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add ambiguous conversions issue

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BlackMATov
2023-03-03 01:03:19 +07:00
parent 1b77d20666
commit 8e34cfdda1
1 changed files with 38 additions and 0 deletions
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develop/untests/meta_issues/random_issue_1.cpp Normal file
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/*******************************************************************************
* This file is part of the "https://github.com/blackmatov/meta.hpp"
* For conditions of distribution and use, see copyright notice in LICENSE.md
* Copyright (C) 2021-2023, by Matvey Cherevko (blackmatov@gmail.com)
******************************************************************************/
#include <meta.hpp/meta_all.hpp>
#include <doctest/doctest.h>
namespace
{
struct A {};
struct B : A {};
struct C : A {};
struct D : B, C {};
// A * <- B <- *
// D
// A * <- C <- *
}
TEST_CASE("meta/meta_issues/random/1") {
namespace meta = meta_hpp;
meta::class_<B>().base_<A>();
meta::class_<C>().base_<A>();
meta::class_<D>().base_<B, C>();
CHECK(meta::is_invocable_with(+[](const D&){ return true; }, D{}));
CHECK(meta::is_invocable_with(+[](const C&){ return true; }, D{}));
CHECK(meta::is_invocable_with(+[](const B&){ return true; }, D{}));
CHECK_FALSE(meta::is_invocable_with(+[](const A&){ return true; }, D{}));
CHECK(meta::invoke(+[](const D&){ return true; }, D{}));
CHECK(meta::invoke(+[](const C&){ return true; }, D{}));
CHECK(meta::invoke(+[](const B&){ return true; }, D{}));
CHECK_THROWS(meta::invoke(+[](const A&){ return true; }, D{}));
}