hash_resize_neg.cc

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// { dg-do compile }
// -*- C++ -*-

// Copyright (C) 2005 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// 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.

// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.

// Permission to use, copy, modify, sell, and distribute this software
// is hereby granted without fee, provided that the above copyright
// notice appears in all copies, and that both that copyright notice and
// this permission notice appear in supporting documentation. None of
// the above authors, nor IBM Haifa Research Laboratories, make any
// representation about the suitability of this software for any
// purpose. It is provided "as is" without express or implied warranty.

/**
 * @file hash_bad_resize_example.cpp
 * An example showing how *not* to resize a hash-based container.
 */

// For cc_hash_assoc_cntnr
#include <ext/pb_assoc/assoc_cntnr.hpp>
// For assert
#include <cassert>

int
main()
{
  /*
   * A collision-chaining hash table mapping ints to chars.
   */
  typedef pb_assoc::cc_hash_assoc_cntnr< int, char> map_t;

  // An map_t object.
  map_t h;

  /*
   * Following line won't compile. The resize policy needs to be configured
   *to allow external resize (by default, this is not available).
   */
  h.resize(20); 
}

// { dg-error "instantiated" "" { target *-*-* } 66 }
// { dg-error "no matching function" "" { target *-*-* } 263 }
// { dg-error "candidates are" "" { target *-*-* } 261 }
// { dg-error "void" "" { target *-*-* } 269 }
// { dg-excess-errors "" { target *-*-* } }