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

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005-2019 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
  43 namespace __gnu_pbds
  44 {
  45   namespace test
  46   {
  47     namespace detail
  48     {
  49       template<typename Cntnr>
  50       struct regression_test_traits
  51       {
  52         typedef typename Cntnr::value_type value_type;
  53         typedef typename Cntnr::const_reference const_reference;
  54         typedef __gnu_pbds::test::native_priority_queue<std::string, true> native_type;
  55         typedef typename native_type::value_type native_value_type;
  56
  57         template<typename T>
  58         struct erase_if_fn : public regression_test_erase_if_fn<T>
  59         { };
  60
  61         template<typename Gen>
  62         static value_type
  63         generate_value(Gen& r_gen, size_t max)
  64         { return basic_type(r_gen, max); }
  65
  66         static native_value_type
  67         native_value(const_reference r_val)
  68         { return native_value_type(r_val); }
  69
  70         static bool
  71         cmp(const_reference r_val, const native_value_type& r_native_val)
  72         { return val_to_string(r_val) == r_native_val; }
  73
  74         static std::string
  75         val_to_string(const_reference r_val)
  76         { return std::string(r_val); }
  77       };
  78     } // namespace detail
  79   } // namespace test
  80 } // namespace __gnu_pbds
  81
  82 #endif