//===----------------------------------------------------------------------===// // // 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 // lowest() #include <limits> #include <climits> #include <cwchar> #include <cfloat> #include <cassert> template <class T> void test(T expected) { assert(std::numeric_limits<T>::lowest() == expected); assert(std::numeric_limits<T>::is_bounded); assert(std::numeric_limits<const T>::lowest() == expected); assert(std::numeric_limits<const T>::is_bounded); assert(std::numeric_limits<volatile T>::lowest() == expected); assert(std::numeric_limits<volatile T>::is_bounded); assert(std::numeric_limits<const volatile T>::lowest() == expected); assert(std::numeric_limits<const volatile T>::is_bounded); } int main() { test<bool>(false); test<char>(CHAR_MIN); test<signed char>(SCHAR_MIN); test<unsigned char>(0); test<wchar_t>(WCHAR_MIN); #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS test<char16_t>(0); test<char32_t>(0); #endif // _LIBCPP_HAS_NO_UNICODE_CHARS test<short>(SHRT_MIN); test<unsigned short>(0); test<int>(INT_MIN); test<unsigned int>(0); test<long>(LONG_MIN); test<unsigned long>(0); test<long long>(LLONG_MIN); test<unsigned long long>(0); #ifndef _LIBCPP_HAS_NO_INT128 test<__int128_t>(-__int128_t(__uint128_t(-1)/2) - 1); test<__uint128_t>(0); #endif test<float>(-FLT_MAX); test<double>(-DBL_MAX); test<long double>(-LDBL_MAX); }