minix/external/bsd/libc++/dist/libcxx/test/iterators/predef.iterators/move.iterators/move.iter.ops/move.iter.op.-=/difference_type.pass.cpp
Lionel Sambuc 4684ddb6aa LLVM Minix changes
- import libcxx
 - reduce targets to the one when compiled as a tools

Change-Id: Iabb8427f80ff8e89463559a28bcb8b4f2bdbc496
2014-07-28 17:05:59 +02:00

37 lines
940 B
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <iterator>
// move_iterator
// requires RandomAccessIterator<Iter>
// move_iterator& operator-=(difference_type n);
#include <iterator>
#include <cassert>
#include "test_iterators.h"
template <class It>
void
test(It i, typename std::iterator_traits<It>::difference_type n, It x)
{
std::move_iterator<It> r(i);
std::move_iterator<It>& rr = r -= n;
assert(r.base() == x);
assert(&rr == &r);
}
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);
}