libstdc++-v3/testsuite/util/regression/rand/assoc/detail/resize_fn_imps.hpp

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005, 2006 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 terms
   7 // of the GNU General Public License as published by the Free Software
   8 // Foundation; either version 2, or (at your option) any later
   9 // version.
  10
  11 // This library is distributed in the hope that it will be useful, but
  12 // WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 // General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License
  17 // along with this library; see the file COPYING.  If not, write to
  18 // the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
  19 // MA 02111-1307, USA.
  20
  21 // As a special exception, you may use this file as part of a free
  22 // software library without restriction.  Specifically, if other files
  23 // instantiate templates or use macros or inline functions from this
  24 // file, or you compile this file and link it with other files to
  25 // produce an executable, this file does not by itself cause the
  26 // resulting executable to be covered by the GNU General Public
  27 // License.  This exception does not however invalidate any other
  28 // reasons why the executable file might be covered by the GNU General
  29 // Public License.
  30
  31 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
  32
  33 // Permission to use, copy, modify, sell, and distribute this software
  34 // is hereby granted without fee, provided that the above copyright
  35 // notice appears in all copies, and that both that copyright notice
  36 // and this permission notice appear in supporting documentation. None
  37 // of the above authors, nor IBM Haifa Research Laboratories, make any
  38 // representation about the suitability of this software for any
  39 // purpose. It is provided "as is" without express or implied
  40 // warranty.
  41
  42 /**
  43  * @file resize_fn_imps.hpp
  44  * Containsert a random regression test for a specific container type.
  45  */
  46
  47 PB_DS_CLASS_T_DEC
  48 bool
  49 PB_DS_CLASS_C_DEC::
  50 resize()
  51 {
  52   typedef __gnu_pbds::detail::integral_constant<int, test_traits::resize> resize_ind;
  53
  54   return (resize_imp(resize_ind()));
  55 }
  56
  57 PB_DS_CLASS_T_DEC
  58 bool
  59 PB_DS_CLASS_C_DEC::
  60 resize_imp(__gnu_pbds::detail::false_type)
  61 {
  62   return (true);
  63 }
  64
  65 PB_DS_CLASS_T_DEC
  66 bool
  67 PB_DS_CLASS_C_DEC::
  68 resize_imp(__gnu_pbds::detail::true_type)
  69 {
  70   PB_DS_TRACE("resize");
  71
  72   bool done = true;
  73
  74   PB_DS_SET_DESTRUCT_PRINT
  75
  76     const size_t old_size =
  77     m_p_c->get_actual_size();
  78
  79   try
  80     {
  81       m_alloc.set_throw_prob(m_tp);
  82
  83       typename alloc_t::group_throw_prob_adjustor
  84         adjust(m_p_c->size());
  85
  86       enum
  87         {
  88           min_new_size = 200,
  89           max_new_size = 2000
  90         };
  91
  92       const size_t new_size =
  93         m_g.get_unsigned_long(min_new_size, max_new_size);
  94
  95       m_p_c->resize(new_size);
  96
  97       const size_t actual_new_size =
  98         m_p_c->get_actual_size();
  99
 100       PB_DS_THROW_IF_FAILED(
 101                             actual_new_size >= new_size,
 102                             static_cast<unsigned long>(actual_new_size) << " " <<
 103                             static_cast<unsigned long>(new_size),
 104                             m_p_c,
 105                             & m_native_c);
 106     }
 107   catch(...)
 108     {
 109       PB_DS_THROW_IF_FAILED(
 110                             m_p_c->get_actual_size() == old_size,
 111                             static_cast<unsigned long>(m_p_c->get_actual_size()) <<
 112                             " " << static_cast<unsigned long>(old_size),
 113                             m_p_c,
 114                             & m_native_c);
 115
 116       done = false;
 117     }
 118
 119   PB_DS_COND_COMPARE(*m_p_c, m_native_c);
 120
 121   PB_DS_CANCEL_DESTRUCT_PRINT
 122
 123     return (done);
 124 }
 125