old-autovect-branch/libstdc++-v3/testsuite/ext/pb_assoc/example/basic_map.cc

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005 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
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 2, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  19 // USA.
  20
  21 // As a special exception, you may use this file as part of a free software
  22 // library without restriction.  Specifically, if other files instantiate
  23 // templates or use macros or inline functions from this file, or you compile
  24 // this file and link it with other files to produce an executable, this
  25 // file does not by itself cause the resulting executable to be covered by
  26 // the GNU General Public License.  This exception does not however
  27 // invalidate any other reasons why the executable file might be covered by
  28 // the GNU General Public License.
  29
  30 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
  31
  32 // Permission to use, copy, modify, sell, and distribute this software
  33 // is hereby granted without fee, provided that the above copyright
  34 // notice appears in all copies, and that both that copyright notice and
  35 // this permission notice appear in supporting documentation. None of
  36 // the above authors, nor IBM Haifa Research Laboratories, make any
  37 // representation about the suitability of this software for any
  38 // purpose. It is provided "as is" without express or implied warranty.
  39
  40 /**
  41  * @file basic_multimap_example.cpp
  42  * A basic example showing how to use maps.
  43  */
  44
  45 // For various associative containers.
  46 #include <ext/pb_assoc/assoc_cntnr.hpp>
  47 // For cout, endl.
  48 #include <iostream>
  49 // For assert.
  50 #include <cassert>
  51
  52 template<class Cntnr>
  53 void
  54 some_op_sequence(Cntnr c)
  55 {
  56   assert(c.empty());
  57   assert(c.size() == 0);
  58
  59   c.insert(std::make_pair(1, 'a'));
  60
  61   c[2] = 'b';
  62
  63   assert(!c.empty());
  64   assert(c.size() == 2);
  65
  66   std::cout << "Key 1 is mapped to " << c[1] << std::endl;
  67   std::cout << "Key 2 is mapped to " << c[2] << std::endl;
  68
  69   std::cout << std::endl << "All value types in the container:" << std::endl;
  70   for (typename Cntnr::const_iterator it = c.begin(); it != c.end();
  71        ++it)
  72     std::cout << it->first << " -> " << it->second << std::endl;
  73
  74   std::cout << std::endl;
  75
  76   c.clear();
  77
  78   assert(c.empty());
  79   assert(c.size() == 0);
  80 }
  81
  82 int
  83 main()
  84 {
  85   /*
  86    * Perform operations on a collision-chaining hash set.
  87    */
  88   some_op_sequence(pb_assoc::cc_hash_assoc_cntnr<int, char>());
  89
  90   /*
  91    * Perform operations on a general-probing hash set.
  92    */
  93   some_op_sequence(pb_assoc::gp_hash_assoc_cntnr<int, char>());
  94
  95   /*
  96    * Perform operations on a red-black tree set.
  97    */
  98   some_op_sequence(pb_assoc::tree_assoc_cntnr<int, char>());
  99
 100   /*
 101    * Perform operations on a splay tree set.
 102    */
 103   some_op_sequence(pb_assoc::tree_assoc_cntnr<
 104                    int,
 105                    char,
 106                    std::less<int>,
 107                    pb_assoc::splay_tree_ds_tag>());
 108
 109   /*
 110    * Perform operations on a splay tree set.
 111    */
 112   some_op_sequence(pb_assoc::tree_assoc_cntnr<
 113                    int,
 114                    char,
 115                    std::less<int>,
 116                    pb_assoc::ov_tree_ds_tag>());
 117
 118   /*
 119    * Perform operations on a list-update set.
 120    */
 121   some_op_sequence(pb_assoc::lu_assoc_cntnr<int, char>());
 122 }