libstdc++-v3/testsuite/27_io/basic_stringbuf/sbumpc/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, 2009
   4 // Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 #include <sstream>
  22 #include <testsuite_hooks.h>
  23
  24 std::wstring str_01(L"mykonos. . . or what?");
  25 std::wstring str_02(L"paris, or sainte-maxime?");
  26 std::wstring str_03;
  27 std::wstringbuf strb_01(str_01);
  28 std::wstringbuf strb_02(str_02, std::ios_base::in);
  29 std::wstringbuf strb_03(str_03, std::ios_base::out);
  30
  31 // test overloaded virtual functions
  32 void test04()
  33 {
  34   bool test __attribute__((unused)) = true;
  35   std::streamoff                strmof_1(-1), strmof_2;
  36   typedef std::wstringbuf::int_type int_type;
  37   typedef std::wstringbuf::traits_type traits_type;
  38
  39   // GET
  40   strmof_1 = strb_01.in_avail();
  41   strmof_2 = strb_02.in_avail();
  42   strmof_1 = strb_03.in_avail();
  43
  44   // int_type sbumpc()
  45   // if read_cur not avail, return uflow(), else return *read_cur & increment
  46   int_type c1 = strb_01.sbumpc();
  47   int_type c2 = strb_02.sbumpc();
  48   VERIFY( c1 != c2 );
  49   VERIFY( c1 == traits_type::to_int_type(str_01[0]) );
  50   VERIFY( c2 == traits_type::to_int_type(str_02[0]) ); //should equal first letter at this point
  51   int_type c3 = strb_01.sbumpc();
  52   int_type c4 = strb_02.sbumpc();
  53   VERIFY( c1 != c2 );
  54   VERIFY( c1 != c3 );
  55   VERIFY( c2 != c4 );
  56   int_type c5 = strb_03.sbumpc();
  57   VERIFY( c5 == traits_type::eof() );
  58 }
  59
  60 int main()
  61 {
  62   test04();
  63   return 0;
  64 }
  65
  66
  67
  68 // more candy!!!