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

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005-2013 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 trait.hpp
  34  * Contains traits for a random regression test
  35  *    for a specific container type.
  36  */
  37
  38 #ifndef PB_DS_REGRESSION_TEST_TRAIT_HPP
  39 #define PB_DS_REGRESSION_TEST_TRAIT_HPP
  40
  41 #include <regression/trait/erase_if_fn.hpp>
  42 #include <regression/trait/assoc/to_string.hpp>
  43 #include <regression/trait/assoc/type_trait.hpp>
  44 #include <regression/trait/assoc/native_type_trait.hpp>
  45 #include <regression/trait/assoc/resize_trait.hpp>
  46 #include <regression/trait/assoc/get_set_loads_trait.hpp>
  47 #include <regression/trait/assoc/get_set_load_trait.hpp>
  48 #include <regression/trait/assoc/node_update_trait.hpp>
  49
  50 namespace __gnu_pbds
  51 {
  52 namespace test
  53 {
  54 namespace detail
  55 {
  56
  57 #define PB_DS_CLASS_T_DEC \
  58   template<typename Cntnr>
  59
  60 #define PB_DS_CLASS_C_DEC \
  61   regression_test_traits<Cntnr>
  62
  63 #define PB_DS_TYPE_TRAITS_C_DEC \
  64   regression_test_type_traits<Cntnr>
  65
  66 #define PB_DS_NATIVE_TYPE_TRAITS_C_DEC \
  67   native_type_traits<typename PB_DS_TYPE_TRAITS_C_DEC::key_type, \
  68                      typename PB_DS_TYPE_TRAITS_C_DEC::mapped_type, \
  69                      typename Cntnr::allocator_type>
  70
  71 #define PB_DS_RESIZE_TRAITS_C_DEC \
  72   regression_test_resize_traits<Cntnr, typename Cntnr::container_category>
  73
  74 #define PB_DS_SET_LOADS_TRAITS_C_DEC \
  75   regression_test_get_set_loacontainer_traits<Cntnr,    \
  76                                           typename Cntnr::container_category>
  77
  78 #define PB_DS_SET_LOAD_TRAITS_C_DEC \
  79   regression_test_get_set_load_traits<Cntnr,typename Cntnr::container_category>
  80
  81 #define PB_DS_NODE_UPDATOR_TRAITS_C_DEC \
  82   regression_test_node_update_traits<Cntnr, typename Cntnr::container_category>
  83
  84   template<typename Cntnr>
  85   struct regression_test_traits : private PB_DS_TYPE_TRAITS_C_DEC,
  86                                   private PB_DS_NATIVE_TYPE_TRAITS_C_DEC,
  87                                   private PB_DS_RESIZE_TRAITS_C_DEC,
  88                                   private PB_DS_NODE_UPDATOR_TRAITS_C_DEC,
  89                                   private PB_DS_SET_LOADS_TRAITS_C_DEC,
  90                                   private PB_DS_SET_LOAD_TRAITS_C_DEC
  91   {
  92   private:
  93     typedef PB_DS_NATIVE_TYPE_TRAITS_C_DEC native_type_traits_base;
  94     typedef PB_DS_TYPE_TRAITS_C_DEC type_traits_base;
  95
  96   public:
  97     typedef typename Cntnr::value_type value_type;
  98     typedef typename Cntnr::const_reference const_reference;
  99     typedef typename PB_DS_NATIVE_TYPE_TRAITS_C_DEC::type native_type;
 100     typedef typename native_type::value_type native_value_type;
 101
 102     // Only associative containers.
 103     typedef typename Cntnr::key_type key_type;
 104     typedef typename Cntnr::key_const_reference key_const_reference;
 105     typedef typename native_type::key_type native_key_type;
 106
 107     enum
 108       {
 109         resize = PB_DS_RESIZE_TRAITS_C_DEC::value,
 110         get_set_loads = PB_DS_SET_LOADS_TRAITS_C_DEC::value,
 111         get_set_load = PB_DS_SET_LOAD_TRAITS_C_DEC::value,
 112         order_statistics = PB_DS_NODE_UPDATOR_TRAITS_C_DEC::order_statistics,
 113         prefix_search = PB_DS_NODE_UPDATOR_TRAITS_C_DEC::prefix_search
 114       };
 115
 116     template<typename T>
 117     struct erase_if_fn : public regression_test_erase_if_fn<T>
 118     { };
 119
 120     static size_t
 121     erase_if(native_type& r_native_c)
 122     {
 123       typedef regression_test_erase_if_fn<native_value_type> erase_if_fn;
 124       typename native_type::iterator it = r_native_c.begin();
 125       size_t num_ersd = 0;
 126       while (it != r_native_c.end())
 127         if (erase_if_fn()(*it))
 128           {
 129             ++num_ersd;
 130             r_native_c.erase(it);
 131             it = r_native_c.begin();
 132           }
 133         else
 134           ++it;
 135       return num_ersd;
 136     }
 137
 138     static void
 139     print_container(const Cntnr& r_c, std::ostream& r_os)
 140     { PB_DS_TYPE_TRAITS_C_DEC::print_container(r_c, r_os); }
 141
 142     template<typename Gen>
 143     static key_type
 144     generate_key(Gen& r_gen, size_t max)
 145     { return PB_DS_TYPE_TRAITS_C_DEC::generate_key(r_gen, max); }
 146
 147     template<typename Gen>
 148     static value_type
 149     generate_value(Gen& r_gen, size_t max)
 150     { return PB_DS_TYPE_TRAITS_C_DEC::generate_value(r_gen, max); }
 151
 152     static key_const_reference
 153     extract_key(const_reference r_val)
 154     { return type_traits_base::extract_key(r_val); }
 155
 156     static native_key_type
 157     native_key(key_const_reference r_key)
 158     { return native_type_traits_base::native_key(r_key); }
 159
 160     static native_value_type
 161     native_value(const_reference r_val)
 162     { return native_type_traits_base::native_value(r_val); }
 163
 164     static const native_key_type&
 165     extract_native_key(const native_value_type& r_val)
 166     { return native_type_traits_base::extract_key(r_val); }
 167
 168     static bool
 169     cmp(const_reference r_val, const native_value_type& r_native_val)
 170     { return val_to_string(r_val) == native_val_to_string(r_native_val); }
 171
 172     static std::string
 173     val_to_string(const_reference r_val)
 174     { return to_string(r_val); }
 175
 176     static std::string
 177     key_to_string(key_const_reference r_key)
 178     { return to_string(r_key); }
 179
 180     static std::string
 181     native_val_to_string(const native_value_type& r_native_val)
 182     { return to_string(r_native_val); }
 183
 184     static bool
 185     prefix_match(key_const_reference r_key, const std::string& r_native_key)
 186     {
 187       const size_t len = std::min(r_key.length(), r_native_key.length());
 188       const std::string substr = r_native_key.substr(0, len);
 189       return substr == static_cast<const std::string&>(r_key);
 190     }
 191   };
 192
 193 #undef PB_DS_TYPE_TRAITS_C_DEC
 194 #undef PB_DS_NATIVE_TYPE_TRAITS_C_DEC
 195 #undef PB_DS_RESIZE_TRAITS_C_DEC
 196 #undef PB_DS_SET_LOADS_TRAITS_C_DEC
 197 #undef PB_DS_SET_LOAD_TRAITS_C_DEC
 198 #undef PB_DS_NODE_UPDATOR_TRAITS_C_DEC
 199 #undef PB_DS_CLASS_T_DEC
 200 #undef PB_DS_CLASS_C_DEC
 201
 202 } // namespace detail
 203 } // namespace test
 204 } // namespace __gnu_pbds
 205
 206 #endif