libstdc++-v3/testsuite/tr1/6_containers/unordered_set/swap/1.cc

   1 // 2005-12-20  Paolo Carlini  <pcarlini@suse.de>
   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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 // 6.3.4.3 unordered_set::swap
  22
  23 #include <tr1/unordered_set>
  24 #include <set>
  25 #include <testsuite_hooks.h>
  26 #include <testsuite_allocator.h>
  27
  28 // uneq_allocator as a non-empty allocator.
  29 void
  30 test01()
  31 {
  32   bool test __attribute__((unused)) = true;
  33   using namespace std::tr1;
  34   using std::equal_to;
  35   using std::set;
  36
  37   typedef __gnu_test::uneq_allocator<char> my_alloc;
  38   typedef unordered_set<char, hash<char>, equal_to<char>, my_alloc> my_uset;
  39
  40   const char title01[] = "Rivers of sand";
  41   const char title02[] = "Concret PH";
  42   const char title03[] = "Sonatas and Interludes for Prepared Piano";
  43   const char title04[] = "never as tired as when i'm waking up";
  44
  45   const size_t N1 = sizeof(title01);
  46   const size_t N2 = sizeof(title02);
  47   const size_t N3 = sizeof(title03);
  48   const size_t N4 = sizeof(title04);
  49
  50   typedef set<char> my_set;
  51   const my_set set01_ref(title01, title01 + N1);
  52   const my_set set02_ref(title02, title02 + N2);
  53   const my_set set03_ref(title03, title03 + N3);
  54   const my_set set04_ref(title04, title04 + N4);
  55
  56   my_uset::size_type size01, size02;
  57
  58   my_alloc alloc01(1);
  59
  60   my_uset uset01(10, hash<char>(), equal_to<char>(), alloc01);
  61   size01 = uset01.size();
  62   my_uset uset02(10, hash<char>(), equal_to<char>(), alloc01);
  63   size02 = uset02.size();
  64
  65   uset01.swap(uset02);
  66   VERIFY( uset01.size() == size02 );
  67   VERIFY( uset01.empty() );
  68   VERIFY( uset02.size() == size01 );
  69   VERIFY( uset02.empty() );
  70
  71   my_uset uset03(10, hash<char>(), equal_to<char>(), alloc01);
  72   size01 = uset03.size();
  73   my_uset uset04(set02_ref.begin(), set02_ref.end(), 10, hash<char>(),
  74                  equal_to<char>(), alloc01);
  75   size02 = uset04.size();
  76
  77   uset03.swap(uset04);
  78   VERIFY( uset03.size() == size02 );
  79   VERIFY( my_set(uset03.begin(), uset03.end()) == set02_ref );
  80   VERIFY( uset04.size() == size01 );
  81   VERIFY( uset04.empty() );
  82
  83   my_uset uset05(set01_ref.begin(), set01_ref.end(), 10, hash<char>(),
  84                  equal_to<char>(), alloc01);
  85   size01 = uset05.size();
  86   my_uset uset06(set02_ref.begin(), set02_ref.end(), 10, hash<char>(),
  87                  equal_to<char>(), alloc01);
  88   size02 = uset06.size();
  89
  90   uset05.swap(uset06);
  91   VERIFY( uset05.size() == size02 );
  92   VERIFY( my_set(uset05.begin(), uset05.end()) == set02_ref );
  93   VERIFY( uset06.size() == size01 );
  94   VERIFY( my_set(uset06.begin(), uset06.end()) == set01_ref );
  95
  96   my_uset uset07(set01_ref.begin(), set01_ref.end(), 10, hash<char>(),
  97                  equal_to<char>(), alloc01);
  98   size01 = uset07.size();
  99   my_uset uset08(set03_ref.begin(), set03_ref.end(), 10, hash<char>(),
 100                  equal_to<char>(), alloc01);
 101   size02 = uset08.size();
 102
 103   uset07.swap(uset08);
 104   VERIFY( uset07.size() == size02 );
 105   VERIFY( my_set(uset07.begin(), uset07.end()) == set03_ref );
 106   VERIFY( uset08.size() == size01 );
 107   VERIFY( my_set(uset08.begin(), uset08.end()) == set01_ref );
 108
 109   my_uset uset09(set03_ref.begin(), set03_ref.end(), 10, hash<char>(),
 110                  equal_to<char>(), alloc01);
 111   size01 = uset09.size();
 112   my_uset uset10(set04_ref.begin(), set04_ref.end(), 10, hash<char>(),
 113                  equal_to<char>(), alloc01);
 114   size02 = uset10.size();
 115
 116   uset09.swap(uset10);
 117   VERIFY( uset09.size() == size02 );
 118   VERIFY( my_set(uset09.begin(), uset09.end()) == set04_ref );
 119   VERIFY( uset10.size() == size01 );
 120   VERIFY( my_set(uset10.begin(), uset10.end()) == set03_ref );
 121
 122   my_uset uset11(set04_ref.begin(), set04_ref.end(), 10, hash<char>(),
 123                  equal_to<char>(), alloc01);
 124   size01 = uset11.size();
 125   my_uset uset12(set01_ref.begin(), set01_ref.end(), 10, hash<char>(),
 126                  equal_to<char>(), alloc01);
 127   size02 = uset12.size();
 128
 129   uset11.swap(uset12);
 130   VERIFY( uset11.size() == size02 );
 131   VERIFY( my_set(uset11.begin(), uset11.end()) == set01_ref );
 132   VERIFY( uset12.size() == size01 );
 133   VERIFY( my_set(uset12.begin(), uset12.end()) == set04_ref );
 134
 135   my_uset uset13(set03_ref.begin(), set03_ref.end(), 10, hash<char>(),
 136                  equal_to<char>(), alloc01);
 137   size01 = uset13.size();
 138   my_uset uset14(set03_ref.begin(), set03_ref.end(), 10, hash<char>(),
 139                  equal_to<char>(), alloc01);
 140   size02 = uset14.size();
 141
 142   uset13.swap(uset14);
 143   VERIFY( uset13.size() == size02 );
 144   VERIFY( my_set(uset13.begin(), uset13.end()) == set03_ref );
 145   VERIFY( uset14.size() == size01 );
 146   VERIFY( my_set(uset14.begin(), uset14.end()) == set03_ref );
 147 }
 148
 149 int main()
 150 {
 151   test01();
 152   return 0;
 153 }