#include "gtest/gtest.h"
#include <Base/Handle.h>

class Data: public Base::Handled
{
    int myValue {};

public:
    int getValue() const
    {
        return myValue;
    }
    void setValue(int val)
    {
        myValue = val;
    }
};

TEST(Reference, TestNull)
{
    Base::Reference<Data> data;
    EXPECT_EQ(data.getRefCount(), 0);
}

TEST(Reference, TestConstructor)
{
    Base::Reference<Data> data(new Data);
    EXPECT_EQ(data.getRefCount(), 1);
}

TEST(Reference, TestCopy)
{
    Base::Reference<Data> data(new Data);
    Base::Reference<Data> copy(data);
    EXPECT_EQ(data.getRefCount(), 2);
    EXPECT_EQ(copy.getRefCount(), 2);
    EXPECT_EQ(data, copy);
    EXPECT_EQ(data.isValid(), true);
    EXPECT_EQ(copy.isValid(), true);
    EXPECT_EQ(data.isNull(), false);
    EXPECT_EQ(copy.isNull(), false);
}

TEST(Reference, TestAssignRaw)
{
    Base::Reference<Data> data = new Data();
    EXPECT_EQ(data->getValue(), 0);
    EXPECT_EQ(data.getRefCount(), 1);
}

TEST(Reference, TestAssignRef)
{
    Base::Reference<Data> data = new Data();
    Base::Reference<Data> copy;
    copy = data;
    EXPECT_EQ(data.getRefCount(), 2);
    EXPECT_EQ(copy.getRefCount(), 2);
    EXPECT_EQ(data, copy);
    EXPECT_EQ(data.isValid(), true);
    EXPECT_EQ(copy.isValid(), true);
    EXPECT_EQ(data.isNull(), false);
    EXPECT_EQ(copy.isNull(), false);
}

TEST(Reference, TestRefHandle)
{
    Base::Reference<Data> data = new Data();
    data->ref();
    EXPECT_EQ(data.getRefCount(), 2);
    data->unref();
    EXPECT_EQ(data.getRefCount(), 1);
}