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

   1 // Copyright (C) 2005-2014 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 // 25.1.2 find_if
  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 array[] = {0, 0, 0, 1, 0, 1};
  29
  30 bool
  31 predicate(const int& i)
  32 { return i == 1; }
  33
  34 void
  35 test1()
  36 {
  37   bool test __attribute__((unused)) = true;
  38
  39   Container con(array, array);
  40   VERIFY( std::find_if(con.begin(), con.end(),
  41                        predicate).ptr == array );
  42 }
  43
  44 void
  45 test2()
  46 {
  47   bool test __attribute__((unused)) = true;
  48
  49   Container con(array, array + 1);
  50   VERIFY( std::find_if(con.begin(), con.end(),
  51                        predicate).ptr == array + 1 );
  52 }
  53
  54 void
  55 test3()
  56 {
  57   bool test __attribute__((unused)) = true;
  58
  59   Container con(array, array + 6);
  60   VERIFY( std::find_if(con.begin(), con.end(),
  61                        predicate).ptr == array + 3 );
  62 }
  63
  64 int
  65 main()
  66 {
  67   test1();
  68   test2();
  69   test3();
  70   return 0;
  71 }