanut butter wolf, rob swift, madlib, quasimoto";
+const int times = 10;
+
+void write_rewind(std::iostream& stream)
+{
+ bool test __attribute__((unused)) = true;
+
+ for (int j = 0; j < times; j++)
+ {
+ std::streampos begin = stream.tellp();
+
+ for (int i = 0; i < times; ++i)
+ stream << j << '-' << i << s << '\n';
+
+ stream.seekp(begin);
+ }
+ VERIFY( stream.good() );
+}
+
+void check_contents(std::iostream& stream)
+{
+ bool test __attribute__((unused)) = true;
+
+ stream.clear();
+ stream.seekg(0, std::ios::beg);
+ int i = 0;
+ int loop = times * times + 2;
+ while (i < loop)
+ {
+ stream.ignore(80, '\n');
+ if (stream.good())
+ ++i;
+ else
+ break;
+ }
+ VERIFY( i == times );
+}
+
+// stringstream
+// libstdc++/2346
+// N.B. The original testcase was broken, using tellg/seekg in write_rewind.
+void test03()
+{
+ std::stringstream sstrm;
+
+ write_rewind(sstrm);
+ check_contents(sstrm);
+}
+
+int main()
+{
+ test03();
+ return 0;
+}