mirror of
https://github.com/BlackMATov/meta.hpp.git
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80 lines
3.1 KiB
C++
80 lines
3.1 KiB
C++
/*******************************************************************************
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* This file is part of the "https://github.com/blackmatov/meta.hpp"
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* For conditions of distribution and use, see copyright notice in LICENSE.md
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* Copyright (C) 2021-2023, by Matvey Cherevko (blackmatov@gmail.com)
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******************************************************************************/
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#include <meta.hpp/meta_all.hpp>
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#include <doctest/doctest.h>
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namespace
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{
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struct A1 {};
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struct B1 : A1 { META_HPP_ENABLE_BASE_INFO(A1) };
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struct C1 : A1 { META_HPP_ENABLE_BASE_INFO(A1) };
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struct D1 : B1, C1 { META_HPP_ENABLE_BASE_INFO(B1, C1) };
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// A1 <- B1 <- *
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// D1
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// A1 <- C1 <- *
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struct A2 {};
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struct B2 : virtual A2 { META_HPP_ENABLE_BASE_INFO(A2) };
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struct C2 : virtual B2 { META_HPP_ENABLE_BASE_INFO(B2) };
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struct D2 : virtual B2 { META_HPP_ENABLE_BASE_INFO(B2) };
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struct E2 : C2, D2 { META_HPP_ENABLE_BASE_INFO(C2, D2) };
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// A2 <= B2 <= C2 <- *
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// E2
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// A2 <= B2 <= D2 <- *
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struct A3 {};
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struct B3 : virtual A3 { META_HPP_ENABLE_BASE_INFO(A3) };
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struct C3 : A3 { META_HPP_ENABLE_BASE_INFO(A3) };
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struct D3 : B3, C3 { META_HPP_ENABLE_BASE_INFO(B3, C3) };
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// A3 <= B3 <- *
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// D3
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// A3 <- C3 <- *
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}
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TEST_CASE("meta/meta_issues/random/1") {
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namespace meta = meta_hpp;
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{
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CHECK(meta::is_invocable_with(+[](const D1&){ return true; }, D1{}));
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CHECK(meta::is_invocable_with(+[](const C1&){ return true; }, D1{}));
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CHECK(meta::is_invocable_with(+[](const B1&){ return true; }, D1{}));
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CHECK_FALSE(meta::is_invocable_with(+[](const A1&){ return true; }, D1{}));
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CHECK(meta::try_invoke(+[](const D1&){ return true; }, D1{}));
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CHECK(meta::try_invoke(+[](const C1&){ return true; }, D1{}));
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CHECK(meta::try_invoke(+[](const B1&){ return true; }, D1{}));
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CHECK_FALSE(meta::try_invoke(+[](const A1&){ return true; }, D1{}));
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}
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{
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CHECK(meta::is_invocable_with(+[](const A2&){ return true; }, E2{}));
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CHECK(meta::is_invocable_with(+[](const B2&){ return true; }, E2{}));
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CHECK(meta::is_invocable_with(+[](const C2&){ return true; }, E2{}));
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CHECK(meta::is_invocable_with(+[](const D2&){ return true; }, E2{}));
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CHECK(meta::try_invoke(+[](const A2&){ return true; }, E2{}));
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CHECK(meta::try_invoke(+[](const B2&){ return true; }, E2{}));
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CHECK(meta::try_invoke(+[](const C2&){ return true; }, E2{}));
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CHECK(meta::try_invoke(+[](const D2&){ return true; }, E2{}));
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}
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{
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static_assert(std::is_invocable_v<void(A3*), A3*>);
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static_assert(std::is_invocable_v<void(A3*), B3*>);
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static_assert(std::is_invocable_v<void(A3*), C3*>);
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static_assert(!std::is_invocable_v<void(A3*), D3*>);
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CHECK(meta::is_invocable_with(+[](const A3&){ return true; }, A3{}));
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CHECK(meta::is_invocable_with(+[](const A3&){ return true; }, B3{}));
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CHECK(meta::is_invocable_with(+[](const A3&){ return true; }, C3{}));
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CHECK_FALSE(meta::is_invocable_with(+[](const A3&){ return true; }, D3{}));
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}
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}
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