4684ddb6aa
- import libcxx - reduce targets to the one when compiled as a tools Change-Id: Iabb8427f80ff8e89463559a28bcb8b4f2bdbc496
59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
//===----------------------------------------------------------------------===//
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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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#include <cstddef>
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#include <type_traits>
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#include <cassert>
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// typedef decltype(nullptr) nullptr_t;
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struct A
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{
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A(std::nullptr_t) {}
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};
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int main()
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{
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static_assert(sizeof(std::nullptr_t) == sizeof(void*),
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"sizeof(std::nullptr_t) == sizeof(void*)");
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A* p = 0;
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assert(p == nullptr);
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void (A::*pmf)() = 0;
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#ifdef __clang__
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// GCC 4.2 can't handle this
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assert(pmf == nullptr);
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#endif
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int A::*pmd = 0;
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assert(pmd == nullptr);
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A a1(nullptr);
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A a2(0);
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bool b = nullptr;
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assert(!b);
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assert(nullptr == nullptr);
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assert(nullptr <= nullptr);
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assert(nullptr >= nullptr);
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assert(!(nullptr != nullptr));
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assert(!(nullptr < nullptr));
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assert(!(nullptr > nullptr));
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A* a = nullptr;
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assert(a == nullptr);
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assert(a <= nullptr);
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assert(a >= nullptr);
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assert(!(a != nullptr));
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assert(!(a < nullptr));
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assert(!(a > nullptr));
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assert(nullptr == a);
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assert(nullptr <= a);
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assert(nullptr >= a);
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assert(!(nullptr != a));
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assert(!(nullptr < a));
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assert(!(nullptr > a));
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std::ptrdiff_t i = reinterpret_cast<std::ptrdiff_t>(nullptr);
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assert(i == 0);
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}
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