is_base_of.pass.cpp [plain text]
#include <type_traits>
template <class T, class U>
void test_is_base_of()
{
static_assert((std::is_base_of<T, U>::value), "");
static_assert((std::is_base_of<const T, U>::value), "");
static_assert((std::is_base_of<T, const U>::value), "");
static_assert((std::is_base_of<const T, const U>::value), "");
}
template <class T, class U>
void test_is_not_base_of()
{
static_assert((!std::is_base_of<T, U>::value), "");
}
struct B {};
struct B1 : B {};
struct B2 : B {};
struct D : private B1, private B2 {};
int main()
{
test_is_base_of<B, D>();
test_is_base_of<B1, D>();
test_is_base_of<B2, D>();
test_is_base_of<B, B1>();
test_is_base_of<B, B2>();
test_is_base_of<B, B>();
test_is_not_base_of<D, B>();
test_is_not_base_of<B&, D&>();
test_is_not_base_of<B[3], D[3]>();
test_is_not_base_of<int, int>();
}