libstdc++-v3/testsuite/25_algorithms/remove_if/moveable.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // Copyright (C) 2005-2021 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 // 25.2.4 remove
  21
  22 #undef _GLIBCXX_CONCEPT_CHECKS
  23
  24 #include <algorithm>
  25 #include <testsuite_hooks.h>
  26 #include <testsuite_iterators.h>
  27 #include <testsuite_rvalref.h>
  28
  29 using __gnu_test::test_container;
  30 using __gnu_test::forward_iterator_wrapper;
  31 using __gnu_test::rvalstruct;
  32
  33 typedef test_container<rvalstruct, forward_iterator_wrapper> Container;
  34
  35 bool equal1(rvalstruct& in) { return in.val == 1; }
  36 bool equal0(rvalstruct& in) { return in.val == 0; }
  37
  38 void
  39 test1()
  40 {
  41   int intarray[] = {1};
  42   rvalstruct array[1];
  43   std::copy(intarray, intarray + 1, array);
  44   Container con(array, array + 1);
  45   VERIFY(std::remove_if(con.begin(), con.end(), equal0).ptr == array + 1);
  46   VERIFY(std::remove_if(con.begin(), con.end(), equal1).ptr == array);
  47 }
  48
  49 void
  50 test2()
  51 {
  52   int intarray[] = {0, 1, 0, 1, 0, 0, 1, 1};
  53   rvalstruct array[8];
  54   std::copy(intarray, intarray + 8, array);
  55   Container con(array, array + 8);
  56   VERIFY(std::remove_if(con.begin(), con.end(), equal1).ptr == array + 4);
  57   VERIFY(array[0] == 0 && array[1] == 0 && array[2] == 0 &&
  58          array[3] == 0);
  59 }
  60
  61 int
  62 main()
  63 {
  64   test1();
  65   test2();
  66 }