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 // is_modulo
13 
14 #include <limits>
15 
16 template <class T, bool expected>
17 void
test()18 test()
19 {
20     static_assert(std::numeric_limits<T>::is_modulo == expected, "is_modulo test 1");
21     static_assert(std::numeric_limits<const T>::is_modulo == expected, "is_modulo test 2");
22     static_assert(std::numeric_limits<volatile T>::is_modulo == expected, "is_modulo test 3");
23     static_assert(std::numeric_limits<const volatile T>::is_modulo == expected, "is_modulo test 4");
24 }
25 
main()26 int main()
27 {
28     test<bool, false>();
29 //    test<char, false>(); // don't know
30     test<signed char, false>();
31     test<unsigned char, true>();
32 //    test<wchar_t, false>(); // don't know
33 #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
34     test<char16_t, true>();
35     test<char32_t, true>();
36 #endif  // _LIBCPP_HAS_NO_UNICODE_CHARS
37     test<short, false>();
38     test<unsigned short, true>();
39     test<int, false>();
40     test<unsigned int, true>();
41     test<long, false>();
42     test<unsigned long, true>();
43     test<long long, false>();
44     test<unsigned long long, true>();
45 #ifndef _LIBCPP_HAS_NO_INT128
46     test<__int128_t, false>();
47     test<__uint128_t, true>();
48 #endif
49     test<float, false>();
50     test<double, false>();
51     test<long double, false>();
52 }
53