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diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/insert/wchar_t/2.cc b/libstdc++-v3/testsuite/21_strings/basic_string/insert/wchar_t/2.cc
new file mode 100644
index 00000000..17c03cda
--- /dev/null
+++ b/libstdc++-v3/testsuite/21_strings/basic_string/insert/wchar_t/2.cc
@@ -0,0 +1,82 @@
+// 1999-06-03 bkoz
+
+// Copyright (C) 1999, 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/>.
+
+// 21.3.5.4 basic_string::insert
+
+#include <string>
+#include <testsuite_hooks.h>
+
+// More
+//   wstring& insert(size_type __p, const wchar_t* s, size_type n);
+//   wstring& insert(size_type __p, const wchar_t* s);
+// but now s points inside the _Rep
+int test02(void)
+{
+  bool test __attribute__((unused)) = true;
+
+  std::wstring str01;
+  const wchar_t* title = L"Everything was beautiful, and nothing hurt";
+  // Increasing size: str01 is reallocated every time.
+  str01 = title;
+  str01.insert(0, str01.c_str() + str01.size() - 4, 4);
+  VERIFY( str01 == L"hurtEverything was beautiful, and nothing hurt" );
+  str01 = title;
+  str01.insert(0, str01.c_str(), 5);
+  VERIFY( str01 == L"EveryEverything was beautiful, and nothing hurt" );
+  str01 = title;
+  str01.insert(10, str01.c_str() + 4, 6);
+  VERIFY( str01 == L"Everythingything was beautiful, and nothing hurt" );
+  str01 = title;
+  str01.insert(15, str01.c_str(), 10);
+  VERIFY( str01 == L"Everything was Everythingbeautiful, and nothing hurt" );
+  str01 = title;
+  str01.insert(15, str01.c_str() + 11, 13);
+  VERIFY( str01 == L"Everything was was beautifulbeautiful, and nothing hurt" );
+  str01 = title;
+  str01.insert(0, str01.c_str());
+  VERIFY( str01 == L"Everything was beautiful, and nothing hurt"
+	  L"Everything was beautiful, and nothing hurt");
+  // Again: no reallocations.
+  str01 = title;
+  str01.insert(0, str01.c_str() + str01.size() - 4, 4);
+  VERIFY( str01 == L"hurtEverything was beautiful, and nothing hurt" );
+  str01 = title;
+  str01.insert(0, str01.c_str(), 5);
+  VERIFY( str01 == L"EveryEverything was beautiful, and nothing hurt" );
+  str01 = title;
+  str01.insert(10, str01.c_str() + 4, 6);
+  VERIFY( str01 == L"Everythingything was beautiful, and nothing hurt" );
+  str01 = title;
+  str01.insert(15, str01.c_str(), 10);
+  VERIFY( str01 == L"Everything was Everythingbeautiful, and nothing hurt" );
+  str01 = title;
+  str01.insert(15, str01.c_str() + 11, 13);
+  VERIFY( str01 == L"Everything was was beautifulbeautiful, and nothing hurt" );
+  str01 = title;
+  str01.insert(0, str01.c_str());
+  VERIFY( str01 == L"Everything was beautiful, and nothing hurt"
+	  L"Everything was beautiful, and nothing hurt");
+  return test;
+}
+
+int main()
+{ 
+  test02();
+  return 0;
+}