b64f8b07c1
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
55 lines
1.4 KiB
C++
55 lines
1.4 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_unsigned
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#include <type_traits>
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template <class T>
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void test_is_unsigned()
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{
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static_assert( std::is_unsigned<T>::value, "");
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static_assert( std::is_unsigned<const T>::value, "");
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static_assert( std::is_unsigned<volatile T>::value, "");
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static_assert( std::is_unsigned<const volatile T>::value, "");
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}
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template <class T>
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void test_is_not_unsigned()
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{
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static_assert(!std::is_unsigned<T>::value, "");
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static_assert(!std::is_unsigned<const T>::value, "");
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static_assert(!std::is_unsigned<volatile T>::value, "");
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static_assert(!std::is_unsigned<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_unsigned<void>();
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test_is_not_unsigned<int&>();
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test_is_not_unsigned<Class>();
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test_is_not_unsigned<int*>();
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test_is_not_unsigned<const int*>();
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test_is_not_unsigned<char[3]>();
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test_is_not_unsigned<char[3]>();
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test_is_not_unsigned<int>();
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test_is_not_unsigned<double>();
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test_is_unsigned<bool>();
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test_is_unsigned<unsigned>();
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}
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