reverse_iterator.pass.cpp revision ba1920fe4b98e61fe47b432689c98b999f5139e3 
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// reverse_iterator
13
14// template <class U>
15//   requires HasAssign<Iter, const U&>
16//   reverse_iterator&
17//   operator=(const reverse_iterator<U>& u);
18
19#include <iterator>
20#include <cassert>
21
22#include "../../../../../iterators.h"
23
24template <class It, class U>
25void
26test(U u)
27{
28    const std::reverse_iterator<U> r2(u);
29    std::reverse_iterator<It> r1;
30    std::reverse_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<bidirectional_iterator<base*> >(bidirectional_iterator<derived*>(&d));
43    test<random_access_iterator<const base*> >(random_access_iterator<derived*>(&d));
44    test<base*>(&d);
45}
46