forked from mirror/libcxx
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
47 lines
1.1 KiB
C++
47 lines
1.1 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
|
|
|
|
// union
|
|
|
|
#include <type_traits>
|
|
|
|
template <class T>
|
|
void test_union_imp()
|
|
{
|
|
static_assert(!std::is_reference<T>::value, "");
|
|
static_assert(!std::is_arithmetic<T>::value, "");
|
|
static_assert(!std::is_fundamental<T>::value, "");
|
|
static_assert( std::is_object<T>::value, "");
|
|
static_assert(!std::is_scalar<T>::value, "");
|
|
static_assert( std::is_compound<T>::value, "");
|
|
static_assert(!std::is_member_pointer<T>::value, "");
|
|
}
|
|
|
|
template <class T>
|
|
void test_union()
|
|
{
|
|
test_union_imp<T>();
|
|
test_union_imp<const T>();
|
|
test_union_imp<volatile T>();
|
|
test_union_imp<const volatile T>();
|
|
}
|
|
|
|
union Union
|
|
{
|
|
int _;
|
|
double __;
|
|
};
|
|
|
|
int main()
|
|
{
|
|
test_union<Union>();
|
|
}
|