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 // traps 13 14 #include <limits> 15 16 #if (defined(__i386__) || defined(__x86_64__)) 17 static const bool integral_types_trap = true; 18 #else 19 static const bool integral_types_trap = false; 20 #endif 21 22 template <class T, bool expected> 23 void 24 test() 25 { 26 static_assert(std::numeric_limits<T>::traps == expected, "traps test 1"); 27 static_assert(std::numeric_limits<const T>::traps == expected, "traps test 2"); 28 static_assert(std::numeric_limits<volatile T>::traps == expected, "traps test 3"); 29 static_assert(std::numeric_limits<const volatile T>::traps == expected, "traps test 4"); 30 } 31 32 int main() 33 { 34 test<bool, false>(); 35 test<char, integral_types_trap>(); 36 test<signed char, integral_types_trap>(); 37 test<unsigned char, integral_types_trap>(); 38 test<wchar_t, integral_types_trap>(); 39 #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS 40 test<char16_t, integral_types_trap>(); 41 test<char32_t, integral_types_trap>(); 42 #endif // _LIBCPP_HAS_NO_UNICODE_CHARS 43 test<short, integral_types_trap>(); 44 test<unsigned short, integral_types_trap>(); 45 test<int, integral_types_trap>(); 46 test<unsigned int, integral_types_trap>(); 47 test<long, integral_types_trap>(); 48 test<unsigned long, integral_types_trap>(); 49 test<long long, integral_types_trap>(); 50 test<unsigned long long, integral_types_trap>(); 51 #ifndef _LIBCPP_HAS_NO_INT128 52 test<__int128_t, integral_types_trap>(); 53 test<__uint128_t, integral_types_trap>(); 54 #endif 55 test<float, false>(); 56 test<double, false>(); 57 test<long double, false>(); 58 } 59
