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95 lines
2.9 KiB
C++
95 lines
2.9 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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// function
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#include <type_traits>
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#include "test_macros.h"
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using namespace std;
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class Class {};
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enum Enum1 {};
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#if TEST_STD_VER >= 11
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enum class Enum2 : int {};
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#else
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enum Enum2 {};
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#endif
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template <class T>
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void test()
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{
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static_assert(!std::is_void<T>::value, "");
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#if TEST_STD_VER > 11
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static_assert(!std::is_null_pointer<T>::value, "");
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#endif
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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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// Since we can't actually add the const volatile and ref qualifiers once
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// later let's use a macro to do it.
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#define TEST_REGULAR(...) \
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test<__VA_ARGS__>(); \
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test<__VA_ARGS__ const>(); \
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test<__VA_ARGS__ volatile>(); \
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test<__VA_ARGS__ const volatile>()
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#define TEST_REF_QUALIFIED(...) \
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test<__VA_ARGS__ &>(); \
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test<__VA_ARGS__ const &>(); \
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test<__VA_ARGS__ volatile &>(); \
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test<__VA_ARGS__ const volatile &>(); \
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test<__VA_ARGS__ &&>(); \
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test<__VA_ARGS__ const &&>(); \
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test<__VA_ARGS__ volatile &&>(); \
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test<__VA_ARGS__ const volatile &&>()
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struct incomplete_type;
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int main(int, char**)
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{
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TEST_REGULAR( void () );
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TEST_REGULAR( void (int) );
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TEST_REGULAR( int (double) );
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TEST_REGULAR( int (double, char) );
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TEST_REGULAR( void (...) );
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TEST_REGULAR( void (int, ...) );
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TEST_REGULAR( int (double, ...) );
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TEST_REGULAR( int (double, char, ...) );
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#if TEST_STD_VER >= 11
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TEST_REF_QUALIFIED( void () );
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TEST_REF_QUALIFIED( void (int) );
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TEST_REF_QUALIFIED( int (double) );
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TEST_REF_QUALIFIED( int (double, char) );
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TEST_REF_QUALIFIED( void (...) );
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TEST_REF_QUALIFIED( void (int, ...) );
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TEST_REF_QUALIFIED( int (double, ...) );
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TEST_REF_QUALIFIED( int (double, char, ...) );
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#endif
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// LWG#2582
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static_assert(!std::is_function<incomplete_type>::value, "");
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return 0;
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}
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