xref: /llvm-project/libcxx/test/std/algorithms/alg.modifying.operations/alg.move/move.pass.cpp (revision 2df59c50688c122bbcae7467d3eaf862c3ea3088)
1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <algorithm>
10 
11 // template<InputIterator InIter, typename OutIter>
12 //   requires OutputIterator<OutIter, RvalueOf<InIter::reference>::type>
13 //   OutIter
14 //   move(InIter first, InIter last, OutIter result);
15 
16 #include <algorithm>
17 #include <cassert>
18 #include <memory>
19 
20 #include "test_macros.h"
21 #include "test_iterators.h"
22 
23 template <class InIter, class OutIter>
24 void
25 test()
26 {
27     const unsigned N = 1000;
28     int ia[N];
29     for (unsigned i = 0; i < N; ++i)
30         ia[i] = i;
31     int ib[N] = {0};
32 
33     OutIter r = std::move(InIter(ia), InIter(ia+N), OutIter(ib));
34     assert(base(r) == ib+N);
35     for (unsigned i = 0; i < N; ++i)
36         assert(ia[i] == ib[i]);
37 }
38 
39 #if TEST_STD_VER >= 11
40 template <class InIter, class OutIter>
41 void
42 test1()
43 {
44     const unsigned N = 100;
45     std::unique_ptr<int> ia[N];
46     for (unsigned i = 0; i < N; ++i)
47         ia[i].reset(new int(i));
48     std::unique_ptr<int> ib[N];
49 
50     OutIter r = std::move(InIter(ia), InIter(ia+N), OutIter(ib));
51     assert(base(r) == ib+N);
52     for (unsigned i = 0; i < N; ++i)
53         assert(*ib[i] == static_cast<int>(i));
54 }
55 #endif
56 
57 int main(int, char**)
58 {
59     test<input_iterator<const int*>, output_iterator<int*> >();
60     test<input_iterator<const int*>, input_iterator<int*> >();
61     test<input_iterator<const int*>, forward_iterator<int*> >();
62     test<input_iterator<const int*>, bidirectional_iterator<int*> >();
63     test<input_iterator<const int*>, random_access_iterator<int*> >();
64     test<input_iterator<const int*>, int*>();
65 
66     test<forward_iterator<const int*>, output_iterator<int*> >();
67     test<forward_iterator<const int*>, input_iterator<int*> >();
68     test<forward_iterator<const int*>, forward_iterator<int*> >();
69     test<forward_iterator<const int*>, bidirectional_iterator<int*> >();
70     test<forward_iterator<const int*>, random_access_iterator<int*> >();
71     test<forward_iterator<const int*>, int*>();
72 
73     test<bidirectional_iterator<const int*>, output_iterator<int*> >();
74     test<bidirectional_iterator<const int*>, input_iterator<int*> >();
75     test<bidirectional_iterator<const int*>, forward_iterator<int*> >();
76     test<bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
77     test<bidirectional_iterator<const int*>, random_access_iterator<int*> >();
78     test<bidirectional_iterator<const int*>, int*>();
79 
80     test<random_access_iterator<const int*>, output_iterator<int*> >();
81     test<random_access_iterator<const int*>, input_iterator<int*> >();
82     test<random_access_iterator<const int*>, forward_iterator<int*> >();
83     test<random_access_iterator<const int*>, bidirectional_iterator<int*> >();
84     test<random_access_iterator<const int*>, random_access_iterator<int*> >();
85     test<random_access_iterator<const int*>, int*>();
86 
87     test<const int*, output_iterator<int*> >();
88     test<const int*, input_iterator<int*> >();
89     test<const int*, forward_iterator<int*> >();
90     test<const int*, bidirectional_iterator<int*> >();
91     test<const int*, random_access_iterator<int*> >();
92     test<const int*, int*>();
93 
94 #if TEST_STD_VER >= 11
95     test1<input_iterator<std::unique_ptr<int>*>, output_iterator<std::unique_ptr<int>*> >();
96     test1<input_iterator<std::unique_ptr<int>*>, input_iterator<std::unique_ptr<int>*> >();
97     test1<input_iterator<std::unique_ptr<int>*>, forward_iterator<std::unique_ptr<int>*> >();
98     test1<input_iterator<std::unique_ptr<int>*>, bidirectional_iterator<std::unique_ptr<int>*> >();
99     test1<input_iterator<std::unique_ptr<int>*>, random_access_iterator<std::unique_ptr<int>*> >();
100     test1<input_iterator<std::unique_ptr<int>*>, std::unique_ptr<int>*>();
101 
102     test1<forward_iterator<std::unique_ptr<int>*>, output_iterator<std::unique_ptr<int>*> >();
103     test1<forward_iterator<std::unique_ptr<int>*>, input_iterator<std::unique_ptr<int>*> >();
104     test1<forward_iterator<std::unique_ptr<int>*>, forward_iterator<std::unique_ptr<int>*> >();
105     test1<forward_iterator<std::unique_ptr<int>*>, bidirectional_iterator<std::unique_ptr<int>*> >();
106     test1<forward_iterator<std::unique_ptr<int>*>, random_access_iterator<std::unique_ptr<int>*> >();
107     test1<forward_iterator<std::unique_ptr<int>*>, std::unique_ptr<int>*>();
108 
109     test1<bidirectional_iterator<std::unique_ptr<int>*>, output_iterator<std::unique_ptr<int>*> >();
110     test1<bidirectional_iterator<std::unique_ptr<int>*>, input_iterator<std::unique_ptr<int>*> >();
111     test1<bidirectional_iterator<std::unique_ptr<int>*>, forward_iterator<std::unique_ptr<int>*> >();
112     test1<bidirectional_iterator<std::unique_ptr<int>*>, bidirectional_iterator<std::unique_ptr<int>*> >();
113     test1<bidirectional_iterator<std::unique_ptr<int>*>, random_access_iterator<std::unique_ptr<int>*> >();
114     test1<bidirectional_iterator<std::unique_ptr<int>*>, std::unique_ptr<int>*>();
115 
116     test1<random_access_iterator<std::unique_ptr<int>*>, output_iterator<std::unique_ptr<int>*> >();
117     test1<random_access_iterator<std::unique_ptr<int>*>, input_iterator<std::unique_ptr<int>*> >();
118     test1<random_access_iterator<std::unique_ptr<int>*>, forward_iterator<std::unique_ptr<int>*> >();
119     test1<random_access_iterator<std::unique_ptr<int>*>, bidirectional_iterator<std::unique_ptr<int>*> >();
120     test1<random_access_iterator<std::unique_ptr<int>*>, random_access_iterator<std::unique_ptr<int>*> >();
121     test1<random_access_iterator<std::unique_ptr<int>*>, std::unique_ptr<int>*>();
122 
123     test1<std::unique_ptr<int>*, output_iterator<std::unique_ptr<int>*> >();
124     test1<std::unique_ptr<int>*, input_iterator<std::unique_ptr<int>*> >();
125     test1<std::unique_ptr<int>*, forward_iterator<std::unique_ptr<int>*> >();
126     test1<std::unique_ptr<int>*, bidirectional_iterator<std::unique_ptr<int>*> >();
127     test1<std::unique_ptr<int>*, random_access_iterator<std::unique_ptr<int>*> >();
128     test1<std::unique_ptr<int>*, std::unique_ptr<int>*>();
129 #endif // TEST_STD_VER >= 11
130 
131   return 0;
132 }
133