59 lines
1.7 KiB
C++
59 lines
1.7 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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// type_traits
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// nullptr_t
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// is_null_pointer
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// UNSUPPORTED: c++98, c++03, c++11
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#include <type_traits>
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#include <cstddef> // for std::nullptr_t
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#include "test_macros.h"
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template <class T>
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void test_nullptr_imp()
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{
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static_assert(!std::is_void<T>::value, "");
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static_assert( std::is_null_pointer<T>::value, "");
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static_assert(!std::is_integral<T>::value, "");
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static_assert(!std::is_floating_point<T>::value, "");
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static_assert(!std::is_array<T>::value, "");
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static_assert(!std::is_pointer<T>::value, "");
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static_assert(!std::is_lvalue_reference<T>::value, "");
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static_assert(!std::is_rvalue_reference<T>::value, "");
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static_assert(!std::is_member_object_pointer<T>::value, "");
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static_assert(!std::is_member_function_pointer<T>::value, "");
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static_assert(!std::is_enum<T>::value, "");
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static_assert(!std::is_union<T>::value, "");
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static_assert(!std::is_class<T>::value, "");
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static_assert(!std::is_function<T>::value, "");
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}
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template <class T>
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void test_nullptr()
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{
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test_nullptr_imp<T>();
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test_nullptr_imp<const T>();
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test_nullptr_imp<volatile T>();
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test_nullptr_imp<const volatile T>();
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}
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struct incomplete_type;
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int main(int, char**)
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{
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test_nullptr<std::nullptr_t>();
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// LWG#2582
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static_assert(!std::is_null_pointer<incomplete_type>::value, "");
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return 0;
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}
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