1//===----------------------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is dual licensed under the MIT and the University of Illinois Open 6// Source Licenses. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10// test numeric_limits 11 12// min() 13 14#include <limits> 15#include <climits> 16#include <cwchar> 17#include <cfloat> 18#include <cassert> 19 20template <class T> 21void 22test(T expected) 23{ 24 assert(std::numeric_limits<T>::min() == expected); 25 assert(std::numeric_limits<T>::is_bounded || !std::numeric_limits<T>::is_signed); 26 assert(std::numeric_limits<const T>::min() == expected); 27 assert(std::numeric_limits<const T>::is_bounded || !std::numeric_limits<const T>::is_signed); 28 assert(std::numeric_limits<volatile T>::min() == expected); 29 assert(std::numeric_limits<volatile T>::is_bounded || !std::numeric_limits<volatile T>::is_signed); 30 assert(std::numeric_limits<const volatile T>::min() == expected); 31 assert(std::numeric_limits<const volatile T>::is_bounded || !std::numeric_limits<const volatile T>::is_signed); 32} 33 34int main() 35{ 36 test<bool>(false); 37 test<char>(CHAR_MIN); 38 test<signed char>(SCHAR_MIN); 39 test<unsigned char>(0); 40 test<wchar_t>(WCHAR_MIN); 41#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS 42 test<char16_t>(0); 43 test<char32_t>(0); 44#endif // _LIBCPP_HAS_NO_UNICODE_CHARS 45 test<short>(SHRT_MIN); 46 test<unsigned short>(0); 47 test<int>(INT_MIN); 48 test<unsigned int>(0); 49 test<long>(LONG_MIN); 50 test<unsigned long>(0); 51 test<long long>(LLONG_MIN); 52 test<unsigned long long>(0); 53#ifndef _LIBCPP_HAS_NO_INT128 54 test<__int128_t>(-__int128_t(__uint128_t(-1)/2) - 1); 55 test<__uint128_t>(0); 56#endif 57 test<float>(FLT_MIN); 58 test<double>(DBL_MIN); 59 test<long double>(LDBL_MIN); 60} 61