blob: c5f7a457c7449481f81933977bb7c63643973522 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <iterator>
// reverse_iterator
// requires RandomAccessIterator<Iter>
// reverse_iterator operator+(difference_type n) const;
#include <iterator>
#include <cassert>
#include "../../../../iterators.h"
template <class It>
void
test(It i, typename std::iterator_traits<It>::difference_type n, It x)
{
const std::reverse_iterator<It> r(i);
std::reverse_iterator<It> rr = r + n;
assert(rr.base() == x);
}
int main()
{
const char* s = "1234567890";
test(random_access_iterator<const char*>(s+5), 5, random_access_iterator<const char*>(s));
test(s+5, 5, s);
}
|