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, 2009, 2010
   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 3, 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 COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 #include <sstream>
  23 #include <testsuite_hooks.h>
  24
  25 std::wstring str_01(L"mykonos. . . or what?");
  26 std::wstring str_02(L"paris, or sainte-maxime?");
  27 std::wstring str_03;
  28 std::wstringbuf strb_01(str_01);
  29 std::wstringbuf strb_02(str_02, std::ios_base::in);
  30 std::wstringbuf strb_03(str_03, std::ios_base::out);
  31
  32 // test overloaded virtual functions
  33 void test04()
  34 {
  35   bool test __attribute__((unused)) = true;
  36   typedef std::wstringbuf::int_type int_type;
  37   typedef std::wstringbuf::traits_type traits_type;
  38
  39   // GET
  40   strb_01.in_avail();
  41   strb_02.in_avail();
  42   strb_03.in_avail();
  43
  44   strb_01.sbumpc();
  45   strb_02.sbumpc();
  46   strb_01.sbumpc();
  47   strb_02.sbumpc();
  48   int_type c5 = strb_03.sbumpc();
  49
  50   // int_type sgetc()
  51   // if read_cur not avail, return uflow(), else return *read_cur
  52   int_type c6 = strb_01.sgetc();
  53   int_type c7 = strb_02.sgetc();
  54   int_type c8 = strb_01.sgetc();
  55   int_type c9 = strb_02.sgetc();
  56   c5 = strb_03.sgetc();
  57
  58   // int_type snextc()
  59   // calls sbumpc and if sbumpc != eof, return sgetc
  60   c6 = strb_01.snextc();
  61   c7 = strb_02.snextc();
  62   VERIFY( c6 != c8 );
  63   VERIFY( c7 != c9 );
  64   VERIFY( c6 == traits_type::to_int_type(str_01[3]) );
  65   VERIFY( c7 == traits_type::to_int_type(str_02[3]) ); //should equal fourth letter at this point
  66   c5 = strb_03.snextc();
  67   VERIFY( c5 == traits_type::eof() );
  68 }
  69
  70 int main()
  71 {
  72   test04();
  73   return 0;
  74 }
  75
  76
  77
  78 // more candy!!!