2003-02-06 Benjamin Kosnik <bkoz@redhat.com>

	* testsuite/22_locale/codecvt/encoding/wchar_t/1.cc (test01):
	Explicitly use the "C" locale.
	* testsuite/22_locale/codecvt/max_length/wchar_t/1.cc (test01): Same.

2003-02-06  Petur Runolfsson  <peturr02@ru.is>

	DR 75
	DR 305
	PR libstdc++/9028 (partial)
	PR libstdc++/9224
	PR libstdc++/9246
	PR libstdc++/9247

	* src/codecvt.cc
	(codecvt<wchar_t, char, mbstate_t>::do_encoding,
	codecvt<wchar_t, char, mbstate_t>::do_length,
	codecvt<wchar_t, char, mbstate_t>::do_max_length):
	Move...
	* config/locale/generic/codecvt_members.cc:  ...here.
	* config/locale/gnu/codecvt_members.cc:  ...and here.

	* config/locale/generic/codecvt_members.cc,
	* config/locale/gnu/codecvt_members.cc
	(codecvt<wchar_t, char, mbstate_t>::do_encoding
	codecvt<wchar_t, char, mbstate_t>::do_in,
	codecvt<wchar_t, char, mbstate_t>::do_length,
	codecvt<wchar_t, char, mbstate_t>::do_max_length,
	codecvt<wchar_t, char, mbstate_t>::do_out):
	New implementation that handles stateless encodings,
	including UTF-8.

	* config/locale/generic/codecvt_members.cc,
	* config/locale/gnu/codecvt_members.cc,
	* config/locale/ieee_1003.1-2001/codecvt_specializations.h,
	* include/bits/codecvt.h,
	* src/codecvt.cc
	(codecvt::length, codecvt::do_length):
	Change type of first argument of length and do_length from
	'const state_type&' to 'state_type&' according to DR 75.

	* testsuite/22_locale/codecvt/always_noconv/wchar_t/1.cc:  Cleanup.
	* testsuite/22_locale/codecvt/always_noconv/wchar_t/2.cc:  New test.
	* testsuite/22_locale/codecvt/always_noconv/wchar_t/3.cc:  New test.
	* testsuite/22_locale/codecvt/always_noconv/wchar_t/4.cc:  New test.
	* testsuite/22_locale/codecvt/encoding/wchar_t/1.cc:
	Cleanup and check for correct return value from encoding
	for "C" locale.
	* testsuite/22_locale/codecvt/encoding/wchar_t/2.cc:  New test.
	* testsuite/22_locale/codecvt/encoding/wchar_t/3.cc:  New test.
	* testsuite/22_locale/codecvt/encoding/wchar_t/4.cc:  New test.
	* testsuite/22_locale/codecvt/in/wchar_t/1.cc:  Cleanup.
	* testsuite/22_locale/codecvt/in/wchar_t/2.cc:  New test.
	* testsuite/22_locale/codecvt/in/wchar_t/3.cc:  New test.
	* testsuite/22_locale/codecvt/in/wchar_t/4.cc:  New test.
	* testsuite/22_locale/codecvt/in/wchar_t/5.cc:  New test.
	* testsuite/22_locale/codecvt/in/wchar_t/6.cc:  New test.
	* testsuite/22_locale/codecvt/in/wchar_t/7.cc:  New test.
	* testsuite/22_locale/codecvt/in/wchar_t/8.cc:  New test.
	* testsuite/22_locale/codecvt/in/wchar_t/9.cc:  New test.
	* testsuite/22_locale/codecvt/length/char/1.cc:  Cleanup.
	* testsuite/22_locale/codecvt/length/char/2.cc:  New test.
	* testsuite/22_locale/codecvt/length/wchar_t/1.cc:  Cleanup.
	* testsuite/22_locale/codecvt/length/wchar_t/2.cc:  New test.
	* testsuite/22_locale/codecvt/length/wchar_t/3.cc:  New test.
	* testsuite/22_locale/codecvt/length/wchar_t/4.cc:  New test.
	* testsuite/22_locale/codecvt/length/wchar_t/5.cc:  New test.
	* testsuite/22_locale/codecvt/length/wchar_t/6.cc:  New test.
	* testsuite/22_locale/codecvt/length/wchar_t/7.cc:  New test.
	* testsuite/22_locale/codecvt/max_length/wchar_t/1.cc:  Cleanup.
	* testsuite/22_locale/codecvt/max_length/wchar_t/2.cc:  New test.
	* testsuite/22_locale/codecvt/max_length/wchar_t/3.cc:  New test.
	* testsuite/22_locale/codecvt/max_length/wchar_t/4.cc:  New test.
	* testsuite/22_locale/codecvt/out/wchar_t/1.cc:  Cleanup.
	* testsuite/22_locale/codecvt/out/wchar_t/2.cc:  New test.
	* testsuite/22_locale/codecvt/out/wchar_t/3.cc:  New test.
	* testsuite/22_locale/codecvt/out/wchar_t/4.cc:  New test.
	* testsuite/22_locale/codecvt/out/wchar_t/5.cc:  New test.
	* testsuite/22_locale/codecvt/out/wchar_t/6.cc:  New test.
	* testsuite/22_locale/codecvt/out/wchar_t/7.cc:  New test.
	* testsuite/22_locale/codecvt/unicode/1.cc:  New test.
	* testsuite/22_locale/codecvt/unshift/wchar_t/1.cc:  Cleanup.
	* testsuite/22_locale/codecvt/unshift/wchar_t/2.cc:  New test.
	* testsuite/22_locale/codecvt/unshift/wchar_t/3.cc:  New test.
	* testsuite/22_locale/codecvt/unshfit/wchar_t/4.cc:  New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@62474 138bc75d-0d04-0410-961f-82ee72b054a4

42 files changed, 3086 insertions, 166 deletions

diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/1.cc b/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/1.cc
index fb267410804..25d66af0d68 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/1.cc
@@ -23,49 +23,17 @@
 #include <locale>
 #include <testsuite_hooks.h>
 
-// Need to explicitly set the state(mbstate_t) to zero.
-// How to do this is not specified by the ISO C99 standard, so we
-// might need to add some operators to make the intuiative case
-// work:
-//   w_codecvt::state_type state00;
-//   state00 = 0;  
-// or, can use this explicit "C" initialization:
-//   w_codecvt::state_type state01 = {0, 0};
-// .. except Ulrich says: Use memset. Always use memset. Feel the force...
-void
-zero_state(std::mbstate_t& state)
-{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
-
 // Required instantiation
 // codecvt<wchar_t, char, mbstate_t>
 void test01()
 {
   using namespace std;
   typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
-  typedef codecvt_base::result			result;
-  typedef wchar_t				int_type;
-  typedef char					ext_type;
-  typedef char_traits<wchar_t>			int_traits;
-  typedef char_traits<char>			ext_traits;
-
-  bool 			test = true;
-  const ext_type* 	e_lit = "black pearl jasmine tea";
-  const ext_type*       efrom_next;
-  const int_type* 	i_lit = L"black pearl jasmine tea";
-  const int_type*       ifrom_next;
-  int 			size = strlen(e_lit);
-  ext_type* 		e_arr = new ext_type[size + 1];
-  ext_type*		eto_next;
-  int_type* 		i_arr = new int_type[size + 1];
-  int_type*		ito_next;
 
   locale 		loc;
   const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
 
   VERIFY( !cvt->always_noconv() );
-
-  delete [] e_arr;
-  delete [] i_arr;
 }
 
 int main ()
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/2.cc
new file mode 100644
index 00000000000..19e73985f19
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/2.cc
@@ -0,0 +1,46 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+//
+// Baseline test in ISO-8859-1 locale
+void test02()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+
+  locale 		loc ("en_US.ISO-8859-1");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  VERIFY( !cvt->always_noconv() );
+}
+
+int main ()
+{
+  test02();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/3.cc b/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/3.cc
new file mode 100644
index 00000000000..8681276f6b1
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/3.cc
@@ -0,0 +1,46 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+//
+// Baseline test in ISO-8859-15 locale
+void test03()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+
+  locale 		loc ("en_US.ISO-8859-15");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  VERIFY( !cvt->always_noconv() );
+}
+
+int main ()
+{
+  test03();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/4.cc b/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/4.cc
new file mode 100644
index 00000000000..36bc3a183bd
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/4.cc
@@ -0,0 +1,46 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+//
+// Baseline test in UTF-8 locale
+void test04()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+
+  locale 		loc ("en_US.UTF-8");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  VERIFY( !cvt->always_noconv() );
+}
+
+int main ()
+{
+  test04();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/1.cc b/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/1.cc
index 0aefff30397..d2fa938e892 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/1.cc
@@ -23,50 +23,19 @@
 #include <locale>
 #include <testsuite_hooks.h>
 
-// Need to explicitly set the state(mbstate_t) to zero.
-// How to do this is not specified by the ISO C99 standard, so we
-// might need to add some operators to make the intuiative case
-// work:
-//   w_codecvt::state_type state00;
-//   state00 = 0;  
-// or, can use this explicit "C" initialization:
-//   w_codecvt::state_type state01 = {0, 0};
-// .. except Ulrich says: Use memset. Always use memset. Feel the force...
-void
-zero_state(std::mbstate_t& state)
-{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
-
 // Required instantiation
 // codecvt<wchar_t, char, mbstate_t>
 void test01()
 {
   using namespace std;
   typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
-  typedef codecvt_base::result			result;
-  typedef wchar_t				int_type;
-  typedef char					ext_type;
-  typedef char_traits<wchar_t>			int_traits;
-  typedef char_traits<char>			ext_traits;
-
   bool 			test = true;
-  const ext_type* 	e_lit = "black pearl jasmine tea";
-  const ext_type*       efrom_next;
-  const int_type* 	i_lit = L"black pearl jasmine tea";
-  const int_type*       ifrom_next;
-  int 			size = strlen(e_lit);
-  ext_type* 		e_arr = new ext_type[size + 1];
-  ext_type*		eto_next;
-  int_type* 		i_arr = new int_type[size + 1];
-  int_type*		ito_next;
 
-  locale 		loc;
-  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+  locale 		loc_c = locale::classic();
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc_c); 
 
   int i = cvt->encoding();
-  VERIFY( i == 4 ); // Target-dependent.
-
-  delete [] e_arr;
-  delete [] i_arr;
+  VERIFY( i == 1 ); // Depends both on target and locale.
 }
 
 int main ()
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/2.cc
new file mode 100644
index 00000000000..9c7f5d040e6
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/2.cc
@@ -0,0 +1,48 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+//
+// Test do_encoding with ISO-8859-1 locale.
+void test02()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  bool 			test = true;
+
+  locale 		loc ("en_US.ISO-8859-1");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  int i = cvt->encoding();
+  VERIFY( i == 1 ); // ISO-8859-1 is a single-byte encoding
+}
+
+int main ()
+{
+  test02();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/3.cc b/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/3.cc
new file mode 100644
index 00000000000..98a8961113e
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/3.cc
@@ -0,0 +1,48 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+//
+// Test do_encoding with ISO-8859-15 locale.
+void test03()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  bool 			test = true;
+
+  locale 		loc ("en_US.ISO-8859-15");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  int i = cvt->encoding();
+  VERIFY( i == 1 ); // ISO-8859-15 is a single-byte encoding
+}
+
+int main ()
+{
+  test03();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/4.cc b/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/4.cc
new file mode 100644
index 00000000000..f2ada106694
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/4.cc
@@ -0,0 +1,48 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+//
+// Test do_encoding with UTF-8 locale.
+void test04()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  bool 			test = true;
+
+  locale 		loc ("en_US.UTF-8");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  int i = cvt->encoding();
+  VERIFY( i == 0 ); // UTF-8 is a stateless multibyte encoding
+}
+
+int main ()
+{
+  test04();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/1.cc b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/1.cc
index 7340d418209..d5a410a7741 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/1.cc
@@ -38,6 +38,8 @@ zero_state(std::mbstate_t& state)
 
 // Required instantiation
 // codecvt<wchar_t, char, mbstate_t>
+//
+// Baseline test for "C" locale
 void test01()
 {
   using namespace std;
@@ -46,17 +48,16 @@ void test01()
   typedef wchar_t				int_type;
   typedef char					ext_type;
   typedef char_traits<wchar_t>			int_traits;
-  typedef char_traits<char>			ext_traits;
 
   bool 			test = true;
   const ext_type* 	e_lit = "black pearl jasmine tea";
   const ext_type*       efrom_next;
   const int_type* 	i_lit = L"black pearl jasmine tea";
-  const int_type*       ifrom_next;
   int 			size = strlen(e_lit);
-  ext_type* 		e_arr = new ext_type[size + 1];
-  ext_type*		eto_next;
   int_type* 		i_arr = new int_type[size + 1];
+  int_type* 		i_ref = new int_type[size + 1];
+  wmemset(i_arr, 0xdeadbeef, size + 1);
+  wmemset(i_ref, 0xdeadbeef, size + 1);
   int_type*		ito_next;
 
   locale 		loc;
@@ -68,12 +69,13 @@ void test01()
   result r1 = cvt->in(state01, e_lit, e_lit + size, efrom_next, 
 		      i_arr, i_arr + size, ito_next);
   VERIFY( r1 == codecvt_base::ok );
-  VERIFY( !int_traits::compare(i_arr, i_lit, size) ); 
   VERIFY( efrom_next == e_lit + size );
   VERIFY( ito_next == i_arr + size );
+  VERIFY( !int_traits::compare(i_arr, i_lit, size) ); 
+  VERIFY( !int_traits::compare(ito_next, i_ref, 1) );
 
-  delete [] e_arr;
   delete [] i_arr;
+  delete [] i_ref;
 }
 
 int main ()
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/2.cc
new file mode 100644
index 00000000000..d9e55ef3858
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/2.cc
@@ -0,0 +1,114 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Need to explicitly set the state(mbstate_t) to zero.
+// How to do this is not specified by the ISO C99 standard, so we
+// might need to add some operators to make the intuiative case
+// work:
+//   w_codecvt::state_type state00;
+//   state00 = 0;  
+// or, can use this explicit "C" initialization:
+//   w_codecvt::state_type state01 = {0, 0};
+// .. except Ulrich says: Use memset. Always use memset. Feel the force...
+void
+zero_state(std::mbstate_t& state)
+{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+//
+// Baseline test for ISO-8859-1. Converts entire charset.
+void test02()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  typedef codecvt_base::result			result;
+  typedef wchar_t				int_type;
+  typedef char					ext_type;
+  typedef char_traits<wchar_t>			int_traits;
+
+  bool 			test = true;
+  const ext_type* 	e_lit =
+    "\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13"
+    "\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20!\"#$%&"
+    "'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`"
+    "abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86"
+    "\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95"
+    "\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4"
+    "\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3"
+    "\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2"
+    "\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1"
+    "\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0"
+    "\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef"
+    "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe"
+    "\xff";
+
+  const ext_type*       efrom_next;
+  const int_type* 	i_lit =
+    L"\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13"
+    L"\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20!\"#$%&"
+    L"'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`"
+    L"abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86"
+    L"\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95"
+    L"\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4"
+    L"\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3"
+    L"\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2"
+    L"\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1"
+    L"\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0"
+    L"\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef"
+    L"\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe"
+    L"\xff";
+
+  int 			size = strlen(e_lit);
+  int_type* 		i_arr = new int_type[size + 1];
+  int_type* 		i_ref = new int_type[size + 1];
+  wmemset(i_arr, 0xdeadbeef, size + 1);
+  wmemset(i_ref, 0xdeadbeef, size + 1);
+  int_type*		ito_next;
+
+  locale 		loc ("en_US.ISO-8859-1");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  // in
+  w_codecvt::state_type state01;
+  zero_state(state01);
+  result r1 = cvt->in(state01, e_lit, e_lit + size, efrom_next, 
+		      i_arr, i_arr + size, ito_next);
+  VERIFY( r1 == codecvt_base::ok );
+  VERIFY( efrom_next == e_lit + size );
+  VERIFY( ito_next == i_arr + size );
+  VERIFY( !int_traits::compare(i_arr, i_lit, size) ); 
+  VERIFY( !int_traits::compare(ito_next, i_ref, 1) );
+
+  delete [] i_arr;
+  delete [] i_ref;
+}
+
+int main ()
+{
+  test02();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/3.cc b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/3.cc
new file mode 100644
index 00000000000..152e7e9fe4f
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/3.cc
@@ -0,0 +1,128 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Need to explicitly set the state(mbstate_t) to zero.
+// How to do this is not specified by the ISO C99 standard, so we
+// might need to add some operators to make the intuiative case
+// work:
+//   w_codecvt::state_type state00;
+//   state00 = 0;  
+// or, can use this explicit "C" initialization:
+//   w_codecvt::state_type state01 = {0, 0};
+// .. except Ulrich says: Use memset. Always use memset. Feel the force...
+void
+zero_state(std::mbstate_t& state)
+{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+//
+// Baseline test for ISO-8859-15. Converts entire charset.
+void test03()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  typedef codecvt_base::result			result;
+  typedef wchar_t				int_type;
+  typedef char					ext_type;
+  typedef char_traits<wchar_t>			int_traits;
+
+  bool 			test = true;
+  const ext_type* 	e_lit =
+    "\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13"
+    "\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20!\"#$%&"
+    "'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`"
+    "abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86"
+    "\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95"
+    "\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4"
+    "\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3"
+    "\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2"
+    "\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1"
+    "\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0"
+    "\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef"
+    "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe"
+    "\xff";
+
+  const ext_type*       efrom_next;
+  const int_type 	i_lit[] = {
+    0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0xc,
+    0xd, 0xe, 0xf, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+    0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, L'!',
+    L'"', L'#', L'$', L'%', L'&', L'\'', L'(', L')', L'*', L'+',
+    L',', L'-', L'.', L'/', L'0', L'1', L'2', L'3', L'4', L'5',
+    L'6', L'7', L'8', L'9', L':', L';', L'<', L'=', L'>', L'?',
+    L'@', L'A', L'B', L'C', L'D', L'E', L'F', L'G', L'H', L'I',
+    L'J', L'K', L'L', L'M', L'N', L'O', L'P', L'Q', L'R', L'S',
+    L'T', L'U', L'V', L'W', L'X', L'Y', L'Z', L'[', L'\\', L']',
+    L'^', L'_', L'`', L'a', L'b', L'c', L'd', L'e', L'f', L'g',
+    L'h', L'i', L'j', L'k', L'l', L'm', L'n', L'o', L'p', L'q',
+    L'r', L's', L't', L'u', L'v', L'w', L'x', L'y', L'z', L'{',
+    L'|', L'}', L'~', 0x7f, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85,
+    0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
+    0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99,
+    0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa3,
+    0x20ac, 0xa5, 0x160, 0xa7, 0x161, 0xa9, 0xaa, 0xab, 0xac, 0xad,
+    0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, 0x17d, 0xb5, 0xb6, 0xb7,
+    0x17e, 0xb9, 0xba, 0xbb, 0x152, 0x153, 0x178, 0xbf, 0xc0, 0xc1,
+    0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb,
+    0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5,
+    0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
+    0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
+    0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3,
+    0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd,
+    0xfe, 0xff, 0x0
+  };
+
+  int 			size = strlen(e_lit);
+  int_type* 		i_arr = new int_type[size + 1];
+  int_type* 		i_ref = new int_type[size + 1];
+  wmemset(i_arr, 0xdeadbeef, size + 1);
+  wmemset(i_ref, 0xdeadbeef, size + 1);
+  int_type*		ito_next;
+
+  locale 		loc ("en_US.ISO-8859-15");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  // in
+  w_codecvt::state_type state01;
+  zero_state(state01);
+  result r1 = cvt->in(state01, e_lit, e_lit + size, efrom_next, 
+		      i_arr, i_arr + size, ito_next);
+  VERIFY( r1 == codecvt_base::ok );
+  VERIFY( efrom_next == e_lit + size );
+  VERIFY( ito_next == i_arr + size );
+  VERIFY( !int_traits::compare(i_arr, i_lit, size) ); 
+  VERIFY( !int_traits::compare(ito_next, i_ref, 1) );
+
+  delete [] i_arr;
+  delete [] i_ref;
+}
+
+int main ()
+{
+  test03();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/4.cc b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/4.cc
new file mode 100644
index 00000000000..c916a16b6c9
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/4.cc
@@ -0,0 +1,136 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Need to explicitly set the state(mbstate_t) to zero.
+// How to do this is not specified by the ISO C99 standard, so we
+// might need to add some operators to make the intuiative case
+// work:
+//   w_codecvt::state_type state00;
+//   state00 = 0;  
+// or, can use this explicit "C" initialization:
+//   w_codecvt::state_type state01 = {0, 0};
+// .. except Ulrich says: Use memset. Always use memset. Feel the force...
+void
+zero_state(std::mbstate_t& state)
+{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+//
+// Baseline test for UTF-8. Converts a selection of characters into
+// an array that is known to be of the exact needed size.
+void test04()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  typedef codecvt_base::result			result;
+  typedef wchar_t				int_type;
+  typedef char					ext_type;
+  typedef char_traits<wchar_t>			int_traits;
+
+  bool 			test = true;
+  const ext_type* 	e_lit =
+    "\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13"
+    "\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20!\"#$%&"
+    "'()*+,-./0123456789:;<=>?@}~\x7f\xc2\x80\xc2\x81\xc2\x82\xc2"
+    "\x83\xc2\x84\xc2\x85\xc2\x86\xc2\x87\xc2\x88\xc2\x89\xc2\x8a"
+    "\xc2\x8b\xc2\x8c\xc2\x8d\xc2\x8e\xc2\x8f\xc2\x90\xc2\x91\xc2"
+    "\x92\xc2\x93\xc2\x94\xc2\x95\xc2\x96\xc2\x97\xc2\x98\xc2\x99"
+    "\xc2\x9a\xc2\x9b\xc2\x9c\xc3\xba\xc3\xbb\xc3\xbc\xc3\xbd\xc3"
+    "\xbe\xc3\xbf\xc4\x80\xc4\x81\xc4\x82\xc4\x83\xc4\x84\xc4\x85"
+    "\xc4\x86\xc4\x87\xc4\x88\xc4\x89\xc4\x8a\xc4\x8b\xc4\x8c\xc4"
+    "\x8d\xc4\x8e\xc4\x8f\xc4\x90\xc4\x91\xc4\x92\xc4\x93\xc4\x94"
+    "\xc4\x95\xc4\x96\xc4\x97\xc4\x98\xc4\x99\xdf\xb8\xdf\xb9\xdf"
+    "\xba\xdf\xbb\xdf\xbc\xdf\xbd\xdf\xbe\xdf\xbf\xe0\xa0\x80\xe0"
+    "\xa0\x81\xe0\xa0\x82\xe0\xa0\x83\xe0\xa0\x84\xe0\xa0\x85\xe0"
+    "\xa0\x86\xe0\xa0\x87\xe0\xa0\x88\xe0\xa0\x89\xe0\xa0\x8a\xe0"
+    "\xa0\x8b\xe0\xa0\x8c\xe0\xa0\x8d\xe0\xa0\x8e\xe0\xa0\x8f\xe0"
+    "\xa0\x90\xe0\xa0\x91\xe0\xa0\x92\xe0\xa0\x93\xe0\xa0\x94\xe0"
+    "\xa0\x95\xe0\xa0\x96\xe0\xa0\x97\x1\x2\x4\x8\x10\x20@\xc2\x80"
+    "\xc4\x80\xc8\x80\xd0\x80\xe0\xa0\x80\xe1\x80\x80\xe2\x80\x80"
+    "\xe4\x80\x80\xe8\x80\x80\xf0\x90\x80\x80\xf0\xa0\x80\x80\xf1"
+    "\x80\x80\x80\xf2\x80\x80\x80\xf4\x80\x80\x80\xf8\x88\x80\x80"
+    "\x80\xf8\x90\x80\x80\x80\xf8\xa0\x80\x80\x80\xf9\x80\x80\x80"
+    "\x80\xfa\x80\x80\x80\x80\xfc\x84\x80\x80\x80\x80\xfc\x88\x80"
+    "\x80\x80\x80\xfc\x90\x80\x80\x80\x80\xfc\xa0\x80\x80\x80\x80"
+    "\xfd\x80\x80\x80\x80\x80";
+
+  const ext_type*       efrom_next;
+  const int_type 	i_lit[] = {
+    0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0xc,
+    0xd, 0xe, 0xf, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+    0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, L'!',
+    L'"', L'#', L'$', L'%', L'&', L'\'', L'(', L')', L'*', L'+',
+    L',', L'-', L'.', L'/', L'0', L'1', L'2', L'3', L'4', L'5',
+    L'6', L'7', L'8', L'9', L':', L';', L'<', L'=', L'>', L'?',
+    L'@', L'}', L'~', 0x7f, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85,
+    0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
+    0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99,
+    0x9a, 0x9b, 0x9c, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, 0x100,
+    0x101, 0x102, 0x103, 0x104, 0x105, 0x106, 0x107, 0x108, 0x109,
+    0x10a, 0x10b, 0x10c, 0x10d, 0x10e, 0x10f, 0x110, 0x111, 0x112,
+    0x113, 0x114, 0x115, 0x116, 0x117, 0x118, 0x119, 0x7f8, 0x7f9,
+    0x7fa, 0x7fb, 0x7fc, 0x7fd, 0x7fe, 0x7ff, 0x800, 0x801, 0x802,
+    0x803, 0x804, 0x805, 0x806, 0x807, 0x808, 0x809, 0x80a, 0x80b,
+    0x80c, 0x80d, 0x80e, 0x80f, 0x810, 0x811, 0x812, 0x813, 0x814,
+    0x815, 0x816, 0x817, 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, L'@',
+    0x80, 0x100, 0x200, 0x400, 0x800, 0x1000, 0x2000, 0x4000, 0x8000,
+    0x10000, 0x20000, 0x40000, 0x80000, 0x100000, 0x200000, 0x400000,
+    0x800000, 0x1000000, 0x2000000, 0x4000000, 0x8000000, 0x10000000,
+    0x20000000, 0x40000000, 0x0
+  };
+
+  int 			esize = strlen(e_lit);
+  int 			isize = wcslen(i_lit);
+  int_type* 		i_arr = new int_type[esize + 1];
+  int_type* 		i_ref = new int_type[esize + 1];
+  wmemset(i_arr, 0xdeadbeef, esize + 1);
+  wmemset(i_ref, 0xdeadbeef, esize + 1);
+  int_type*		ito_next;
+
+  locale 		loc ("en_US.UTF-8");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  // in
+  w_codecvt::state_type state01;
+  zero_state(state01);
+  result r1 = cvt->in(state01, e_lit, e_lit + esize, efrom_next, 
+		      i_arr, i_arr + isize, ito_next);
+  VERIFY( r1 == codecvt_base::ok );
+  VERIFY( efrom_next == e_lit + esize );
+  VERIFY( ito_next == i_arr + isize );
+  VERIFY( !int_traits::compare(i_arr, i_lit, isize) ); 
+  VERIFY( !int_traits::compare(ito_next, i_ref, esize + 1 - isize) );
+
+  delete [] i_arr;
+  delete [] i_ref;
+}
+
+int main ()
+{
+  test04();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/5.cc b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/5.cc
new file mode 100644
index 00000000000..ec65f60c692
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/5.cc
@@ -0,0 +1,86 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Need to explicitly set the state(mbstate_t) to zero.
+// How to do this is not specified by the ISO C99 standard, so we
+// might need to add some operators to make the intuiative case
+// work:
+//   w_codecvt::state_type state00;
+//   state00 = 0;  
+// or, can use this explicit "C" initialization:
+//   w_codecvt::state_type state01 = {0, 0};
+// .. except Ulrich says: Use memset. Always use memset. Feel the force...
+void
+zero_state(std::mbstate_t& state)
+{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+//
+// Test handling of '\0' characters in input
+// libstdc++/9246
+void test05()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  typedef codecvt_base::result			result;
+  typedef wchar_t				int_type;
+  typedef char					ext_type;
+  typedef char_traits<wchar_t>			int_traits;
+
+  bool 			test = true;
+  const ext_type 	e_lit[] = { '\0', '\0', 'f', '\0' };
+  const ext_type*       efrom_next;
+  const int_type 	i_lit[] = { L'\0', L'\0', L'f', L'\0' };
+  int 			size = sizeof(e_lit);
+  int_type* 		i_arr = new int_type[size + 1];
+  int_type* 		i_ref = new int_type[size + 1];
+  wmemset(i_arr, 0xdeadbeef, size + 1);
+  wmemset(i_ref, 0xdeadbeef, size + 1);
+  int_type*		ito_next;
+
+  locale 		loc;
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  // in
+  w_codecvt::state_type state01;
+  zero_state(state01);
+  result r1 = cvt->in(state01, e_lit, e_lit + size, efrom_next, 
+		      i_arr, i_arr + size, ito_next);
+  VERIFY( r1 == codecvt_base::ok );
+  VERIFY( efrom_next == e_lit + size );
+  VERIFY( ito_next == i_arr + size );
+  VERIFY( !int_traits::compare(i_arr, i_lit, size) ); 
+  VERIFY( !int_traits::compare(ito_next, i_ref, 1) );
+
+  delete [] i_arr;
+  delete [] i_ref;
+}
+
+int main ()
+{
+  test05();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/6.cc b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/6.cc
new file mode 100644
index 00000000000..1be30323b8b
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/6.cc
@@ -0,0 +1,86 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Need to explicitly set the state(mbstate_t) to zero.
+// How to do this is not specified by the ISO C99 standard, so we
+// might need to add some operators to make the intuiative case
+// work:
+//   w_codecvt::state_type state00;
+//   state00 = 0;  
+// or, can use this explicit "C" initialization:
+//   w_codecvt::state_type state01 = {0, 0};
+// .. except Ulrich says: Use memset. Always use memset. Feel the force...
+void
+zero_state(std::mbstate_t& state)
+{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+//
+// Test handling of output buffer that is too small.
+// libstdc++/9247
+void test06()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  typedef codecvt_base::result			result;
+  typedef wchar_t				int_type;
+  typedef char					ext_type;
+  typedef char_traits<wchar_t>			int_traits;
+
+  bool 			test = true;
+  const ext_type* 	e_lit = "black pearl jasmine tea";
+  const ext_type*       efrom_next;
+  const int_type* 	i_lit = L"black pearl jasmine tea";
+  int 			size = strlen(e_lit);
+  int_type* 		i_arr = new int_type[size + 1];
+  int_type* 		i_ref = new int_type[size + 1];
+  wmemset(i_arr, 0xdeadbeef, size + 1);
+  wmemset(i_ref, 0xdeadbeef, size + 1);
+  int_type*		ito_next;
+
+  locale 		loc;
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  // in
+  w_codecvt::state_type state01;
+  zero_state(state01);
+  result r1 = cvt->in(state01, e_lit, e_lit + size, efrom_next, 
+		      i_arr, i_arr + 1, ito_next);
+  VERIFY( r1 == codecvt_base::partial );
+  VERIFY( efrom_next == e_lit + 1 );
+  VERIFY( ito_next == i_arr + 1 );
+  VERIFY( !int_traits::compare(i_arr, i_lit, 1) );
+  VERIFY( !int_traits::compare(ito_next, i_ref, size) );
+
+  delete [] i_arr;
+  delete [] i_ref;
+}
+
+int main ()
+{
+  test06();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/7.cc b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/7.cc
new file mode 100644
index 00000000000..f692e9cee6e
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/7.cc
@@ -0,0 +1,86 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Need to explicitly set the state(mbstate_t) to zero.
+// How to do this is not specified by the ISO C99 standard, so we
+// might need to add some operators to make the intuiative case
+// work:
+//   w_codecvt::state_type state00;
+//   state00 = 0;  
+// or, can use this explicit "C" initialization:
+//   w_codecvt::state_type state01 = {0, 0};
+// .. except Ulrich says: Use memset. Always use memset. Feel the force...
+void
+zero_state(std::mbstate_t& state)
+{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+//
+// Test handling of illegal input sequence in UTF-8.
+void test07()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  typedef codecvt_base::result			result;
+  typedef wchar_t				int_type;
+  typedef char					ext_type;
+  typedef char_traits<wchar_t>			int_traits;
+
+  bool 			test = true;
+  const ext_type* 	e_lit = "a\xc0\xff";
+  const ext_type*       efrom_next;
+  const int_type* 	i_lit = L"a";
+  int 			size = strlen(e_lit);
+  int_type* 		i_arr = new int_type[size + 1];
+  int_type* 		i_ref = new int_type[size + 1];
+  wmemset(i_arr, 0xdeadbeef, size + 1);
+  wmemset(i_ref, 0xdeadbeef, size + 1);
+  int_type*		ito_next;
+
+  locale 		loc ("en_US.UTF-8");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  // in
+  w_codecvt::state_type state01;
+  zero_state(state01);
+  result r1 = cvt->in(state01, e_lit, e_lit + size, efrom_next, 
+		      i_arr, i_arr + size, ito_next);
+  VERIFY( r1 == codecvt_base::error );
+  VERIFY( efrom_next == e_lit + 1 );
+  VERIFY( ito_next == i_arr + 1 );
+  VERIFY( !int_traits::compare(i_arr, i_lit, 1) );
+  VERIFY( !int_traits::compare(ito_next, i_ref, size) );
+
+  delete [] i_arr;
+  delete [] i_ref;
+}
+
+int main ()
+{
+  test07();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/8.cc b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/8.cc
new file mode 100644
index 00000000000..28b1fa04f80
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/8.cc
@@ -0,0 +1,135 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Need to explicitly set the state(mbstate_t) to zero.
+// How to do this is not specified by the ISO C99 standard, so we
+// might need to add some operators to make the intuiative case
+// work:
+//   w_codecvt::state_type state00;
+//   state00 = 0;  
+// or, can use this explicit "C" initialization:
+//   w_codecvt::state_type state01 = {0, 0};
+// .. except Ulrich says: Use memset. Always use memset. Feel the force...
+void
+zero_state(std::mbstate_t& state)
+{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+//
+// Test UTF-8 with output buffer larger than needed.
+void test08()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  typedef codecvt_base::result			result;
+  typedef wchar_t				int_type;
+  typedef char					ext_type;
+  typedef char_traits<wchar_t>			int_traits;
+
+  bool 			test = true;
+  const ext_type* 	e_lit =
+    "\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13"
+    "\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20!\"#$%&"
+    "'()*+,-./0123456789:;<=>?@}~\x7f\xc2\x80\xc2\x81\xc2\x82\xc2"
+    "\x83\xc2\x84\xc2\x85\xc2\x86\xc2\x87\xc2\x88\xc2\x89\xc2\x8a"
+    "\xc2\x8b\xc2\x8c\xc2\x8d\xc2\x8e\xc2\x8f\xc2\x90\xc2\x91\xc2"
+    "\x92\xc2\x93\xc2\x94\xc2\x95\xc2\x96\xc2\x97\xc2\x98\xc2\x99"
+    "\xc2\x9a\xc2\x9b\xc2\x9c\xc3\xba\xc3\xbb\xc3\xbc\xc3\xbd\xc3"
+    "\xbe\xc3\xbf\xc4\x80\xc4\x81\xc4\x82\xc4\x83\xc4\x84\xc4\x85"
+    "\xc4\x86\xc4\x87\xc4\x88\xc4\x89\xc4\x8a\xc4\x8b\xc4\x8c\xc4"
+    "\x8d\xc4\x8e\xc4\x8f\xc4\x90\xc4\x91\xc4\x92\xc4\x93\xc4\x94"
+    "\xc4\x95\xc4\x96\xc4\x97\xc4\x98\xc4\x99\xdf\xb8\xdf\xb9\xdf"
+    "\xba\xdf\xbb\xdf\xbc\xdf\xbd\xdf\xbe\xdf\xbf\xe0\xa0\x80\xe0"
+    "\xa0\x81\xe0\xa0\x82\xe0\xa0\x83\xe0\xa0\x84\xe0\xa0\x85\xe0"
+    "\xa0\x86\xe0\xa0\x87\xe0\xa0\x88\xe0\xa0\x89\xe0\xa0\x8a\xe0"
+    "\xa0\x8b\xe0\xa0\x8c\xe0\xa0\x8d\xe0\xa0\x8e\xe0\xa0\x8f\xe0"
+    "\xa0\x90\xe0\xa0\x91\xe0\xa0\x92\xe0\xa0\x93\xe0\xa0\x94\xe0"
+    "\xa0\x95\xe0\xa0\x96\xe0\xa0\x97\x1\x2\x4\x8\x10\x20@\xc2\x80"
+    "\xc4\x80\xc8\x80\xd0\x80\xe0\xa0\x80\xe1\x80\x80\xe2\x80\x80"
+    "\xe4\x80\x80\xe8\x80\x80\xf0\x90\x80\x80\xf0\xa0\x80\x80\xf1"
+    "\x80\x80\x80\xf2\x80\x80\x80\xf4\x80\x80\x80\xf8\x88\x80\x80"
+    "\x80\xf8\x90\x80\x80\x80\xf8\xa0\x80\x80\x80\xf9\x80\x80\x80"
+    "\x80\xfa\x80\x80\x80\x80\xfc\x84\x80\x80\x80\x80\xfc\x88\x80"
+    "\x80\x80\x80\xfc\x90\x80\x80\x80\x80\xfc\xa0\x80\x80\x80\x80"
+    "\xfd\x80\x80\x80\x80\x80";
+
+  const ext_type*       efrom_next;
+  const int_type 	i_lit[] = {
+    0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0xc,
+    0xd, 0xe, 0xf, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+    0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, L'!',
+    L'"', L'#', L'$', L'%', L'&', L'\'', L'(', L')', L'*', L'+',
+    L',', L'-', L'.', L'/', L'0', L'1', L'2', L'3', L'4', L'5',
+    L'6', L'7', L'8', L'9', L':', L';', L'<', L'=', L'>', L'?',
+    L'@', L'}', L'~', 0x7f, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85,
+    0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
+    0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99,
+    0x9a, 0x9b, 0x9c, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, 0x100,
+    0x101, 0x102, 0x103, 0x104, 0x105, 0x106, 0x107, 0x108, 0x109,
+    0x10a, 0x10b, 0x10c, 0x10d, 0x10e, 0x10f, 0x110, 0x111, 0x112,
+    0x113, 0x114, 0x115, 0x116, 0x117, 0x118, 0x119, 0x7f8, 0x7f9,
+    0x7fa, 0x7fb, 0x7fc, 0x7fd, 0x7fe, 0x7ff, 0x800, 0x801, 0x802,
+    0x803, 0x804, 0x805, 0x806, 0x807, 0x808, 0x809, 0x80a, 0x80b,
+    0x80c, 0x80d, 0x80e, 0x80f, 0x810, 0x811, 0x812, 0x813, 0x814,
+    0x815, 0x816, 0x817, 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, L'@',
+    0x80, 0x100, 0x200, 0x400, 0x800, 0x1000, 0x2000, 0x4000, 0x8000,
+    0x10000, 0x20000, 0x40000, 0x80000, 0x100000, 0x200000, 0x400000,
+    0x800000, 0x1000000, 0x2000000, 0x4000000, 0x8000000, 0x10000000,
+    0x20000000, 0x40000000, 0x0
+  };
+
+  int 			esize = strlen(e_lit);
+  int 			isize = wcslen(i_lit);
+  int_type* 		i_arr = new int_type[esize + 1];
+  int_type* 		i_ref = new int_type[esize + 1];
+  wmemset(i_arr, 0xdeadbeef, esize + 1);
+  wmemset(i_ref, 0xdeadbeef, esize + 1);
+  int_type*		ito_next;
+
+  locale 		loc ("en_US.UTF-8");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  // in
+  w_codecvt::state_type state01;
+  zero_state(state01);
+  result r1 = cvt->in(state01, e_lit, e_lit + esize, efrom_next, 
+		      i_arr, i_arr + esize, ito_next);
+  VERIFY( r1 == codecvt_base::ok );
+  VERIFY( efrom_next == e_lit + esize );
+  VERIFY( ito_next == i_arr + isize );
+  VERIFY( !int_traits::compare(i_arr, i_lit, isize) );
+  VERIFY( !int_traits::compare(ito_next, i_ref, esize + 1 - isize) );
+
+  delete [] i_arr;
+  delete [] i_ref;
+}
+
+int main ()
+{
+  test08();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/9.cc b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/9.cc
new file mode 100644
index 00000000000..0ddebc771a9
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/9.cc
@@ -0,0 +1,158 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Need to explicitly set the state(mbstate_t) to zero.
+// How to do this is not specified by the ISO C99 standard, so we
+// might need to add some operators to make the intuiative case
+// work:
+//   w_codecvt::state_type state00;
+//   state00 = 0;  
+// or, can use this explicit "C" initialization:
+//   w_codecvt::state_type state01 = {0, 0};
+// .. except Ulrich says: Use memset. Always use memset. Feel the force...
+void
+zero_state(std::mbstate_t& state)
+{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+//
+// Test one source character at a time for UTF-8
+void test09()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  typedef codecvt_base::result			result;
+  typedef wchar_t				int_type;
+  typedef char					ext_type;
+  typedef char_traits<wchar_t>			int_traits;
+
+  bool 			test = true;
+  const ext_type* 	e_lit =
+    "\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13"
+    "\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20!\"#$%&"
+    "'()*+,-./0123456789:;<=>?@}~\x7f\xc2\x80\xc2\x81\xc2\x82\xc2"
+    "\x83\xc2\x84\xc2\x85\xc2\x86\xc2\x87\xc2\x88\xc2\x89\xc2\x8a"
+    "\xc2\x8b\xc2\x8c\xc2\x8d\xc2\x8e\xc2\x8f\xc2\x90\xc2\x91\xc2"
+    "\x92\xc2\x93\xc2\x94\xc2\x95\xc2\x96\xc2\x97\xc2\x98\xc2\x99"
+    "\xc2\x9a\xc2\x9b\xc2\x9c\xc3\xba\xc3\xbb\xc3\xbc\xc3\xbd\xc3"
+    "\xbe\xc3\xbf\xc4\x80\xc4\x81\xc4\x82\xc4\x83\xc4\x84\xc4\x85"
+    "\xc4\x86\xc4\x87\xc4\x88\xc4\x89\xc4\x8a\xc4\x8b\xc4\x8c\xc4"
+    "\x8d\xc4\x8e\xc4\x8f\xc4\x90\xc4\x91\xc4\x92\xc4\x93\xc4\x94"
+    "\xc4\x95\xc4\x96\xc4\x97\xc4\x98\xc4\x99\xdf\xb8\xdf\xb9\xdf"
+    "\xba\xdf\xbb\xdf\xbc\xdf\xbd\xdf\xbe\xdf\xbf\xe0\xa0\x80\xe0"
+    "\xa0\x81\xe0\xa0\x82\xe0\xa0\x83\xe0\xa0\x84\xe0\xa0\x85\xe0"
+    "\xa0\x86\xe0\xa0\x87\xe0\xa0\x88\xe0\xa0\x89\xe0\xa0\x8a\xe0"
+    "\xa0\x8b\xe0\xa0\x8c\xe0\xa0\x8d\xe0\xa0\x8e\xe0\xa0\x8f\xe0"
+    "\xa0\x90\xe0\xa0\x91\xe0\xa0\x92\xe0\xa0\x93\xe0\xa0\x94\xe0"
+    "\xa0\x95\xe0\xa0\x96\xe0\xa0\x97\x1\x2\x4\x8\x10\x20@\xc2\x80"
+    "\xc4\x80\xc8\x80\xd0\x80\xe0\xa0\x80\xe1\x80\x80\xe2\x80\x80"
+    "\xe4\x80\x80\xe8\x80\x80\xf0\x90\x80\x80\xf0\xa0\x80\x80\xf1"
+    "\x80\x80\x80\xf2\x80\x80\x80\xf4\x80\x80\x80\xf8\x88\x80\x80"
+    "\x80\xf8\x90\x80\x80\x80\xf8\xa0\x80\x80\x80\xf9\x80\x80\x80"
+    "\x80\xfa\x80\x80\x80\x80\xfc\x84\x80\x80\x80\x80\xfc\x88\x80"
+    "\x80\x80\x80\xfc\x90\x80\x80\x80\x80\xfc\xa0\x80\x80\x80\x80"
+    "\xfd\x80\x80\x80\x80\x80";
+
+  const ext_type*       efrom = e_lit;
+  const ext_type*       efrom_next;
+  const int_type 	i_lit[] = {
+    0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0xc,
+    0xd, 0xe, 0xf, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+    0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, L'!',
+    L'"', L'#', L'$', L'%', L'&', L'\'', L'(', L')', L'*', L'+',
+    L',', L'-', L'.', L'/', L'0', L'1', L'2', L'3', L'4', L'5',
+    L'6', L'7', L'8', L'9', L':', L';', L'<', L'=', L'>', L'?',
+    L'@', L'}', L'~', 0x7f, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85,
+    0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
+    0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99,
+    0x9a, 0x9b, 0x9c, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, 0x100,
+    0x101, 0x102, 0x103, 0x104, 0x105, 0x106, 0x107, 0x108, 0x109,
+    0x10a, 0x10b, 0x10c, 0x10d, 0x10e, 0x10f, 0x110, 0x111, 0x112,
+    0x113, 0x114, 0x115, 0x116, 0x117, 0x118, 0x119, 0x7f8, 0x7f9,
+    0x7fa, 0x7fb, 0x7fc, 0x7fd, 0x7fe, 0x7ff, 0x800, 0x801, 0x802,
+    0x803, 0x804, 0x805, 0x806, 0x807, 0x808, 0x809, 0x80a, 0x80b,
+    0x80c, 0x80d, 0x80e, 0x80f, 0x810, 0x811, 0x812, 0x813, 0x814,
+    0x815, 0x816, 0x817, 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, L'@',
+    0x80, 0x100, 0x200, 0x400, 0x800, 0x1000, 0x2000, 0x4000, 0x8000,
+    0x10000, 0x20000, 0x40000, 0x80000, 0x100000, 0x200000, 0x400000,
+    0x800000, 0x1000000, 0x2000000, 0x4000000, 0x8000000, 0x10000000,
+    0x20000000, 0x40000000, 0x0
+  };
+
+  int 			esize = strlen(e_lit);
+  int 			isize = wcslen(i_lit);
+  int_type* 		i_arr = new int_type[esize + 1];
+  int_type* 		i_ref = new int_type[esize + 1];
+  wmemset(i_arr, 0xdeadbeef, esize + 1);
+  wmemset(i_ref, 0xdeadbeef, esize + 1);
+  int_type*		ito = i_arr;
+  int_type*		ito_next;
+
+  locale 		loc ("en_US.UTF-8");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  // in
+  w_codecvt::state_type state01;
+  zero_state(state01);
+  result r1;
+
+  for (int i = 0; i <= esize; ++i)
+    {
+      r1 = cvt->in(state01, efrom, e_lit + i, efrom_next, 
+		   ito, i_arr + esize, ito_next);
+      
+      printf("%d %d %d %x %x\n", efrom - e_lit, i, efrom_next - e_lit,
+	     efrom[-1], ito[-1]);
+
+      // It it not clear if partial should ever be returned here
+      // (see DR 382).
+      VERIFY( r1 == codecvt_base::ok || r1 == codecvt_base::partial );
+      VERIFY( efrom_next >= efrom );
+      VERIFY( efrom_next <= e_lit + i );
+      VERIFY( ito_next >= ito );
+      VERIFY( ito_next <= i_arr + isize );
+      VERIFY( !int_traits::compare(i_arr, i_lit, ito_next - i_arr) ); 
+      VERIFY( !int_traits::compare(ito_next, i_ref,
+				   i_arr + esize + 1 - ito_next) );
+
+      efrom = efrom_next;
+      ito = ito_next;
+    }
+
+  VERIFY( r1 == codecvt_base::ok );
+  VERIFY( efrom_next == e_lit + esize );
+  VERIFY( ito_next == i_arr + isize );
+
+  delete [] i_arr;
+  delete [] i_ref;
+}
+
+int main ()
+{
+  test09();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/length/char/1.cc b/libstdc++-v3/testsuite/22_locale/codecvt/length/char/1.cc
index 1ef0f267c01..3ea244dcbb0 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/length/char/1.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/length/char/1.cc
@@ -33,26 +33,14 @@ void test01()
 
   bool 			test = true;
   const char* 		c_lit = "black pearl jasmine tea";
-  const char* 	        from_next;
   int 			size = 25;
-  char* 		c_arr = new char[size];
-  char*                 c_ref = new char[size];
-  char*			to_next;
 
   locale 		loc = locale::classic();
   c_codecvt::state_type state;
   const c_codecvt* 	cvt = &use_facet<c_codecvt>(loc); 
 
-  // According to the resolution of DR19 (see also libstd++/9168), in
-  // case of degenerate conversion ('noconv'), "there are no changes to
-  // the values in [to, to_limit)."
-  memset(c_ref, 'X', size);
-
   int j = cvt->length(state, c_lit, c_lit + size, 5);
   VERIFY( j == 5 );
-
-  delete [] c_arr;
-  delete [] c_ref;
 }
 
 int main ()
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/length/char/2.cc b/libstdc++-v3/testsuite/22_locale/codecvt/length/char/2.cc
new file mode 100644
index 00000000000..6e0a7e96f2e
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/length/char/2.cc
@@ -0,0 +1,69 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+bool length_called = false;
+
+class length_codecvt : public std::codecvt<char, char, std::mbstate_t>
+{
+  typedef std::codecvt<char, char, std::mbstate_t> c_codecvt;
+
+public:
+  // DR75: type of first argument of do_length is state_type&
+  virtual int do_length(state_type& state, const extern_type* from,
+                        const extern_type* end, std::size_t max) const
+  {
+    length_called = true;
+    return c_codecvt::do_length(state, from, end, max);
+  }
+};
+
+// Required instantiation, degenerate conversion.
+// codecvt<char, char, mbstate_t>
+//
+// libstdc++/9224
+void test02()
+{
+  using namespace std;
+  typedef codecvt_base::result			result;
+  typedef codecvt<char, char, mbstate_t> 	c_codecvt;
+
+  bool 			test = true;
+  const char* 		c_lit = "black pearl jasmine tea";
+  int 			size = 25;
+
+  locale 		loc (locale::classic(), new length_codecvt);
+  c_codecvt::state_type state;
+  const c_codecvt* 	cvt = &use_facet<c_codecvt>(loc); 
+
+  length_called = false;
+  cvt->length(state, c_lit, c_lit + size, 5);
+  VERIFY( length_called );
+}
+
+int main ()
+{
+  test02();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/1.cc b/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/1.cc
index ca673240f46..100de8567fc 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/1.cc
@@ -42,22 +42,11 @@ void test01()
 {
   using namespace std;
   typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
-  typedef codecvt_base::result			result;
-  typedef wchar_t				int_type;
   typedef char					ext_type;
-  typedef char_traits<wchar_t>			int_traits;
-  typedef char_traits<char>			ext_traits;
 
   bool 			test = true;
   const ext_type* 	e_lit = "black pearl jasmine tea";
-  const ext_type*       efrom_next;
-  const int_type* 	i_lit = L"black pearl jasmine tea";
-  const int_type*       ifrom_next;
   int 			size = strlen(e_lit);
-  ext_type* 		e_arr = new ext_type[size + 1];
-  ext_type*		eto_next;
-  int_type* 		i_arr = new int_type[size + 1];
-  int_type*		ito_next;
 
   locale 		loc;
   const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
@@ -66,9 +55,6 @@ void test01()
   zero_state(state04);
   int j = cvt->length(state04, e_lit, e_lit + size, 5);
   VERIFY( j == 5 );
-
-  delete [] e_arr;
-  delete [] i_arr;
 }
 
 int main ()
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/2.cc
new file mode 100644
index 00000000000..0e90fbdc833
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/2.cc
@@ -0,0 +1,88 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Need to explicitly set the state(mbstate_t) to zero.
+// How to do this is not specified by the ISO C99 standard, so we
+// might need to add some operators to make the intuiative case
+// work:
+//   w_codecvt::state_type state00;
+//   state00 = 0;  
+// or, can use this explicit "C" initialization:
+//   w_codecvt::state_type state01 = {0, 0};
+// .. except Ulrich says: Use memset. Always use memset. Feel the force...
+void
+zero_state(std::mbstate_t& state)
+{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+void test02()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  typedef char					ext_type;
+
+  bool 			test = true;
+  const ext_type* 	e_lit =
+    "\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13"
+    "\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20!\"#$%&"
+    "'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`"
+    "abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86"
+    "\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95"
+    "\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4"
+    "\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3"
+    "\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2"
+    "\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1"
+    "\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0"
+    "\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef"
+    "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe"
+    "\xff";
+  int 			size = strlen(e_lit);
+
+  locale 		loc ("en_US.ISO-8859-1");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  w_codecvt::state_type state01;
+  zero_state(state01);
+  int i = cvt->length(state01, e_lit, e_lit + size, 5);
+  VERIFY( i == 5 );
+
+  w_codecvt::state_type state02;
+  zero_state(state02);
+  int j = cvt->length(state02, e_lit, e_lit + size, size);
+  VERIFY( j == size );
+
+  w_codecvt::state_type state03;
+  zero_state(state03);
+  int k = cvt->length(state03, e_lit, e_lit + size, size * 2);
+  VERIFY( k == size );
+}
+
+int main ()
+{
+  test02();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/3.cc b/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/3.cc
new file mode 100644
index 00000000000..8031c3edee0
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/3.cc
@@ -0,0 +1,88 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Need to explicitly set the state(mbstate_t) to zero.
+// How to do this is not specified by the ISO C99 standard, so we
+// might need to add some operators to make the intuiative case
+// work:
+//   w_codecvt::state_type state00;
+//   state00 = 0;  
+// or, can use this explicit "C" initialization:
+//   w_codecvt::state_type state01 = {0, 0};
+// .. except Ulrich says: Use memset. Always use memset. Feel the force...
+void
+zero_state(std::mbstate_t& state)
+{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+void test03()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  typedef char					ext_type;
+
+  bool 			test = true;
+  const ext_type* 	e_lit =
+    "\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13"
+    "\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20!\"#$%&"
+    "'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`"
+    "abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86"
+    "\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95"
+    "\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4"
+    "\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3"
+    "\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2"
+    "\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1"
+    "\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0"
+    "\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef"
+    "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe"
+    "\xff";
+  int 			size = strlen(e_lit);
+
+  locale 		loc ("en_US.ISO-8859-15");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  w_codecvt::state_type state01;
+  zero_state(state01);
+  int i = cvt->length(state01, e_lit, e_lit + size, 5);
+  VERIFY( i == 5 );
+
+  w_codecvt::state_type state02;
+  zero_state(state02);
+  int j = cvt->length(state02, e_lit, e_lit + size, size);
+  VERIFY( j == size );
+
+  w_codecvt::state_type state03;
+  zero_state(state03);
+  int k = cvt->length(state03, e_lit, e_lit + size, size * 2);
+  VERIFY( k == size );
+}
+
+int main ()
+{
+  test03();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/4.cc b/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/4.cc
new file mode 100644
index 00000000000..6a802bd2856
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/4.cc
@@ -0,0 +1,127 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Need to explicitly set the state(mbstate_t) to zero.
+// How to do this is not specified by the ISO C99 standard, so we
+// might need to add some operators to make the intuiative case
+// work:
+//   w_codecvt::state_type state00;
+//   state00 = 0;  
+// or, can use this explicit "C" initialization:
+//   w_codecvt::state_type state01 = {0, 0};
+// .. except Ulrich says: Use memset. Always use memset. Feel the force...
+void
+zero_state(std::mbstate_t& state)
+{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+void test04()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  typedef wchar_t				int_type;
+  typedef char					ext_type;
+
+  bool 			test = true;
+  const ext_type* 	e_lit =
+    "\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13"
+    "\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20!\"#$%&"
+    "'()*+,-./0123456789:;<=>?@}~\x7f\xc2\x80\xc2\x81\xc2\x82\xc2"
+    "\x83\xc2\x84\xc2\x85\xc2\x86\xc2\x87\xc2\x88\xc2\x89\xc2\x8a"
+    "\xc2\x8b\xc2\x8c\xc2\x8d\xc2\x8e\xc2\x8f\xc2\x90\xc2\x91\xc2"
+    "\x92\xc2\x93\xc2\x94\xc2\x95\xc2\x96\xc2\x97\xc2\x98\xc2\x99"
+    "\xc2\x9a\xc2\x9b\xc2\x9c\xc3\xba\xc3\xbb\xc3\xbc\xc3\xbd\xc3"
+    "\xbe\xc3\xbf\xc4\x80\xc4\x81\xc4\x82\xc4\x83\xc4\x84\xc4\x85"
+    "\xc4\x86\xc4\x87\xc4\x88\xc4\x89\xc4\x8a\xc4\x8b\xc4\x8c\xc4"
+    "\x8d\xc4\x8e\xc4\x8f\xc4\x90\xc4\x91\xc4\x92\xc4\x93\xc4\x94"
+    "\xc4\x95\xc4\x96\xc4\x97\xc4\x98\xc4\x99\xdf\xb8\xdf\xb9\xdf"
+    "\xba\xdf\xbb\xdf\xbc\xdf\xbd\xdf\xbe\xdf\xbf\xe0\xa0\x80\xe0"
+    "\xa0\x81\xe0\xa0\x82\xe0\xa0\x83\xe0\xa0\x84\xe0\xa0\x85\xe0"
+    "\xa0\x86\xe0\xa0\x87\xe0\xa0\x88\xe0\xa0\x89\xe0\xa0\x8a\xe0"
+    "\xa0\x8b\xe0\xa0\x8c\xe0\xa0\x8d\xe0\xa0\x8e\xe0\xa0\x8f\xe0"
+    "\xa0\x90\xe0\xa0\x91\xe0\xa0\x92\xe0\xa0\x93\xe0\xa0\x94\xe0"
+    "\xa0\x95\xe0\xa0\x96\xe0\xa0\x97\x1\x2\x4\x8\x10\x20@\xc2\x80"
+    "\xc4\x80\xc8\x80\xd0\x80\xe0\xa0\x80\xe1\x80\x80\xe2\x80\x80"
+    "\xe4\x80\x80\xe8\x80\x80\xf0\x90\x80\x80\xf0\xa0\x80\x80\xf1"
+    "\x80\x80\x80\xf2\x80\x80\x80\xf4\x80\x80\x80\xf8\x88\x80\x80"
+    "\x80\xf8\x90\x80\x80\x80\xf8\xa0\x80\x80\x80\xf9\x80\x80\x80"
+    "\x80\xfa\x80\x80\x80\x80\xfc\x84\x80\x80\x80\x80\xfc\x88\x80"
+    "\x80\x80\x80\xfc\x90\x80\x80\x80\x80\xfc\xa0\x80\x80\x80\x80"
+    "\xfd\x80\x80\x80\x80\x80";
+
+  const ext_type*       efrom_next;
+  const int_type 	i_lit[] = {
+    0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0xc,
+    0xd, 0xe, 0xf, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+    0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, L'!',
+    L'"', L'#', L'$', L'%', L'&', L'\'', L'(', L')', L'*', L'+',
+    L',', L'-', L'.', L'/', L'0', L'1', L'2', L'3', L'4', L'5',
+    L'6', L'7', L'8', L'9', L':', L';', L'<', L'=', L'>', L'?',
+    L'@', L'}', L'~', 0x7f, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85,
+    0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
+    0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99,
+    0x9a, 0x9b, 0x9c, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, 0x100,
+    0x101, 0x102, 0x103, 0x104, 0x105, 0x106, 0x107, 0x108, 0x109,
+    0x10a, 0x10b, 0x10c, 0x10d, 0x10e, 0x10f, 0x110, 0x111, 0x112,
+    0x113, 0x114, 0x115, 0x116, 0x117, 0x118, 0x119, 0x7f8, 0x7f9,
+    0x7fa, 0x7fb, 0x7fc, 0x7fd, 0x7fe, 0x7ff, 0x800, 0x801, 0x802,
+    0x803, 0x804, 0x805, 0x806, 0x807, 0x808, 0x809, 0x80a, 0x80b,
+    0x80c, 0x80d, 0x80e, 0x80f, 0x810, 0x811, 0x812, 0x813, 0x814,
+    0x815, 0x816, 0x817, 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, L'@',
+    0x80, 0x100, 0x200, 0x400, 0x800, 0x1000, 0x2000, 0x4000, 0x8000,
+    0x10000, 0x20000, 0x40000, 0x80000, 0x100000, 0x200000, 0x400000,
+    0x800000, 0x1000000, 0x2000000, 0x4000000, 0x8000000, 0x10000000,
+    0x20000000, 0x40000000, 0x0
+  };
+
+  int 			esize = strlen(e_lit);
+  int 			isize = wcslen(i_lit);
+
+  locale 		loc ("en_US.UTF-8");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  w_codecvt::state_type state01;
+  zero_state(state01);
+  int i = cvt->length(state01, e_lit, e_lit + esize, 5);
+  VERIFY( i == 5 );
+
+  w_codecvt::state_type state02;
+  zero_state(state02);
+  int j = cvt->length(state02, e_lit, e_lit + esize, isize);
+  VERIFY( j == esize );
+
+  w_codecvt::state_type state03;
+  zero_state(state03);
+  int k = cvt->length(state03, e_lit, e_lit + esize, esize * 2);
+  VERIFY( k == esize );
+}
+
+int main ()
+{
+  test04();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/5.cc b/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/5.cc
new file mode 100644
index 00000000000..284233e7b6b
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/5.cc
@@ -0,0 +1,64 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Need to explicitly set the state(mbstate_t) to zero.
+// How to do this is not specified by the ISO C99 standard, so we
+// might need to add some operators to make the intuiative case
+// work:
+//   w_codecvt::state_type state00;
+//   state00 = 0;  
+// or, can use this explicit "C" initialization:
+//   w_codecvt::state_type state01 = {0, 0};
+// .. except Ulrich says: Use memset. Always use memset. Feel the force...
+void
+zero_state(std::mbstate_t& state)
+{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+void test05()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  typedef char					ext_type;
+
+  bool 			test = true;
+  const ext_type 	e_lit[] = { '\0', '\0', 'f', '\0' };
+  int 			size = sizeof(e_lit);
+
+  locale 		loc;
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  w_codecvt::state_type state04;
+  zero_state(state04);
+  int j = cvt->length(state04, e_lit, e_lit + size, 5);
+  VERIFY( j == size );
+}
+
+int main ()
+{
+  test05();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/6.cc b/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/6.cc
new file mode 100644
index 00000000000..76c151edf05
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/6.cc
@@ -0,0 +1,84 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Need to explicitly set the state(mbstate_t) to zero.
+// How to do this is not specified by the ISO C99 standard, so we
+// might need to add some operators to make the intuiative case
+// work:
+//   w_codecvt::state_type state00;
+//   state00 = 0;  
+// or, can use this explicit "C" initialization:
+//   w_codecvt::state_type state01 = {0, 0};
+// .. except Ulrich says: Use memset. Always use memset. Feel the force...
+void
+zero_state(std::mbstate_t& state)
+{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
+
+bool length_called = false;
+
+class length_codecvt : public std::codecvt<wchar_t, char, std::mbstate_t>
+{
+  typedef std::codecvt<wchar_t, char, std::mbstate_t> w_codecvt;
+
+public:
+  // DR75: type of first argument of do_length is state_type&
+  virtual int do_length(state_type& state, const extern_type* from,
+                        const extern_type* end, std::size_t max) const
+  {
+    length_called = true;
+    return w_codecvt::do_length(state, from, end, max);
+  }
+};
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+//
+// libstdc++/9224
+void test06()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  typedef char					ext_type;
+
+  bool 			test = true;
+  const ext_type* 	e_lit = "black pearl jasmine tea";
+  int 			size = strlen(e_lit);
+
+  locale 		loc;
+  loc = locale(loc, new length_codecvt);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  w_codecvt::state_type state04;
+  zero_state(state04);
+  length_called = false;
+  cvt->length(state04, e_lit, e_lit + size, 5);
+  VERIFY( length_called );
+}
+
+int main ()
+{
+  test06();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/7.cc b/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/7.cc
new file mode 100644
index 00000000000..8a275e35a37
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/7.cc
@@ -0,0 +1,79 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Need to explicitly set the state(mbstate_t) to zero.
+// How to do this is not specified by the ISO C99 standard, so we
+// might need to add some operators to make the intuiative case
+// work:
+//   w_codecvt::state_type state00;
+//   state00 = 0;  
+// or, can use this explicit "C" initialization:
+//   w_codecvt::state_type state01 = {0, 0};
+// .. except Ulrich says: Use memset. Always use memset. Feel the force...
+void
+zero_state(std::mbstate_t& state)
+{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+//
+// Test handling of illegal input sequence in UTF-8.
+void test07()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  typedef wchar_t				int_type;
+  typedef char					ext_type;
+
+  bool 			test = true;
+  const ext_type* 	e_lit = "a\xc0\xff";
+  const ext_type*       efrom_next;
+  int 			size = strlen(e_lit);
+
+  locale 		loc ("en_US.UTF-8");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  w_codecvt::state_type state01;
+  zero_state(state01);
+  int i = cvt->length(state01, e_lit, e_lit + size, 1);
+  VERIFY( i == 1 );
+
+  w_codecvt::state_type state02;
+  zero_state(state02);
+  int j = cvt->length(state02, e_lit, e_lit + size, size);
+  VERIFY( j == 1 );
+
+  w_codecvt::state_type state03;
+  zero_state(state03);
+  int k = cvt->length(state03, e_lit, e_lit + size, size * 2);
+  VERIFY( k == 1 );
+}
+
+int main ()
+{
+  test07();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/1.cc b/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/1.cc
index 028756c897c..b2995e3b2fb 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/1.cc
@@ -23,51 +23,18 @@
 #include <locale>
 #include <testsuite_hooks.h>
 
-
-// Need to explicitly set the state(mbstate_t) to zero.
-// How to do this is not specified by the ISO C99 standard, so we
-// might need to add some operators to make the intuiative case
-// work:
-//   w_codecvt::state_type state00;
-//   state00 = 0;  
-// or, can use this explicit "C" initialization:
-//   w_codecvt::state_type state01 = {0, 0};
-// .. except Ulrich says: Use memset. Always use memset. Feel the force...
-void
-zero_state(std::mbstate_t& state)
-{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
-
 // Required instantiation
 // codecvt<wchar_t, char, mbstate_t>
 void test01()
 {
   using namespace std;
   typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
-  typedef codecvt_base::result			result;
-  typedef wchar_t				int_type;
-  typedef char					ext_type;
-  typedef char_traits<wchar_t>			int_traits;
-  typedef char_traits<char>			ext_traits;
 
-  bool 			test = true;
-  const ext_type* 	e_lit = "black pearl jasmine tea";
-  const ext_type*       efrom_next;
-  const int_type* 	i_lit = L"black pearl jasmine tea";
-  const int_type*       ifrom_next;
-  int 			size = strlen(e_lit);
-  ext_type* 		e_arr = new ext_type[size + 1];
-  ext_type*		eto_next;
-  int_type* 		i_arr = new int_type[size + 1];
-  int_type*		ito_next;
-
-  locale 		loc;
-  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+  locale 		loc_c = locale::classic();
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc_c); 
 
   int k = cvt->max_length();
   VERIFY( k == 1 );
-
-  delete [] e_arr;
-  delete [] i_arr;
 }
 
 int main ()
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/2.cc
new file mode 100644
index 00000000000..37fdf544449
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/2.cc
@@ -0,0 +1,45 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+void test02()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+
+  locale 		loc ("en_US.ISO-8859-1");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  int k = cvt->max_length();
+  VERIFY( k == 1 ); // ISO-8859-1 is a single-byte encoding
+}
+
+int main ()
+{
+  test02();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/3.cc b/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/3.cc
new file mode 100644
index 00000000000..d6778d18a07
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/3.cc
@@ -0,0 +1,45 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+void test03()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+
+  locale 		loc ("en_US.ISO-8859-15");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  int k = cvt->max_length();
+  VERIFY( k == 1 ); // ISO-8859-15 is a single-byte encoding
+}
+
+int main ()
+{
+  test03();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/4.cc b/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/4.cc
new file mode 100644
index 00000000000..fd85941ab37
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/4.cc
@@ -0,0 +1,47 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+void test04()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+
+  locale 		loc ("en_US.UTF-8");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  int k = cvt->max_length();
+  // Each UCS-4 wide character can be converted to at most 6 narrow
+  // characters in the UTF-8 encoding.
+  VERIFY( k == 6 ); 
+}
+
+int main ()
+{
+  test04();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/1.cc b/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/1.cc
index 3727044ae38..82a57c6fdbd 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/1.cc
@@ -45,19 +45,18 @@ void test01()
   typedef codecvt_base::result			result;
   typedef wchar_t				int_type;
   typedef char					ext_type;
-  typedef char_traits<wchar_t>			int_traits;
   typedef char_traits<char>			ext_traits;
 
   bool 			test = true;
   const ext_type* 	e_lit = "black pearl jasmine tea";
-  const ext_type*       efrom_next;
   const int_type* 	i_lit = L"black pearl jasmine tea";
   const int_type*       ifrom_next;
   int 			size = strlen(e_lit);
   ext_type* 		e_arr = new ext_type[size + 1];
+  ext_type* 		e_ref = new ext_type[size + 1];
+  memset(e_arr, 0xf0, size + 1);
+  memset(e_ref, 0xf0, size + 1);
   ext_type*		eto_next;
-  int_type* 		i_arr = new int_type[size + 1];
-  int_type*		ito_next;
 
   locale 		loc;
   const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
@@ -68,12 +67,13 @@ void test01()
   result r2 = cvt->out(state02, i_lit, i_lit + size, ifrom_next, 
 		       e_arr, e_arr + size, eto_next);
   VERIFY( r2 == codecvt_base::ok );
-  VERIFY( !ext_traits::compare(e_arr, e_lit, size) ); 
   VERIFY( ifrom_next == i_lit + size );
   VERIFY( eto_next == e_arr + size );
+  VERIFY( !ext_traits::compare(e_arr, e_lit, size) );
+  VERIFY( !ext_traits::compare(eto_next, e_ref, 1) );
 
   delete [] e_arr;
-  delete [] i_arr;
+  delete [] e_ref;
 }
 
 int main ()
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/2.cc
new file mode 100644
index 00000000000..c2e807da594
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/2.cc
@@ -0,0 +1,112 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Need to explicitly set the state(mbstate_t) to zero.
+// How to do this is not specified by the ISO C99 standard, so we
+// might need to add some operators to make the intuiative case
+// work:
+//   w_codecvt::state_type state00;
+//   state00 = 0;  
+// or, can use this explicit "C" initialization:
+//   w_codecvt::state_type state01 = {0, 0};
+// .. except Ulrich says: Use memset. Always use memset. Feel the force...
+void
+zero_state(std::mbstate_t& state)
+{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+void test02()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  typedef codecvt_base::result			result;
+  typedef wchar_t				int_type;
+  typedef char					ext_type;
+  typedef char_traits<char>			ext_traits;
+
+  bool 			test = true;
+  const ext_type* 	e_lit =
+    "\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13"
+    "\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20!\"#$%&"
+    "'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`"
+    "abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86"
+    "\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95"
+    "\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4"
+    "\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3"
+    "\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2"
+    "\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1"
+    "\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0"
+    "\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef"
+    "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe"
+    "\xff";
+
+  const int_type* 	i_lit =
+    L"\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13"
+    L"\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20!\"#$%&"
+    L"'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`"
+    L"abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86"
+    L"\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95"
+    L"\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4"
+    L"\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3"
+    L"\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2"
+    L"\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1"
+    L"\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0"
+    L"\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef"
+    L"\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe"
+    L"\xff";
+
+  const int_type*       ifrom_next;
+  int 			size = strlen(e_lit);
+  ext_type* 		e_arr = new ext_type[size + 1];
+  ext_type* 		e_ref = new ext_type[size + 1];
+  memset(e_arr, 0xf0, size + 1);
+  memset(e_ref, 0xf0, size + 1);
+  ext_type*		eto_next;
+
+  locale 		loc ("en_US.ISO-8859-1");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  // out
+  w_codecvt::state_type state02;
+  zero_state(state02);  
+  result r2 = cvt->out(state02, i_lit, i_lit + size, ifrom_next, 
+		       e_arr, e_arr + size, eto_next);
+  VERIFY( r2 == codecvt_base::ok );
+  VERIFY( ifrom_next == i_lit + size );
+  VERIFY( eto_next == e_arr + size );
+  VERIFY( !ext_traits::compare(e_arr, e_lit, size) );
+  VERIFY( !ext_traits::compare(eto_next, e_ref, 1) );
+
+  delete [] e_arr;
+  delete [] e_ref;
+}
+
+int main ()
+{
+  test02();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/3.cc b/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/3.cc
new file mode 100644
index 00000000000..d92e01c7d2b
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/3.cc
@@ -0,0 +1,126 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Need to explicitly set the state(mbstate_t) to zero.
+// How to do this is not specified by the ISO C99 standard, so we
+// might need to add some operators to make the intuiative case
+// work:
+//   w_codecvt::state_type state00;
+//   state00 = 0;  
+// or, can use this explicit "C" initialization:
+//   w_codecvt::state_type state01 = {0, 0};
+// .. except Ulrich says: Use memset. Always use memset. Feel the force...
+void
+zero_state(std::mbstate_t& state)
+{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+void test03()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  typedef codecvt_base::result			result;
+  typedef wchar_t				int_type;
+  typedef char					ext_type;
+  typedef char_traits<char>			ext_traits;
+
+  bool 			test = true;
+  const ext_type* 	e_lit =
+    "\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13"
+    "\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20!\"#$%&"
+    "'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`"
+    "abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86"
+    "\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95"
+    "\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4"
+    "\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3"
+    "\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2"
+    "\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1"
+    "\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0"
+    "\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef"
+    "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe"
+    "\xff";
+
+  const int_type 	i_lit[] = {
+    0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0xc,
+    0xd, 0xe, 0xf, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+    0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, L'!',
+    L'"', L'#', L'$', L'%', L'&', L'\'', L'(', L')', L'*', L'+',
+    L',', L'-', L'.', L'/', L'0', L'1', L'2', L'3', L'4', L'5',
+    L'6', L'7', L'8', L'9', L':', L';', L'<', L'=', L'>', L'?',
+    L'@', L'A', L'B', L'C', L'D', L'E', L'F', L'G', L'H', L'I',
+    L'J', L'K', L'L', L'M', L'N', L'O', L'P', L'Q', L'R', L'S',
+    L'T', L'U', L'V', L'W', L'X', L'Y', L'Z', L'[', L'\\', L']',
+    L'^', L'_', L'`', L'a', L'b', L'c', L'd', L'e', L'f', L'g',
+    L'h', L'i', L'j', L'k', L'l', L'm', L'n', L'o', L'p', L'q',
+    L'r', L's', L't', L'u', L'v', L'w', L'x', L'y', L'z', L'{',
+    L'|', L'}', L'~', 0x7f, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85,
+    0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
+    0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99,
+    0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa3,
+    0x20ac, 0xa5, 0x160, 0xa7, 0x161, 0xa9, 0xaa, 0xab, 0xac, 0xad,
+    0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, 0x17d, 0xb5, 0xb6, 0xb7,
+    0x17e, 0xb9, 0xba, 0xbb, 0x152, 0x153, 0x178, 0xbf, 0xc0, 0xc1,
+    0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb,
+    0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5,
+    0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
+    0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
+    0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3,
+    0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd,
+    0xfe, 0xff, 0x0
+  };
+
+  const int_type*       ifrom_next;
+  int 			size = strlen(e_lit);
+  ext_type* 		e_arr = new ext_type[size + 1];
+  ext_type* 		e_ref = new ext_type[size + 1];
+  memset(e_arr, 0xf0, size + 1);
+  memset(e_ref, 0xf0, size + 1);
+  ext_type*		eto_next;
+
+  locale 		loc ("en_US.ISO-8859-15");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  // out
+  w_codecvt::state_type state02;
+  zero_state(state02);  
+  result r2 = cvt->out(state02, i_lit, i_lit + size, ifrom_next, 
+		       e_arr, e_arr + size, eto_next);
+  VERIFY( r2 == codecvt_base::ok );
+  VERIFY( ifrom_next == i_lit + size );
+  VERIFY( eto_next == e_arr + size );
+  VERIFY( !ext_traits::compare(e_arr, e_lit, size) );
+  VERIFY( !ext_traits::compare(eto_next, e_ref, 1) );
+
+  delete [] e_arr;
+  delete [] e_ref;
+}
+
+int main ()
+{
+  test03();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/4.cc b/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/4.cc
new file mode 100644
index 00000000000..626ff70efe4
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/4.cc
@@ -0,0 +1,133 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Need to explicitly set the state(mbstate_t) to zero.
+// How to do this is not specified by the ISO C99 standard, so we
+// might need to add some operators to make the intuiative case
+// work:
+//   w_codecvt::state_type state00;
+//   state00 = 0;  
+// or, can use this explicit "C" initialization:
+//   w_codecvt::state_type state01 = {0, 0};
+// .. except Ulrich says: Use memset. Always use memset. Feel the force...
+void
+zero_state(std::mbstate_t& state)
+{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+void test04()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  typedef codecvt_base::result			result;
+  typedef wchar_t				int_type;
+  typedef char					ext_type;
+  typedef char_traits<char>			ext_traits;
+
+  bool 			test = true;
+  const ext_type* 	e_lit =
+    "\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13"
+    "\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20!\"#$%&"
+    "'()*+,-./0123456789:;<=>?@}~\x7f\xc2\x80\xc2\x81\xc2\x82\xc2"
+    "\x83\xc2\x84\xc2\x85\xc2\x86\xc2\x87\xc2\x88\xc2\x89\xc2\x8a"
+    "\xc2\x8b\xc2\x8c\xc2\x8d\xc2\x8e\xc2\x8f\xc2\x90\xc2\x91\xc2"
+    "\x92\xc2\x93\xc2\x94\xc2\x95\xc2\x96\xc2\x97\xc2\x98\xc2\x99"
+    "\xc2\x9a\xc2\x9b\xc2\x9c\xc3\xba\xc3\xbb\xc3\xbc\xc3\xbd\xc3"
+    "\xbe\xc3\xbf\xc4\x80\xc4\x81\xc4\x82\xc4\x83\xc4\x84\xc4\x85"
+    "\xc4\x86\xc4\x87\xc4\x88\xc4\x89\xc4\x8a\xc4\x8b\xc4\x8c\xc4"
+    "\x8d\xc4\x8e\xc4\x8f\xc4\x90\xc4\x91\xc4\x92\xc4\x93\xc4\x94"
+    "\xc4\x95\xc4\x96\xc4\x97\xc4\x98\xc4\x99\xdf\xb8\xdf\xb9\xdf"
+    "\xba\xdf\xbb\xdf\xbc\xdf\xbd\xdf\xbe\xdf\xbf\xe0\xa0\x80\xe0"
+    "\xa0\x81\xe0\xa0\x82\xe0\xa0\x83\xe0\xa0\x84\xe0\xa0\x85\xe0"
+    "\xa0\x86\xe0\xa0\x87\xe0\xa0\x88\xe0\xa0\x89\xe0\xa0\x8a\xe0"
+    "\xa0\x8b\xe0\xa0\x8c\xe0\xa0\x8d\xe0\xa0\x8e\xe0\xa0\x8f\xe0"
+    "\xa0\x90\xe0\xa0\x91\xe0\xa0\x92\xe0\xa0\x93\xe0\xa0\x94\xe0"
+    "\xa0\x95\xe0\xa0\x96\xe0\xa0\x97\x1\x2\x4\x8\x10\x20@\xc2\x80"
+    "\xc4\x80\xc8\x80\xd0\x80\xe0\xa0\x80\xe1\x80\x80\xe2\x80\x80"
+    "\xe4\x80\x80\xe8\x80\x80\xf0\x90\x80\x80\xf0\xa0\x80\x80\xf1"
+    "\x80\x80\x80\xf2\x80\x80\x80\xf4\x80\x80\x80\xf8\x88\x80\x80"
+    "\x80\xf8\x90\x80\x80\x80\xf8\xa0\x80\x80\x80\xf9\x80\x80\x80"
+    "\x80\xfa\x80\x80\x80\x80\xfc\x84\x80\x80\x80\x80\xfc\x88\x80"
+    "\x80\x80\x80\xfc\x90\x80\x80\x80\x80\xfc\xa0\x80\x80\x80\x80"
+    "\xfd\x80\x80\x80\x80\x80";
+
+  const int_type 	i_lit[] = {
+    0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0xc,
+    0xd, 0xe, 0xf, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+    0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, L'!',
+    L'"', L'#', L'$', L'%', L'&', L'\'', L'(', L')', L'*', L'+',
+    L',', L'-', L'.', L'/', L'0', L'1', L'2', L'3', L'4', L'5',
+    L'6', L'7', L'8', L'9', L':', L';', L'<', L'=', L'>', L'?',
+    L'@', L'}', L'~', 0x7f, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85,
+    0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
+    0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99,
+    0x9a, 0x9b, 0x9c, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, 0x100,
+    0x101, 0x102, 0x103, 0x104, 0x105, 0x106, 0x107, 0x108, 0x109,
+    0x10a, 0x10b, 0x10c, 0x10d, 0x10e, 0x10f, 0x110, 0x111, 0x112,
+    0x113, 0x114, 0x115, 0x116, 0x117, 0x118, 0x119, 0x7f8, 0x7f9,
+    0x7fa, 0x7fb, 0x7fc, 0x7fd, 0x7fe, 0x7ff, 0x800, 0x801, 0x802,
+    0x803, 0x804, 0x805, 0x806, 0x807, 0x808, 0x809, 0x80a, 0x80b,
+    0x80c, 0x80d, 0x80e, 0x80f, 0x810, 0x811, 0x812, 0x813, 0x814,
+    0x815, 0x816, 0x817, 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, L'@',
+    0x80, 0x100, 0x200, 0x400, 0x800, 0x1000, 0x2000, 0x4000, 0x8000,
+    0x10000, 0x20000, 0x40000, 0x80000, 0x100000, 0x200000, 0x400000,
+    0x800000, 0x1000000, 0x2000000, 0x4000000, 0x8000000, 0x10000000,
+    0x20000000, 0x40000000, 0x0
+  };
+
+  const int_type*       ifrom_next;
+  int 			esize = strlen(e_lit);
+  int 			isize = wcslen(i_lit);
+  ext_type* 		e_arr = new ext_type[esize + 1];
+  ext_type* 		e_ref = new ext_type[esize + 1];
+  memset(e_arr, 0xf0, esize + 1);
+  memset(e_ref, 0xf0, esize + 1);
+  ext_type*		eto_next;
+
+  locale 		loc ("en_US.UTF-8");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  // out
+  w_codecvt::state_type state02;
+  zero_state(state02);  
+  result r2 = cvt->out(state02, i_lit, i_lit + isize, ifrom_next, 
+		       e_arr, e_arr + esize, eto_next);
+  VERIFY( r2 == codecvt_base::ok );
+  VERIFY( ifrom_next == i_lit + isize );
+  VERIFY( eto_next == e_arr + esize );
+  VERIFY( !ext_traits::compare(e_arr, e_lit, esize) );
+  VERIFY( !ext_traits::compare(eto_next, e_ref, 1) );
+
+  delete [] e_arr;
+  delete [] e_ref;
+}
+
+int main ()
+{
+  test04();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/5.cc b/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/5.cc
new file mode 100644
index 00000000000..13ca4b28719
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/5.cc
@@ -0,0 +1,86 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Need to explicitly set the state(mbstate_t) to zero.
+// How to do this is not specified by the ISO C99 standard, so we
+// might need to add some operators to make the intuiative case
+// work:
+//   w_codecvt::state_type state00;
+//   state00 = 0;  
+// or, can use this explicit "C" initialization:
+//   w_codecvt::state_type state01 = {0, 0};
+// .. except Ulrich says: Use memset. Always use memset. Feel the force...
+void
+zero_state(std::mbstate_t& state)
+{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+//
+// Test handling of '\0' characters in input
+// libstdc++/9246
+void test05()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  typedef codecvt_base::result			result;
+  typedef wchar_t				int_type;
+  typedef char					ext_type;
+  typedef char_traits<char>			ext_traits;
+
+  bool 			test = true;
+  const ext_type 	e_lit[] = { '\0', '\0', 'f', '\0' };
+  const int_type 	i_lit[] = { L'\0', L'\0', L'f', L'\0' };
+  const int_type*       ifrom_next;
+  int 			size = sizeof(e_lit);
+  ext_type* 		e_arr = new ext_type[size + 1];
+  ext_type* 		e_ref = new ext_type[size + 1];
+  memset(e_arr, 0xf0, size + 1);
+  memset(e_ref, 0xf0, size + 1);
+  ext_type*		eto_next;
+
+  locale 		loc;
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  // out
+  w_codecvt::state_type state02;
+  zero_state(state02);  
+  result r2 = cvt->out(state02, i_lit, i_lit + size, ifrom_next, 
+		       e_arr, e_arr + size, eto_next);
+  VERIFY( r2 == codecvt_base::ok );
+  VERIFY( ifrom_next == i_lit + size );
+  VERIFY( eto_next == e_arr + size );
+  VERIFY( !ext_traits::compare(e_arr, e_lit, size) );
+  VERIFY( !ext_traits::compare(eto_next, e_ref, 1) );
+
+  delete [] e_arr;
+  delete [] e_ref;
+}
+
+int main ()
+{
+  test05();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/6.cc b/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/6.cc
new file mode 100644
index 00000000000..9ee2770bafd
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/6.cc
@@ -0,0 +1,86 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Need to explicitly set the state(mbstate_t) to zero.
+// How to do this is not specified by the ISO C99 standard, so we
+// might need to add some operators to make the intuiative case
+// work:
+//   w_codecvt::state_type state00;
+//   state00 = 0;  
+// or, can use this explicit "C" initialization:
+//   w_codecvt::state_type state01 = {0, 0};
+// .. except Ulrich says: Use memset. Always use memset. Feel the force...
+void
+zero_state(std::mbstate_t& state)
+{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+//
+// Test handling of output buffer that is too small.
+// libstdc++/9247
+void test06()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  typedef codecvt_base::result			result;
+  typedef wchar_t				int_type;
+  typedef char					ext_type;
+  typedef char_traits<char>			ext_traits;
+
+  bool 			test = true;
+  const ext_type* 	e_lit = "black pearl jasmine tea";
+  const int_type* 	i_lit = L"black pearl jasmine tea";
+  const int_type*       ifrom_next;
+  int 			size = strlen(e_lit);
+  ext_type* 		e_arr = new ext_type[size + 1];
+  ext_type* 		e_ref = new ext_type[size + 1];
+  memset(e_arr, 0xf0, size + 1);
+  memset(e_ref, 0xf0, size + 1);
+  ext_type*		eto_next;
+
+  locale 		loc;
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  // out
+  w_codecvt::state_type state02;
+  zero_state(state02);  
+  result r2 = cvt->out(state02, i_lit, i_lit + size, ifrom_next, 
+		       e_arr, e_arr + 1, eto_next);
+  VERIFY( r2 == codecvt_base::partial );
+  VERIFY( ifrom_next == i_lit + 1 );
+  VERIFY( eto_next == e_arr + 1 );
+  VERIFY( !ext_traits::compare(e_arr, e_lit, 1) );
+  VERIFY( !ext_traits::compare(eto_next, e_ref, size) );
+
+  delete [] e_arr;
+  delete [] e_ref;
+}
+
+int main ()
+{
+  test06();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/7.cc b/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/7.cc
new file mode 100644
index 00000000000..3ea57c05c03
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/7.cc
@@ -0,0 +1,84 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Need to explicitly set the state(mbstate_t) to zero.
+// How to do this is not specified by the ISO C99 standard, so we
+// might need to add some operators to make the intuiative case
+// work:
+//   w_codecvt::state_type state00;
+//   state00 = 0;  
+// or, can use this explicit "C" initialization:
+//   w_codecvt::state_type state01 = {0, 0};
+// .. except Ulrich says: Use memset. Always use memset. Feel the force...
+void
+zero_state(std::mbstate_t& state)
+{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+void test03()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  typedef codecvt_base::result			result;
+  typedef wchar_t				int_type;
+  typedef char					ext_type;
+  typedef char_traits<char>			ext_traits;
+
+  bool 			test = true;
+  const ext_type* 	e_lit = "a";
+  const int_type 	i_lit[] = { L'a', 0x20ac, 0x0 };
+  const int_type*       ifrom_next;
+  int 			size = wcslen(i_lit);
+  ext_type* 		e_arr = new ext_type[size + 1];
+  ext_type* 		e_ref = new ext_type[size + 1];
+  memset(e_arr, 0xf0, size + 1);
+  memset(e_ref, 0xf0, size + 1);
+  ext_type*		eto_next;
+
+  locale 		loc ("en_US.ISO-8859-1");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  // out
+  w_codecvt::state_type state02;
+  zero_state(state02);  
+  result r2 = cvt->out(state02, i_lit, i_lit + size, ifrom_next, 
+		       e_arr, e_arr + size, eto_next);
+  VERIFY( r2 == codecvt_base::error );
+  VERIFY( ifrom_next == i_lit + 1 );
+  VERIFY( eto_next == e_arr + 1 );
+  VERIFY( !ext_traits::compare(e_arr, e_lit, 1) );
+  VERIFY( !ext_traits::compare(eto_next, e_ref, size) );
+
+  delete [] e_arr;
+  delete [] e_ref;
+}
+
+int main ()
+{
+  test03();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/unicode/1.cc b/libstdc++-v3/testsuite/22_locale/codecvt/unicode/1.cc
new file mode 100644
index 00000000000..b96b22c5991
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/unicode/1.cc
@@ -0,0 +1,147 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+
+
+#ifdef _GLIBCPP_USE___ENC_TRAITS
+
+// Need some char_traits specializations for this to work.
+typedef unsigned short			unicode_t;
+
+namespace std
+{
+  template<>
+    struct char_traits<unicode_t>
+    {
+      typedef unicode_t 	char_type;
+      // Unsigned as wint_t is unsigned.
+      typedef unsigned long  	int_type;
+      typedef streampos 	pos_type;
+      typedef streamoff 	off_type;
+      typedef mbstate_t 	state_type;
+      
+      static void 
+      assign(char_type& __c1, const char_type& __c2);
+
+      static bool 
+      eq(const char_type& __c1, const char_type& __c2);
+
+      static bool 
+      lt(const char_type& __c1, const char_type& __c2);
+
+      static int 
+      compare(const char_type* __s1, const char_type* __s2, size_t __n)
+      { return memcmp(__s1, __s2, __n); }
+
+      static size_t
+      length(const char_type* __s);
+
+      static const char_type* 
+      find(const char_type* __s, size_t __n, const char_type& __a);
+
+      static char_type* 
+      move(char_type* __s1, const char_type* __s2, size_t __n);
+
+      static char_type* 
+      copy(char_type* __s1, const char_type* __s2, size_t __n)
+      {  return static_cast<char_type*>(memcpy(__s1, __s2, __n)); }
+
+      static char_type* 
+      assign(char_type* __s, size_t __n, char_type __a);
+
+      static char_type 
+      to_char_type(const int_type& __c);
+
+      static int_type 
+      to_int_type(const char_type& __c);
+
+      static bool 
+      eq_int_type(const int_type& __c1, const int_type& __c2);
+
+      static int_type 
+      eof(); 
+
+      static int_type 
+      not_eof(const int_type& __c);
+    };
+}
+
+void
+initialize_state(std::__enc_traits& state)
+{ state._M_init(); }
+
+bool length_called = false;
+
+class length_codecvt : public std::codecvt<unicode_t, char, std::__enc_traits>
+{
+  typedef std::codecvt<unicode_t, char, std::__enc_traits> unicode_codecvt;
+
+public:
+  // DR75: type of first argument of do_length is state_type&
+  virtual int do_length(state_type& state, const extern_type* from,
+                        const extern_type* end, std::size_t max) const
+  {
+    length_called = true;
+    return unicode_codecvt::do_length(state, from, end, max);
+  }
+};
+
+// Partial specialization using __enc_traits.
+// codecvt<unicode_t, char, __enc_traits>
+// UNICODE - UCS2 (big endian)
+void test01()
+{
+  using namespace std;
+  typedef unicode_t				int_type;
+  typedef char					ext_type;
+  typedef __enc_traits				enc_type;
+  typedef codecvt<int_type, ext_type, enc_type>	unicode_codecvt;
+
+  bool 			test = true;
+  const ext_type* 	e_lit = "black pearl jasmine tea";
+  int 			size = strlen(e_lit);
+
+  // construct a locale object with the specialized facet.
+  locale 		loc(locale::classic(), new length_codecvt);
+  // sanity check the constructed locale has the specialized facet.
+  VERIFY( has_facet<unicode_codecvt>(loc) );
+  const unicode_codecvt&	cvt = use_facet<unicode_codecvt>(loc); 
+
+  unicode_codecvt::state_type state04("UCS-2BE", "ISO-8859-15", 0xfeff, 0);
+  initialize_state(state04);
+  length_called = false;
+  cvt.length(state04, e_lit, e_lit + size, 5);
+  VERIFY( length_called );
+}
+#endif // _GLIBCPP_USE___ENC_TRAITS
+
+int main ()
+{
+#if _GLIBCPP_USE___ENC_TRAITS
+  test01();
+#endif 
+
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/1.cc b/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/1.cc
index 2f31670e4c7..65aaea05056 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/1.cc
@@ -45,43 +45,16 @@ void test01()
   typedef codecvt_base::result			result;
   typedef wchar_t				int_type;
   typedef char					ext_type;
-  typedef char_traits<wchar_t>			int_traits;
-  typedef char_traits<char>			ext_traits;
 
   bool 			test = true;
   const ext_type* 	e_lit = "black pearl jasmine tea";
-  const ext_type*       efrom_next;
-  const int_type* 	i_lit = L"black pearl jasmine tea";
-  const int_type*       ifrom_next;
   int 			size = strlen(e_lit);
   ext_type* 		e_arr = new ext_type[size + 1];
   ext_type*		eto_next;
-  int_type* 		i_arr = new int_type[size + 1];
-  int_type*		ito_next;
 
   locale 		loc;
   const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
 
-  // in
-  w_codecvt::state_type state01;
-  zero_state(state01);
-  result r1 = cvt->in(state01, e_lit, e_lit + size, efrom_next, 
-		      i_arr, i_arr + size, ito_next);
-  VERIFY( r1 == codecvt_base::ok );
-  VERIFY( !int_traits::compare(i_arr, i_lit, size) ); 
-  VERIFY( efrom_next == e_lit + size );
-  VERIFY( ito_next == i_arr + size );
-
-  // out
-  w_codecvt::state_type state02;
-  zero_state(state02);  
-  result r2 = cvt->out(state02, i_lit, i_lit + size, ifrom_next, 
-		       e_arr, e_arr + size, eto_next);
-  VERIFY( r2 == codecvt_base::ok );
-  VERIFY( !ext_traits::compare(e_arr, e_lit, size) ); 
-  VERIFY( ifrom_next == i_lit + size );
-  VERIFY( eto_next == e_arr + size );
-
   // unshift
   strcpy(e_arr, e_lit);
   w_codecvt::state_type state03;
@@ -90,6 +63,8 @@ void test01()
   VERIFY( r3 == codecvt_base::noconv );
   VERIFY( !strcmp(e_arr, e_lit) ); 
   VERIFY( eto_next == e_arr );
+
+  delete [] e_arr;
 }
 
 int main ()
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/2.cc
new file mode 100644
index 00000000000..77e3b9292dd
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/2.cc
@@ -0,0 +1,107 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Need to explicitly set the state(mbstate_t) to zero.
+// How to do this is not specified by the ISO C99 standard, so we
+// might need to add some operators to make the intuiative case
+// work:
+//   w_codecvt::state_type state00;
+//   state00 = 0;  
+// or, can use this explicit "C" initialization:
+//   w_codecvt::state_type state01 = {0, 0};
+// .. except Ulrich says: Use memset. Always use memset. Feel the force...
+void
+zero_state(std::mbstate_t& state)
+{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+void test02()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  typedef codecvt_base::result			result;
+  typedef wchar_t				int_type;
+  typedef char					ext_type;
+  typedef char_traits<char>			ext_traits;
+
+  bool 			test = true;
+  const int_type* 	i_lit =
+    L"\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13"
+    L"\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20!\"#$%&"
+    L"'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`"
+    L"abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86"
+    L"\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95"
+    L"\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4"
+    L"\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3"
+    L"\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2"
+    L"\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1"
+    L"\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0"
+    L"\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef"
+    L"\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe"
+    L"\xff";
+
+  const int_type*       ifrom_next;
+  int 			size = wcslen(i_lit);
+  ext_type* 		e_arr = new ext_type[size + 1];
+  ext_type* 		e_ref = new ext_type[size + 1];
+  memset(e_arr, 0xf0, size + 1);
+  memset(e_ref, 0xf0, size + 1);
+  ext_type*		eto_next;
+
+  locale 		loc ("en_US.ISO-8859-1");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  // unshift
+  w_codecvt::state_type state01;
+  zero_state(state01);
+  result r1 = cvt->unshift(state01, e_arr, e_arr + size, eto_next);
+  VERIFY( r1 == codecvt_base::noconv );
+  VERIFY( !ext_traits::compare(e_arr, e_ref, size + 1) ); 
+  VERIFY( eto_next == e_arr );
+
+  for (int i = 0; i < size; ++i)
+    {
+      w_codecvt::state_type state02;
+      zero_state(state02);
+      cvt->out(state02, i_lit + i, i_lit + i + 1, ifrom_next, 
+	       e_arr, e_arr + size, eto_next);
+      memset(e_arr, 0xf0, size + 1);
+      result r2 = cvt->unshift(state02, e_arr, e_arr + size, eto_next);
+      VERIFY( r2 == codecvt_base::noconv );
+      VERIFY( !ext_traits::compare(e_arr, e_ref, size + 1) ); 
+      VERIFY( eto_next == e_arr );
+    }
+
+  delete [] e_arr;
+  delete [] e_ref;
+}
+
+int main ()
+{
+  test02();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/3.cc b/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/3.cc
new file mode 100644
index 00000000000..a828090b14d
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/3.cc
@@ -0,0 +1,121 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Need to explicitly set the state(mbstate_t) to zero.
+// How to do this is not specified by the ISO C99 standard, so we
+// might need to add some operators to make the intuiative case
+// work:
+//   w_codecvt::state_type state00;
+//   state00 = 0;  
+// or, can use this explicit "C" initialization:
+//   w_codecvt::state_type state01 = {0, 0};
+// .. except Ulrich says: Use memset. Always use memset. Feel the force...
+void
+zero_state(std::mbstate_t& state)
+{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+void test03()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  typedef codecvt_base::result			result;
+  typedef wchar_t				int_type;
+  typedef char					ext_type;
+  typedef char_traits<char>			ext_traits;
+
+  bool 			test = true;
+  const int_type 	i_lit[] = {
+    0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0xc,
+    0xd, 0xe, 0xf, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+    0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, L'!',
+    L'"', L'#', L'$', L'%', L'&', L'\'', L'(', L')', L'*', L'+',
+    L',', L'-', L'.', L'/', L'0', L'1', L'2', L'3', L'4', L'5',
+    L'6', L'7', L'8', L'9', L':', L';', L'<', L'=', L'>', L'?',
+    L'@', L'A', L'B', L'C', L'D', L'E', L'F', L'G', L'H', L'I',
+    L'J', L'K', L'L', L'M', L'N', L'O', L'P', L'Q', L'R', L'S',
+    L'T', L'U', L'V', L'W', L'X', L'Y', L'Z', L'[', L'\\', L']',
+    L'^', L'_', L'`', L'a', L'b', L'c', L'd', L'e', L'f', L'g',
+    L'h', L'i', L'j', L'k', L'l', L'm', L'n', L'o', L'p', L'q',
+    L'r', L's', L't', L'u', L'v', L'w', L'x', L'y', L'z', L'{',
+    L'|', L'}', L'~', 0x7f, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85,
+    0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
+    0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99,
+    0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa3,
+    0x20ac, 0xa5, 0x160, 0xa7, 0x161, 0xa9, 0xaa, 0xab, 0xac, 0xad,
+    0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, 0x17d, 0xb5, 0xb6, 0xb7,
+    0x17e, 0xb9, 0xba, 0xbb, 0x152, 0x153, 0x178, 0xbf, 0xc0, 0xc1,
+    0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb,
+    0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5,
+    0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
+    0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
+    0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3,
+    0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd,
+    0xfe, 0xff, 0x0
+  };
+
+  const int_type*       ifrom_next;
+  int 			size = wcslen(i_lit);
+  ext_type* 		e_arr = new ext_type[size + 1];
+  ext_type* 		e_ref = new ext_type[size + 1];
+  memset(e_arr, 0xf0, size + 1);
+  memset(e_ref, 0xf0, size + 1);
+  ext_type*		eto_next;
+
+  locale 		loc ("en_US.ISO-8859-15");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  // unshift
+  w_codecvt::state_type state01;
+  zero_state(state01);
+  result r1 = cvt->unshift(state01, e_arr, e_arr + size, eto_next);
+  VERIFY( r1 == codecvt_base::noconv );
+  VERIFY( !ext_traits::compare(e_arr, e_ref, size + 1) ); 
+  VERIFY( eto_next == e_arr );
+
+  for (int i = 0; i < size; ++i)
+    {
+      w_codecvt::state_type state02;
+      zero_state(state02);
+      cvt->out(state02, i_lit + i, i_lit + i + 1, ifrom_next, 
+	       e_arr, e_arr + size, eto_next);
+      memset(e_arr, 0xf0, size + 1);
+      result r2 = cvt->unshift(state02, e_arr, e_arr + size, eto_next);
+      VERIFY( r2 == codecvt_base::noconv );
+      VERIFY( !ext_traits::compare(e_arr, e_ref, size + 1) ); 
+      VERIFY( eto_next == e_arr );
+    }
+
+  delete [] e_arr;
+  delete [] e_ref;
+}
+
+int main ()
+{
+  test03();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/4.cc b/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/4.cc
new file mode 100644
index 00000000000..09a91ed5597
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/4.cc
@@ -0,0 +1,116 @@
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Need to explicitly set the state(mbstate_t) to zero.
+// How to do this is not specified by the ISO C99 standard, so we
+// might need to add some operators to make the intuiative case
+// work:
+//   w_codecvt::state_type state00;
+//   state00 = 0;  
+// or, can use this explicit "C" initialization:
+//   w_codecvt::state_type state01 = {0, 0};
+// .. except Ulrich says: Use memset. Always use memset. Feel the force...
+void
+zero_state(std::mbstate_t& state)
+{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+void test04()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  typedef codecvt_base::result			result;
+  typedef wchar_t				int_type;
+  typedef char					ext_type;
+  typedef char_traits<char>			ext_traits;
+
+  bool 			test = true;
+  const int_type 	i_lit[] = {
+    0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0xc,
+    0xd, 0xe, 0xf, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+    0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, L'!',
+    L'"', L'#', L'$', L'%', L'&', L'\'', L'(', L')', L'*', L'+',
+    L',', L'-', L'.', L'/', L'0', L'1', L'2', L'3', L'4', L'5',
+    L'6', L'7', L'8', L'9', L':', L';', L'<', L'=', L'>', L'?',
+    L'@', L'}', L'~', 0x7f, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85,
+    0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
+    0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99,
+    0x9a, 0x9b, 0x9c, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, 0x100,
+    0x101, 0x102, 0x103, 0x104, 0x105, 0x106, 0x107, 0x108, 0x109,
+    0x10a, 0x10b, 0x10c, 0x10d, 0x10e, 0x10f, 0x110, 0x111, 0x112,
+    0x113, 0x114, 0x115, 0x116, 0x117, 0x118, 0x119, 0x7f8, 0x7f9,
+    0x7fa, 0x7fb, 0x7fc, 0x7fd, 0x7fe, 0x7ff, 0x800, 0x801, 0x802,
+    0x803, 0x804, 0x805, 0x806, 0x807, 0x808, 0x809, 0x80a, 0x80b,
+    0x80c, 0x80d, 0x80e, 0x80f, 0x810, 0x811, 0x812, 0x813, 0x814,
+    0x815, 0x816, 0x817, 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, L'@',
+    0x80, 0x100, 0x200, 0x400, 0x800, 0x1000, 0x2000, 0x4000, 0x8000,
+    0x10000, 0x20000, 0x40000, 0x80000, 0x100000, 0x200000, 0x400000,
+    0x800000, 0x1000000, 0x2000000, 0x4000000, 0x8000000, 0x10000000,
+    0x20000000, 0x40000000, 0x0
+  };
+
+  const int_type*       ifrom_next;
+  int 			size = wcslen(i_lit);
+  ext_type* 		e_arr = new ext_type[size + 1];
+  ext_type* 		e_ref = new ext_type[size + 1];
+  memset(e_arr, 0xf0, size + 1);
+  memset(e_ref, 0xf0, size + 1);
+  ext_type*		eto_next;
+
+  locale 		loc ("en_US.UTF-8");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  // unshift
+  w_codecvt::state_type state01;
+  zero_state(state01);
+  result r1 = cvt->unshift(state01, e_arr, e_arr + size, eto_next);
+  VERIFY( r1 == codecvt_base::noconv );
+  VERIFY( !ext_traits::compare(e_arr, e_ref, size + 1) ); 
+  VERIFY( eto_next == e_arr );
+
+  for (int i = 0; i < size; ++i)
+    {
+      w_codecvt::state_type state02;
+      zero_state(state02);
+      cvt->out(state02, i_lit + i, i_lit + i + 1, ifrom_next, 
+	       e_arr, e_arr + size, eto_next);
+      memset(e_arr, 0xf0, size + 1);
+      result r2 = cvt->unshift(state02, e_arr, e_arr + size, eto_next);
+      VERIFY( r2 == codecvt_base::noconv );
+      VERIFY( !ext_traits::compare(e_arr, e_ref, size + 1) ); 
+      VERIFY( eto_next == e_arr );
+    }
+
+  delete [] e_arr;
+  delete [] e_ref;
+}
+
+int main ()
+{
+  test04();
+  return 0;
+}