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

   1 // 981208 bkoz test functionality of basic_stringbuf for char_type == wchar_t
   2
   3 // Copyright (C) 1997-2014 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 #include <sstream>
  21 #include <testsuite_hooks.h>
  22
  23 std::wstring str_01(L"mykonos. . . or what?");
  24 std::wstring str_02(L"paris, or sainte-maxime?");
  25 std::wstring str_03;
  26 std::wstringbuf strb_01(str_01);
  27 std::wstringbuf strb_02(str_02, std::ios_base::in);
  28 std::wstringbuf strb_03(str_03, std::ios_base::out);
  29
  30 // test overloaded virtual functions
  31 void test04()
  32 {
  33   bool test __attribute__((unused)) = true;
  34   std::streamoff                strmof_1(-1), strmof_2;
  35
  36   // GET
  37   // int in_avail()
  38   strmof_1 = strb_01.in_avail();
  39   strmof_2 = strb_02.in_avail();
  40   VERIFY( strmof_1 != strmof_2 );
  41   VERIFY( strmof_1 == static_cast<std::streamoff>(str_01.length()) );
  42   VERIFY( strmof_2 == static_cast<std::streamoff>(str_02.length()) );
  43   strmof_1 = strb_03.in_avail();
  44   // zero cuz write-only, or eof() to match basic_filebuf
  45   VERIFY( strmof_1 == -1 );
  46 }
  47
  48 int main()
  49 {
  50   test04();
  51   return 0;
  52 }
  53
  54
  55
  56 // more candy!!!