old-autovect-branch/libstdc++-v3/testsuite/27_io/basic_istream/ws/wchar_t/1.cc

   1 // Copyright (C) 2004 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 2, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING.  If not, write to the Free
  16 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  17 // USA.
  18
  19 // 27.6.1.4 standard basic_istream manipulators
  20
  21 #include <istream>
  22 #include <sstream>
  23 #include <stdexcept>
  24 #include <testsuite_hooks.h>
  25
  26 void test01(void)
  27 {
  28   bool test __attribute__((unused)) = true;
  29
  30   const wchar_t str_lit01[] = L"  venice ";
  31   const std::wstring str01(L" santa barbara ");
  32   std::wstring str02(str_lit01);
  33   std::wstring str04;
  34   std::wstring str05;
  35   std::ios_base::iostate flag3, flag4, flag5;
  36
  37   // template<_CharT, _Traits>
  38   //  basic_istream<_CharT, _Traits>& ws(basic_istream<_Char, _Traits>& is)
  39   std::wistringstream iss01(str01);
  40   std::wistringstream iss02(str01);
  41
  42   iss01 >> str04;
  43   VERIFY( str04.size() != str01.size() );
  44   VERIFY( str04 == L"santa" );
  45
  46   iss02 >> std::ws;
  47   iss02 >> str05;
  48   VERIFY( str05.size() != str01.size() );
  49   VERIFY( str05 == L"santa" );
  50   VERIFY( str05 == str04 );
  51
  52   iss01 >> str04;
  53   VERIFY( str04.size() != str01.size() );
  54   VERIFY( str04 == L"barbara" );
  55
  56   iss02 >> std::ws;
  57   iss02 >> str05;
  58   VERIFY( str05.size() != str01.size() );
  59   VERIFY( str05 == L"barbara" );
  60   VERIFY( str05 == str04 );
  61
  62   flag3 = std::ios_base::eofbit;
  63   flag4 = std::ios_base::badbit;
  64   flag5 = std::ios_base::failbit;
  65   VERIFY( !iss01.fail() );
  66   VERIFY( !iss02.fail() );
  67   VERIFY( !iss01.eof() );
  68   VERIFY( !iss02.eof() );
  69
  70   iss01 >> std::ws;
  71   VERIFY( !iss01.fail() );
  72   VERIFY( iss01.eof() );
  73 }
  74
  75 int main()
  76 {
  77   test01();
  78   return 0;
  79 }