libstdc++-v3/testsuite/25_algorithms/mismatch/1.cc

   1 // Copyright (C) 2005-2025 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // 25.1.7 [lib.mismatch]
  19
  20 #include <algorithm>
  21 #include <testsuite_hooks.h>
  22 #include <testsuite_iterators.h>
  23
  24 using __gnu_test::test_container;
  25 using __gnu_test::input_iterator_wrapper;
  26
  27 typedef test_container<int, input_iterator_wrapper> Container;
  28 int array1[] = {0, 1};
  29 int array2[] = {1, 0};
  30 int array3[] = {1, 0, 1};
  31
  32 bool __attribute__((unused)) test = false;
  33
  34 void test1a()
  35 {
  36   Container con1(array1, array1);
  37   Container con2(array2, array2);
  38   VERIFY( std::mismatch(con1.begin(), con1.end(), con2.begin()).first.ptr
  39           == array1 );
  40 }
  41
  42 void test1b()
  43 {
  44   Container con1(array1, array1);
  45   Container con2(array2, array2);
  46   VERIFY( std::mismatch(con1.begin(), con1.end(), con2.begin()).second.ptr
  47           == array2 );
  48 }
  49
  50 void test2a()
  51 {
  52   Container con1(array1, array1 + 2);
  53   Container con2(array2, array2 + 2);
  54   VERIFY( std::mismatch(con1.begin(), con1.end(), con2.begin()).first.ptr
  55           == array1 );
  56 }
  57
  58 void test2b()
  59 {
  60   Container con1(array1, array1 + 2);
  61   Container con2(array2, array2 + 2);
  62   VERIFY( std::mismatch(con1.begin(), con1.end(), con2.begin()).second.ptr
  63           == array2 );
  64 }
  65
  66 void test3a()
  67 {
  68   Container con3(array3, array3 + 2);
  69   Container con2(array2, array2 + 2);
  70   VERIFY( std::mismatch(con3.begin(), con3.end(), con2.begin()).first.ptr
  71           == array3 + 2 );
  72 }
  73
  74 void test3b()
  75 {
  76   Container con3(array3, array3 + 2);
  77   Container con2(array2, array2 + 2);
  78   VERIFY( std::mismatch(con3.begin(), con3.end(), con2.begin()).second.ptr
  79           == array2 + 2 );
  80 }
  81
  82 int main()
  83 {
  84   test1a();
  85   test1b();
  86   test2a();
  87   test2b();
  88   test3a();
  89   test3b();
  90 }