libstdc++-v3/testsuite/util/regression/trait/assoc/type_trait.hpp

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005-2018 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 3, 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 COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20
  21 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
  22
  23 // Permission to use, copy, modify, sell, and distribute this software
  24 // is hereby granted without fee, provided that the above copyright
  25 // notice appears in all copies, and that both that copyright notice
  26 // and this permission notice appear in supporting documentation. None
  27 // of the above authors, nor IBM Haifa Research Laboratories, make any
  28 // representation about the suitability of this software for any
  29 // purpose. It is provided "as is" without express or implied
  30 // warranty.
  31
  32 /**
  33  * @file type_trait.hpp
  34  * Contains traits for a random regression test
  35  *    for a specific container type.
  36  */
  37
  38 #ifndef PB_DS_REGRESSION_TEST_TYPE_TRAIT_HPP
  39 #define PB_DS_REGRESSION_TEST_TYPE_TRAIT_HPP
  40
  41 #include <regression/basic_type.hpp>
  42
  43 namespace __gnu_pbds
  44 {
  45   namespace test
  46   {
  47     namespace detail
  48     {
  49       template<typename Cntnr>
  50       struct regression_test_type_traits
  51       {
  52         typedef Cntnr cntnr;
  53         typedef typename cntnr::key_type key_type;
  54         typedef typename cntnr::key_const_reference key_const_reference;
  55         typedef typename cntnr::value_type value_type;
  56         typedef typename cntnr::const_reference const_reference;
  57         typedef typename cntnr::mapped_type mapped_type;
  58         typedef typename cntnr::mapped_const_reference mapped_const_reference;
  59
  60         template<typename Gen>
  61         static key_type
  62         generate_key(Gen& r_gen, size_t max)
  63         { return basic_type(r_gen, max); }
  64
  65         template<typename Gen>
  66         static value_type
  67         generate_value(Gen& r_gen, size_t max)
  68         { return generate_value(r_gen, max, value_type()); }
  69
  70         static key_const_reference
  71         extract_key(const_reference r_val)
  72         { return extract_key_imp(r_val); }
  73
  74       private:
  75         typedef typename cntnr::allocator_type::template rebind<basic_type>::other
  76         basic_type_rebind;
  77
  78         typedef typename basic_type_rebind::const_reference basic_type_const_reference;
  79
  80         typedef typename cntnr::allocator_type::template rebind<std::pair<const basic_type, basic_type> >::other pair_type_rebind;
  81         typedef typename pair_type_rebind::const_reference pair_type_const_reference;
  82
  83         template<typename Gen>
  84         static value_type
  85         generate_value(Gen& r_gen, size_t max, __gnu_pbds::null_type)
  86         { return basic_type(r_gen, max); }
  87
  88         template<typename Gen>
  89         static value_type
  90         generate_value(Gen& r_gen, size_t max, basic_type)
  91         { return basic_type(r_gen, max); }
  92
  93         template<typename Gen>
  94         static value_type
  95         generate_value(Gen& gen, size_t max,
  96                        std::pair<const basic_type, basic_type>)
  97         { return std::make_pair(basic_type(gen, max), basic_type(gen, max)); }
  98
  99         static key_const_reference
 100         extract_key_imp(basic_type_const_reference r_val)
 101         { return r_val; }
 102
 103         static key_const_reference
 104         extract_key_imp(pair_type_const_reference r_val)
 105         { return r_val.first; }
 106       };
 107     } // namespace detail
 108   } // namespace test
 109 } // namespace __gnu_pbds
 110
 111 #endif