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libcxx initial import

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
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Howard Hinnant
2010-05-11 19:42:16 +00:00
commit bc8d3f97eb
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48
test/language.support/support.limits/limits/numeric.limits.members/is_signed.pass.cpp Normal file
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//===----------------------------------------------------------------------===//
//
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>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
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>();
}