cxx/test/algorithms/alg.nonmodifying/mismatch/mismatch.pass.cpp
2013-05-09 21:14:23 +00:00

59 lines
2.3 KiB
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.
//
//===----------------------------------------------------------------------===//
// <algorithm>
// template<InputIterator Iter1, InputIterator Iter2>
// requires HasEqualTo<Iter1::value_type, Iter2::value_type>
// pair<Iter1, Iter2>
// mismatch(Iter1 first1, Iter1 last1, Iter2 first2);
#include <algorithm>
#include <cassert>
#include "test_iterators.h"
#if _LIBCPP_STD_VER > 11
#define HAS_FOUR_ITERATOR_VERSION
#endif
int main()
{
int ia[] = {0, 1, 2, 2, 0, 1, 2, 3};
const unsigned sa = sizeof(ia)/sizeof(ia[0]);
int ib[] = {0, 1, 2, 3, 0, 1, 2, 3};
assert(std::mismatch(input_iterator<const int*>(ia),
input_iterator<const int*>(ia + sa),
input_iterator<const int*>(ib)) ==
(std::pair<input_iterator<const int*>,
input_iterator<const int*> >(
input_iterator<const int*>(ia+3),
input_iterator<const int*>(ib+3))));
#ifdef HAS_FOUR_ITERATOR_VERSION
assert(std::mismatch(input_iterator<const int*>(ia),
input_iterator<const int*>(ia + sa),
input_iterator<const int*>(ib),
input_iterator<const int*>(ib + sa)) ==
(std::pair<input_iterator<const int*>,
input_iterator<const int*> >(
input_iterator<const int*>(ia+3),
input_iterator<const int*>(ib+3))));
assert(std::mismatch(input_iterator<const int*>(ia),
input_iterator<const int*>(ia + sa),
input_iterator<const int*>(ib),
input_iterator<const int*>(ib + 2)) ==
(std::pair<input_iterator<const int*>,
input_iterator<const int*> >(
input_iterator<const int*>(ia+2),
input_iterator<const int*>(ib+2))));
#endif
}