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

   1 // { dg-require-rvalref "" }
   2 // { dg-options "-std=gnu++0x" }
   3
   4 // Copyright (C) 2005, 2007 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 2, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING.  If not, write to the Free
  19 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  20 // USA.
  21
  22 // 25.3.2 [lib.alg.nth.element]
  23
  24 #undef _GLIBCXX_CONCEPT_CHECKS
  25
  26 #include <algorithm>
  27 #include <testsuite_hooks.h>
  28 #include <testsuite_iterators.h>
  29 #include <testsuite_rvalref.h>
  30
  31 using __gnu_test::test_container;
  32 using __gnu_test::random_access_iterator_wrapper;
  33 using std::nth_element;
  34 using __gnu_test::rvalstruct;
  35
  36 typedef test_container<rvalstruct, random_access_iterator_wrapper> Container;
  37
  38 void
  39 test1()
  40 {
  41   int intarray[] = {6, 5, 4, 3, 2, 1, 0};
  42   rvalstruct array[7];
  43   std::copy(intarray, intarray + 7, array);
  44   Container con(array, array + 7);
  45   nth_element(con.begin(), con.it(3), con.end());
  46   for(int i = 0; i < 3; ++i)
  47     VERIFY(array[i].val < 3);
  48   for(int i = 4; i < 7; ++i)
  49     VERIFY(array[i].val > 3);
  50   for(int i = 0; i < 7; ++i)
  51     VERIFY(array[i].valid);
  52 }
  53
  54 void
  55 test2()
  56 {
  57   int intarray[] = {0, 6, 1, 5, 2, 4, 3};
  58   rvalstruct array[7];
  59   std::copy(intarray, intarray + 7, array);
  60   Container con(array,array + 7);
  61   nth_element(con.begin(), con.it(3), con.end());
  62   for(int i = 0; i < 3; ++i)
  63     VERIFY(array[i].val < 3);
  64   for(int i = 4; i < 7; ++i)
  65     VERIFY(array[i].val > 3);
  66   for(int i = 0; i < 7; ++i)
  67     VERIFY(array[i].valid);
  68 }
  69
  70 int
  71 main()
  72 {
  73   test1();
  74   test2();
  75   return 0;
  76 }