The file is ObserverTest.java add 2 new tests f or the update() method declared

Question

The file is ObserverTest.java add 2 new tests f or the update() method declared in com/FlyweightObserver.java . The tests will need both subjects and observers.

package com.hundredwordsgof.observer;

import static org.junit.jupiter.api.Assertions.*;

import org.junit.jupiter.api.BeforeAll;

import org.junit.jupiter.api.Test;

public class ObserverTest {

@Test

public void testObserver() throws CloneNotSupportedException {

ConcreteSubject subject = new ConcreteSubject();

Observer observer = new ConcreteObserver(subject);

subject.attach(observer);

subject.setState(1);

assertEquals(1, ((ConcreteObserver) observer).getObserverState());

subject.dettach(observer);

subject.setState(0);

assertEquals(1, ((ConcreteObserver) observer).getObserverState());

}

}

Explanation / Answer

package com.hundredwordsgof.observer;

import static org.junit.jupiter.api.Assertions.*;

import org.junit.jupiter.api.BeforeAll;

import org.junit.jupiter.api.Test;

public class ObserverTest {

@Test

public void testObserver() throws CloneNotSupportedException {

ConcreteSubject subject = new ConcreteSubject();

Observer observer = new ConcreteObserver(subject);

subject.attach(observer);

subject.setState(1);

assertEquals(1, ((ConcreteObserver) observer).getObserverState());

subject.dettach(observer);

subject.setState(0);

assertEquals(1, ((ConcreteObserver) observer).getObserverState());

}

}

Kindly provide me the implementation of FlyweightObserver.java so that I can assist you with this assignment.

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