libstdc++-v3/testsuite/23_containers/set/modifiers/swap/2.cc

   1 // 2005-12-20  Paolo Carlini  <pcarlini@suse.de>
   2
   3 // Copyright (C) 2005-2025 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 // 23.3.3 set::swap
  21
  22 #include <set>
  23 #include <testsuite_hooks.h>
  24 #include <testsuite_allocator.h>
  25
  26 // uneq_allocator as a non-empty allocator.
  27 void
  28 test01()
  29 {
  30   using namespace std;
  31
  32   typedef __gnu_test::uneq_allocator<char> my_alloc;
  33   typedef set<char, less<char>, my_alloc> my_set;
  34
  35   const char title01[] = "Rivers of sand";
  36   const char title02[] = "Concret PH";
  37   const char title03[] = "Sonatas and Interludes for Prepared Piano";
  38   const char title04[] = "never as tired as when i'm waking up";
  39
  40   const size_t N1 = sizeof(title01);
  41   const size_t N2 = sizeof(title02);
  42   const size_t N3 = sizeof(title03);
  43   const size_t N4 = sizeof(title04);
  44
  45   const set<char> set01_ref(title01, title01 + N1);
  46   const set<char> set02_ref(title02, title02 + N2);
  47   const set<char> set03_ref(title03, title03 + N3);
  48   const set<char> set04_ref(title04, title04 + N4);
  49
  50   my_set::size_type size01, size02;
  51
  52   my_alloc alloc01(1);
  53
  54   my_set set01(less<char>(), alloc01);
  55   size01 = set01.size();
  56   my_set set02(less<char>(), alloc01);
  57   size02 = set02.size();
  58
  59   set01.swap(set02);
  60   VERIFY( set01.size() == size02 );
  61   VERIFY( set01.empty() );
  62   VERIFY( set02.size() == size01 );
  63   VERIFY( set02.empty() );
  64
  65   my_set set03(less<char>(), alloc01);
  66   size01 = set03.size();
  67   my_set set04(title02, title02 + N2, less<char>(), alloc01);
  68   size02 = set04.size();
  69
  70   set03.swap(set04);
  71   VERIFY( set03.size() == size02 );
  72   VERIFY( equal(set03.begin(), set03.end(), set02_ref.begin()) );
  73   VERIFY( set04.size() == size01 );
  74   VERIFY( set04.empty() );
  75
  76   my_set set05(title01, title01 + N1, less<char>(), alloc01);
  77   size01 = set05.size();
  78   my_set set06(title02, title02 + N2, less<char>(), alloc01);
  79   size02 = set06.size();
  80
  81   set05.swap(set06);
  82   VERIFY( set05.size() == size02 );
  83   VERIFY( equal(set05.begin(), set05.end(), set02_ref.begin()) );
  84   VERIFY( set06.size() == size01 );
  85   VERIFY( equal(set06.begin(), set06.end(), set01_ref.begin()) );
  86
  87   my_set set07(title01, title01 + N1, less<char>(), alloc01);
  88   size01 = set07.size();
  89   my_set set08(title03, title03 + N3, less<char>(), alloc01);
  90   size02 = set08.size();
  91
  92   set07.swap(set08);
  93   VERIFY( set07.size() == size02 );
  94   VERIFY( equal(set07.begin(), set07.end(), set03_ref.begin()) );
  95   VERIFY( set08.size() == size01 );
  96   VERIFY( equal(set08.begin(), set08.end(), set01_ref.begin()) );
  97
  98   my_set set09(title03, title03 + N3, less<char>(), alloc01);
  99   size01 = set09.size();
 100   my_set set10(title04, title04 + N4, less<char>(), alloc01);
 101   size02 = set10.size();
 102
 103   set09.swap(set10);
 104   VERIFY( set09.size() == size02 );
 105   VERIFY( equal(set09.begin(), set09.end(), set04_ref.begin()) );
 106   VERIFY( set10.size() == size01 );
 107   VERIFY( equal(set10.begin(), set10.end(), set03_ref.begin()) );
 108
 109   my_set set11(title04, title04 + N4, less<char>(), alloc01);
 110   size01 = set11.size();
 111   my_set set12(title01, title01 + N1, less<char>(), alloc01);
 112   size02 = set12.size();
 113
 114   set11.swap(set12);
 115   VERIFY( set11.size() == size02 );
 116   VERIFY( equal(set11.begin(), set11.end(), set01_ref.begin()) );
 117   VERIFY( set12.size() == size01 );
 118   VERIFY( equal(set12.begin(), set12.end(), set04_ref.begin()) );
 119
 120   my_set set13(title03, title03 + N3, less<char>(), alloc01);
 121   size01 = set13.size();
 122   my_set set14(title03, title03 + N3, less<char>(), alloc01);
 123   size02 = set14.size();
 124
 125   set13.swap(set14);
 126   VERIFY( set13.size() == size02 );
 127   VERIFY( equal(set13.begin(), set13.end(), set03_ref.begin()) );
 128   VERIFY( set14.size() == size01 );
 129   VERIFY( equal(set14.begin(), set14.end(), set03_ref.begin()) );
 130 }
 131
 132 int main()
 133 {
 134   test01();
 135   return 0;
 136 }