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64 lines
1.9 KiB
C++
64 lines
1.9 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, by Matvey Cherevko (blackmatov@gmail.com)
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******************************************************************************/
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#include <meta.hpp/meta_field.hpp>
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#include "doctest/doctest.hpp"
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namespace
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{
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class clazz {
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public:
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int field{1};
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const int cfield{2};
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};
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}
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TEST_CASE("meta/field") {
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namespace meta = meta_hpp;
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meta::field_<&clazz::field> field_{"field"};
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meta::field_<&clazz::cfield> cfield_{"cfield"};
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const meta::field_info& field_info = field_.info();
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const meta::field_info& cfield_info = cfield_.info();
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{
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clazz instance;
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CHECK(instance.field == 1);
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CHECK(field_info.get(&instance).cast<int>() == 1);
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CHECK(field_info.get(&std::as_const(instance)).cast<int>() == 1);
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CHECK_NOTHROW(field_info.set(&instance, 3));
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CHECK(instance.field == 3);
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CHECK(field_info.get(&instance).cast<int>() == 3);
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CHECK(field_info.get(&std::as_const(instance)).cast<int>() == 3);
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}
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{
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clazz instance;
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CHECK(instance.cfield == 2);
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CHECK(cfield_info.get(&instance).cast<int>() == 2);
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CHECK(cfield_info.get(&std::as_const(instance)).cast<int>() == 2);
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CHECK_THROWS_AS(cfield_info.set(&instance, 4), std::logic_error);
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CHECK(instance.cfield == 2);
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CHECK(cfield_info.get(&instance).cast<int>() == 2);
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CHECK(cfield_info.get(&std::as_const(instance)).cast<int>() == 2);
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}
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{
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clazz instance;
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instance.field = 5;
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CHECK(field_info.get(&instance).cast<int>() == 5);
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CHECK(field_info.get(&std::as_const(instance)).cast<int>() == 5);
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}
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}
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