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
test()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
main()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 }
65