libstdc++-v3/testsuite/util/regression/basic_type.hpp

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005-2021 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 basic_type.hpp
  34  * Contains a type used for regression tests' key and data.
  35  */
  36
  37 #ifndef PB_DS_BASIC_TYPE_HPP
  38 #define PB_DS_BASIC_TYPE_HPP
  39
  40 #include <string>
  41 #include <ext/throw_allocator.h>
  42
  43 namespace __gnu_pbds
  44 {
  45 namespace test
  46 {
  47 #define PB_DS_BASE_C_DEC \
  48   std::basic_string<char, std::char_traits<char>, \
  49                     __gnu_cxx::throw_allocator_random<char> >
  50
  51   struct basic_type : public PB_DS_BASE_C_DEC
  52   {
  53   private:
  54     typedef PB_DS_BASE_C_DEC base_type;
  55
  56   public:
  57     enum
  58       {
  59         distinct_chars = 4
  60       };
  61
  62     basic_type() { }
  63
  64     template<typename Gen>
  65     basic_type(Gen& r_gen, size_t max)
  66     {
  67       size_t rnd = r_gen.get_unsigned_long(0, static_cast<unsigned long>(max));
  68       while (rnd > 0)
  69         {
  70           base_type::push_back('a' + static_cast<char>(rnd % distinct_chars));
  71           rnd /= distinct_chars;
  72         }
  73     }
  74
  75     basic_type(const std::string other)
  76     {
  77       std::string::const_iterator it = other.begin();
  78       while (it != other.end())
  79         {
  80           base_type::push_back(*it);
  81           ++it;
  82         }
  83     }
  84
  85     operator std::string() const
  86     { return std::string(base_type::c_str());}
  87   };
  88
  89 #undef PB_DS_BASE_C_DEC
  90
  91 } // namespace test
  92 } // namespace __gnu_pbds
  93
  94 #endif