| //===----------------------------------------------------------------------===// |
| // |
| // 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, |
| // Predicate<auto, Iter1::value_type, Iter2::value_type> Pred> |
| // requires CopyConstructible<Pred> |
| // pair<Iter1, Iter2> |
| // mismatch(Iter1 first1, Iter1 last1, Iter2 first2, Pred pred); |
| |
| #include <algorithm> |
| #include <functional> |
| #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::equal_to<int>()) == |
| (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::equal_to<int>()) == |
| (std::pair<input_iterator<const int*>, |
| input_iterator<const int*> >( |
| input_iterator<const int*>(ia+3), |
| input_iterator<const int*>(ib+3)))); |
| #endif |
| |
| assert(std::mismatch(ia, ia + sa, ib, std::equal_to<int>()) == |
| (std::pair<int*,int*>(ia+3,ib+3))); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::mismatch(ia, ia + sa, ib, ib + sa, std::equal_to<int>()) == |
| (std::pair<int*,int*>(ia+3,ib+3))); |
| assert(std::mismatch(ia, ia + sa, ib, ib + 2, std::equal_to<int>()) == |
| (std::pair<int*,int*>(ia+2,ib+2))); |
| #endif |
| } |