cxx/test/utilities/meta/meta.unary/meta.unary.prop/has_virtual_destructor.pass.cpp
Howard Hinnant b64f8b07c1 license change
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16 22:09:02 +00:00

78 lines
1.9 KiB
C++

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