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      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] == 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 }
    135