1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3f5256e16dfc425c1d466f6308d4026d529ce9e0bHoward Hinnant// The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// test numeric_limits 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// max() 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <limits> 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <climits> 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cwchar> 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cfloat> 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttemplate <class T> 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttest(T expected) 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::numeric_limits<T>::max() == expected); 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::numeric_limits<T>::is_bounded); 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::numeric_limits<const T>::max() == expected); 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::numeric_limits<const T>::is_bounded); 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::numeric_limits<volatile T>::max() == expected); 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::numeric_limits<volatile T>::is_bounded); 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::numeric_limits<const volatile T>::max() == expected); 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::numeric_limits<const volatile T>::is_bounded); 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<bool>(true); 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<char>(CHAR_MAX); 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<signed char>(SCHAR_MAX); 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<unsigned char>(UCHAR_MAX); 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<wchar_t>(WCHAR_MAX); 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<char16_t>(USHRT_MAX); 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<char32_t>(UINT_MAX); 44cf6dcc35e14a3d2dafe67cf76a200b2e1a671e7dHoward Hinnant#endif // _LIBCPP_HAS_NO_UNICODE_CHARS 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<short>(SHRT_MAX); 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<unsigned short>(USHRT_MAX); 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<int>(INT_MAX); 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<unsigned int>(UINT_MAX); 49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<long>(LONG_MAX); 50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<unsigned long>(ULONG_MAX); 51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<long long>(LLONG_MAX); 52bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<unsigned long long>(ULLONG_MAX); 538a71d236336705a49257d43ac8d986ba3d5f5060Stephan Tolksdorf#ifndef _LIBCPP_HAS_NO_INT128 548a71d236336705a49257d43ac8d986ba3d5f5060Stephan Tolksdorf test<__int128_t>(__int128_t(__uint128_t(-1)/2)); 558a71d236336705a49257d43ac8d986ba3d5f5060Stephan Tolksdorf test<__uint128_t>(__uint128_t(-1)); 568a71d236336705a49257d43ac8d986ba3d5f5060Stephan Tolksdorf#endif 57bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<float>(FLT_MAX); 58bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<double>(DBL_MAX); 59bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<long double>(LDBL_MAX); 60bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 61