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// max()
13
14#include <limits>
15#include <climits>
16#include <cwchar>
17#include <cfloat>
18#include <cassert>
19
20template <class T>
21void
22test(T expected)
23{
24    assert(std::numeric_limits<T>::max() == expected);
25    assert(std::numeric_limits<T>::is_bounded);
26    assert(std::numeric_limits<const T>::max() == expected);
27    assert(std::numeric_limits<const T>::is_bounded);
28    assert(std::numeric_limits<volatile T>::max() == expected);
29    assert(std::numeric_limits<volatile T>::is_bounded);
30    assert(std::numeric_limits<const volatile T>::max() == expected);
31    assert(std::numeric_limits<const volatile T>::is_bounded);
32}
33
34int main()
35{
36    test<bool>(true);
37    test<char>(CHAR_MAX);
38    test<signed char>(SCHAR_MAX);
39    test<unsigned char>(UCHAR_MAX);
40    test<wchar_t>(WCHAR_MAX);
41#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
42    test<char16_t>(USHRT_MAX);
43    test<char32_t>(UINT_MAX);
44#endif  // _LIBCPP_HAS_NO_UNICODE_CHARS
45    test<short>(SHRT_MAX);
46    test<unsigned short>(USHRT_MAX);
47    test<int>(INT_MAX);
48    test<unsigned int>(UINT_MAX);
49    test<long>(LONG_MAX);
50    test<unsigned long>(ULONG_MAX);
51    test<long long>(LLONG_MAX);
52    test<unsigned long long>(ULLONG_MAX);
53#ifndef _LIBCPP_HAS_NO_INT128
54    test<__int128_t>(__int128_t(__uint128_t(-1)/2));
55    test<__uint128_t>(__uint128_t(-1));
56#endif
57    test<float>(FLT_MAX);
58    test<double>(DBL_MAX);
59    test<long double>(LDBL_MAX);
60}
61