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 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
test()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
main()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