libstdc++-v3/testsuite/util/regression/rand/assoc/detail/split_join_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
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  40 // warranty.
  41
  42 /**
  43  * @file split_join_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 split_join()
  51 {
  52   enum
  53     {
  54       split_join = container_traits::order_preserving
  55     };
  56
  57   return (split_join_imp(__gnu_pbds::detail::integral_constant<int,split_join>()));
  58 }
  59
  60 PB_DS_CLASS_T_DEC
  61 bool
  62 PB_DS_CLASS_C_DEC::
  63 split_join_imp(__gnu_pbds::detail::false_type)
  64 {
  65   return (true);
  66 }
  67
  68 PB_DS_CLASS_T_DEC
  69 bool
  70 PB_DS_CLASS_C_DEC::
  71 split_join_imp(__gnu_pbds::detail::true_type)
  72 {
  73   PB_DS_TRACE("split_join");
  74
  75   bool done = true;
  76
  77   PB_DS_SET_DESTRUCT_PRINT
  78
  79     try
  80       {
  81         m_alloc.set_throw_prob(0);
  82
  83         Cntnr lhs(*m_p_c);
  84
  85         Cntnr rhs;
  86
  87         native_type native_lhs(m_native_c);
  88
  89         native_type native_rhs;
  90
  91         const key_type k =
  92           test_traits::generate_key(m_g, m_m);
  93
  94         m_alloc.set_throw_prob(m_tp);
  95
  96         lhs.split(k, rhs);
  97
  98         typename native_type::const_iterator it =
  99           native_lhs.upper_bound(test_traits::native_key(k));
 100
 101         while (!native_lhs.empty()&&  it != native_lhs.end())
 102           {
 103             native_rhs.insert(*it);
 104
 105             typename native_type::const_iterator next_it = it;
 106             ++next_it;
 107
 108             native_lhs.erase(test_traits::extract_native_key(*it));
 109
 110             it = next_it;
 111           }
 112
 113         PB_DS_COND_COMPARE(lhs, native_lhs);
 114         PB_DS_COND_COMPARE(rhs, native_rhs);
 115
 116         m_alloc.set_throw_prob(m_tp);
 117
 118         if (m_g.get_prob() < 0.5)
 119           lhs.swap(rhs);
 120
 121         lhs.join(rhs);
 122
 123         PB_DS_THROW_IF_FAILED(
 124                               rhs.size() == 0,
 125                               static_cast<unsigned long>(rhs.size()),
 126                               m_p_c,
 127                               & m_native_c);
 128
 129         PB_DS_THROW_IF_FAILED(
 130                               rhs.empty(),
 131                               static_cast<unsigned long>(rhs.size()),
 132                               m_p_c,
 133                               & m_native_c);
 134
 135         m_p_c->swap(lhs);
 136       }
 137     catch(__gnu_cxx::forced_exception_error& )
 138       {
 139         done = false;
 140
 141         PB_DS_THROW_IF_FAILED(            container_traits::split_join_can_throw, container_traits::split_join_can_throw, m_p_c, & m_native_c);
 142       }
 143
 144   PB_DS_COND_COMPARE(*m_p_c, m_native_c);
 145
 146   PB_DS_CANCEL_DESTRUCT_PRINT
 147
 148     return (done);
 149 }