cxx/test/utilities/meta/meta.unary/meta.unary.prop/is_polymorphic.pass.cpp
Howard Hinnant bc8d3f97eb libcxx initial import
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-11 19:42:16 +00:00

1 line
1.7 KiB
C++

//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// type_traits
// is_polymorphic
#include <type_traits>
template <class T>
void test_is_polymorphic()
{
static_assert( std::is_polymorphic<T>::value, "");
static_assert( std::is_polymorphic<const T>::value, "");
static_assert( std::is_polymorphic<volatile T>::value, "");
static_assert( std::is_polymorphic<const volatile T>::value, "");
}
template <class T>
void test_is_not_polymorphic()
{
static_assert(!std::is_polymorphic<T>::value, "");
static_assert(!std::is_polymorphic<const T>::value, "");
static_assert(!std::is_polymorphic<volatile T>::value, "");
static_assert(!std::is_polymorphic<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_polymorphic<void>();
test_is_not_polymorphic<int&>();
test_is_not_polymorphic<int>();
test_is_not_polymorphic<double>();
test_is_not_polymorphic<int*>();
test_is_not_polymorphic<const int*>();
test_is_not_polymorphic<char[3]>();
test_is_not_polymorphic<char[3]>();
test_is_not_polymorphic<Union>();
test_is_not_polymorphic<Empty>();
test_is_not_polymorphic<bit_zero>();
test_is_polymorphic<NotEmpty>();
test_is_polymorphic<Abstract>();
}