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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.
//
//===----------------------------------------------------------------------===//
// type_traits
// is_abstract
#include <type_traits>
template <class T>
void test_is_abstract()
{
static_assert( std::is_abstract<T>::value, "");
static_assert( std::is_abstract<const T>::value, "");
static_assert( std::is_abstract<volatile T>::value, "");
static_assert( std::is_abstract<const volatile T>::value, "");
}
template <class T>
void test_is_not_abstract()
{
static_assert(!std::is_abstract<T>::value, "");
static_assert(!std::is_abstract<const T>::value, "");
static_assert(!std::is_abstract<volatile T>::value, "");
static_assert(!std::is_abstract<const volatile T>::value, "");
}
class Empty
{
};
class NotEmpty
{
virtual ~NotEmpty();
};
union Union {};
struct bit_zero
{
int : 0;
};
class Abstract
{
virtual ~Abstract() = 0;
};
int main()
{
test_is_not_abstract<void>();
test_is_not_abstract<int&>();
test_is_not_abstract<int>();
test_is_not_abstract<double>();
test_is_not_abstract<int*>();
test_is_not_abstract<const int*>();
test_is_not_abstract<char[3]>();
test_is_not_abstract<char[3]>();
test_is_not_abstract<Union>();
test_is_not_abstract<Empty>();
test_is_not_abstract<bit_zero>();
test_is_not_abstract<NotEmpty>();
test_is_abstract<Abstract>();
}
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