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diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/replace/wchar_t/4.cc b/libstdc++-v3/testsuite/21_strings/basic_string/replace/wchar_t/4.cc
new file mode 100644
index 00000000..60d6a157
--- /dev/null
+++ b/libstdc++-v3/testsuite/21_strings/basic_string/replace/wchar_t/4.cc
@@ -0,0 +1,67 @@
+// 1999-06-10 bkoz
+
+// Copyright (C) 1994, 1999, 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/>.
+
+// 21.3.5.6 basic_string::replace
+
+#include <string>
+#include <testsuite_hooks.h>
+
+// Some more tests for 
+// template<typename InputIter>
+//   wstring& replace(iterator it1, iterator it2, InputIter j1, InputIter j2)
+void
+test04()
+{
+  bool test __attribute__((unused)) = true;
+  std::wstring str01 = L"geogaddi";
+  std::wstring str02;
+
+  typedef std::wstring::iterator iterator;
+  typedef std::wstring::const_iterator const_iterator;
+  
+  iterator it1 = str01.begin();
+  iterator it2 = str01.end();
+  str02.replace(str02.begin(), str02.end(), it1, it2);
+  VERIFY(str02 == L"geogaddi");
+
+  str02 = L"boards";
+  const_iterator c_it1 = str01.begin();
+  const_iterator c_it2 = str01.end();
+  str02.replace(str02.begin(), str02.end(), c_it1, c_it2);
+  VERIFY(str02 == L"geogaddi");
+
+  str02 = L"boards";
+  const wchar_t* c_ptr1 = str01.c_str();
+  const wchar_t* c_ptr2 = str01.c_str() + 8;
+  str02.replace(str02.begin(), str02.end(), c_ptr1, c_ptr2);
+  VERIFY(str02 == L"geogaddi");
+
+  str02 = L"boards";
+  wchar_t* ptr1 = &*str01.begin();
+  wchar_t* ptr2 = ptr1 + str01.length();
+  str02.replace(str02.begin(), str02.end(), ptr1, ptr2);
+  VERIFY(str02 == L"geogaddi");
+}
+
+int main()
+{ 
+  test04();
+  return 0;
+}