libstdc++-v3/testsuite/25_algorithms/heap/moveable2.cc

   1 // Copyright (C) 2009-2016 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 // { dg-options "-DITERATIONS=5" { target simulator } }
  19 // { dg-do run { target c++11 } }
  20
  21 // 25.3.6 Heap operations [lib.alg.heap.operations]
  22
  23 #undef _GLIBCXX_CONCEPT_CHECKS
  24
  25 #include <algorithm>
  26 #include <testsuite_hooks.h>
  27 #include <testsuite_iterators.h>
  28 #include <testsuite_rvalref.h>
  29
  30 #ifndef ITERATIONS
  31 #define ITERATIONS 9
  32 #endif
  33
  34 using __gnu_test::test_container;
  35 using __gnu_test::random_access_iterator_wrapper;
  36 using __gnu_test::rvalstruct;
  37
  38 typedef test_container<rvalstruct, random_access_iterator_wrapper> container;
  39 typedef test_container<int, random_access_iterator_wrapper> container_ref;
  40
  41 bool are_ordered(const rvalstruct& lhs, const rvalstruct& rhs)
  42 { return lhs < rhs; }
  43
  44 bool are_ordered_int(const int& lhs, const int& rhs)
  45 { return lhs < rhs; }
  46
  47 void
  48 check_make(int* array, int length)
  49 {
  50   bool test __attribute__((unused)) = true;
  51
  52   rvalstruct makeheap[9];
  53   int        makeheap_ref[9];
  54   std::copy(array, array + length, makeheap);
  55   std::copy(array, array + length, makeheap_ref);
  56   container makecon(makeheap, makeheap + length);
  57   container_ref makecon_ref(makeheap_ref, makeheap_ref + length);
  58   std::make_heap(makecon.begin(), makecon.end(), are_ordered);
  59   std::make_heap(makecon_ref.begin(), makecon_ref.end(), are_ordered_int);
  60   for (int z = 0; z < length; ++z)
  61     VERIFY( makeheap[z] == makeheap_ref[z] );
  62   VERIFY( std::__is_heap(makecon.begin(), makecon.end(), are_ordered) );
  63   for (int z = 0; z < length; ++z)
  64     VERIFY( makeheap[z].valid );
  65 }
  66
  67 void
  68 check_pop(int* array, int length)
  69 {
  70   bool test __attribute__((unused)) = true;
  71
  72   rvalstruct popheap[9];
  73   int        popheap_ref[9];
  74   std::copy(array, array + length, popheap);
  75   std::copy(array, array + length, popheap_ref);
  76   container popcon(popheap, popheap + length);
  77   container_ref popcon_ref(popheap_ref, popheap_ref + length);
  78   std::pop_heap(popcon.begin(), popcon.end(), are_ordered);
  79   std::pop_heap(popcon_ref.begin(), popcon_ref.end(), are_ordered_int);
  80   for (int z = 0; z < length; ++z)
  81     VERIFY( popheap[z] == popheap_ref[z] );
  82   VERIFY( (std::__is_heap(popheap, popheap + length - 1), are_ordered) );
  83   for (int z = 0; z < length; ++z)
  84     VERIFY( popheap[z].val <= popheap[length-1].val && popheap[z].valid );
  85 }
  86
  87 void
  88 check_sort(int* array, int length)
  89 {
  90   bool test __attribute__((unused)) = true;
  91
  92   rvalstruct sortheap[9];
  93   int        sortheap_ref[9];
  94   std::copy(array, array + length, sortheap);
  95   std::copy(array, array + length, sortheap_ref);
  96   container sortcon(sortheap, sortheap + length);
  97   container_ref sortcon_ref(sortheap_ref, sortheap_ref + length);
  98   std::sort_heap(sortcon.begin(), sortcon.end(), are_ordered);
  99   std::sort_heap(sortcon_ref.begin(), sortcon_ref.end(), are_ordered_int);
 100   for (int z = 0; z < length; ++z)
 101     VERIFY( sortheap[z] == sortheap_ref[z] );
 102   for (int z = 0; z < length - 1; ++z)
 103     VERIFY( sortheap[z].val <= sortheap[z + 1].val && sortheap[z].valid );
 104   VERIFY( sortheap[length - 1].valid );
 105 }
 106
 107 void
 108 check_push(int* array, int pushval, int length)
 109 {
 110   bool test __attribute__((unused)) = true;
 111
 112   rvalstruct pushheap[10];
 113   int        pushheap_ref[10];
 114   std::copy(array, array + length, pushheap);
 115   std::copy(array, array + length, pushheap_ref);
 116   pushheap[length] = pushval;
 117   pushheap_ref[length] = pushval;
 118   container pushcon(pushheap, pushheap + length + 1);
 119   container_ref pushcon_ref(pushheap_ref, pushheap_ref + length + 1);
 120   std::push_heap(pushcon.begin(), pushcon.end(), are_ordered);
 121   std::push_heap(pushcon_ref.begin(), pushcon_ref.end(), are_ordered_int);
 122   for (int z = 0; z < length + 1; ++z)
 123     VERIFY( pushheap[z] == pushheap_ref[z] );
 124   VERIFY( std::__is_heap(pushheap, pushheap + length + 1) );
 125   for (int z = 0; z < length + 1; ++z)
 126     VERIFY( pushheap[z].valid );
 127 }
 128
 129 void
 130 test01()
 131 {
 132   int array[9];
 133   for (int i = 1; i < ITERATIONS; ++i)
 134     {
 135       for(int z = 0; z < i; ++z)
 136         array[z] = z;
 137       while (std::next_permutation(array, array + i))
 138         {
 139           check_make(array, i);
 140           if (std::__is_heap(array, array + i, are_ordered_int))
 141             {
 142               check_pop(array, i);
 143               check_sort(array, i);
 144               for (int pushval = -1; pushval <= i; ++pushval)
 145                 check_push(array, pushval, i);
 146             }
 147         }
 148     }
 149 }
 150
 151 int
 152 main()
 153 {
 154   test01();
 155   return 0;
 156 }