38d9005902
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@220142 91177308-0d34-0410-b5e6-96231b3b80d8
48 lines
1.3 KiB
C++
48 lines
1.3 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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// alignment_of
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#include <type_traits>
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#include <cstdint>
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template <class T, unsigned A>
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void test_alignment_of()
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{
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static_assert( std::alignment_of<T>::value == A, "");
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static_assert( std::alignment_of<const T>::value == A, "");
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static_assert( std::alignment_of<volatile T>::value == A, "");
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static_assert( std::alignment_of<const volatile T>::value == A, "");
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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_alignment_of<int&, 4>();
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test_alignment_of<Class, 1>();
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test_alignment_of<int*, sizeof(intptr_t)>();
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test_alignment_of<const int*, sizeof(intptr_t)>();
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test_alignment_of<char[3], 1>();
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test_alignment_of<int, 4>();
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test_alignment_of<double, 8>();
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#if (defined(__ppc__) && !defined(__ppc64__))
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test_alignment_of<bool, 4>(); // 32-bit PPC has four byte bool
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#else
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test_alignment_of<bool, 1>();
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#endif
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test_alignment_of<unsigned, 4>();
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}
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