9858.cc

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

// Copyright (C) 2003 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.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

// 22.2.1.3 - ctype specializations [lib.facet.ctype.special]

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

int called;

class Derived : public std::ctype<char>
{
public:
  bool 
  do_is(mask, char_type) const { return true; }

  const char_type* 
  do_is(const char_type* lo, const char_type* hi, mask* vec) const 
  { return hi; }

  const char_type* 
  do_scan_is(mask m, const char_type* lo, const char_type* hi) const 
  { return hi; }

  const char_type* 
  do_scan_not(mask m, const char_type* lo, const char_type* hi) const 
  { return hi; }
};

class Derived2 : public Derived
{
public:
  bool 
  do_is(mask, char_type) const { called = 1; return true; }

  const char_type* 
  do_is(const char_type* lo, const char_type* hi, mask* vec) const 
  { called = 5; return hi; }

  const char_type* 
  do_scan_is(mask m, const char_type* lo, const char_type* hi) const 
  { called = 10; return hi; }

  const char_type* 
  do_scan_not(mask m, const char_type* lo, const char_type* hi) const 
  { called = 15; return hi; }
};

int main()
{
  using namespace std;
  bool test __attribute__((unused)) = true;
  Derived2 d2;
  const Derived& dr = d2;

  const char* lit = "jaylib champion sound";
  ctype_base::mask m00 = static_cast<std::ctype_base::mask>(0);
  ctype_base::mask vec[5];
  for (std::size_t i = 0; i < 5; ++i)
    vec[i] = m00;
 
  called = 0;
  dr.do_is(ctype_base::space, 'a');
  VERIFY( called !=  1);

  called = 0;
  dr.do_is(lit, lit + 5, vec);
  VERIFY( called !=  5);

  called = 0;
  dr.do_scan_is(ctype_base::space, lit, lit + 5);
  VERIFY( called !=  10);

  called = 0;
  dr.do_scan_not(ctype_base::space, lit, lit + 5);
  VERIFY( called !=  15);
  
  return 0;
}