cf6dcc35e1
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111760 91177308-0d34-0410-b5e6-96231b3b80d8
49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// test numeric_limits
|
|
|
|
// is_signed
|
|
|
|
#include <limits>
|
|
|
|
template <class T, bool expected>
|
|
void
|
|
test()
|
|
{
|
|
static_assert(std::numeric_limits<T>::is_signed == expected, "is_signed test 1");
|
|
static_assert(std::numeric_limits<const T>::is_signed == expected, "is_signed test 2");
|
|
static_assert(std::numeric_limits<volatile T>::is_signed == expected, "is_signed test 3");
|
|
static_assert(std::numeric_limits<const volatile T>::is_signed == expected, "is_signed test 4");
|
|
}
|
|
|
|
int main()
|
|
{
|
|
test<bool, false>();
|
|
test<char, char(-1) < char(0)>();
|
|
test<signed char, true>();
|
|
test<unsigned char, false>();
|
|
test<wchar_t, wchar_t(-1) < wchar_t(0)>();
|
|
#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
|
|
test<char16_t, false>();
|
|
test<char32_t, false>();
|
|
#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
|
|
test<short, true>();
|
|
test<unsigned short, false>();
|
|
test<int, true>();
|
|
test<unsigned int, false>();
|
|
test<long, true>();
|
|
test<unsigned long, false>();
|
|
test<long long, true>();
|
|
test<unsigned long long, false>();
|
|
test<float, true>();
|
|
test<double, true>();
|
|
test<long double, true>();
|
|
}
|