| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include <__type_traits/conditional.h> |
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| 10 | #include <__type_traits/is_equality_comparable.h> |
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| 11 | #include <__type_traits/is_signed.h> |
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| 12 | #include <cstdint> |
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| 13 | |
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| 14 | enum Enum : int {}; |
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| 15 | enum class EnumClass : int {}; |
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| 16 | |
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| 17 | static_assert(std::__libcpp_is_trivially_equality_comparable<int, int>::value, "" ); |
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| 18 | static_assert(std::__libcpp_is_trivially_equality_comparable<const int, int>::value, "" ); |
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| 19 | static_assert(std::__libcpp_is_trivially_equality_comparable<int, const int>::value, "" ); |
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| 20 | |
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| 21 | static_assert(std::__libcpp_is_trivially_equality_comparable<unsigned int, unsigned int>::value, "" ); |
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| 22 | static_assert(std::__libcpp_is_trivially_equality_comparable<const unsigned int, unsigned int>::value, "" ); |
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| 23 | static_assert(!std::__libcpp_is_trivially_equality_comparable<unsigned int, int>::value, "" ); |
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| 24 | |
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| 25 | static_assert(!std::__libcpp_is_trivially_equality_comparable<std::int32_t, std::int64_t>::value, "" ); |
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| 26 | static_assert(!std::__libcpp_is_trivially_equality_comparable<std::int64_t, std::int32_t>::value, "" ); |
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| 27 | |
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| 28 | static_assert(std::__libcpp_is_trivially_equality_comparable<int*, int*>::value, "" ); |
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| 29 | static_assert(std::__libcpp_is_trivially_equality_comparable<int*, void*>::value, "" ); |
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| 30 | static_assert(!std::__libcpp_is_trivially_equality_comparable<int*, long*>::value, "" ); |
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| 31 | |
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| 32 | static_assert(!std::__libcpp_is_trivially_equality_comparable<Enum, int>::value, "" ); |
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| 33 | static_assert(!std::__libcpp_is_trivially_equality_comparable<EnumClass, int>::value, "" ); |
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| 34 | |
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| 35 | static_assert(!std::__libcpp_is_trivially_equality_comparable<float, int>::value, "" ); |
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| 36 | static_assert(!std::__libcpp_is_trivially_equality_comparable<double, long long>::value, "" ); |
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| 37 | |
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| 38 | static_assert(!std::__libcpp_is_trivially_equality_comparable<float, int>::value, "" ); |
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| 39 | |
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| 40 | static_assert(!std::__libcpp_is_trivially_equality_comparable<float, float>::value, "" ); |
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| 41 | static_assert(!std::__libcpp_is_trivially_equality_comparable<double, double>::value, "" ); |
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| 42 | static_assert(!std::__libcpp_is_trivially_equality_comparable<long double, long double>::value, "" ); |
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| 43 | |
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| 44 | static_assert(std::__libcpp_is_trivially_equality_comparable< |
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| 45 | char, |
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| 46 | typename std::conditional<std::is_signed<char>::value, signed char, unsigned char>::type>::value, |
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| 47 | "" ); |
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| 48 | static_assert(std::__libcpp_is_trivially_equality_comparable<char16_t, std::uint_least16_t>::value, "" ); |
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| 49 | |
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| 50 | struct S { |
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| 51 | char c; |
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| 52 | }; |
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| 53 | |
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| 54 | struct S2 { |
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| 55 | char c; |
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| 56 | }; |
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| 57 | |
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| 58 | struct VirtualBase : virtual S {}; |
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| 59 | struct NonVirtualBase : S, S2 {}; |
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| 60 | |
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| 61 | static_assert(!std::__libcpp_is_trivially_equality_comparable<S*, VirtualBase*>::value, "" ); |
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| 62 | static_assert(!std::__libcpp_is_trivially_equality_comparable<S2*, VirtualBase*>::value, "" ); |
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| 63 | |
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| 64 | // This is trivially_equality_comparable, but we can't detect it currently |
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| 65 | static_assert(!std::__libcpp_is_trivially_equality_comparable<S*, NonVirtualBase*>::value, "" ); |
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| 66 | |
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