test.pass.cpp revision b64f8b07c104c6cc986570ac8ee0ed16a9f23976 
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 <RandomAccessIterator Iter1, RandomAccessIterator Iter2>
15//   requires HasGreater<Iter1, Iter2>
16//   bool
17//   operator<(const reverse_iterator<Iter1>& x, const reverse_iterator<Iter2>& y);
18
19#include <iterator>
20#include <cassert>
21
22#include "../../../../iterators.h"
23
24template <class It>
25void
26test(It l, It r, bool x)
27{
28    const std::reverse_iterator<It> r1(l);
29    const std::reverse_iterator<It> r2(r);
30    assert((r1 < r2) == x);
31}
32
33int main()
34{
35    const char* s = "1234567890";
36    test(random_access_iterator<const char*>(s), random_access_iterator<const char*>(s), false);
37    test(random_access_iterator<const char*>(s), random_access_iterator<const char*>(s+1), false);
38    test(random_access_iterator<const char*>(s+1), random_access_iterator<const char*>(s), true);
39    test(s, s, false);
40    test(s, s+1, false);
41    test(s+1, s, true);
42}
43