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// <iterator>
11
12// move_iterator
13
14// template <class U>
15//   requires HasAssign<Iter, const U&>
16//   move_iterator&
17//   operator=(const move_iterator<U>& u);
18
19#include <iterator>
20#include <cassert>
21
22#include "test_iterators.h"
23
24template <class It, class U>
25void
26test(U u)
27{
28    const std::move_iterator<U> r2(u);
29    std::move_iterator<It> r1;
30    std::move_iterator<It>& rr = r1 = r2;
31    assert(r1.base() == u);
32    assert(&rr == &r1);
33}
34
35struct Base {};
36struct Derived : Base {};
37
38int main()
39{
40    Derived d;
41
42    test<input_iterator<Base*> >(input_iterator<Derived*>(&d));
43    test<forward_iterator<Base*> >(forward_iterator<Derived*>(&d));
44    test<bidirectional_iterator<Base*> >(bidirectional_iterator<Derived*>(&d));
45    test<random_access_iterator<const Base*> >(random_access_iterator<Derived*>(&d));
46    test<Base*>(&d);
47}
48