libstdc++-v3/testsuite/23_containers/deque/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 // 23.2.1.3 deque::swap
  21
  22 #include <deque>
  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 deque<char, my_alloc> my_deque;
  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_deque::size_type size01, size02;
  46
  47   my_alloc alloc01(1);
  48
  49   my_deque deq01(alloc01);
  50   size01 = deq01.size();
  51   my_deque deq02(alloc01);
  52   size02 = deq02.size();
  53
  54   deq01.swap(deq02);
  55   VERIFY( deq01.size() == size02 );
  56   VERIFY( deq01.empty() );
  57   VERIFY( deq02.size() == size01 );
  58   VERIFY( deq02.empty() );
  59
  60   my_deque deq03(alloc01);
  61   size01 = deq03.size();
  62   my_deque deq04(title02, title02 + N2, alloc01);
  63   size02 = deq04.size();
  64
  65   deq03.swap(deq04);
  66   VERIFY( deq03.size() == size02 );
  67   VERIFY( equal(deq03.begin(), deq03.end(), title02) );
  68   VERIFY( deq04.size() == size01 );
  69   VERIFY( deq04.empty() );
  70
  71   my_deque deq05(title01, title01 + N1, alloc01);
  72   size01 = deq05.size();
  73   my_deque deq06(title02, title02 + N2, alloc01);
  74   size02 = deq06.size();
  75
  76   deq05.swap(deq06);
  77   VERIFY( deq05.size() == size02 );
  78   VERIFY( equal(deq05.begin(), deq05.end(), title02) );
  79   VERIFY( deq06.size() == size01 );
  80   VERIFY( equal(deq06.begin(), deq06.end(), title01) );
  81
  82   my_deque deq07(title01, title01 + N1, alloc01);
  83   size01 = deq07.size();
  84   my_deque deq08(title03, title03 + N3, alloc01);
  85   size02 = deq08.size();
  86
  87   deq07.swap(deq08);
  88   VERIFY( deq07.size() == size02 );
  89   VERIFY( equal(deq07.begin(), deq07.end(), title03) );
  90   VERIFY( deq08.size() == size01 );
  91   VERIFY( equal(deq08.begin(), deq08.end(), title01) );
  92
  93   my_deque deq09(title03, title03 + N3, alloc01);
  94   size01 = deq09.size();
  95   my_deque deq10(title04, title04 + N4, alloc01);
  96   size02 = deq10.size();
  97
  98   deq09.swap(deq10);
  99   VERIFY( deq09.size() == size02 );
 100   VERIFY( equal(deq09.begin(), deq09.end(), title04) );
 101   VERIFY( deq10.size() == size01 );
 102   VERIFY( equal(deq10.begin(), deq10.end(), title03) );
 103
 104   my_deque deq11(title04, title04 + N4, alloc01);
 105   size01 = deq11.size();
 106   my_deque deq12(title01, title01 + N1, alloc01);
 107   size02 = deq12.size();
 108
 109   deq11.swap(deq12);
 110   VERIFY( deq11.size() == size02 );
 111   VERIFY( equal(deq11.begin(), deq11.end(), title01) );
 112   VERIFY( deq12.size() == size01 );
 113   VERIFY( equal(deq12.begin(), deq12.end(), title04) );
 114
 115   my_deque deq13(title03, title03 + N3, alloc01);
 116   size01 = deq13.size();
 117   my_deque deq14(title03, title03 + N3, alloc01);
 118   size02 = deq14.size();
 119
 120   deq13.swap(deq14);
 121   VERIFY( deq13.size() == size02 );
 122   VERIFY( equal(deq13.begin(), deq13.end(), title03) );
 123   VERIFY( deq14.size() == size01 );
 124   VERIFY( equal(deq14.begin(), deq14.end(), title03) );
 125 }
 126
 127 int main()
 128 {
 129   test01();
 130   return 0;
 131 }