libstdc++-v3/testsuite/util/regression/trait/assoc/type_trait.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 type_trait.hpp
  44  * Containsert traits for a random regression test
  45  *    for a specific container type.
  46  */
  47
  48 #ifndef PB_DS_REGRESSION_TEST_TYPE_TRAIT_HPP
  49 #define PB_DS_REGRESSION_TEST_TYPE_TRAIT_HPP
  50
  51 #include <regression/basic_type.hpp>
  52
  53 namespace pb_ds
  54 {
  55
  56   namespace test
  57   {
  58
  59     namespace detail
  60     {
  61
  62       template<typename Cntnr>
  63       struct regression_test_type_traits
  64       {
  65
  66       public:
  67
  68         typedef Cntnr cntnr;
  69
  70         typedef typename cntnr::key_type key_type;
  71
  72         typedef typename cntnr::const_key_reference const_key_reference;
  73
  74         typedef typename cntnr::value_type value_type;
  75
  76         typedef typename cntnr::const_reference const_reference;
  77
  78         typedef typename cntnr::mapped_type mapped_type;
  79
  80         typedef typename cntnr::const_mapped_reference const_mapped_reference;
  81
  82       public:
  83
  84         template<typename Gen>
  85         static key_type
  86         generate_key(Gen& r_gen, size_t max)
  87         {
  88           return (basic_type(r_gen, max));
  89         }
  90
  91         template<typename Gen>
  92         static value_type
  93         generate_value(Gen& r_gen, size_t max)
  94         {
  95           return (generate_value(r_gen, max,
  96                                  pb_ds::detail::type_to_type<value_type>()));
  97         }
  98
  99         static const_key_reference
 100         extract_key(const_reference r_val)
 101         {
 102           return extract_key_imp(r_val);
 103         }
 104
 105       private:
 106         typedef
 107         typename Cntnr::allocator::template rebind<
 108         basic_type>::other::const_reference
 109         basic_type_const_reference;
 110
 111         typedef
 112         typename Cntnr::allocator::template rebind<
 113           std::pair<
 114           basic_type,
 115           basic_type> >::other::const_reference
 116         basic_type_pair_const_reference;
 117
 118       private:
 119         template<typename Gen>
 120         static value_type
 121         generate_value(Gen& r_gen, size_t max,  pb_ds::detail::type_to_type<pb_ds::null_mapped_type>)
 122         {
 123           return (basic_type(r_gen, max));
 124         }
 125
 126         template<typename Gen>
 127         static value_type
 128         generate_value(Gen& r_gen, size_t max, pb_ds::detail::type_to_type<basic_type>)
 129         {
 130           return (basic_type(r_gen, max));
 131         }
 132
 133         template<typename Gen>
 134         static value_type
 135         generate_value(Gen& r_gen, size_t max, pb_ds::detail::type_to_type<std::pair<const basic_type, basic_type> >)
 136         {
 137           return (std::make_pair(basic_type(r_gen, max), basic_type(r_gen, max)));
 138         }
 139
 140         static const_key_reference
 141         extract_key_imp(basic_type_const_reference r_val)
 142         {
 143           return r_val;
 144         }
 145
 146         static const_key_reference
 147         extract_key_imp(basic_type_pair_const_reference r_val)
 148         {
 149           return r_val.first;
 150         }
 151       };
 152
 153 #undef PB_DS_BASE_C_DEC
 154
 155     } // namespace detail
 156
 157   } // namespace test
 158
 159 } // namespace pb_ds
 160
 161 #endif // #ifndef PB_DS_REGRESSION_TEST_TYPE_TRAIT_HPP