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//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// <memory>
// shared_ptr
// template <class T>
// bool operator==(const shared_ptr<T>& x, nullptr_t) noexcept;
// template <class T>
// bool operator==(nullptr_t, const shared_ptr<T>& y) noexcept;
// template <class T>
// bool operator!=(const shared_ptr<T>& x, nullptr_t) noexcept;
// template <class T>
// bool operator!=(nullptr_t, const shared_ptr<T>& y) noexcept;
// template <class T>
// bool operator<(const shared_ptr<T>& x, nullptr_t) noexcept;
// template <class T>
// bool operator<(nullptr_t, const shared_ptr<T>& y) noexcept;
// template <class T>
// bool operator<=(const shared_ptr<T>& x, nullptr_t) noexcept;
// template <class T>
// bool operator<=(nullptr_t, const shared_ptr<T>& y) noexcept;
// template <class T>
// bool operator>(const shared_ptr<T>& x, nullptr_t) noexcept;
// template <class T>
// bool operator>(nullptr_t, const shared_ptr<T>& y) noexcept;
// template <class T>
// bool operator>=(const shared_ptr<T>& x, nullptr_t) noexcept;
// template <class T>
// bool operator>=(nullptr_t, const shared_ptr<T>& y) noexcept;
#include <memory>
#include <cassert>
void do_nothing(int*) {}
int main()
{
const std::shared_ptr<int> p1(new int(1));
assert(!(p1 == nullptr));
assert(!(nullptr == p1));
assert(!(p1 < nullptr));
assert( (nullptr < p1));
assert(!(p1 <= nullptr));
assert( (nullptr <= p1));
assert( (p1 > nullptr));
assert(!(nullptr > p1));
assert( (p1 >= nullptr));
assert(!(nullptr >= p1));
const std::shared_ptr<int> p2;
assert( (p2 == nullptr));
assert( (nullptr == p2));
assert(!(p2 < nullptr));
assert(!(nullptr < p2));
assert( (p2 <= nullptr));
assert( (nullptr <= p2));
assert(!(p2 > nullptr));
assert(!(nullptr > p2));
assert( (p2 >= nullptr));
assert( (nullptr >= p2));
}
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