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e180ecab2c
This commit also adds tests for std::numeric_limits<__[u]int128_t>. Reviewed in http://llvm-reviews.chandlerc.com/D2917 llvm-svn: 204849
60 lines
1.5 KiB
C++
60 lines
1.5 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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// type_traits
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// is_signed
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#include <type_traits>
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template <class T>
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void test_is_signed()
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{
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static_assert( std::is_signed<T>::value, "");
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static_assert( std::is_signed<const T>::value, "");
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static_assert( std::is_signed<volatile T>::value, "");
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static_assert( std::is_signed<const volatile T>::value, "");
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}
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template <class T>
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void test_is_not_signed()
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{
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static_assert(!std::is_signed<T>::value, "");
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static_assert(!std::is_signed<const T>::value, "");
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static_assert(!std::is_signed<volatile T>::value, "");
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static_assert(!std::is_signed<const volatile T>::value, "");
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}
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class Class
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{
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public:
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~Class();
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};
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int main()
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{
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test_is_not_signed<void>();
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test_is_not_signed<int&>();
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test_is_not_signed<Class>();
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test_is_not_signed<int*>();
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test_is_not_signed<const int*>();
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test_is_not_signed<char[3]>();
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test_is_not_signed<char[3]>();
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test_is_not_signed<bool>();
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test_is_not_signed<unsigned>();
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test_is_signed<int>();
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test_is_signed<double>();
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#ifndef _LIBCPP_HAS_NO_INT128
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test_is_signed<__int128_t>();
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test_is_not_signed<__uint128_t>();
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#endif
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}
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