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

   1 // Copyright (C) 2005-2020 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 // 25.2.4 replace_copy
  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 using __gnu_test::output_iterator_wrapper;
  27
  28 typedef test_container<int, input_iterator_wrapper> Icontainer;
  29 typedef test_container<int, output_iterator_wrapper> Ocontainer;
  30 int array[] = {0, 0, 0, 1, 0, 1};
  31
  32 void
  33 test1()
  34 {
  35   int out[1];
  36   Icontainer in_con(array, array);
  37   Ocontainer out_con(out, out);
  38   VERIFY(std::replace_copy(in_con.begin(), in_con.end(),
  39                            out_con.begin(), 1, 1).ptr == out);
  40 }
  41
  42 void
  43 test2()
  44 {
  45   int out[1];
  46   Icontainer in_con(array, array + 1);
  47   Ocontainer out_con(out, out + 1);
  48   VERIFY(std::replace_copy(in_con.begin(), in_con.end(),
  49                            out_con.begin(), 0, 1).ptr == out + 1);
  50   VERIFY(out[0] == 1);
  51 }
  52
  53 void
  54 test3()
  55 {
  56   int out[6];
  57   Icontainer in_con(array, array + 6);
  58   Ocontainer out_con(out, out + 6);
  59   VERIFY(std::replace_copy(in_con.begin(), in_con.end(),
  60                            out_con.begin(), 1, 2).ptr == out + 6);
  61   VERIFY(out[0] == 0 && out[1] == 0 && out[2] == 0 &&
  62          out[3] == 2 && out[4] == 0 && out[5] == 2);
  63 }
  64
  65 int
  66 main()
  67 {
  68   test1();
  69   test2();
  70   test3();
  71 }