92 lines
3.2 KiB
C++
92 lines
3.2 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <memory>
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// shared_ptr
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// template <class T, class D>
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// bool operator==(const unique_ptr<T, D>& x, nullptr_t) noexcept;
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// template <class T, class D>
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// bool operator==(nullptr_t, const unique_ptr<T, D>& y) noexcept;
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// template <class T, class D>
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// bool operator!=(const unique_ptr<T, D>& x, nullptr_t) noexcept;
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// template <class T, class D>
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// bool operator!=(nullptr_t, const unique_ptr<T, D>& y) noexcept;
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// template <class T, class D>
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// bool operator<(const unique_ptr<T, D>& x, nullptr_t);
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// template <class T, class D>
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// bool operator<(nullptr_t, const unique_ptr<T, D>& y);
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// template <class T, class D>
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// bool operator<=(const unique_ptr<T, D>& x, nullptr_t);
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// template <class T, class D>
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// bool operator<=(nullptr_t, const unique_ptr<T, D>& y);
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// template <class T, class D>
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// bool operator>(const unique_ptr<T, D>& x, nullptr_t);
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// template <class T, class D>
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// bool operator>(nullptr_t, const unique_ptr<T, D>& y);
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// template <class T, class D>
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// bool operator>=(const unique_ptr<T, D>& x, nullptr_t);
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// template <class T, class D>
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// bool operator>=(nullptr_t, const unique_ptr<T, D>& y);
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// template<class T, class D>
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// requires three_way_comparable<typename unique_ptr<T, D>::pointer>
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// constexpr compare_three_way_result_t<typename unique_ptr<T, D>::pointer>
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// operator<=>(const unique_ptr<T, D>& x, nullptr_t); // C++20
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#include <memory>
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#include <cassert>
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#include "test_macros.h"
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#include "test_comparisons.h"
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int main(int, char**)
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{
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AssertEqualityAreNoexcept<std::unique_ptr<int>, nullptr_t>();
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AssertEqualityAreNoexcept<nullptr_t, std::unique_ptr<int> >();
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AssertComparisonsReturnBool<std::unique_ptr<int>, nullptr_t>();
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AssertComparisonsReturnBool<nullptr_t, std::unique_ptr<int> >();
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#if TEST_STD_VER > 17
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AssertOrderReturn<std::strong_ordering, std::unique_ptr<int>, nullptr_t>();
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AssertOrderReturn<std::strong_ordering, nullptr_t, std::unique_ptr<int>>();
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#endif
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const std::unique_ptr<int> p1(new int(1));
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assert(!(p1 == nullptr));
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assert(!(nullptr == p1));
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assert(!(p1 < nullptr));
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assert((nullptr < p1));
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assert(!(p1 <= nullptr));
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assert((nullptr <= p1));
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assert((p1 > nullptr));
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assert(!(nullptr > p1));
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assert((p1 >= nullptr));
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assert(!(nullptr >= p1));
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#if TEST_STD_VER > 17
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assert((nullptr <=> p1) == std::strong_ordering::less);
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assert((p1 <=> nullptr) == std::strong_ordering::greater);
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#endif
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const std::unique_ptr<int> p2;
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assert((p2 == nullptr));
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assert((nullptr == p2));
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assert(!(p2 < nullptr));
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assert(!(nullptr < p2));
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assert((p2 <= nullptr));
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assert((nullptr <= p2));
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assert(!(p2 > nullptr));
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assert(!(nullptr > p2));
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assert((p2 >= nullptr));
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assert((nullptr >= p2));
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#if TEST_STD_VER > 17
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assert((nullptr <=> p2) == std::strong_ordering::equivalent);
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#endif
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return 0;
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}
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