integral_constant.pass.cpp [plain text]
#include <type_traits>
#include <cassert>
int main()
{
typedef std::integral_constant<int, 5> _5;
static_assert(_5::value == 5, "");
static_assert((std::is_same<_5::value_type, int>::value), "");
static_assert((std::is_same<_5::type, _5>::value), "");
#ifndef _LIBCPP_HAS_NO_CONSTEXPR
static_assert((_5() == 5), "");
#else
assert(_5() == 5);
#endif
static_assert(std::false_type::value == false, "");
static_assert((std::is_same<std::false_type::value_type, bool>::value), "");
static_assert((std::is_same<std::false_type::type, std::false_type>::value), "");
static_assert(std::true_type::value == true, "");
static_assert((std::is_same<std::true_type::value_type, bool>::value), "");
static_assert((std::is_same<std::true_type::type, std::true_type>::value), "");
std::false_type f1;
std::false_type f2 = f1;
std::true_type t1;
std::true_type t2 = t1;
}