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diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/3.cc b/libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/3.cc
new file mode 100644
index 00000000..f53b9bc1
--- /dev/null
+++ b/libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/3.cc
@@ -0,0 +1,69 @@
+// 1999-06-04 bkoz
+
+// Copyright (C) 1999, 2000, 2001, 2002, 2003, 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 <new>
+#include <string>
+#include <stdexcept>
+#include <testsuite_hooks.h>
+
+void test03()
+{
+  bool test __attribute__((unused)) = true;
+  const wchar_t* with_nulls = L"This contains \0 a zero byte.";
+
+  // These are tests to see how basic_string handles data with NUL
+  // bytes.  Obviously basic_string(char*) will halt at the first one, but
+  // nothing else should.
+  std::wstring s1 (with_nulls, 28);
+  VERIFY( s1.size() == 28 );
+  std::wstring s2 (s1);
+  VERIFY( s2.size() == 28 );
+
+  // Not defined, but libstdc++ throws an exception.
+  const wchar_t* bogus = 0;
+  try 
+    {
+      std::wstring str1(bogus);
+      VERIFY( false );
+    }		 
+  catch(std::exception& fail) 
+    {
+      VERIFY( true );
+    }
+
+  // Not defined, but libstdc++ throws an exception.
+  try 
+    {
+      std::wstring str2(bogus, 5);
+      VERIFY( false );
+    }		 
+  catch(std::exception& fail) 
+    {
+      VERIFY( true );
+    }
+}
+
+int main()
+{ 
+  test03();
+  return 0;
+}