traps.pass.cpp (2076B)
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 #include "test_macros.h" 17 18 #if defined(__i386__) || defined(__x86_64__) || defined(__pnacl__) || \ 19 defined(__wasm__) 20 static const bool integral_types_trap = true; 21 #else 22 static const bool integral_types_trap = false; 23 #endif 24 25 template <class T, bool expected> 26 void 27 test() 28 { 29 static_assert(std::numeric_limits<T>::traps == expected, "traps test 1"); 30 static_assert(std::numeric_limits<const T>::traps == expected, "traps test 2"); 31 static_assert(std::numeric_limits<volatile T>::traps == expected, "traps test 3"); 32 static_assert(std::numeric_limits<const volatile T>::traps == expected, "traps test 4"); 33 } 34 35 int main() 36 { 37 test<bool, false>(); 38 test<char, integral_types_trap>(); 39 test<signed char, integral_types_trap>(); 40 test<unsigned char, integral_types_trap>(); 41 test<wchar_t, integral_types_trap>(); 42 #if TEST_STD_VER > 17 && defined(__cpp_char8_t) 43 test<char8_t, integral_types_trap>(); 44 #endif 45 #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS 46 test<char16_t, integral_types_trap>(); 47 test<char32_t, integral_types_trap>(); 48 #endif // _LIBCPP_HAS_NO_UNICODE_CHARS 49 test<short, integral_types_trap>(); 50 test<unsigned short, integral_types_trap>(); 51 test<int, integral_types_trap>(); 52 test<unsigned int, integral_types_trap>(); 53 test<long, integral_types_trap>(); 54 test<unsigned long, integral_types_trap>(); 55 test<long long, integral_types_trap>(); 56 test<unsigned long long, integral_types_trap>(); 57 #ifndef _LIBCPP_HAS_NO_INT128 58 test<__int128_t, integral_types_trap>(); 59 test<__uint128_t, integral_types_trap>(); 60 #endif 61 test<float, false>(); 62 test<double, false>(); 63 test<long double, false>(); 64 }