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diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/6.cc b/libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/6.cc
new file mode 100644
index 00000000..82ed764d
--- /dev/null
+++ b/libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/6.cc
@@ -0,0 +1,55 @@
+// 2004-01-30  Paolo Carlini  <pcarlini@suse.de>
+
+// Copyright (C) 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/>.
+
+// 21.3.1 basic_string constructors.
+
+#include <iterator>
+#include <sstream>
+#include <cstdlib>
+#include <testsuite_hooks.h>
+
+using namespace std;
+
+wstring data(long len)
+{
+  wstring ret;
+  for (long i = 0; i < len; ++i)
+    ret.push_back(L'a' + rand() % 26);
+  return ret;
+}
+
+void test01(int iter)
+{
+  bool test __attribute__((unused)) = true;
+
+  for (long i = 0, j = 1; i < iter; ++i, j *= 3)
+    {
+      wistringstream isstr(data(j));
+
+      wstring str((istreambuf_iterator<wchar_t>(isstr)),
+		  istreambuf_iterator<wchar_t>());
+      VERIFY( str == isstr.str() );
+    }
+}
+
+int main()
+{
+  test01(13);
+  return 0;
+}