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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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49
test/language.support/support.limits/limits/numeric.limits.members/digits.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
// digits
#include <limits>
#include <cfloat>
template <class T, int expected>
void
test()
{
static_assert(std::numeric_limits<T>::digits == expected, "digits test 1");
static_assert(std::numeric_limits<const T>::digits == expected, "digits test 2");
static_assert(std::numeric_limits<volatile T>::digits == expected, "digits test 3");
static_assert(std::numeric_limits<const volatile T>::digits == expected, "digits test 4");
}
int main()
{
test<bool, 1>();
test<char, std::numeric_limits<char>::is_signed ? 7 : 8>();
test<signed char, 7>();
test<unsigned char, 8>();
test<wchar_t, std::numeric_limits<wchar_t>::is_signed ? 31 : 32>();
#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
test<char16_t, 16>();
test<char32_t, 32>();
#endif
test<short, 15>();
test<unsigned short, 16>();
test<int, 31>();
test<unsigned int, 32>();
test<long, sizeof(long) == 4 ? 31 : 63>();
test<unsigned long, sizeof(long) == 4 ? 32 : 64>();
test<long long, 63>();
test<unsigned long long, 64>();
test<float, FLT_MANT_DIG>();
test<double, DBL_MANT_DIG>();
test<long double, LDBL_MANT_DIG>();
}