| //===----------------------------------------------------------------------===// |
| // |
| // 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. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // test numeric_limits |
| |
| // is_signed |
| |
| #include <limits> |
| |
| template <class T, bool expected> |
| void |
| test() |
| { |
| static_assert(std::numeric_limits<T>::is_signed == expected, "is_signed test 1"); |
| static_assert(std::numeric_limits<const T>::is_signed == expected, "is_signed test 2"); |
| static_assert(std::numeric_limits<volatile T>::is_signed == expected, "is_signed test 3"); |
| static_assert(std::numeric_limits<const volatile T>::is_signed == expected, "is_signed test 4"); |
| } |
| |
| int main() |
| { |
| test<bool, false>(); |
| test<char, char(-1) < char(0)>(); |
| test<signed char, true>(); |
| test<unsigned char, false>(); |
| test<wchar_t, wchar_t(-1) < wchar_t(0)>(); |
| #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS |
| test<char16_t, false>(); |
| test<char32_t, false>(); |
| #endif // _LIBCPP_HAS_NO_UNICODE_CHARS |
| test<short, true>(); |
| test<unsigned short, false>(); |
| test<int, true>(); |
| test<unsigned int, false>(); |
| test<long, true>(); |
| test<unsigned long, false>(); |
| test<long long, true>(); |
| test<unsigned long long, false>(); |
| test<float, true>(); |
| test<double, true>(); |
| test<long double, true>(); |
| } |