70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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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>
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// bool operator==(const shared_ptr<T>& x, nullptr_t) noexcept;
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// template <class T>
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// bool operator==(nullptr_t, const shared_ptr<T>& y) noexcept;
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// template <class T>
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// bool operator!=(const shared_ptr<T>& x, nullptr_t) noexcept;
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// template <class T>
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// bool operator!=(nullptr_t, const shared_ptr<T>& y) noexcept;
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// template <class T>
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// bool operator<(const shared_ptr<T>& x, nullptr_t) noexcept;
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// template <class T>
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// bool operator<(nullptr_t, const shared_ptr<T>& y) noexcept;
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// template <class T>
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// bool operator<=(const shared_ptr<T>& x, nullptr_t) noexcept;
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// template <class T>
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// bool operator<=(nullptr_t, const shared_ptr<T>& y) noexcept;
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// template <class T>
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// bool operator>(const shared_ptr<T>& x, nullptr_t) noexcept;
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// template <class T>
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// bool operator>(nullptr_t, const shared_ptr<T>& y) noexcept;
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// template <class T>
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// bool operator>=(const shared_ptr<T>& x, nullptr_t) noexcept;
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// template <class T>
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// bool operator>=(nullptr_t, const shared_ptr<T>& y) noexcept;
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#include <memory>
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#include <cassert>
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void do_nothing(int*) {}
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int main()
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{
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const std::shared_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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const std::shared_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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}
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