1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3f5256e16dfc425c1d466f6308d4026d529ce9e0bHoward Hinnant// The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// <iterator> 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12712522cfd8f61321b4f197ec0de02b0146afb5a5Howard Hinnant// template <InputIterator Iter> 13712522cfd8f61321b4f197ec0de02b0146afb5a5Howard Hinnant// Iter::difference_type 14712522cfd8f61321b4f197ec0de02b0146afb5a5Howard Hinnant// distance(Iter first, Iter last); 15712522cfd8f61321b4f197ec0de02b0146afb5a5Howard Hinnant// 16712522cfd8f61321b4f197ec0de02b0146afb5a5Howard Hinnant// template <RandomAccessIterator Iter> 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// Iter::difference_type 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// distance(Iter first, Iter last); 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <iterator> 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 2383e2c4d877fe2d7793868b1c6a5d9525a7c4d431Marshall Clow#include "test_iterators.h" 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttemplate <class It> 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttest(It first, It last, typename std::iterator_traits<It>::difference_type x) 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::distance(first, last) == x); 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant const char* s = "1234567890"; 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test(input_iterator<const char*>(s), input_iterator<const char*>(s+10), 10); 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test(forward_iterator<const char*>(s), forward_iterator<const char*>(s+10), 10); 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test(bidirectional_iterator<const char*>(s), bidirectional_iterator<const char*>(s+10), 10); 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test(random_access_iterator<const char*>(s), random_access_iterator<const char*>(s+10), 10); 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test(s, s+10, 10); 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 41