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

   1 // 981208 bkoz test functionality of basic_stringbuf for char_type == wchar_t
   2
   3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
   4 // 2006, 2007
   5 // Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 2, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING.  If not, write to the Free
  20 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  21 // USA.
  22
  23 #include <sstream>
  24 #include <testsuite_hooks.h>
  25
  26 std::wstring str_01(L"mykonos. . . or what?");
  27 std::wstring str_02(L"paris, or sainte-maxime?");
  28 std::wstring str_03;
  29 std::wstringbuf strb_01(str_01);
  30 std::wstringbuf strb_02(str_02, std::ios_base::in);
  31 std::wstringbuf strb_03(str_03, std::ios_base::out);
  32
  33 // test overloaded virtual functions
  34 void test04()
  35 {
  36   bool test __attribute__((unused)) = true;
  37   std::streamoff                strmof_1(-1), strmof_2;
  38   typedef std::wstringbuf::int_type int_type;
  39   typedef std::wstringbuf::traits_type traits_type;
  40
  41   // GET
  42   strmof_1 = strb_01.in_avail();
  43   strmof_2 = strb_02.in_avail();
  44   strmof_1 = strb_03.in_avail();
  45
  46   strb_01.sbumpc();
  47   strb_02.sbumpc();
  48   strb_01.sbumpc();
  49   strb_02.sbumpc();
  50   int_type c5 = strb_03.sbumpc();
  51
  52   // int_type sgetc()
  53   // if read_cur not avail, return uflow(), else return *read_cur
  54   int_type c6 = strb_01.sgetc();
  55   int_type c7 = strb_02.sgetc();
  56   int_type c8 = strb_01.sgetc();
  57   int_type c9 = strb_02.sgetc();
  58   c5 = strb_03.sgetc();
  59
  60   // int_type snextc()
  61   // calls sbumpc and if sbumpc != eof, return sgetc
  62   c6 = strb_01.snextc();
  63   c7 = strb_02.snextc();
  64   VERIFY( c6 != c8 );
  65   VERIFY( c7 != c9 );
  66   VERIFY( c6 == traits_type::to_int_type(str_01[3]) );
  67   VERIFY( c7 == traits_type::to_int_type(str_02[3]) ); //should equal fourth letter at this point
  68   c5 = strb_03.snextc();
  69   VERIFY( c5 == traits_type::eof() );
  70 }
  71
  72 int main()
  73 {
  74   test04();
  75   return 0;
  76 }
  77
  78
  79
  80 // more candy!!!