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__) || defined(__pnacl__) || \ 17 defined(__wasm__) 18 static const bool integral_types_trap = true; 19 #else 20 static const bool integral_types_trap = false; 21 #endif 22 23 template <class T, bool expected> 24 void 25 test() 26 { 27 static_assert(std::numeric_limits<T>::traps == expected, "traps test 1"); 28 static_assert(std::numeric_limits<const T>::traps == expected, "traps test 2"); 29 static_assert(std::numeric_limits<volatile T>::traps == expected, "traps test 3"); 30 static_assert(std::numeric_limits<const volatile T>::traps == expected, "traps test 4"); 31 } 32 33 int main() 34 { 35 test<bool, false>(); 36 test<char, integral_types_trap>(); 37 test<signed char, integral_types_trap>(); 38 test<unsigned char, integral_types_trap>(); 39 test<wchar_t, integral_types_trap>(); 40 #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS 41 test<char16_t, integral_types_trap>(); 42 test<char32_t, integral_types_trap>(); 43 #endif // _LIBCPP_HAS_NO_UNICODE_CHARS 44 test<short, integral_types_trap>(); 45 test<unsigned short, integral_types_trap>(); 46 test<int, integral_types_trap>(); 47 test<unsigned int, integral_types_trap>(); 48 test<long, integral_types_trap>(); 49 test<unsigned long, integral_types_trap>(); 50 test<long long, integral_types_trap>(); 51 test<unsigned long long, integral_types_trap>(); 52 #ifndef _LIBCPP_HAS_NO_INT128 53 test<__int128_t, integral_types_trap>(); 54 test<__uint128_t, integral_types_trap>(); 55 #endif 56 test<float, false>(); 57 test<double, false>(); 58 test<long double, false>(); 59 } 60