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<ForwardIterator Iter, class T>
13//   requires OutputIterator<Iter, RvalueOf<Iter::reference>::type>
14//         && HasEqualTo<Iter::value_type, T>
15//   Iter
16//   remove(Iter first, Iter last, const T& value);
17
18#include <algorithm>
19#include <cassert>
20#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
21#include <memory>
22#endif
23
24#include "test_iterators.h"
25
26template <class Iter>
27void
28test()
29{
30    int ia[] = {0, 1, 2, 3, 4, 2, 3, 4, 2};
31    const unsigned sa = sizeof(ia)/sizeof(ia[0]);
32    Iter r = std::remove(Iter(ia), Iter(ia+sa), 2);
33    assert(base(r) == ia + sa-3);
34    assert(ia[0] == 0);
35    assert(ia[1] == 1);
36    assert(ia[2] == 3);
37    assert(ia[3] == 4);
38    assert(ia[4] == 3);
39    assert(ia[5] == 4);
40}
41
42#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
43
44template <class Iter>
45void
46test1()
47{
48    const unsigned sa = 9;
49    std::unique_ptr<int> ia[sa];
50    ia[0].reset(new int(0));
51    ia[1].reset(new int(1));
52    ia[3].reset(new int(3));
53    ia[4].reset(new int(4));
54    ia[6].reset(new int(3));
55    ia[7].reset(new int(4));
56    Iter r = std::remove(Iter(ia), Iter(ia+sa), std::unique_ptr<int>());
57    assert(base(r) == ia + sa-3);
58    assert(*ia[0] == 0);
59    assert(*ia[1] == 1);
60    assert(*ia[2] == 3);
61    assert(*ia[3] == 4);
62    assert(*ia[4] == 3);
63    assert(*ia[5] == 4);
64}
65
66#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
67
68int main()
69{
70    test<forward_iterator<int*> >();
71    test<bidirectional_iterator<int*> >();
72    test<random_access_iterator<int*> >();
73    test<int*>();
74
75#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
76
77    test1<forward_iterator<std::unique_ptr<int>*> >();
78    test1<bidirectional_iterator<std::unique_ptr<int>*> >();
79    test1<random_access_iterator<std::unique_ptr<int>*> >();
80    test1<std::unique_ptr<int>*>();
81
82#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
83}
84