cxx/test/utilities/meta/meta.unary/meta.unary.prop/is_copy_constructible.pass.cpp

68 lines
1.4 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
// is_copy_constructible
#include <type_traits>
template <class T, bool Result>
void test_is_copy_constructible()
{
static_assert(std::is_copy_constructible<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(const A&);
};
int main()
{
test_is_copy_constructible<char[3], false>();
test_is_copy_constructible<char[], false>();
test_is_copy_constructible<void, false>();
test_is_copy_constructible<Abstract, false>();
test_is_copy_constructible<A, true>();
test_is_copy_constructible<int&, true>();
test_is_copy_constructible<Union, true>();
test_is_copy_constructible<Empty, true>();
test_is_copy_constructible<int, true>();
test_is_copy_constructible<double, true>();
test_is_copy_constructible<int*, true>();
test_is_copy_constructible<const int*, true>();
test_is_copy_constructible<NotEmpty, true>();
test_is_copy_constructible<bit_zero, true>();
}