libstdc++-v3/testsuite/tr1/6_containers/unordered_map/swap/2.cc

   1 // 2005-12-20  Paolo Carlini  <pcarlini@suse.de>
   2
   3 // Copyright (C) 2005-2024 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 3, 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 COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 // 6.3.4.4 unordered_map::swap
  21
  22 #include <tr1/unordered_map>
  23 #include <map>
  24 #include <testsuite_hooks.h>
  25 #include <testsuite_allocator.h>
  26
  27 // uneq_allocator, two different personalities.
  28 void
  29 test01()
  30 {
  31   using namespace std::tr1;
  32   using std::pair;
  33   using std::equal_to;
  34   using std::map;
  35
  36   typedef pair<const char, int> my_pair;
  37   typedef __gnu_test::uneq_allocator<my_pair> my_alloc;
  38   typedef unordered_map<char, int, hash<char>, equal_to<char>, my_alloc>
  39     my_umap;
  40
  41   const char title01[] = "Rivers of sand";
  42   const char title02[] = "Concret PH";
  43   const char title03[] = "Sonatas and Interludes for Prepared Piano";
  44   const char title04[] = "never as tired as when i'm waking up";
  45
  46   const size_t N1 = sizeof(title01);
  47   const size_t N2 = sizeof(title02);
  48   const size_t N3 = sizeof(title03);
  49   const size_t N4 = sizeof(title04);
  50
  51   typedef map<char, int> my_map;
  52   my_map map01_ref;
  53   for (size_t i = 0; i < N1; ++i)
  54     map01_ref.insert(my_pair(title01[i], i));
  55   my_map map02_ref;
  56   for (size_t i = 0; i < N2; ++i)
  57     map02_ref.insert(my_pair(title02[i], i));
  58   my_map map03_ref;
  59   for (size_t i = 0; i < N3; ++i)
  60     map03_ref.insert(my_pair(title03[i], i));
  61   my_map map04_ref;
  62   for (size_t i = 0; i < N4; ++i)
  63     map04_ref.insert(my_pair(title04[i], i));
  64
  65   my_umap::size_type size01, size02;
  66
  67   my_alloc alloc01(1), alloc02(2);
  68   int personality01, personality02;
  69
  70   my_umap umap01(10, hash<char>(), equal_to<char>(), alloc01);
  71   size01 = umap01.size();
  72   personality01 = umap01.get_allocator().get_personality();
  73   my_umap umap02(10, hash<char>(), equal_to<char>(), alloc02);
  74   size02 = umap02.size();
  75   personality02 = umap02.get_allocator().get_personality();
  76
  77   umap01.swap(umap02);
  78   VERIFY( umap01.size() == size02 );
  79   VERIFY( umap01.empty() );
  80   VERIFY( umap02.size() == size01 );
  81   VERIFY( umap02.empty() );
  82   VERIFY( umap01.get_allocator().get_personality() == personality02 );
  83   VERIFY( umap02.get_allocator().get_personality() == personality01 );
  84
  85   my_umap umap03(10, hash<char>(), equal_to<char>(), alloc02);
  86   size01 = umap03.size();
  87   personality01 = umap03.get_allocator().get_personality();
  88   my_umap umap04(map02_ref.begin(), map02_ref.end(), 10, hash<char>(),
  89                  equal_to<char>(), alloc01);
  90   size02 = umap04.size();
  91   personality02 = umap04.get_allocator().get_personality();
  92
  93   umap03.swap(umap04);
  94   VERIFY( umap03.size() == size02 );
  95   VERIFY( my_map(umap03.begin(), umap03.end()) == map02_ref );
  96   VERIFY( umap04.size() == size01 );
  97   VERIFY( umap04.empty() );
  98   VERIFY( umap03.get_allocator().get_personality() == personality02 );
  99   VERIFY( umap04.get_allocator().get_personality() == personality01 );
 100
 101   my_umap umap05(map01_ref.begin(), map01_ref.end(), 10, hash<char>(),
 102                  equal_to<char>(), alloc01);
 103   size01 = umap05.size();
 104   personality01 = umap05.get_allocator().get_personality();
 105   my_umap umap06(map02_ref.begin(), map02_ref.end(), 10, hash<char>(),
 106                  equal_to<char>(), alloc02);
 107   size02 = umap06.size();
 108   personality02 = umap06.get_allocator().get_personality();
 109
 110   umap05.swap(umap06);
 111   VERIFY( umap05.size() == size02 );
 112   VERIFY( my_map(umap05.begin(), umap05.end()) == map02_ref );
 113   VERIFY( umap06.size() == size01 );
 114   VERIFY( my_map(umap06.begin(), umap06.end()) == map01_ref );
 115   VERIFY( umap05.get_allocator().get_personality() == personality02 );
 116   VERIFY( umap06.get_allocator().get_personality() == personality01 );
 117
 118   my_umap umap07(map01_ref.begin(), map01_ref.end(), 10, hash<char>(),
 119                  equal_to<char>(), alloc02);
 120   size01 = umap07.size();
 121   personality01 = umap07.get_allocator().get_personality();
 122   my_umap umap08(map03_ref.begin(), map03_ref.end(), 10, hash<char>(),
 123                  equal_to<char>(), alloc01);
 124   size02 = umap08.size();
 125   personality02 = umap08.get_allocator().get_personality();
 126
 127   umap07.swap(umap08);
 128   VERIFY( umap07.size() == size02 );
 129   VERIFY( my_map(umap07.begin(), umap07.end()) == map03_ref );
 130   VERIFY( umap08.size() == size01 );
 131   VERIFY( my_map(umap08.begin(), umap08.end()) == map01_ref );
 132   VERIFY( umap07.get_allocator().get_personality() == personality02 );
 133   VERIFY( umap08.get_allocator().get_personality() == personality01 );
 134
 135   my_umap umap09(map03_ref.begin(), map03_ref.end(), 10, hash<char>(),
 136                  equal_to<char>(), alloc01);
 137   size01 = umap09.size();
 138   personality01 = umap09.get_allocator().get_personality();
 139   my_umap umap10(map04_ref.begin(), map04_ref.end(), 10, hash<char>(),
 140                  equal_to<char>(), alloc02);
 141   size02 = umap10.size();
 142   personality02 = umap10.get_allocator().get_personality();
 143
 144   umap09.swap(umap10);
 145   VERIFY( umap09.size() == size02 );
 146   VERIFY( my_map(umap09.begin(), umap09.end()) == map04_ref );
 147   VERIFY( umap10.size() == size01 );
 148   VERIFY( my_map(umap10.begin(), umap10.end()) == map03_ref );
 149   VERIFY( umap09.get_allocator().get_personality() == personality02 );
 150   VERIFY( umap10.get_allocator().get_personality() == personality01 );
 151
 152   my_umap umap11(map04_ref.begin(), map04_ref.end(), 10, hash<char>(),
 153                  equal_to<char>(), alloc02);
 154   size01 = umap11.size();
 155   personality01 = umap11.get_allocator().get_personality();
 156   my_umap umap12(map01_ref.begin(), map01_ref.end(), 10, hash<char>(),
 157                  equal_to<char>(), alloc01);
 158   size02 = umap12.size();
 159   personality02 = umap12.get_allocator().get_personality();
 160
 161   umap11.swap(umap12);
 162   VERIFY( umap11.size() == size02 );
 163   VERIFY( my_map(umap11.begin(), umap11.end()) == map01_ref );
 164   VERIFY( umap12.size() == size01 );
 165   VERIFY( my_map(umap12.begin(), umap12.end()) == map04_ref );
 166   VERIFY( umap11.get_allocator().get_personality() == personality02 );
 167   VERIFY( umap12.get_allocator().get_personality() == personality01 );
 168
 169   my_umap umap13(map03_ref.begin(), map03_ref.end(), 10, hash<char>(),
 170                  equal_to<char>(), alloc01);
 171   size01 = umap13.size();
 172   personality01 = umap13.get_allocator().get_personality();
 173   my_umap umap14(map03_ref.begin(), map03_ref.end(), 10, hash<char>(),
 174                  equal_to<char>(), alloc02);
 175   size02 = umap14.size();
 176   personality02 = umap14.get_allocator().get_personality();
 177
 178   umap13.swap(umap14);
 179   VERIFY( umap13.size() == size02 );
 180   VERIFY( my_map(umap13.begin(), umap13.end()) == map03_ref );
 181   VERIFY( umap14.size() == size01 );
 182   VERIFY( my_map(umap14.begin(), umap14.end()) == map03_ref );
 183   VERIFY( umap13.get_allocator().get_personality() == personality02 );
 184   VERIFY( umap14.get_allocator().get_personality() == personality01 );
 185 }
 186
 187 int main()
 188 {
 189   test01();
 190   return 0;
 191 }