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

   1 // { dg-options "-std=gnu++0x" }
   2
   3 // 2008-06-26  Paolo Carlini  <paolo.carlini@oracle.com>
   4
   5 // Copyright (C) 2008 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 2, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING.  If not, write to the Free
  20 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  21 // USA.
  22
  23 #include <algorithm>
  24 #include <testsuite_hooks.h>
  25 #include <testsuite_iterators.h>
  26
  27 using __gnu_test::test_container;
  28 using __gnu_test::input_iterator_wrapper;
  29 using __gnu_test::output_iterator_wrapper;
  30
  31 typedef test_container<int, input_iterator_wrapper> Icontainer;
  32 typedef test_container<int, output_iterator_wrapper> Ocontainer;
  33 int array[] = {0, 5, 2, 1, 3, 4};
  34
  35 bool
  36 pred(int i)
  37 { return i > 2; }
  38
  39 void
  40 test1()
  41 {
  42   bool test __attribute__((unused)) = true;
  43
  44   int true_out[1] = { -1 };
  45   int false_out[1] = { -1 };
  46   Icontainer in_con(array, array);
  47   Ocontainer true_out_con(true_out, true_out);
  48   Ocontainer false_out_con(false_out, false_out);
  49
  50   std::pair<output_iterator_wrapper<int>, output_iterator_wrapper<int> > res =
  51     std::partition_copy(in_con.begin(), in_con.end(),
  52                         true_out_con.begin(), false_out_con.begin(), pred);
  53
  54   VERIFY( res.first.ptr == true_out );
  55   VERIFY( res.second.ptr == false_out );
  56 }
  57
  58 void
  59 test2()
  60 {
  61   bool test __attribute__((unused)) = true;
  62
  63   int true_out[1] = { -1 };
  64   int false_out[1] = { -1 };
  65   Icontainer in_con(array, array + 2);
  66   Ocontainer true_out_con(true_out, true_out + 1);
  67   Ocontainer false_out_con(false_out, false_out + 1);
  68
  69   std::pair<output_iterator_wrapper<int>, output_iterator_wrapper<int> > res =
  70     std::partition_copy(in_con.begin(), in_con.end(),
  71                         true_out_con.begin(), false_out_con.begin(), pred);
  72
  73   VERIFY( res.first.ptr == true_out + 1 );
  74   VERIFY( res.second.ptr == false_out + 1 );
  75   VERIFY( true_out[0] == 5 );
  76   VERIFY( false_out[0] == 0 );
  77 }
  78
  79 void
  80 test3()
  81 {
  82   bool test __attribute__((unused)) = true;
  83
  84   int true_out[3] = { -1, -1, -1 };
  85   int false_out[3] = { -1, -1, -1 };
  86   Icontainer in_con(array, array + 6);
  87   Ocontainer true_out_con(true_out, true_out + 3);
  88   Ocontainer false_out_con(false_out, false_out + 3);
  89
  90   std::pair<output_iterator_wrapper<int>, output_iterator_wrapper<int> > res =
  91     std::partition_copy(in_con.begin(), in_con.end(),
  92                         true_out_con.begin(), false_out_con.begin(), pred);
  93
  94   VERIFY( res.first.ptr == true_out + 3 );
  95   VERIFY( res.second.ptr == false_out + 3 );
  96   VERIFY( true_out[0] == 5 && true_out[1] == 3 && true_out[2] == 4 );
  97   VERIFY( false_out[0] == 0 && false_out[1] == 2 && false_out[2] == 1 );
  98 }
  99
 100 int
 101 main()
 102 {
 103   test1();
 104   test2();
 105   test3();
 106   return 0;
 107 }