a90c6dd460
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224658 91177308-0d34-0410-b5e6-96231b3b80d8
61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// test numeric_limits
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// lowest()
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#include <limits>
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#include <climits>
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#include <cwchar>
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#include <cfloat>
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#include <cassert>
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template <class T>
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void
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test(T expected)
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{
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assert(std::numeric_limits<T>::lowest() == expected);
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assert(std::numeric_limits<T>::is_bounded);
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assert(std::numeric_limits<const T>::lowest() == expected);
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assert(std::numeric_limits<const T>::is_bounded);
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assert(std::numeric_limits<volatile T>::lowest() == expected);
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assert(std::numeric_limits<volatile T>::is_bounded);
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assert(std::numeric_limits<const volatile T>::lowest() == expected);
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assert(std::numeric_limits<const volatile T>::is_bounded);
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}
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int main()
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{
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test<bool>(false);
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test<char>(CHAR_MIN);
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test<signed char>(SCHAR_MIN);
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test<unsigned char>(0);
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test<wchar_t>(WCHAR_MIN);
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#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
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test<char16_t>(0);
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test<char32_t>(0);
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#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
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test<short>(SHRT_MIN);
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test<unsigned short>(0);
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test<int>(INT_MIN);
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test<unsigned int>(0);
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test<long>(LONG_MIN);
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test<unsigned long>(0);
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test<long long>(LLONG_MIN);
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test<unsigned long long>(0);
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#ifndef _LIBCPP_HAS_NO_INT128
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test<__int128_t>(-__int128_t(__uint128_t(-1)/2) - 1);
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test<__uint128_t>(0);
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#endif
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test<float>(-FLT_MAX);
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test<double>(-DBL_MAX);
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test<long double>(-LDBL_MAX);
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}
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