libstdc++-v3/testsuite/23_containers/vector/modifiers/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 // 23.2.4.3 vector::swap
  21
  22 #include <vector>
  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 vector<char, my_alloc> my_vector;
  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   my_vector::size_type size01, size02;
  46
  47   my_alloc alloc01(1);
  48
  49   my_vector vec01(alloc01);
  50   size01 = vec01.size();
  51   my_vector vec02(alloc01);
  52   size02 = vec02.size();
  53
  54   vec01.swap(vec02);
  55   VERIFY( vec01.size() == size02 );
  56   VERIFY( vec01.empty() );
  57   VERIFY( vec02.size() == size01 );
  58   VERIFY( vec02.empty() );
  59
  60   my_vector vec03(alloc01);
  61   size01 = vec03.size();
  62   my_vector vec04(title02, title02 + N2, alloc01);
  63   size02 = vec04.size();
  64
  65   vec03.swap(vec04);
  66   VERIFY( vec03.size() == size02 );
  67   VERIFY( equal(vec03.begin(), vec03.end(), title02) );
  68   VERIFY( vec04.size() == size01 );
  69   VERIFY( vec04.empty() );
  70
  71   my_vector vec05(title01, title01 + N1, alloc01);
  72   size01 = vec05.size();
  73   my_vector vec06(title02, title02 + N2, alloc01);
  74   size02 = vec06.size();
  75
  76   vec05.swap(vec06);
  77   VERIFY( vec05.size() == size02 );
  78   VERIFY( equal(vec05.begin(), vec05.end(), title02) );
  79   VERIFY( vec06.size() == size01 );
  80   VERIFY( equal(vec06.begin(), vec06.end(), title01) );
  81
  82   my_vector vec07(title01, title01 + N1, alloc01);
  83   size01 = vec07.size();
  84   my_vector vec08(title03, title03 + N3, alloc01);
  85   size02 = vec08.size();
  86
  87   vec07.swap(vec08);
  88   VERIFY( vec07.size() == size02 );
  89   VERIFY( equal(vec07.begin(), vec07.end(), title03) );
  90   VERIFY( vec08.size() == size01 );
  91   VERIFY( equal(vec08.begin(), vec08.end(), title01) );
  92
  93   my_vector vec09(title03, title03 + N3, alloc01);
  94   size01 = vec09.size();
  95   my_vector vec10(title04, title04 + N4, alloc01);
  96   size02 = vec10.size();
  97
  98   vec09.swap(vec10);
  99   VERIFY( vec09.size() == size02 );
 100   VERIFY( equal(vec09.begin(), vec09.end(), title04) );
 101   VERIFY( vec10.size() == size01 );
 102   VERIFY( equal(vec10.begin(), vec10.end(), title03) );
 103
 104   my_vector vec11(title04, title04 + N4, alloc01);
 105   size01 = vec11.size();
 106   my_vector vec12(title01, title01 + N1, alloc01);
 107   size02 = vec12.size();
 108
 109   vec11.swap(vec12);
 110   VERIFY( vec11.size() == size02 );
 111   VERIFY( equal(vec11.begin(), vec11.end(), title01) );
 112   VERIFY( vec12.size() == size01 );
 113   VERIFY( equal(vec12.begin(), vec12.end(), title04) );
 114
 115   my_vector vec13(title03, title03 + N3, alloc01);
 116   size01 = vec13.size();
 117   my_vector vec14(title03, title03 + N3, alloc01);
 118   size02 = vec14.size();
 119
 120   vec13.swap(vec14);
 121   VERIFY( vec13.size() == size02 );
 122   VERIFY( equal(vec13.begin(), vec13.end(), title03) );
 123   VERIFY( vec14.size() == size01 );
 124   VERIFY( equal(vec14.begin(), vec14.end(), title03) );
 125 }
 126
 127 int main()
 128 {
 129   test01();
 130   return 0;
 131 }