class TestObject
{
public:
	TestObject() : state("A") {}

	void moveToB()
	{
		if (state == "A")
		{
			state = "B";
		}
	}

	void moveToC()
	{
		if (state == "B")
		{
			state = "C";
		}
	}

	std::string state;
};

void testAB(TestObject& t)
{
	t.moveToB();

	ASSERT_EQ("B", t.state);
}

void testBC(TestObject& t)
{
	t.moveToC();

	ASSERT_EQ("C", t.state);
}

TEST(MOVE_TO_B)
{
	TestObject t;
	testAB(t);
}

TEST(MOVE_TO_C)
{
	TestObject t;
	testBC(t);
}

TEST(INTEGRATE_A_TO_C)
{
	TestObject t;
	testAB(t);
	testBC(t);
}