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

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005, 2006 Free Software Foundation, Inc.
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   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
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  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
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  40 // warranty.
  41
  42 /**
  43  * @file basic_type.hpp
  44  * Contains a type used for regression tests' key and data.
  45  */
  46
  47 #ifndef PB_DS_BASIC_TYPE_HPP
  48 #define PB_DS_BASIC_TYPE_HPP
  49
  50 #include <string>
  51 #include <ext/throw_allocator.h>
  52
  53 namespace __gnu_pbds
  54 {
  55 namespace test
  56 {
  57 #define PB_DS_BASE_C_DEC \
  58   std::basic_string<char, std::char_traits<char>, \
  59                     __gnu_cxx::throw_allocator<char> >
  60
  61   struct basic_type : public PB_DS_BASE_C_DEC
  62   {
  63   private:
  64     typedef PB_DS_BASE_C_DEC base_type;
  65
  66   public:
  67     enum
  68       {
  69         distinct_chars = 4
  70       };
  71
  72     basic_type() { }
  73
  74     template<typename Gen>
  75     basic_type(Gen& r_gen, size_t max)
  76     {
  77       size_t rnd = r_gen.get_unsigned_long(0, static_cast<unsigned long>(max));
  78       while (rnd > 0)
  79         {
  80           base_type::push_back('a' + static_cast<char>(rnd % distinct_chars));
  81           rnd /= distinct_chars;
  82         }
  83     }
  84
  85     basic_type(const std::string other)
  86     {
  87       std::string::const_iterator it = other.begin();
  88       while (it != other.end())
  89         {
  90           base_type::push_back(*it);
  91           ++it;
  92         }
  93     }
  94
  95     operator std::string() const
  96     { return std::string(base_type::c_str());}
  97   };
  98
  99 #undef PB_DS_BASE_C_DEC
 100
 101 } // namespace test
 102 } // namespace __gnu_pbds
 103
 104 #endif