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

   1 // { dg-options "-std=gnu++0x" }
   2
   3 // Copyright (C) 2007 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 2, 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 Pred 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 COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 #undef _GLIBCXX_CONCEPT_CHECKS
  22 #define  _GLIBCXX_TESTSUITE_ALLOW_RVALREF_ALIASING
  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::bidirectional_iterator_wrapper;
  31 using __gnu_test::rvalstruct;
  32 using std::move_backward;
  33
  34 typedef test_container<rvalstruct,
  35                        bidirectional_iterator_wrapper> container_in;
  36 typedef test_container<rvalstruct,
  37                        bidirectional_iterator_wrapper> container_out;
  38
  39 void test01()
  40 {
  41   bool test __attribute__((unused)) = true;
  42
  43   int inarray[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
  44   const int size = sizeof(inarray) / sizeof(int);
  45
  46   rvalstruct in[size], out[size];
  47   std::copy(inarray, inarray + size, in);
  48   std::fill(out, out + size, 0);
  49
  50   container_in incon(in, in + size);
  51   container_out outcon(out, out + size);
  52
  53   move_backward(incon.begin(), incon.end(), outcon.end());
  54   VERIFY( std::equal(out, out + size, inarray) );
  55   for (int z = 0; z < size; ++z)
  56     VERIFY( out[z].valid );
  57   for (int z = 0; z < size; ++z)
  58     VERIFY( !in[z].valid );
  59 }
  60
  61
  62 int main()
  63 {
  64   test01();
  65   return 0;
  66 }