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
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  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 __gnu_pbds
  54 {
  55   namespace test
  56   {
  57     namespace detail
  58     {
  59       template<typename Cntnr>
  60       struct regression_test_type_traits
  61       {
  62         typedef Cntnr cntnr;
  63         typedef typename cntnr::key_type key_type;
  64         typedef typename cntnr::const_key_reference const_key_reference;
  65         typedef typename cntnr::value_type value_type;
  66         typedef typename cntnr::const_reference const_reference;
  67         typedef typename cntnr::mapped_type mapped_type;
  68         typedef typename cntnr::const_mapped_reference const_mapped_reference;
  69
  70         template<typename Gen>
  71         static key_type
  72         generate_key(Gen& r_gen, size_t max)
  73         { return basic_type(r_gen, max); }
  74
  75         template<typename Gen>
  76         static value_type
  77         generate_value(Gen& r_gen, size_t max)
  78         { return generate_value(r_gen, max, value_type()); }
  79
  80         static const_key_reference
  81         extract_key(const_reference r_val)
  82         { return extract_key_imp(r_val); }
  83
  84       private:
  85         typedef typename cntnr::allocator::template rebind<basic_type>::other
  86         basic_type_rebind;
  87
  88         typedef typename basic_type_rebind::const_reference basic_type_const_reference;
  89
  90         typedef typename cntnr::allocator::template rebind<std::pair<basic_type, basic_type> >::other pair_type_rebind;
  91         typedef typename pair_type_rebind::const_reference pair_type_const_reference;
  92
  93         template<typename Gen>
  94         static value_type
  95         generate_value(Gen& r_gen, size_t max, __gnu_pbds::null_mapped_type)
  96         { return basic_type(r_gen, max); }
  97
  98         template<typename Gen>
  99         static value_type
 100         generate_value(Gen& r_gen, size_t max, basic_type)
 101         { return basic_type(r_gen, max); }
 102
 103         template<typename Gen>
 104         static value_type
 105         generate_value(Gen& gen, size_t max,
 106                        std::pair<const basic_type, basic_type>)
 107         { return std::make_pair(basic_type(gen, max), basic_type(gen, max)); }
 108
 109         static const_key_reference
 110         extract_key_imp(basic_type_const_reference r_val)
 111         { return r_val; }
 112
 113         static const_key_reference
 114         extract_key_imp(pair_type_const_reference r_val)
 115         { return r_val.first; }
 116       };
 117     } // namespace detail
 118   } // namespace test
 119 } // namespace __gnu_pbds
 120
 121 #endif