test/std/algorithms/alg.modifying.operations/alg.move/move.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is dual licensed under the MIT and the University of Illinois Open
   6 // Source Licenses. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 // <algorithm>
  11
  12 // template<InputIterator InIter, typename OutIter>
  13 //   requires OutputIterator<OutIter, RvalueOf<InIter::reference>::type>
  14 //   OutIter
  15 //   move(InIter first, InIter last, OutIter result);
  16
  17 #include <algorithm>
  18 #include <cassert>
  19 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
  20 #include <memory>
  21 #endif
  22
  23 #include "test_iterators.h"
  24
  25 template <class InIter, class OutIter>
  26 void
  27 test()
  28 {
  29     const unsigned N = 1000;
  30     int ia[N];
  31     for (unsigned i = 0; i < N; ++i)
  32         ia[i] = i;
  33     int ib[N] = {0};
  34
  35     OutIter r = std::move(InIter(ia), InIter(ia+N), OutIter(ib));
  36     assert(base(r) == ib+N);
  37     for (unsigned i = 0; i < N; ++i)
  38         assert(ia[i] == ib[i]);
  39 }
  40
  41 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
  42
  43 template <class InIter, class OutIter>
  44 void
  45 test1()
  46 {
  47     const unsigned N = 100;
  48     std::unique_ptr<int> ia[N];
  49     for (unsigned i = 0; i < N; ++i)
  50         ia[i].reset(new int(i));
  51     std::unique_ptr<int> ib[N];
  52
  53     OutIter r = std::move(InIter(ia), InIter(ia+N), OutIter(ib));
  54     assert(base(r) == ib+N);
  55     for (unsigned i = 0; i < N; ++i)
  56         assert(*ib[i] == static_cast<int>(i));
  57 }
  58
  59 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
  60
  61 int main()
  62 {
  63     test<input_iterator<const int*>, output_iterator<int*> >();
  64     test<input_iterator<const int*>, input_iterator<int*> >();
  65     test<input_iterator<const int*>, forward_iterator<int*> >();
  66     test<input_iterator<const int*>, bidirectional_iterator<int*> >();
  67     test<input_iterator<const int*>, random_access_iterator<int*> >();
  68     test<input_iterator<const int*>, int*>();
  69
  70     test<forward_iterator<const int*>, output_iterator<int*> >();
  71     test<forward_iterator<const int*>, input_iterator<int*> >();
  72     test<forward_iterator<const int*>, forward_iterator<int*> >();
  73     test<forward_iterator<const int*>, bidirectional_iterator<int*> >();
  74     test<forward_iterator<const int*>, random_access_iterator<int*> >();
  75     test<forward_iterator<const int*>, int*>();
  76
  77     test<bidirectional_iterator<const int*>, output_iterator<int*> >();
  78     test<bidirectional_iterator<const int*>, input_iterator<int*> >();
  79     test<bidirectional_iterator<const int*>, forward_iterator<int*> >();
  80     test<bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
  81     test<bidirectional_iterator<const int*>, random_access_iterator<int*> >();
  82     test<bidirectional_iterator<const int*>, int*>();
  83
  84     test<random_access_iterator<const int*>, output_iterator<int*> >();
  85     test<random_access_iterator<const int*>, input_iterator<int*> >();
  86     test<random_access_iterator<const int*>, forward_iterator<int*> >();
  87     test<random_access_iterator<const int*>, bidirectional_iterator<int*> >();
  88     test<random_access_iterator<const int*>, random_access_iterator<int*> >();
  89     test<random_access_iterator<const int*>, int*>();
  90
  91     test<const int*, output_iterator<int*> >();
  92     test<const int*, input_iterator<int*> >();
  93     test<const int*, forward_iterator<int*> >();
  94     test<const int*, bidirectional_iterator<int*> >();
  95     test<const int*, random_access_iterator<int*> >();
  96     test<const int*, int*>();
  97
  98 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
  99     test1<input_iterator<std::unique_ptr<int>*>, output_iterator<std::unique_ptr<int>*> >();
 100     test1<input_iterator<std::unique_ptr<int>*>, input_iterator<std::unique_ptr<int>*> >();
 101     test1<input_iterator<std::unique_ptr<int>*>, forward_iterator<std::unique_ptr<int>*> >();
 102     test1<input_iterator<std::unique_ptr<int>*>, bidirectional_iterator<std::unique_ptr<int>*> >();
 103     test1<input_iterator<std::unique_ptr<int>*>, random_access_iterator<std::unique_ptr<int>*> >();
 104     test1<input_iterator<std::unique_ptr<int>*>, std::unique_ptr<int>*>();
 105
 106     test1<forward_iterator<std::unique_ptr<int>*>, output_iterator<std::unique_ptr<int>*> >();
 107     test1<forward_iterator<std::unique_ptr<int>*>, input_iterator<std::unique_ptr<int>*> >();
 108     test1<forward_iterator<std::unique_ptr<int>*>, forward_iterator<std::unique_ptr<int>*> >();
 109     test1<forward_iterator<std::unique_ptr<int>*>, bidirectional_iterator<std::unique_ptr<int>*> >();
 110     test1<forward_iterator<std::unique_ptr<int>*>, random_access_iterator<std::unique_ptr<int>*> >();
 111     test1<forward_iterator<std::unique_ptr<int>*>, std::unique_ptr<int>*>();
 112
 113     test1<bidirectional_iterator<std::unique_ptr<int>*>, output_iterator<std::unique_ptr<int>*> >();
 114     test1<bidirectional_iterator<std::unique_ptr<int>*>, input_iterator<std::unique_ptr<int>*> >();
 115     test1<bidirectional_iterator<std::unique_ptr<int>*>, forward_iterator<std::unique_ptr<int>*> >();
 116     test1<bidirectional_iterator<std::unique_ptr<int>*>, bidirectional_iterator<std::unique_ptr<int>*> >();
 117     test1<bidirectional_iterator<std::unique_ptr<int>*>, random_access_iterator<std::unique_ptr<int>*> >();
 118     test1<bidirectional_iterator<std::unique_ptr<int>*>, std::unique_ptr<int>*>();
 119
 120     test1<random_access_iterator<std::unique_ptr<int>*>, output_iterator<std::unique_ptr<int>*> >();
 121     test1<random_access_iterator<std::unique_ptr<int>*>, input_iterator<std::unique_ptr<int>*> >();
 122     test1<random_access_iterator<std::unique_ptr<int>*>, forward_iterator<std::unique_ptr<int>*> >();
 123     test1<random_access_iterator<std::unique_ptr<int>*>, bidirectional_iterator<std::unique_ptr<int>*> >();
 124     test1<random_access_iterator<std::unique_ptr<int>*>, random_access_iterator<std::unique_ptr<int>*> >();
 125     test1<random_access_iterator<std::unique_ptr<int>*>, std::unique_ptr<int>*>();
 126
 127     test1<std::unique_ptr<int>*, output_iterator<std::unique_ptr<int>*> >();
 128     test1<std::unique_ptr<int>*, input_iterator<std::unique_ptr<int>*> >();
 129     test1<std::unique_ptr<int>*, forward_iterator<std::unique_ptr<int>*> >();
 130     test1<std::unique_ptr<int>*, bidirectional_iterator<std::unique_ptr<int>*> >();
 131     test1<std::unique_ptr<int>*, random_access_iterator<std::unique_ptr<int>*> >();
 132     test1<std::unique_ptr<int>*, std::unique_ptr<int>*>();
 133 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 134 }