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 // <algorithm> 11 12 // template<InputIterator Iter1, InputIterator Iter2> 13 // requires HasEqualTo<Iter1::value_type, Iter2::value_type> 14 // bool 15 // equal(Iter1 first1, Iter1 last1, Iter2 first2); 16 17 #include <algorithm> 18 #include <cassert> 19 20 #include "test_iterators.h" 21 22 #if _LIBCPP_STD_VER > 11 23 #define HAS_FOUR_ITERATOR_VERSION 24 #endif 25 26 int main() 27 { 28 int ia[] = {0, 1, 2, 3, 4, 5}; 29 const unsigned s = sizeof(ia)/sizeof(ia[0]); 30 int ib[s] = {0, 1, 2, 5, 4, 5}; 31 assert(std::equal(input_iterator<const int*>(ia), 32 input_iterator<const int*>(ia+s), 33 input_iterator<const int*>(ia))); 34 #ifdef HAS_FOUR_ITERATOR_VERSION 35 assert(std::equal(input_iterator<const int*>(ia), 36 input_iterator<const int*>(ia+s), 37 input_iterator<const int*>(ia), 38 input_iterator<const int*>(ia+s))); 39 assert(std::equal(random_access_iterator<const int*>(ia), 40 random_access_iterator<const int*>(ia+s), 41 random_access_iterator<const int*>(ia), 42 random_access_iterator<const int*>(ia+s))); 43 #endif 44 assert(!std::equal(input_iterator<const int*>(ia), 45 input_iterator<const int*>(ia+s), 46 input_iterator<const int*>(ib))); 47 #ifdef HAS_FOUR_ITERATOR_VERSION 48 assert(!std::equal(input_iterator<const int*>(ia), 49 input_iterator<const int*>(ia+s), 50 input_iterator<const int*>(ib), 51 input_iterator<const int*>(ib+s))); 52 assert(!std::equal(random_access_iterator<const int*>(ia), 53 random_access_iterator<const int*>(ia+s), 54 random_access_iterator<const int*>(ib), 55 random_access_iterator<const int*>(ib+s))); 56 assert(!std::equal(input_iterator<const int*>(ia), 57 input_iterator<const int*>(ia+s), 58 input_iterator<const int*>(ia), 59 input_iterator<const int*>(ia+s-1))); 60 assert(!std::equal(random_access_iterator<const int*>(ia), 61 random_access_iterator<const int*>(ia+s), 62 random_access_iterator<const int*>(ia), 63 random_access_iterator<const int*>(ia+s-1))); 64 65 #endif 66 } 67
