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 <RandomAccessIterator Iter1, RandomAccessIterator Iter2> 15// requires HasMinus<Iter1, Iter2> 16// auto 17// operator-(const move_iterator<Iter1>& x, const move_iterator<Iter2>& y) 18// -> decltype(x.base() - y.base()); 19 20#include <iterator> 21#include <cassert> 22 23#include "test_iterators.h" 24 25template <class It> 26void 27test(It l, It r, typename std::iterator_traits<It>::difference_type x) 28{ 29 const std::move_iterator<It> r1(l); 30 const std::move_iterator<It> r2(r); 31 assert(r1 - r2 == x); 32} 33 34int main() 35{ 36 char s[] = "1234567890"; 37 test(random_access_iterator<char*>(s+5), random_access_iterator<char*>(s), 5); 38 test(s+5, s, 5); 39} 40