Add wchar_t counterparts of the basic_stringbuf<char> tests.

2004-07-09  Paolo Carlini  <pcarlini@suse.de>

	Add wchar_t counterparts of the basic_stringbuf<char> tests.
	* testsuite/27_io/basic_stringbuf/imbue/wchar_t/1.cc, 9322.cc: New.
	* testsuite/27_io/basic_stringbuf/in_avail/wchar_t/1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/overflow/wchar_t/1.cc, 2.cc,
	3599.cc, 9988.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/sbumpc/wchar_t/1.cc, 9825.cc:
	Likewise.
	* testsuite/27_io/basic_stringbuf/seekoff/wchar_t/1.cc, 2.cc:
	Likewise.
	* testsuite/27_io/basic_stringbuf/seekoff/wchar_t/1.cc, 2.cc, 3.cc:
	Likewise.
	* testsuite/27_io/basic_stringbuf/setbuf/wchar_t/1.cc, 2.cc, 3.cc:
	Likewise.
	* testsuite/27_io/basic_stringbuf/sgetc/wchar_t/1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/sgetn/wchar_t/1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/snextc/wchar_t/1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/sputbackc/wchar_t/1.cc, 9425.cc:
	Likewise.
	* testsuite/27_io/basic_stringbuf/sputc/wchar_t/1.cc, 1057.cc,
	9404-1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/sputn/wchar_t/1.cc, 1057.cc,
	9404-2.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/str/wchar_t/1.cc, 2.cc, 3.cc,
	3955.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/sungetc/wchar_t/1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/sync/wchar_t/1057.cc: Likewise.

From-SVN: r84405

libstdc++-v3/ChangeLog

+2004-07-09  Paolo Carlini  <pcarlini@suse.de>
+
+	Add wchar_t counterparts of the basic_stringbuf<char> tests.
+	* testsuite/27_io/basic_stringbuf/imbue/wchar_t/1.cc, 9322.cc: New.
+	* testsuite/27_io/basic_stringbuf/in_avail/wchar_t/1.cc: Likewise.
+	* testsuite/27_io/basic_stringbuf/overflow/wchar_t/1.cc, 2.cc,
+	3599.cc, 9988.cc: Likewise.
+	* testsuite/27_io/basic_stringbuf/sbumpc/wchar_t/1.cc, 9825.cc:
+	Likewise.
+	* testsuite/27_io/basic_stringbuf/seekoff/wchar_t/1.cc, 2.cc:
+	Likewise.
+	* testsuite/27_io/basic_stringbuf/seekoff/wchar_t/1.cc, 2.cc, 3.cc:
+	Likewise.
+	* testsuite/27_io/basic_stringbuf/setbuf/wchar_t/1.cc, 2.cc, 3.cc:
+	Likewise.
+	* testsuite/27_io/basic_stringbuf/sgetc/wchar_t/1.cc: Likewise.
+	* testsuite/27_io/basic_stringbuf/sgetn/wchar_t/1.cc: Likewise.
+	* testsuite/27_io/basic_stringbuf/snextc/wchar_t/1.cc: Likewise.
+	* testsuite/27_io/basic_stringbuf/sputbackc/wchar_t/1.cc, 9425.cc:
+	Likewise.
+	* testsuite/27_io/basic_stringbuf/sputc/wchar_t/1.cc, 1057.cc,
+	9404-1.cc: Likewise.
+	* testsuite/27_io/basic_stringbuf/sputn/wchar_t/1.cc, 1057.cc,
+	9404-2.cc: Likewise.
+	* testsuite/27_io/basic_stringbuf/str/wchar_t/1.cc, 2.cc, 3.cc,
+	3955.cc: Likewise.
+	* testsuite/27_io/basic_stringbuf/sungetc/wchar_t/1.cc: Likewise.
+	* testsuite/27_io/basic_stringbuf/sync/wchar_t/1057.cc: Likewise.
+
 2004-07-08  Paolo Carlini  <pcarlini@suse.de>
 
 	* include/bits/gslice.h: Trivial formatting fixes.

libstdc++-v3/testsuite/27_io/basic_stringbuf/imbue/wchar_t/1.cc

+// 981208 bkoz test functionality of basic_stringbuf for char_type == wchar_t
+
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+// Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+std::wstring str_01(L"mykonos. . . or what?");
+std::wstringbuf strb_01(str_01);
+
+// test the streambuf/stringbuf locale settings
+void test02() 
+{
+  std::locale loc_c = std::locale::classic();
+  loc_c = strb_01.getloc();
+  strb_01.pubimbue(loc_c); //This should initialize _M_init to true
+  std::locale loc_tmp = strb_01.getloc(); 
+  VERIFY( loc_tmp == loc_c );
+}
+
+int main()
+{
+  test02();
+  return 0;
+}
+
+
+
+// more candy!!!

libstdc++-v3/testsuite/27_io/basic_stringbuf/imbue/wchar_t/9322.cc

+// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+// 27.7.1.3 Overridden virtual functions
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+// libstdc++/9322
+void test03()
+{
+  using std::locale;
+  bool test __attribute__((unused)) = true;
+
+  locale loc =  std::locale::classic();
+  std::wstringbuf ob;
+  VERIFY( ob.getloc() == loc );
+
+  locale::global(__gnu_test::try_named_locale("en_US"));
+  VERIFY( ob.getloc() == loc );
+
+  locale loc_de = __gnu_test::try_named_locale("de_DE");
+  locale ret = ob.pubimbue(loc_de);
+  VERIFY( ob.getloc() == loc_de );
+  VERIFY( ret == loc );
+
+  locale::global(loc);
+  VERIFY( ob.getloc() == loc_de );
+}
+
+int main() 
+{
+  using namespace std;
+  test03();
+  return 0;
+}

libstdc++-v3/testsuite/27_io/basic_stringbuf/in_avail/wchar_t/1.cc

+// 981208 bkoz test functionality of basic_stringbuf for char_type == wchar_t
+
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+// Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+std::wstring str_01(L"mykonos. . . or what?");
+std::wstring str_02(L"paris, or sainte-maxime?");
+std::wstring str_03;
+std::wstringbuf strb_01(str_01);
+std::wstringbuf strb_02(str_02, std::ios_base::in);
+std::wstringbuf strb_03(str_03, std::ios_base::out);
+
+// test overloaded virtual functions
+void test04() 
+{
+  bool test __attribute__((unused)) = true;
+  std::wstring 		str_tmp;
+  std::wstringbuf 		strb_tmp;
+  std::streamoff  		strmof_1(-1), strmof_2;
+  typedef std::wstringbuf::int_type int_type;
+  typedef std::wstringbuf::traits_type traits_type;
+  typedef std::wstringbuf::pos_type pos_type;
+  typedef std::wstringbuf::off_type off_type;
+
+  // GET
+  // int in_avail()
+  strmof_1 = strb_01.in_avail();
+  strmof_2 = strb_02.in_avail();
+  VERIFY( strmof_1 != strmof_2 );
+  VERIFY( strmof_1 == static_cast<std::streamoff>(str_01.length()) );
+  VERIFY( strmof_2 == static_cast<std::streamoff>(str_02.length()) );
+  strmof_1 = strb_03.in_avail(); 
+  // zero cuz write-only, or eof()? zero, from showmany
+  VERIFY( strmof_1 == 0 ); 
+}
+
+int main()
+{
+  test04();
+  return 0;
+}
+
+
+
+// more candy!!!

libstdc++-v3/testsuite/27_io/basic_stringbuf/overflow/wchar_t/1.cc

+// 2004-07-07  Paolo Carlini  <pcarlini@suse.de>
+
+// Copyright (C) 2004 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+// 27.7.1.3 basic_stringbuf overridden virtual functions.
+
+#include <sstream>
+#include <cstdlib>
+#include <testsuite_hooks.h>
+
+using namespace std;
+
+wstring
+data(unsigned len)
+{
+  wstring ret;
+  for (unsigned i = 0; i < len; ++i)
+    ret.push_back(L'a' + rand() % 26);
+  return ret;
+}
+
+void
+test01(unsigned iter)
+{
+  bool test __attribute__((unused)) = true;
+
+  for (unsigned n = 1; n <= iter; n *= 10)
+    {
+      const wstring str = data(n);
+      wstringbuf sstr;
+      for (unsigned i = 0; i < n; ++i)
+	sstr.sputc(str[i]);
+      VERIFY( str == sstr.str() );
+    }
+}
+
+int main()
+{
+  test01(10000000);
+  return 0;
+}

libstdc++-v3/testsuite/27_io/basic_stringbuf/overflow/wchar_t/2.cc

+// 1999-10-11 bkoz
+
+// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004
+// Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+// 27.5.2 template class basic_streambuf
+
+#include <sstream>
+#include <ostream>
+#include <testsuite_hooks.h>
+
+// test03
+// http://gcc.gnu.org/ml/libstdc++/2000-q1/msg00151.html
+template<typename charT, typename traits = std::char_traits<charT> >
+  class basic_nullbuf : public std::basic_stringbuf<charT, traits>
+  {
+  protected:
+    typedef typename
+      std::basic_stringbuf<charT, traits>::int_type int_type;
+    virtual int_type 
+    overflow(int_type c) 
+    {  return traits::not_eof(c); }
+  };
+
+typedef basic_nullbuf<wchar_t> nullbuf;
+
+template<typename T>
+  wchar_t
+  print(const T& x) 
+  {
+   nullbuf ob;
+   std::wostream out(&ob); 
+   out << x << std::endl;
+   return (!out ? L'0' : L'1');
+ }
+
+void test03() 
+{
+  bool test __attribute__((unused)) = true;
+  const std::wstring control01(L"11111");
+  std::wstring test01;
+
+  test01 += print(true);
+  test01 += print(3.14159);
+  test01 += print(10);
+  test01 += print(L'x');
+  test01 += print(L"pipo");
+
+  VERIFY( test01 == control01 );
+}
+
+int main() 
+{
+  test03();
+  return 0;
+}

libstdc++-v3/testsuite/27_io/basic_stringbuf/overflow/wchar_t/3599.cc

+// 1999-10-11 bkoz
+
+// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004
+// Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#include <sstream>
+#include <ostream>
+#include <testsuite_hooks.h>
+
+// libstdc++/3599
+class testbuf : public std::wstringbuf
+{
+public:
+  typedef std::wstringbuf::traits_type traits_type;
+
+  testbuf() : std::wstringbuf() { }
+ 
+protected:
+  int_type 
+  overflow(int_type c __attribute__((unused)) = traits_type::eof()) 
+  { return traits_type::not_eof(0); }
+};
+
+void
+test07()
+{
+  bool test __attribute__((unused)) = true;
+  testbuf ob;
+  std::wostream out(&ob); 
+
+  out << L"gasp";
+  VERIFY(out.good());
+
+  out << std::endl;
+  VERIFY(out.good());
+}
+
+int main() 
+{
+  test07();
+  return 0;
+}

libstdc++-v3/testsuite/27_io/basic_stringbuf/overflow/wchar_t/9988.cc

+// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+// 27.8.1.4 Overridden virtual functions
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+class OverBuf : public std::wstringbuf
+{
+public:
+  int_type pub_overflow(int_type c = traits_type::eof())
+  { return std::wstringbuf::overflow(c); }
+};
+
+// libstdc++/9988
+// filebuf::overflow writes EOF to file
+void test15()
+{
+  using namespace std;
+  bool test __attribute__((unused)) = true;
+  
+  OverBuf sb;
+
+  sb.sputc(L'a');
+  sb.pub_overflow(L'b');
+  sb.pub_overflow();
+  sb.sputc(L'c');
+
+  wstringbuf sbin(sb.str(), ios_base::in);
+  wstringbuf::int_type c;
+  c = sbin.sbumpc();
+  VERIFY( c == L'a' );
+  c = sbin.sbumpc();
+  VERIFY( c == L'b' );
+  c = sbin.sbumpc();
+  VERIFY( c == L'c' );
+  c = sbin.sbumpc();
+  VERIFY( c == wstringbuf::traits_type::eof() );
+}
+
+int main() 
+{
+  test15();
+  return 0;
+}

libstdc++-v3/testsuite/27_io/basic_stringbuf/sbumpc/wchar_t/1.cc

+// 981208 bkoz test functionality of basic_stringbuf for char_type == wchar_t
+
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+// Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+std::wstring str_01(L"mykonos. . . or what?");
+std::wstring str_02(L"paris, or sainte-maxime?");
+std::wstring str_03;
+std::wstringbuf strb_01(str_01);
+std::wstringbuf strb_02(str_02, std::ios_base::in);
+std::wstringbuf strb_03(str_03, std::ios_base::out);
+
+// test overloaded virtual functions
+void test04() 
+{
+  bool test __attribute__((unused)) = true;
+  std::wstring 		str_tmp;
+  std::wstringbuf 		strb_tmp;
+  std::streamoff  		strmof_1(-1), strmof_2;
+  typedef std::wstringbuf::int_type int_type;
+  typedef std::wstringbuf::traits_type traits_type;
+  typedef std::wstringbuf::pos_type pos_type;
+  typedef std::wstringbuf::off_type off_type;
+
+  // GET
+  strmof_1 = strb_01.in_avail();
+  strmof_2 = strb_02.in_avail();
+  strmof_1 = strb_03.in_avail(); 
+
+  // int_type sbumpc()
+  // if read_cur not avail, return uflow(), else return *read_cur & increment
+  int_type c1 = strb_01.sbumpc();
+  int_type c2 = strb_02.sbumpc();
+  VERIFY( c1 != c2 );
+  VERIFY( c1 == str_01[0] );
+  VERIFY( c2 == str_02[0] ); //should equal first letter at this point
+  int_type c3 = strb_01.sbumpc();
+  int_type c4 = strb_02.sbumpc();
+  VERIFY( c1 != c2 );
+  VERIFY( c1 != c3 );
+  VERIFY( c2 != c4 );
+  int_type c5 = strb_03.sbumpc();
+  VERIFY( c5 == traits_type::eof() );
+}
+
+int main()
+{
+  test04();
+  return 0;
+}
+
+
+
+// more candy!!!

libstdc++-v3/testsuite/27_io/basic_stringbuf/sbumpc/wchar_t/9825.cc

+// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+// 27.8.1.4 Overridden virtual functions
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+// libstdc++/9825
+// filebuf::sputbackc breaks sbumpc
+void test12()
+{
+  using namespace std;
+  bool test __attribute__((unused)) = true;
+
+  wstringbuf sbuf;
+  sbuf.sputn(L"crazy bees!", 11);
+  sbuf.pubseekoff(0, ios_base::beg);
+  sbuf.sbumpc();
+  sbuf.sputbackc(L'x');
+  stringbuf::int_type c = sbuf.sbumpc();
+  VERIFY( c == L'x' );
+  c = sbuf.sbumpc();
+  VERIFY( c == L'r' );
+  c = sbuf.sbumpc();
+  VERIFY( c == L'a' );
+}
+
+int main() 
+{
+  test12();
+  return 0;
+}

libstdc++-v3/testsuite/27_io/basic_stringbuf/seekoff/wchar_t/1.cc

+// 981208 bkoz test functionality of basic_stringbuf for char_type == wchar_t
+
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+// Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+std::wstring str_01(L"mykonos. . . or what?");
+std::wstring str_02(L"paris, or sainte-maxime?");
+std::wstring str_03;
+std::wstringbuf strb_01(str_01);
+std::wstringbuf strb_02(str_02, std::ios_base::in);
+std::wstringbuf strb_03(str_03, std::ios_base::out);
+
+// test overloaded virtual functions
+void test04() 
+{
+  bool test __attribute__((unused)) = true;
+  std::wstring 		str_tmp;
+  std::wstringbuf 		strb_tmp;
+  std::streamsize 		strmsz_1, strmsz_2;
+  typedef std::wstringbuf::int_type int_type;
+  typedef std::wstringbuf::traits_type traits_type;
+  typedef std::wstringbuf::pos_type pos_type;
+  typedef std::wstringbuf::off_type off_type;
+
+  int_type c1 = strb_01.sbumpc();
+  int_type c2 = strb_02.sbumpc();
+  int_type c3 = strb_01.sbumpc();
+
+  // PUT
+  strb_03.str(str_01); //reset
+  
+  // BUFFER MANAGEMENT & POSITIONING
+
+  // seekoff
+  // pubseekoff(off_type off, ios_base::seekdir way, ios_base::openmode which)
+  // alters the stream position to off
+  pos_type pt_1(off_type(-1));
+  pos_type pt_2(off_type(0));
+  off_type off_1 = 0;
+  off_type off_2 = 0;
+  strb_01.str(str_01); //in|out ("mykonos. . . or what?");
+  strb_02.str(str_02); //in ("paris, or sainte-maxime?");
+  strb_03.str(str_03); //out ("")
+  //IN|OUT
+  //beg
+  pt_1 = strb_01.pubseekoff(2, std::ios_base::beg);
+  off_1 = off_type(pt_1);
+  VERIFY( off_1 >= 0 );
+  c1 = strb_01.snextc(); //current in pointer +1
+  VERIFY( c1 == L'o' );
+  c2 = strb_01.sputc(L'x');  //test current out pointer
+  str_tmp = std::wstring(L"myxonos. . . or what?");
+  VERIFY( strb_01.str() == str_tmp );
+  //cur
+  pt_1 = strb_01.pubseekoff(2, std::ios_base::cur);
+  off_1 = off_type(pt_1);
+  VERIFY( off_1 == -1 ); // can't seekoff for in and out + cur in sstreams
+  pt_1 = strb_01.pubseekoff(2, std::ios_base::cur, std::ios_base::in);
+  off_1 = off_type(pt_1);
+  pt_2 = strb_01.pubseekoff(2, std::ios_base::cur, std::ios_base::in);
+  off_2 = off_type(pt_2);
+  VERIFY( off_2 == off_1 + 2 );
+  c1 = strb_01.snextc(); //current in pointer + 1
+  VERIFY( c1 == L' ' );
+  c2 = strb_01.sputc(L'x');  //test current out pointer
+  str_tmp = std::wstring(L"myxxnos. . . or what?");
+  VERIFY( strb_01.str() == str_tmp );
+  //end
+  pt_2 = strb_01.pubseekoff(2, std::ios_base::end);
+  off_1 = off_type(pt_2);
+  VERIFY( off_1 == -1 ); // not a valid position
+  VERIFY( strb_01.str() == str_tmp );
+  // end part two (from the filebuf tests)
+  strb_01.pubseekoff(0, std::ios_base::end);
+  strmsz_1 = strb_01.in_avail(); // 0 cuz at the end
+  c1 = strb_01.sgetc(); 
+  c2 = strb_01.sungetc();
+  strmsz_2 = strb_01.in_avail(); // 1
+  c3 = strb_01.sgetc();
+  VERIFY( c1 != c2 );
+  VERIFY( strmsz_2 != strmsz_1 );
+  VERIFY( strmsz_2 == 1 );
+  // end part three
+  strmsz_1 = strb_01.str().size();
+  strmsz_2 = strb_01.sputn(L" ravi shankar meets carlos santana in LoHa", 90);
+  strb_01.pubseekoff(0, std::ios_base::end);
+  strb_01.sputc(L'<');
+  str_tmp = strb_01.str();
+  VERIFY(static_cast<std::streamsize>(str_tmp.size()) == strmsz_1 + strmsz_2 + 1);
+  // IN
+  // OUT
+}
+
+int main()
+{
+  test04();
+  return 0;
+}
+
+
+
+// more candy!!!

libstdc++-v3/testsuite/27_io/basic_stringbuf/seekoff/wchar_t/2.cc

+// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+// 27.7.1.3 Overridden virtual functions
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+void test02(std::wstringbuf& in, bool pass)
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std;
+  typedef wstreambuf::pos_type pos_type;
+  typedef wstreambuf::off_type off_type;
+  pos_type bad = pos_type(off_type(-1));
+  pos_type p = 0;
+
+  // seekoff
+  p = in.pubseekoff(0, ios_base::beg, ios_base::in);
+  if (pass)
+    VERIFY( p != bad );
+
+  p = in.pubseekoff(0, ios_base::beg, ios_base::out); 
+  VERIFY( p == bad );
+
+  p = in.pubseekoff(0, ios_base::beg); 
+  VERIFY( p == bad );
+}
+
+int main() 
+{
+  using namespace std;
+
+  // movie star, submarine scientist!
+  wstringbuf in1(L"Hedy Lamarr", ios_base::in);
+  wstringbuf in2(ios_base::in);
+  wstringbuf in3(L"", ios_base::in);
+  test02(in1, true);
+  test02(in2, false);
+  test02(in3, false);
+  return 0;
+}

libstdc++-v3/testsuite/27_io/basic_stringbuf/seekpos/wchar_t/1.cc

+// 981208 bkoz test functionality of basic_stringbuf for char_type == wchar_t
+
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+// Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+std::wstring str_01(L"mykonos. . . or what?");
+std::wstring str_02(L"paris, or sainte-maxime?");
+std::wstring str_03;
+std::wstringbuf strb_01(str_01);
+std::wstringbuf strb_02(str_02, std::ios_base::in);
+std::wstringbuf strb_03(str_03, std::ios_base::out);
+
+// test overloaded virtual functions
+void test04() 
+{
+  bool test __attribute__((unused)) = true;
+  std::wstring 		str_tmp;
+  std::wstringbuf 		strb_tmp;
+  typedef std::wstringbuf::int_type int_type;
+  typedef std::wstringbuf::traits_type traits_type;
+  typedef std::wstringbuf::pos_type pos_type;
+  typedef std::wstringbuf::off_type off_type;
+
+  int_type c1 = strb_01.sbumpc();
+  int_type c2 = strb_02.sbumpc();
+  int_type c3 = strb_01.sbumpc();
+
+  pos_type pt_1(off_type(-1));
+  pos_type pt_2(off_type(0));
+  off_type off_1 = 0;
+  off_type off_2 = 0;
+
+  // PUT
+  strb_03.str(str_01); //reset
+  
+  // BUFFER MANAGEMENT & POSITIONING
+
+  // seekpos
+  // pubseekpos(pos_type sp, ios_base::openmode)
+  // alters the stream position to sp
+  strb_01.str(str_01); //in|out ("mykonos. . . or what?");
+  strb_02.str(str_02); //in ("paris, or sainte-maxime?");
+  strb_03.str(str_03); //out ("")
+  //IN|OUT
+  //beg
+  pt_1 = strb_01.pubseekoff(2, std::ios_base::beg);
+  off_1 = off_type(pt_1);
+  VERIFY( off_1 >= 0 );
+  pt_1 = strb_01.pubseekoff(0, std::ios_base::cur, std::ios_base::out);
+  off_1 = off_type(pt_1);
+  c1 = strb_01.snextc(); //current in pointer +1
+  VERIFY( c1 == L'o' );
+  c2 = strb_01.sputc(L'x');  //test current out pointer
+  str_tmp = std::wstring(L"myxonos. . . or what?");
+  VERIFY( strb_01.str() == str_tmp );
+  strb_01.pubsync(); //resets pointers
+  pt_2 = strb_01.pubseekpos(pt_1, std::ios_base::in|std::ios_base::out);
+  off_2 = off_type(pt_2);
+  VERIFY( off_1 == off_2 );
+  c3 = strb_01.snextc(); //current in pointer +1
+  VERIFY( c1 == c3 );
+  c2 = strb_01.sputc(L'x');  //test current out pointer
+  str_tmp = std::wstring(L"myxonos. . . or what?");
+  VERIFY( strb_01.str() == str_tmp );
+}
+
+int main()
+{
+  test04();
+  return 0;
+}
+
+
+
+// more candy!!!

libstdc++-v3/testsuite/27_io/basic_stringbuf/seekpos/wchar_t/2.cc

+// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+// 27.7.1.3 Overridden virtual functions
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+void test02(std::wstringbuf& in, bool pass)
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std;
+  typedef wstreambuf::pos_type pos_type;
+  typedef wstreambuf::off_type off_type;
+  pos_type bad = pos_type(off_type(-1));
+  pos_type p = 0;
+
+  // seekpos
+  p = in.pubseekpos(0, ios_base::in);
+  if (pass)
+    VERIFY( p != bad );
+
+  p = in.pubseekpos(0, ios_base::out); 
+  VERIFY( p == bad );
+
+  p = in.pubseekpos(0); 
+  if (pass)
+    VERIFY( p != bad );
+}
+
+int main() 
+{
+  using namespace std;
+
+  // movie star, submarine scientist!
+  wstringbuf in1(L"Hedy Lamarr", ios_base::in);
+  wstringbuf in2(ios_base::in);
+  wstringbuf in3(L"", ios_base::in);
+  test02(in1, true);
+  test02(in2, false);
+  test02(in3, false);
+  return 0;
+}

libstdc++-v3/testsuite/27_io/basic_stringbuf/seekpos/wchar_t/3.cc

+// 2003-05-30  Paolo Carlini  <pcarlini@unitus.it>
+
+// Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+void test01() 
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std;
+  typedef wstringbuf::pos_type pos_type;
+  typedef wstringbuf::off_type off_type;
+
+  wstringbuf strb_01(ios_base::out);
+
+  strb_01.sputn(L"broken peak", 11);
+  pos_type pt_1 = strb_01.pubseekoff(0, ios_base::end, ios_base::out);
+
+  // In general, according to 27.7.1.3,14, the below has undefined
+  // behaviour since pt_1 + off_type(1) doesn't come from a
+  // previous pubseekpos or pubseekoff. However, given v3 implementation,
+  // this was useful to expose a bug in pubseekpos checks.
+  pos_type pt_2 = strb_01.pubseekpos(pt_1 + off_type(1), ios_base::out);
+  VERIFY( pt_2 == pos_type(off_type(-1)) );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}

libstdc++-v3/testsuite/27_io/basic_stringbuf/setbuf/wchar_t/1.cc

+// 981208 bkoz test functionality of basic_stringbuf for char_type == wchar_t
+
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+// Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+std::wstring str_01(L"mykonos. . . or what?");
+std::wstring str_02(L"paris, or sainte-maxime?");
+std::wstring str_03;
+std::wstringbuf strb_01(str_01);
+std::wstringbuf strb_02(str_02, std::ios_base::in);
+std::wstringbuf strb_03(str_03, std::ios_base::out);
+
+// test overloaded virtual functions
+void test04() 
+{
+  bool test __attribute__((unused)) = true;
+  std::wstring 		str_tmp;
+  std::wstringbuf 		strb_tmp;
+  typedef std::wstringbuf::int_type int_type;
+  typedef std::wstringbuf::traits_type traits_type;
+  typedef std::wstringbuf::pos_type pos_type;
+  typedef std::wstringbuf::off_type off_type;
+
+  // PUT
+  strb_03.str(str_01); //reset
+  
+  // BUFFER MANAGEMENT & POSITIONING
+  // setbuf
+  // pubsetbuf(char_type* s, streamsize n)
+  str_tmp = std::wstring(L"naaaah, go to cebu");
+  strb_01.pubsetbuf(const_cast<wchar_t*> (str_tmp.c_str()), str_tmp.size());
+  VERIFY( strb_01.str() == str_tmp );
+  strb_01.pubsetbuf(0,0);
+  VERIFY( strb_01.str() == str_tmp );
+}
+
+int main()
+{
+  test04();
+  return 0;
+}
+
+
+
+// more candy!!!

libstdc++-v3/testsuite/27_io/basic_stringbuf/setbuf/wchar_t/2.cc

+// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+// 27.8.1.4 Overridden virtual functions
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+void test01()
+{
+  using namespace std;
+
+  bool test __attribute__((unused)) = true;
+  wchar_t buf[512];
+  const wchar_t* strlit = L"how to tell a story and other essays: mark twain";
+  const size_t strlitsize = std::wcslen(strlit);
+  wstringbuf sbuf;
+
+  sbuf.pubsetbuf(buf, 512);
+  sbuf.sputn(strlit, strlitsize);
+  VERIFY( std::wcsncmp(strlit, buf, strlitsize) == 0 );
+}
+
+int main() 
+{
+  test01();
+  return 0;
+}

libstdc++-v3/testsuite/27_io/basic_stringbuf/setbuf/wchar_t/3.cc

+// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+// 27.8.1.4 Overridden virtual functions
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+void test02()
+{
+  using namespace std;
+
+  bool test __attribute__((unused)) = true;
+  wchar_t buf[512];
+  const wchar_t* strlit = L"how to tell a story and other essays: mark twain";
+  const size_t strlitsize = std::wcslen(strlit);
+  wstring s(L"tmp");
+  wstringbuf sbuf(s, ios_base::out);
+  sbuf.pubsetbuf(buf, strlitsize);
+  sbuf.sputn(strlit, strlitsize);
+  VERIFY( std::wcsncmp(strlit, buf, strlitsize) == 0 );
+}
+
+int main() 
+{
+  test02();
+  return 0;
+}

libstdc++-v3/testsuite/27_io/basic_stringbuf/sgetc/wchar_t/1.cc

+// 981208 bkoz test functionality of basic_stringbuf for char_type == wchar_t
+
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+// Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+std::wstring str_01(L"mykonos. . . or what?");
+std::wstring str_02(L"paris, or sainte-maxime?");
+std::wstring str_03;
+std::wstringbuf strb_01(str_01);
+std::wstringbuf strb_02(str_02, std::ios_base::in);
+std::wstringbuf strb_03(str_03, std::ios_base::out);
+
+// test overloaded virtual functions
+void test04() 
+{
+  bool test __attribute__((unused)) = true;
+  std::wstring 		str_tmp;
+  std::wstringbuf 		strb_tmp;
+  std::streamoff  		strmof_1(-1), strmof_2;
+  typedef std::wstringbuf::int_type int_type;
+  typedef std::wstringbuf::traits_type traits_type;
+  typedef std::wstringbuf::pos_type pos_type;
+  typedef std::wstringbuf::off_type off_type;
+
+  // GET
+  strmof_1 = strb_01.in_avail();
+  strmof_2 = strb_02.in_avail();
+  strmof_1 = strb_03.in_avail(); 
+
+  int_type c3 = strb_01.sbumpc();
+  int_type c4 = strb_02.sbumpc();
+  int_type c5 = strb_03.sbumpc();
+
+  // int_type sgetc()
+  // if read_cur not avail, return uflow(), else return *read_cur  
+  int_type c6 = strb_01.sgetc();
+  int_type c7 = strb_02.sgetc();
+  VERIFY( c6 != c3 );
+  VERIFY( c7 != c4 );
+  int_type c8 = strb_01.sgetc();
+  int_type c9 = strb_02.sgetc();
+  VERIFY( c6 == c8 );
+  VERIFY( c7 == c9 );
+  c5 = strb_03.sgetc();
+  VERIFY( c5 == traits_type::eof() );
+}
+
+int main()
+{
+  test04();
+  return 0;
+}
+
+
+
+// more candy!!!

libstdc++-v3/testsuite/27_io/basic_stringbuf/sgetn/wchar_t/1.cc

+// 981208 bkoz test functionality of basic_stringbuf for char_type == wchar_t
+
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+// Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+std::wstring str_01(L"mykonos. . . or what?");
+std::wstring str_02(L"paris, or sainte-maxime?");
+std::wstring str_03;
+std::wstringbuf strb_01(str_01);
+std::wstringbuf strb_02(str_02, std::ios_base::in);
+std::wstringbuf strb_03(str_03, std::ios_base::out);
+
+// test overloaded virtual functions
+void test04() 
+{
+  bool test __attribute__((unused)) = true;
+  std::wstring 		str_tmp;
+  std::wstringbuf 		strb_tmp;
+  std::streamsize 		strmsz_1, strmsz_2;
+  std::streamoff  		strmof_1(-1), strmof_2;
+  typedef std::wstringbuf::int_type int_type;
+  typedef std::wstringbuf::traits_type traits_type;
+  typedef std::wstringbuf::pos_type pos_type;
+  typedef std::wstringbuf::off_type off_type;
+
+  // GET
+  strmof_1 = strb_01.in_avail();
+  strmof_2 = strb_02.in_avail();
+  strmof_1 = strb_03.in_avail(); 
+
+  int_type c1 = strb_01.sbumpc();
+  int_type c2 = strb_02.sbumpc();
+  strb_01.sbumpc();
+  int_type c4 = strb_02.sbumpc();
+  int_type c5 = strb_03.sbumpc();
+
+  // int_type sgetc()
+  // if read_cur not avail, return uflow(), else return *read_cur  
+  int_type c6 = strb_01.sgetc();
+  int_type c7 = strb_02.sgetc();
+  strb_01.sgetc();
+  strb_02.sgetc();
+   c5 = strb_03.sgetc();
+
+  // int_type snextc()
+  // calls sbumpc and if sbumpc != eof, return sgetc
+  c6 = strb_01.snextc();
+  c7 = strb_02.snextc();
+  c5 = strb_03.snextc();
+
+  // streamsize sgetn(char_type *s, streamsize n)
+  // streamsize xsgetn(char_type *s, streamsize n)
+  // assign up to n chars to s from input sequence, indexing in_cur as
+  // approp and returning the number of chars assigned
+  strmsz_1 = strb_01.in_avail();
+  strmsz_2 = strb_02.in_avail();
+  test = strmsz_1 != strmsz_2;
+  VERIFY( strmsz_1 != static_cast<std::streamsize>(str_01.length()) );
+  // because now we've moved into string
+  VERIFY( strmsz_2 != static_cast<std::streamsize>(str_02.length()) ); 
+  wchar_t carray1[11] = L"";
+  strmsz_1 = strb_01.sgetn(carray1, 10);
+  wchar_t carray2[20] = L"";
+  strmsz_2 = strb_02.sgetn(carray2, 10);
+  VERIFY( strmsz_1 == strmsz_2 );
+  VERIFY( strmsz_1 == 10 );
+  c1 = strb_01.sgetc();
+  c2 = strb_02.sgetc();
+  VERIFY( c6 == c1 ); //just by co-incidence both o's
+  VERIFY( c7 != c2 ); // n != i
+  VERIFY( c1 == str_01[13] );
+  VERIFY( c2 == str_02[13] ); //should equal fourteenth letter at this point
+  strmsz_1 = strb_03.sgetn(carray1, 10);
+  VERIFY( !strmsz_1 ); //zero
+  strmsz_1 = strb_02.in_avail();
+  strmsz_2 = strb_02.sgetn(carray2, strmsz_1 + 5);
+  VERIFY( strmsz_1 == strmsz_2 ); //write off the end
+  c4 = strb_02.sgetc(); // should be EOF
+  VERIFY( c4 == traits_type::eof() );
+}
+
+int main()
+{
+  test04();
+  return 0;
+}
+
+
+
+// more candy!!!

libstdc++-v3/testsuite/27_io/basic_stringbuf/snextc/wchar_t/1.cc

+// 981208 bkoz test functionality of basic_stringbuf for char_type == wchar_t
+
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+// Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+std::wstring str_01(L"mykonos. . . or what?");
+std::wstring str_02(L"paris, or sainte-maxime?");
+std::wstring str_03;
+std::wstringbuf strb_01(str_01);
+std::wstringbuf strb_02(str_02, std::ios_base::in);
+std::wstringbuf strb_03(str_03, std::ios_base::out);
+
+// test overloaded virtual functions
+void test04() 
+{
+  bool test __attribute__((unused)) = true;
+  std::wstring 		str_tmp;
+  std::wstringbuf 		strb_tmp;
+  std::streamoff  		strmof_1(-1), strmof_2;
+  typedef std::wstringbuf::int_type int_type;
+  typedef std::wstringbuf::traits_type traits_type;
+  typedef std::wstringbuf::pos_type pos_type;
+  typedef std::wstringbuf::off_type off_type;
+
+  // GET
+  strmof_1 = strb_01.in_avail();
+  strmof_2 = strb_02.in_avail();
+  strmof_1 = strb_03.in_avail(); 
+
+  strb_01.sbumpc();
+  strb_02.sbumpc();
+  strb_01.sbumpc();
+  strb_02.sbumpc();
+  int_type c5 = strb_03.sbumpc();
+
+  // int_type sgetc()
+  // if read_cur not avail, return uflow(), else return *read_cur  
+  int_type c6 = strb_01.sgetc();
+  int_type c7 = strb_02.sgetc();
+  int_type c8 = strb_01.sgetc();
+  int_type c9 = strb_02.sgetc();
+  c5 = strb_03.sgetc();
+
+  // int_type snextc()
+  // calls sbumpc and if sbumpc != eof, return sgetc
+  c6 = strb_01.snextc();
+  c7 = strb_02.snextc();
+  VERIFY( c6 != c8 );
+  VERIFY( c7 != c9 );
+  VERIFY( c6 == str_01[3] );
+  VERIFY( c7 == str_02[3] ); //should equal fourth letter at this point
+  c5 = strb_03.snextc();
+  VERIFY( c5 == traits_type::eof() );
+}
+
+int main()
+{
+  test04();
+  return 0;
+}
+
+
+
+// more candy!!!

libstdc++-v3/testsuite/27_io/basic_stringbuf/sputbackc/wchar_t/1.cc

+// 981208 bkoz test functionality of basic_stringbuf for char_type == wchar_t
+
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+// Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+std::wstring str_01(L"mykonos. . . or what?");
+std::wstring str_02(L"paris, or sainte-maxime?");
+std::wstring str_03;
+std::wstringbuf strb_01(str_01);
+std::wstringbuf strb_02(str_02, std::ios_base::in);
+std::wstringbuf strb_03(str_03, std::ios_base::out);
+
+// test overloaded virtual functions
+void test04() 
+{
+  bool test __attribute__((unused)) = true;
+  std::wstring 		str_tmp, str_tmp2;
+  std::wstringbuf 		strb_tmp;
+  std::streamsize 		strmsz_1, strmsz_2;
+  typedef std::wstringbuf::int_type int_type;
+  typedef std::wstringbuf::traits_type traits_type;
+  typedef std::wstringbuf::pos_type pos_type;
+  typedef std::wstringbuf::off_type off_type;
+
+  int_type c1 = strb_01.sbumpc();
+  int_type c2 = strb_02.sbumpc();
+  int_type c3 = strb_01.sbumpc();
+  int_type c4 = strb_02.sbumpc();
+
+  // PUT
+  strb_03.str(str_01); //reset
+  std::wstring::size_type sz1 = strb_03.str().length();
+  std::wstring::size_type sz2 = strb_03.str().length();
+  
+  // streamsize sputn(const char_typs* s, streamsize n)
+  // write up to n chars to out_cur from s, returning number assigned
+  // NB *sputn will happily put '\0' into your stream if you give it a chance*
+  str_tmp = strb_03.str();
+  sz1 = str_tmp.length();
+  strmsz_1 = strb_03.sputn(L"racadabras", 10);//"abracadabras or what?"
+  sz2 = strb_03.str().length();
+  strmsz_2 = strb_03.sputn(L", i wanna reach out and", 10);
+  sz2 = strb_03.str().length();
+  str_tmp = strb_02.str();
+  strmsz_1 = strb_02.sputn(L"racadabra", 10);
+
+  // PUTBACK
+
+  // int_type sputbackc(char_type c)
+  // if in_cur not avail || ! traits::eq(c, gptr() [-1]), return pbfail
+  // otherwise decrements in_cur and returns *gptr()
+  strmsz_1 = strb_01.in_avail();
+  str_tmp = strb_01.str();
+  c1 = strb_01.sgetc(); //"mykonos. . . 'o'r what?"
+  c2 = strb_01.sputbackc(L'z');//"mykonos. . .zor what?"
+  c3 = strb_01.sgetc();
+  str_tmp2 = strb_01.str();
+  VERIFY( c1 != c2 );
+  VERIFY( c3 == c2 );
+  VERIFY( str_tmp2 == std::wstring(L"mzkonos. . . or what?") );
+  VERIFY( str_tmp.size() == str_tmp2.size() );
+  //test for _in_cur == _in_beg
+  strb_01.str(str_tmp);
+  strmsz_1 = strb_01.in_avail();
+  c1 = strb_01.sgetc(); //"'m'ykonos. . . or what?"
+  c2 = strb_01.sputbackc(L'z');//"mykonos. . . or what?"
+  c3 = strb_01.sgetc();
+  VERIFY( c1 != c2 );
+  VERIFY( c3 != c2 );
+  VERIFY( c1 == c3 );
+  VERIFY( c2 == traits_type::eof() );
+  VERIFY( strb_01.str() == str_tmp );
+  VERIFY( str_tmp.size() == strb_01.str().size() );
+  // test for replacing char with identical one
+  strb_01.str(str_01); //reset
+  strmsz_1 = strb_01.in_avail();
+  strb_01.sbumpc();
+  strb_01.sbumpc();
+  c1 = strb_01.sgetc(); //"my'k'onos. . . or what?"
+  c2 = strb_01.sputbackc(L'y');//"mykonos. . . or what?"
+  c3 = strb_01.sgetc();
+  VERIFY( c1 != c2 );
+  VERIFY( c3 == c2 );
+  VERIFY( c1 != c3 );
+  VERIFY( strb_01.str() == str_01 );
+  VERIFY( str_01.size() == strb_01.str().size() );
+  //test for ios_base::out
+  strmsz_2 = strb_03.in_avail();
+  c4 = strb_03.sputbackc(L'x');
+  VERIFY( c4 == traits_type::eof() );
+}
+
+int main()
+{
+  test04();
+  return 0;
+}
+
+
+
+// more candy!!!

libstdc++-v3/testsuite/27_io/basic_stringbuf/sputbackc/wchar_t/9425.cc

+// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+// 27.8.1.4 Overridden virtual functions
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+// libstdc++/9439, libstdc++/9425
+// basic_filebuf<>::pbackfail calls basic_filebuf<>::seekoff, but
+// fails to check the return value
+void test09()
+{
+  using namespace std;
+  bool test __attribute__((unused)) = true;
+
+  wstringbuf sbuf;
+  wstringbuf::int_type r = sbuf.sputbackc(L'a');
+  VERIFY( r == wstringbuf::traits_type::eof() );
+}
+
+int main() 
+{
+  test09();
+  return 0;
+}

libstdc++-v3/testsuite/27_io/basic_stringbuf/sputc/wchar_t/1.cc

+// 981208 bkoz test functionality of basic_stringbuf for char_type == wchar_t
+
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+// Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+std::wstring str_01(L"mykonos. . . or what?");
+std::wstring str_02(L"paris, or sainte-maxime?");
+std::wstring str_03;
+std::wstringbuf strb_01(str_01);
+std::wstringbuf strb_02(str_02, std::ios_base::in);
+std::wstringbuf strb_03(str_03, std::ios_base::out);
+
+// test overloaded virtual functions
+void test04() 
+{
+  bool test __attribute__((unused)) = true;
+  std::wstring 		str_tmp;
+  std::wstringbuf 		strb_tmp;
+  typedef std::wstringbuf::int_type int_type;
+  typedef std::wstringbuf::traits_type traits_type;
+  typedef std::wstringbuf::pos_type pos_type;
+  typedef std::wstringbuf::off_type off_type;
+
+  int_type c1 = strb_01.sbumpc();
+  int_type c2 = strb_02.sbumpc();
+  int_type c3 = strb_01.sbumpc();
+
+  // PUT
+  // int_type sputc(char_type c)
+  // if out_cur not avail, return overflow. Else, stores c at out_cur,
+  // increments out_cur, and returns c as int_type
+  strb_03.str(str_01); //reset
+  std::wstring::size_type sz1 = strb_03.str().length();
+  c1 = strb_03.sputc(L'a'); 
+  std::wstring::size_type sz2 = strb_03.str().length();
+  VERIFY( sz1 == sz2 ); //cuz inserting at out_cur, which is at beg to start
+  c2 = strb_03.sputc(L'b'); 
+  VERIFY( c1 != c2 );
+  VERIFY( strb_03.str() != str_01 );
+  c3 = strb_02.sputc(L'a'); // should be EOF because this is read-only
+  VERIFY( c3 == traits_type::eof() );
+}
+
+int main()
+{
+  test04();
+  return 0;
+}
+
+
+
+// more candy!!!

libstdc++-v3/testsuite/27_io/basic_stringbuf/sputc/wchar_t/1057.cc

+// 1999-10-11 bkoz
+
+// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004
+// Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+// 27.5.2 template class basic_streambuf
+
+#include <string>
+#include <sstream>
+#include <testsuite_hooks.h>
+
+class nullsetpbuf : public std::wstringbuf
+{
+  wchar_t foo[64];
+public:
+  nullsetpbuf()
+  {
+    setp(foo, foo + 64);
+    setp(NULL, NULL);
+  }
+};
+
+// libstdc++/1057
+void test05()
+{
+  std::wstring text1 = L"abcdefghijklmn";
+  
+  nullsetpbuf nsp;
+  // Immediate crash as sputc writes to null pointer
+  nsp.sputc(L'a');
+}
+
+int main() 
+{
+  test05();
+  return 0;
+}

libstdc++-v3/testsuite/27_io/basic_stringbuf/sputc/wchar_t/9404-1.cc

+// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+// 27.7.1.3 Overridden virtual functions
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+bool over_called;
+
+class Derived_stringbuf : public std::wstringbuf
+{
+public:
+  int_type overflow(int_type c)
+  {
+    over_called = true;
+    return std::wstringbuf::overflow(c);
+  }
+  
+  const char_type* pub_epptr() const
+  {
+    return epptr();
+  }
+  
+  const char_type* pub_pptr() const
+  {
+    return pptr();
+  }
+};
+
+// libstdc++/9404
+void test04()
+{
+  bool test __attribute__((unused)) = true;
+
+  bool over_expected;
+
+  // sputc
+  Derived_stringbuf dsbuf_01;
+  over_called = false;
+  dsbuf_01.sputc(L'i');
+  VERIFY( over_called );
+  over_expected = dsbuf_01.pub_epptr() == dsbuf_01.pub_pptr();
+  over_called = false;
+  dsbuf_01.sputc(L'v');
+  VERIFY( (!over_expected && !over_called)
+	  || (over_expected && over_called) );
+  dsbuf_01.sputc(L'i');
+  VERIFY( dsbuf_01.str() == L"ivi" ); // Sanity check.
+}
+
+int main() 
+{
+  test04();
+  return 0;
+}

libstdc++-v3/testsuite/27_io/basic_stringbuf/sputn/wchar_t/1.cc

+// 981208 bkoz test functionality of basic_stringbuf for char_type == wchar_t
+
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+// Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+std::wstring str_01(L"mykonos. . . or what?");
+std::wstring str_02(L"paris, or sainte-maxime?");
+std::wstring str_03;
+std::wstringbuf strb_01(str_01);
+std::wstringbuf strb_02(str_02, std::ios_base::in);
+std::wstringbuf strb_03(str_03, std::ios_base::out);
+
+// test overloaded virtual functions
+void test04() 
+{
+  bool test __attribute__((unused)) = true;
+  std::wstring 		str_tmp;
+  std::wstringbuf 		strb_tmp;
+  std::streamsize 		strmsz_1, strmsz_2;
+  typedef std::wstringbuf::int_type int_type;
+  typedef std::wstringbuf::traits_type traits_type;
+  typedef std::wstringbuf::pos_type pos_type;
+  typedef std::wstringbuf::off_type off_type;
+
+  // PUT
+  strb_03.str(str_01); //reset
+  std::wstring::size_type sz1 = strb_03.str().length();
+  std::wstring::size_type sz2 = strb_03.str().length();
+  
+  // streamsize sputn(const char_type* s, streamsize n)
+  // write up to n chars to out_cur from s, returning number assigned
+  // NB *sputn will happily put '\0' into your stream if you give it a chance*
+  str_tmp = strb_03.str();
+  sz1 = str_tmp.length();
+  strmsz_1 = strb_03.sputn(L"racadabras", 10);//"abracadabras or what?"
+  sz2 = strb_03.str().length();
+  VERIFY( sz1 == sz2 ); //shouldn't have changed length
+  VERIFY( strmsz_1 == 10 );
+  VERIFY( str_tmp != strb_03.str() );
+  strmsz_2 = strb_03.sputn(L", i wanna reach out and", 23);
+  VERIFY( strmsz_1 != strmsz_2 ); // should re-allocate, copy 10 chars.
+  VERIFY( strmsz_1 == 10 );
+  VERIFY( strmsz_2 == 23 );
+  sz2 = strb_03.str().length();
+  VERIFY( sz1 != sz2 ); // need to change length
+  VERIFY( str_tmp != strb_03.str() );
+  str_tmp = strb_02.str();
+  strmsz_1 = strb_02.sputn(L"racadabra", 10);
+  VERIFY( strmsz_1 == 0 );  
+  VERIFY( str_tmp == strb_02.str() );
+}
+
+int main()
+{
+  test04();
+  return 0;
+}
+
+
+
+// more candy!!!

libstdc++-v3/testsuite/27_io/basic_stringbuf/sputn/wchar_t/1057.cc

+// 1999-10-11 bkoz
+
+// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004
+// Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+// 27.5.2 template class basic_streambuf
+
+#include <string>
+#include <sstream>
+#include <testsuite_hooks.h>
+
+class nullsetpbuf : public std::wstringbuf
+{
+  wchar_t foo[64];
+public:
+  nullsetpbuf()
+  {
+    setp(foo, foo + 64);
+    setp(NULL, NULL);
+  }
+};
+
+// libstdc++/1057
+void test05()
+{
+  std::wstring text1 = L"abcdefghijklmn";
+  
+  nullsetpbuf nsp;
+  // Immediate crash as xsputn writes to null pointer
+  nsp.sputn(text1.c_str(), text1.length());
+}
+
+int main() 
+{
+  test05();
+  return 0;
+}

libstdc++-v3/testsuite/27_io/basic_stringbuf/sputn/wchar_t/9404-2.cc

+// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+// 27.7.1.3 Overridden virtual functions
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+bool over_called;
+
+class Derived_stringbuf : public std::wstringbuf
+{
+public:
+  int_type overflow(int_type c)
+  {
+    over_called = true;
+    return std::wstringbuf::overflow(c);
+  }
+  
+  const char_type* pub_epptr() const
+  {
+    return epptr();
+  }
+  
+  const char_type* pub_pptr() const
+  {
+    return pptr();
+  }
+};
+
+// libstdc++/9404
+void test04()
+{
+  bool test __attribute__((unused)) = true;
+
+  bool over_expected;
+  Derived_stringbuf dsbuf_01;
+
+  // sputn
+  Derived_stringbuf dsbuf_02;
+  over_called = false;
+  dsbuf_02.sputn(L"sonne's", 7);
+  VERIFY( over_called );
+  over_expected = dsbuf_02.pub_epptr() == dsbuf_02.pub_pptr();
+  over_called = false;
+  dsbuf_02.sputn(L" peak", 5);
+  VERIFY( (!over_expected && !over_called)
+	  || (over_expected && over_called) );
+  VERIFY( dsbuf_02.str() == L"sonne's peak" ); // Sanity check.
+}
+
+int main() 
+{
+  test04();
+  return 0;
+}

libstdc++-v3/testsuite/27_io/basic_stringbuf/str/wchar_t/1.cc

+// 981208 bkoz test functionality of basic_stringbuf for char_type == wchar_t
+
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+// Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+std::wstring str_01(L"mykonos. . . or what?");
+std::wstring str_02(L"paris, or sainte-maxime?");
+std::wstring str_03;
+std::wstringbuf strb_01(str_01);
+std::wstringbuf strb_02(str_02, std::ios_base::in);
+std::wstringbuf strb_03(str_03, std::ios_base::out);
+
+// test member functions
+void test03() 
+{
+  bool test __attribute__((unused)) = true;
+
+  // stringbuf::str()
+  VERIFY( strb_01.str() == str_01 );
+  VERIFY( strb_02.str() == str_02 );
+  VERIFY( strb_03.str() == str_03 );
+ 
+  // stringbuf::str(string&)
+  strb_03.str(L"none of the above, go to the oberoi in cairo, egypt.");
+  strb_03.str(str_01);
+  std::streamsize d1 = strb_01.in_avail();
+  std::streamsize d2 = strb_03.in_avail();
+  VERIFY( d1 ); // non-zero
+  VERIFY( !d2 ); // zero, cuz ios_base::out
+  VERIFY( d1 != d2 ); //these should be the same
+  VERIFY( static_cast<std::streamsize>(str_01.length()) == d1 );  
+  VERIFY( strb_01.str() == strb_03.str() ); //ditto
+
+  // stringbuf::str(string&) and stringbuf::stringbuf(string&), where the
+  // string in question contains embedded NUL characters.  Note that in this
+  // embedded-NUL situation, the size must be passed to the string ctor.
+  std::wstring str_nulls(L"eschew \0 obfuscation", 20);  // tested in 21_strings
+  std::wstringbuf strb_normal(str_01);
+  std::wstringbuf strb_nulls(str_nulls);
+  strb_normal.str(str_nulls);  // tried using 'strb_01' rather than declaring
+                               // another variable, but then test04 broke!
+  VERIFY( strb_nulls.in_avail() == static_cast<std::streamsize>(str_nulls.size())  );
+  VERIFY( strb_nulls.str().size() == 20 );
+  VERIFY( strb_normal.in_avail() == static_cast<std::streamsize>(str_nulls.size()) );
+}
+
+int main()
+{
+  test03();
+  return 0;
+}
+
+
+
+// more candy!!!

libstdc++-v3/testsuite/27_io/basic_stringbuf/str/wchar_t/2.cc

+// 981208 bkoz test functionality of basic_stringbuf for char_type == wchar_t
+
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+// Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+// http://gcc.gnu.org/ml/libstdc++/2003-02/msg00269.html
+// Growing and then seeking to ios_base::beg triggered a bug in str(),
+// which didn't notice the grow.
+void test07()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::wstringbuf strb_01;
+  strb_01.sputc(L's');
+  strb_01.pubseekoff(0, std::ios_base::beg);
+  std::wstring tmp = strb_01.str();
+  VERIFY( tmp == L"s" );
+
+  std::wstring str(L"strivi,");
+  std::wstringbuf strb_02(str);
+  strb_02.pubseekoff(0, std::ios_base::end);
+  strb_02.sputn(L" no better!", 11);
+  strb_02.pubseekoff(0, std::ios_base::beg);
+  tmp = strb_02.str();
+  VERIFY( tmp == L"strivi, no better!" );
+}
+
+int main()
+{
+  test07();
+  return 0;
+}
+
+
+
+// more candy!!!

libstdc++-v3/testsuite/27_io/basic_stringbuf/str/wchar_t/3.cc

+// 981208 bkoz test functionality of basic_stringbuf for char_type == wchar_t
+
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+// Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+void test06()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::wostringstream os (L"foo", std::ios_base::app);
+  os << L"bar";
+
+  VERIFY( os.str() == L"foobar" );
+}
+
+int main()
+{
+  test06();
+  return 0;
+}
+
+
+
+// more candy!!!

libstdc++-v3/testsuite/27_io/basic_stringbuf/str/wchar_t/3955.cc

+// 981208 bkoz test functionality of basic_stringbuf for char_type == wchar_t
+
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+// Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+// libstdc++/3955 -- ios_base::app overwrites from the beginning
+void test05()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::wostringstream os (L"foo");
+  os << L"bar";
+
+  VERIFY( os.str() == L"bar" );
+}
+
+int main()
+{
+  test05();
+  return 0;
+}
+
+
+
+// more candy!!!

libstdc++-v3/testsuite/27_io/basic_stringbuf/sungetc/wchar_t/1.cc

+// 981208 bkoz test functionality of basic_stringbuf for char_type == wchar_t
+
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+// Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+std::wstring str_01(L"mykonos. . . or what?");
+std::wstring str_02(L"paris, or sainte-maxime?");
+std::wstring str_03;
+std::wstringbuf strb_01(str_01);
+std::wstringbuf strb_02(str_02, std::ios_base::in);
+std::wstringbuf strb_03(str_03, std::ios_base::out);
+
+// test overloaded virtual functions
+void test04() 
+{
+  bool test __attribute__((unused)) = true;
+  std::wstring 		str_tmp;
+  std::wstringbuf 		strb_tmp;
+  std::streamsize 		strmsz_1, strmsz_2;
+  typedef std::wstringbuf::int_type int_type;
+  typedef std::wstringbuf::traits_type traits_type;
+  typedef std::wstringbuf::pos_type pos_type;
+  typedef std::wstringbuf::off_type off_type;
+
+  int_type c1 = strb_01.sbumpc();
+  int_type c2 = strb_02.sbumpc();
+  int_type c3 = strb_01.sbumpc();
+  int_type c4 = strb_02.sbumpc();
+
+  // PUT
+  strb_03.str(str_01); //reset
+  std::wstring::size_type sz1 = strb_03.str().length();
+  std::wstring::size_type sz2 = strb_03.str().length();
+  
+  // streamsize sputn(const char_typs* s, streamsize n)
+  // write up to n chars to out_cur from s, returning number assigned
+  // NB *sputn will happily put '\0' into your stream if you give it a chance*
+  str_tmp = strb_03.str();
+  sz1 = str_tmp.length();
+  strmsz_1 = strb_03.sputn(L"racadabras", 10);//"abracadabras or what?"
+  sz2 = strb_03.str().length();
+  strmsz_2 = strb_03.sputn(L", i wanna reach out and", 10);
+  sz2 = strb_03.str().length();
+  str_tmp = strb_02.str();
+  strmsz_1 = strb_02.sputn(L"racadabra", 10);
+
+  // PUTBACK
+
+  // int_type sputbackc(char_type c)
+  // if in_cur not avail || ! traits::eq(c, gptr() [-1]), return pbfail
+  // otherwise decrements in_cur and returns *gptr()
+  strmsz_1 = strb_01.in_avail();
+  str_tmp = strb_01.str();
+  c1 = strb_01.sgetc(); //"mykonos. . . 'o'r what?"
+  c2 = strb_01.sputbackc('z');//"mykonos. . .zor what?"
+  c3 = strb_01.sgetc();
+  //test for _in_cur == _in_beg
+  strb_01.str(str_tmp);
+  strmsz_1 = strb_01.in_avail();
+  c1 = strb_01.sgetc(); //"'m'ykonos. . . or what?"
+  c2 = strb_01.sputbackc(L'z');//"mykonos. . . or what?"
+  c3 = strb_01.sgetc();
+  // test for replacing char with identical one
+  strb_01.str(str_01); //reset
+  strmsz_1 = strb_01.in_avail();
+  strb_01.sbumpc();
+  strb_01.sbumpc();
+  c1 = strb_01.sgetc(); //"my'k'onos. . . or what?"
+  c2 = strb_01.sputbackc(L'y');//"mykonos. . . or what?"
+  c3 = strb_01.sgetc();
+  //test for ios_base::out
+  strmsz_2 = strb_03.in_avail();
+  c4 = strb_03.sputbackc(L'x');
+
+  // int_type sungetc()
+  // if in_cur not avail, return pbackfail(), else decrement and
+  // return to_int_type(*gptr())
+  for (int i = 0; i<12; ++i)
+    strb_01.sbumpc();
+  strmsz_1 = strb_01.in_avail();
+  str_tmp = strb_01.str();
+  c1 = strb_01.sgetc(); //"mykonos. . . 'o'r what?"
+  c2 = strb_01.sungetc();//"mykonos. . . or what?"
+  c3 = strb_01.sgetc();
+  VERIFY( c1 != c2 );
+  VERIFY( c3 == c2 );
+  VERIFY( c1 != c3 );
+  VERIFY( c2 == L' ' );
+  VERIFY( strb_01.str() == str_01 );
+  VERIFY( str_01.size() == strb_01.str().size() );
+  //test for _in_cur == _in_beg
+  strb_01.str(str_tmp);
+  strmsz_1 = strb_01.in_avail();
+  c1 = strb_01.sgetc(); //"'m'ykonos. . . or what?"
+  c2 = strb_01.sungetc();//"mykonos. . . or what?"
+  c3 = strb_01.sgetc();
+  VERIFY( c1 != c2 );
+  VERIFY( c3 != c2 );
+  VERIFY( c1 == c3 );
+  VERIFY( c2 == traits_type::eof() );
+  VERIFY( strb_01.str() == str_01 );
+  VERIFY( str_01.size() == strb_01.str().size() );
+  // test for replacing char with identical one
+  strb_01.str(str_01); //reset
+  strmsz_1 = strb_01.in_avail();
+  strb_01.sbumpc();
+  strb_01.sbumpc();
+  c1 = strb_01.sgetc(); //"my'k'onos. . . or what?"
+  c2 = strb_01.sungetc();//"mykonos. . . or what?"
+  c3 = strb_01.sgetc();
+  VERIFY( c1 != c2 );
+  VERIFY( c3 == c2 );
+  VERIFY( c1 != c3 );
+  VERIFY( strb_01.str() == str_01 );
+  VERIFY( str_01.size() == strb_01.str().size() );
+  //test for ios_base::out
+  strmsz_2 = strb_03.in_avail();
+  c4 = strb_03.sungetc();
+  VERIFY( c4 == traits_type::eof() );
+}
+
+int main()
+{
+  test04();
+  return 0;
+}
+
+
+
+// more candy!!!

libstdc++-v3/testsuite/27_io/basic_stringbuf/sync/wchar_t/1057.cc

+// 1999-10-11 bkoz
+
+// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004
+// Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 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.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+// 27.5.2 template class basic_streambuf
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+class setpbuf : public std::wstringbuf
+{
+  wchar_t 	buffer[4];
+  std::wstring 	result;
+
+public:
+
+  std::wstring&
+  get_result()
+  { return result; }
+
+  setpbuf()
+  {
+    wchar_t foo [32];
+    setp(foo, foo + 32);
+    setp(buffer, buffer + 4);
+  }
+
+  ~setpbuf()
+  { sync(); }
+
+  virtual int_type 
+  overflow(int_type n)
+  {
+    if (sync() != 0)
+      return traits_type::eof();
+    
+    result += traits_type::to_char_type(n);
+    
+    return n;
+  }
+  
+  virtual int 
+  sync()
+  {
+    result.append(pbase(), pptr());
+    setp(buffer, buffer + 4);
+    return 0;
+  }
+};
+
+// libstdc++/1057
+void test04()
+{
+  bool test __attribute__((unused)) = true;
+  std::wstring text = L"abcdefghijklmn";
+  
+  // 01
+  setpbuf sp1;
+  // Here xsputn writes over sp1.result
+  sp1.sputn(text.c_str(), text.length());
+
+  // This crashes when result is accessed
+  sp1.pubsync();
+  VERIFY( sp1.get_result() == text );
+  
+  // 02
+  setpbuf sp2;
+  for (std::wstring::size_type i = 0; i < text.length(); ++i)
+    {
+      // sputc also writes over result
+      sp2.sputc(text[i]);
+    }
+  
+  // Crash here
+  sp2.pubsync();
+  VERIFY( sp2.get_result() == text );
+}
+
+int main() 
+{
+  test04();
+  return 0;
+}