| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <algorithm> |
| |
| // template<class ForwardIterator1, class ForwardIterator2, class BinaryPredicate> |
| // constexpr bool // constexpr after C++17 |
| // is_permutation(ForwardIterator1 first1, ForwardIterator1 last1, |
| // ForwardIterator2 first2, BinaryPredicate pred); |
| |
| #include <algorithm> |
| #include <functional> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| #include "test_iterators.h" |
| |
| int comparison_count = 0; |
| template <typename T> |
| bool counting_equals ( const T &a, const T &b ) { |
| ++comparison_count; |
| return a == b; |
| } |
| |
| #if TEST_STD_VER > 17 |
| constexpr bool test_constexpr() { |
| int ia[] = {0, 0, 0}; |
| int ib[] = {1, 1, 0}; |
| int ic[] = {1, 0, 1}; |
| int id[] = {1}; |
| std::equal_to<int> c{}; |
| return !std::is_permutation(std::begin(ia), std::end(ia), std::begin(ib) , c) |
| && !std::is_permutation(std::begin(ia), std::end(ia), std::begin(ib), std::end(ib), c) |
| && std::is_permutation(std::begin(ib), std::end(ib), std::begin(ic) , c) |
| && std::is_permutation(std::begin(ib), std::end(ib), std::begin(ic), std::end(ic), c) |
| && !std::is_permutation(std::begin(ic), std::end(ic), std::begin(id), std::end(id), c) |
| ; |
| } |
| #endif |
| |
| |
| struct S { |
| S(int i) : i_(i) {} |
| bool operator==(const S& other) = delete; |
| int i_; |
| }; |
| |
| struct eq { |
| bool operator()(const S& a, const S&b) { return a.i_ == b.i_; } |
| }; |
| |
| |
| int main(int, char**) |
| { |
| { |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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); |
| #if TEST_STD_VER >= 14 |
| 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 S a[] = {S(0), S(1)}; |
| const S b[] = {S(1), S(0)}; |
| const unsigned sa = sizeof(a)/sizeof(a[0]); |
| assert(std::is_permutation(forward_iterator<const S*>(a), |
| forward_iterator<const S*>(a + sa), |
| forward_iterator<const S*>(b), |
| eq())); |
| #if TEST_STD_VER >= 14 |
| assert(std::is_permutation(forward_iterator<const S*>(a), |
| forward_iterator<const S*>(a + sa), |
| forward_iterator<const S*>(b), |
| forward_iterator<const S*>(b + sa), |
| eq())); |
| #endif |
| } |
| |
| #if TEST_STD_VER > 17 |
| static_assert(test_constexpr()); |
| #endif |
| |
| return 0; |
| } |
