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/*
* Copyright (C) 2015-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#include "utils/ComponentContainer.h"
#include <utility>
#include <gtest/gtest.h>
class BaseTestType
{
public:
virtual ~BaseTestType() = default;
};
struct DerivedType1 : public BaseTestType
{
int a = 1;
};
struct DerivedType2 : public BaseTestType
{
int a = 2;
};
struct DerivedType3 : public BaseTestType
{
int a = 3;
};
class TestContainer : public CComponentContainer<BaseTestType>
{
FRIEND_TEST(TestComponentContainer, Generic);
};
TEST(TestComponentContainer, Generic)
{
TestContainer container;
// check that we can register types
container.RegisterComponent(std::make_shared<DerivedType1>());
EXPECT_EQ(container.size(), 1u);
container.RegisterComponent(std::make_shared<DerivedType2>());
EXPECT_EQ(container.size(), 2u);
// check that trying to register a component twice does nothing
container.RegisterComponent(std::make_shared<DerivedType2>());
EXPECT_EQ(container.size(), 2u);
// check that first component is valid
const auto t1 = container.GetComponent<DerivedType1>();
EXPECT_TRUE(t1 != nullptr);
EXPECT_EQ(t1->a, 1);
// check that second component is valid
const auto t2 = container.GetComponent<DerivedType2>();
EXPECT_TRUE(t2 != nullptr);
EXPECT_EQ(t2->a, 2);
// check that third component is not there
EXPECT_THROW(container.GetComponent<DerivedType3>(), std::logic_error);
// check that component instance is constant
const auto t4 = container.GetComponent<DerivedType1>();
EXPECT_EQ(t1.get(), t4.get());
// check we can call the const overload for GetComponent
// and that the returned type is const
const auto t5 = const_cast<const TestContainer&>(container).GetComponent<DerivedType1>();
EXPECT_TRUE(std::is_const_v<typename decltype(t5)::element_type>);
}
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