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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_default_constructible
#include <type_traits>
template <class T, bool Result>
void test_is_default_constructible()
{
static_assert(std::is_default_constructible<T>::value == Result, "");
static_assert(std::is_default_constructible<const T>::value == Result, "");
static_assert(std::is_default_constructible<volatile T>::value == Result, "");
static_assert(std::is_default_constructible<const volatile T>::value == Result, "");
}
class Empty
{
};
class NotEmpty
{
public:
virtual ~NotEmpty();
};
union Union {};
struct bit_zero
{
int : 0;
};
class Abstract
{
public:
virtual ~Abstract() = 0;
};
struct A
{
A();
};
class B
{
B();
};
int main()
{
test_is_default_constructible<void, false>();
test_is_default_constructible<int&, false>();
test_is_default_constructible<char[], false>();
test_is_default_constructible<Abstract, false>();
test_is_default_constructible<A, true>();
test_is_default_constructible<B, false>();
test_is_default_constructible<Union, true>();
test_is_default_constructible<Empty, true>();
test_is_default_constructible<int, true>();
test_is_default_constructible<double, true>();
test_is_default_constructible<int*, true>();
test_is_default_constructible<const int*, true>();
test_is_default_constructible<char[3], true>();
test_is_default_constructible<NotEmpty, true>();
test_is_default_constructible<bit_zero, true>();
}
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