| //===----------------------------------------------------------------------===// |
| // |
| // 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<class ForwardIterator1, class ForwardIterator2, class BinaryPredicate> |
| // bool |
| // is_permutation(ForwardIterator1 first1, ForwardIterator1 last1, |
| // ForwardIterator2 first2, BinaryPredicate pred); |
| |
| #include <algorithm> |
| #include <functional> |
| #include <cassert> |
| |
| #include "test_iterators.h" |
| |
| #if _LIBCPP_STD_VER > 11 |
| #define HAS_FOUR_ITERATOR_VERSION |
| #endif |
| |
| int comparison_count = 0; |
| template <typename T> |
| bool counting_equals ( const T &a, const T &b ) { |
| ++comparison_count; |
| return a == b; |
| } |
| |
| |
| int main() |
| { |
| { |
| const int ia[] = {0}; |
| const int ib[] = {0}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + 0), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == true); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == true); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == true); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa - 1), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {0}; |
| const int ib[] = {1}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == false); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| |
| { |
| const int ia[] = {0, 0}; |
| const int ib[] = {0, 0}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == true); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == true); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa - 1), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {0, 0}; |
| const int ib[] = {0, 1}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == false); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {0, 0}; |
| const int ib[] = {1, 0}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == false); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {0, 0}; |
| const int ib[] = {1, 1}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == false); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {0, 1}; |
| const int ib[] = {0, 0}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == false); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {0, 1}; |
| const int ib[] = {0, 1}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == true); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == true); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa - 1), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {0, 1}; |
| const int ib[] = {1, 0}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == true); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == true); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa - 1), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {0, 1}; |
| const int ib[] = {1, 1}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == false); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {1, 0}; |
| const int ib[] = {0, 0}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == false); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {1, 0}; |
| const int ib[] = {0, 1}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == true); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == true); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa - 1), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {1, 0}; |
| const int ib[] = {1, 0}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == true); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == true); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa - 1), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {1, 0}; |
| const int ib[] = {1, 1}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == false); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {1, 1}; |
| const int ib[] = {0, 0}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == false); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {1, 1}; |
| const int ib[] = {0, 1}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == false); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {1, 1}; |
| const int ib[] = {1, 0}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == false); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {1, 1}; |
| const int ib[] = {1, 1}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == true); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == true); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa - 1), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| |
| { |
| const int ia[] = {0, 0, 0}; |
| const int ib[] = {1, 0, 0}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == false); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {0, 0, 0}; |
| const int ib[] = {1, 0, 1}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == false); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {0, 0, 0}; |
| const int ib[] = {1, 0, 2}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == false); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {0, 0, 0}; |
| const int ib[] = {1, 1, 0}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == false); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {0, 0, 0}; |
| const int ib[] = {1, 1, 1}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == false); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {0, 0, 0}; |
| const int ib[] = {1, 1, 2}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == false); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {0, 0, 0}; |
| const int ib[] = {1, 2, 0}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == false); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {0, 0, 0}; |
| const int ib[] = {1, 2, 1}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == false); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {0, 0, 0}; |
| const int ib[] = {1, 2, 2}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == false); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {0, 0, 1}; |
| const int ib[] = {1, 0, 0}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == true); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == true); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa - 1), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {0, 0, 1}; |
| const int ib[] = {1, 0, 1}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == false); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {0, 1, 2}; |
| const int ib[] = {1, 0, 2}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == true); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == true); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa - 1), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {0, 1, 2}; |
| const int ib[] = {1, 2, 0}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == true); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == true); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa - 1), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {0, 1, 2}; |
| const int ib[] = {2, 1, 0}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == true); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == true); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa - 1), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {0, 1, 2}; |
| const int ib[] = {2, 0, 1}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == true); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == true); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa - 1), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {0, 0, 1}; |
| const int ib[] = {1, 0, 1}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == false); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {0, 0, 1}; |
| const int ib[] = {1, 0, 0}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == true); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == true); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib + 1), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == false); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa - 1), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| { |
| const int ia[] = {0, 1, 2, 3, 0, 5, 6, 2, 4, 4}; |
| const int ib[] = {4, 2, 3, 0, 1, 4, 0, 5, 6, 2}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == true); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == true); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib + 1), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == false); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa - 1), |
| std::equal_to<const int>()) == false); |
| comparison_count = 0; |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa - 1), |
| counting_equals<const int>) == false); |
| assert ( comparison_count > 0 ); |
| comparison_count = 0; |
| assert(std::is_permutation(random_access_iterator<const int*>(ia), |
| random_access_iterator<const int*>(ia + sa), |
| random_access_iterator<const int*>(ib), |
| random_access_iterator<const int*>(ib + sa - 1), |
| counting_equals<const int>) == false); |
| assert ( comparison_count == 0 ); |
| #endif |
| } |
| { |
| const int ia[] = {0, 1, 2, 3, 0, 5, 6, 2, 4, 4}; |
| const int ib[] = {4, 2, 3, 0, 1, 4, 0, 5, 6, 0}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| std::equal_to<const int>()) == false); |
| #ifdef HAS_FOUR_ITERATOR_VERSION |
| assert(std::is_permutation(forward_iterator<const int*>(ia), |
| forward_iterator<const int*>(ia + sa), |
| forward_iterator<const int*>(ib), |
| forward_iterator<const int*>(ib + sa), |
| std::equal_to<const int>()) == false); |
| #endif |
| } |
| } |
