06.cc

Mac OS X 10.4.9 for x86 Source Code gcc 实现源代码

// Copyright (C) 2004 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.

// 27.6.1.2.2 arithmetic extractors

#include <istream>
#include <sstream>
#include <locale>
#include <testsuite_hooks.h>

// http://gcc.gnu.org/ml/libstdc++/2000-q1/msg00081.html
// Jim Parsons
void test06()
{
  // default locale, grouping is turned off
  bool test __attribute__((unused)) = true;
  unsigned int h4;
  wchar_t c;
  std::wstring s(L"205,199,144");
  std::wistringstream is(s);
  
  is >> h4; // 205
  VERIFY( h4 == 205 );
  is >> c; // L','
  VERIFY( c == L',' );

  is >> h4; // 199
  VERIFY( h4 == 199 );
  is >> c; // L','
  VERIFY( c == L',' );

  is >> h4; // 144
  VERIFY( is.rdstate() == std::ios_base::eofbit );
  VERIFY( h4 == 144 );
  is >> c; // EOF
  VERIFY( c == L',' );
  VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
}

int main()
{
  test06();
  return 0;
}