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81 lines
2.3 KiB
C++
81 lines
2.3 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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// is_trivially_copyable
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// These compilers have not implemented Core 2094 which makes volatile
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// qualified types trivially copyable.
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// XFAIL: clang-3, clang-4, apple-clang-6, apple-clang-7, apple-clang-8, apple-clang-9.0, gcc
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#include <type_traits>
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#include <cassert>
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#include "test_macros.h"
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template <class T>
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void test_is_trivially_copyable()
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{
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static_assert( std::is_trivially_copyable<T>::value, "");
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static_assert( std::is_trivially_copyable<const T>::value, "");
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static_assert( std::is_trivially_copyable<volatile T>::value, "");
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static_assert( std::is_trivially_copyable<const volatile T>::value, "");
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#if TEST_STD_VER > 14
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static_assert( std::is_trivially_copyable_v<T>, "");
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static_assert( std::is_trivially_copyable_v<const T>, "");
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static_assert( std::is_trivially_copyable_v<volatile T>, "");
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static_assert( std::is_trivially_copyable_v<const volatile T>, "");
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#endif
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}
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template <class T>
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void test_is_not_trivially_copyable()
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{
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static_assert(!std::is_trivially_copyable<T>::value, "");
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static_assert(!std::is_trivially_copyable<const T>::value, "");
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static_assert(!std::is_trivially_copyable<volatile T>::value, "");
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static_assert(!std::is_trivially_copyable<const volatile T>::value, "");
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#if TEST_STD_VER > 14
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static_assert(!std::is_trivially_copyable_v<T>, "");
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static_assert(!std::is_trivially_copyable_v<const T>, "");
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static_assert(!std::is_trivially_copyable_v<volatile T>, "");
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static_assert(!std::is_trivially_copyable_v<const volatile T>, "");
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#endif
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}
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struct A
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{
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int i_;
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};
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struct B
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{
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int i_;
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~B() {assert(i_ == 0);}
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};
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class C
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{
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public:
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C();
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};
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int main()
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{
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test_is_trivially_copyable<int> ();
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test_is_trivially_copyable<const int> ();
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test_is_trivially_copyable<A> ();
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test_is_trivially_copyable<const A> ();
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test_is_trivially_copyable<C> ();
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test_is_not_trivially_copyable<int&> ();
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test_is_not_trivially_copyable<const A&> ();
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test_is_not_trivially_copyable<B> ();
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}
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