COM6506

Week 02

public class Person {
    String name;
    double weight;
    double height;

    public Person(String name, double weight, double height) {
        this.name = name;
        this.weight = weight;
        this.height = height;
    }

    public String getName() {
        return name;
    }

    public double getWeight() {
        return weight;
    }

    public double getHeight() {
        return height;
    }

    public static void main(String[] args) {
        Person jeff = new Person("Jeff", 72.4, 2.2);
        Person jim = new Person("Jim", 65, 1.7);
        System.out.println("Jeff is " + jeff.getHeight() + "m tall.");
        System.out.println("Jim is " + jim.getHeight() + "m tall.");
    }
}

public class BMICalculator {
    Person person;

    public BMICalculator(Person p) {
        this.person = p;
    }

    public double calculateBMI() {
        double bmi = person.getWeight() / (person.getHeight() * person.getHeight());
        return bmi;
    }

    public static void main(String[] args) {
        Person jeff = new Person("Jeff", 85.4, 1.9);
        BMICalculator calculator = new BMICalculator(jeff);
        System.out.println("Jeff's BMI is: " + calculator.calculateBMI());
    }
}
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;

class BMICalculatorTest {
    /*
     * BMI should be somewhere between 20 and 30.
     */
    @Test
    void testPersonInNormalCategory() {
        Person jeff = new Person("Jeff", 85.4, 1.9);
        BMICalculator calculator = new BMICalculator(jeff);
        double result = calculator.calculateBMI();
        assertTrue(result > 20);
        assertTrue(result < 30);
    }

    /*
     * BMI should be zero
     */
    @Test
    void testWeightlessPerson() {
        Person jeff = new Person("Jeff", 0, 1.9);
        BMICalculator calculator = new BMICalculator(jeff);
        double result = calculator.calculateBMI();
        assertEquals(result, 0D);
    }

    /*
     * BMI should be infinite
     */
    @Test
    void testHeightlessPerson() {
        Person jeff = new Person("Jeff", 85.4, 0);
        BMICalculator calculator = new BMICalculator(jeff);
        double result = calculator.calculateBMI();
        assertTrue(Double.isInfinite(result));
    }
}

Week 07

Diamond Gate

package diamond;

import java.util.Collection;
import java.util.HashSet;

class DiamondGate {

    private DiamondGateState state;
    private Collection<String> registered;
    private int visitors;
    private Collection<String> overdue, bookList;

    DiamondGate(Collection<String> registered, Collection<String> overdue) {
        this.registered = registered;
        this.overdue = overdue;
        this.bookList = new HashSet<>();
        this.visitors = 0;
        this.state = new Idle(this);
    }

    // State Machine operations

    void entry_scan(String key) {
        state.entry_scan(key);
    }

    void exit_scan(String key) {
        state.exit_scan(key);
    }

    void entry_sensor_activated() {
        state.entry_sensor_activated();
    }

    void exit_sensor_activated() {
        state.exit_sensor_activated();
    }

    void time_out() {
        state.time_out();
    }

    void pay_fine(String key) {
        state.pay_fine(key);
    }

    void return_book(String key) {
        state.return_book(key);
    }

    // Context operations

    DiamondGateState.State getState() {
        return state.getState();
    }

    void setState(DiamondGateState state) {
        this.state = state;
    }

    boolean isRegistered(String s) {
        return registered.contains(s);
    }

    void incrementVisitors() {
        visitors++;
    }

    void decrementVisitors() {
        visitors--;
    }

    int getVisitors() {
        return visitors;
    }

    boolean isOverdue(String key) {
        return overdue.contains(key);
    }

    void paid_fine(String key) {
        if (overdue.contains(key)) {
            overdue.remove(key);
            bookList.add(key);
        }
    }

    void returned_book(String key) {
        if (bookList.contains(key)) {
            bookList.remove(key);
        }
    }
}
package diamond;

abstract class DiamondGateState {

    protected enum State {IDLE, OPENEXIT, OPENENTRY, PAIDFINE}

    DiamondGate context;

    DiamondGateState(DiamondGate context) {
        this.context = context;
    }

    abstract void entry_scan(String key);

    abstract void exit_scan(String key);

    abstract void entry_sensor_activated();

    abstract void exit_sensor_activated();

    abstract void time_out();

    abstract void pay_fine(String key);

    abstract void return_book(String key);

    abstract State getState();
}
package diamond;

import org.junit.jupiter.api.Test;

import java.util.Collection;
import java.util.HashSet;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;

class DiamondGateTest {
    @Test
    void testSimpleEntry() {
        // Create our set of registered students / staff.
        Collection<String> registered = new HashSet<>();
        registered.add("ac1nw");

        Collection<String> overdue = new HashSet<>();

        // Pass this when constructing our system under test (diamondGate);
        DiamondGate diamondGate = new DiamondGate(registered, overdue);

        assertEquals(0, diamondGate.getVisitors());

        // Now for the actual test sequence:
        diamondGate.entry_scan("ac1nw");

        // We know that ac1nw is registered.
        diamondGate.entry_sensor_activated();
        diamondGate.time_out();

        // We'd expect the number of visitors in the Diamond to be 1.
        assertEquals(1, diamondGate.getVisitors());
    }

    @Test
    void testSimpleExit() {
        Collection<String> registered = new HashSet<>();
        registered.add("acs18by");

        Collection<String> overdue = new HashSet<>();

        DiamondGate diamondGate = new DiamondGate(registered, overdue);

        assertEquals(0, diamondGate.getVisitors());

        diamondGate.exit_scan("acs18by");

        diamondGate.exit_sensor_activated();
        diamondGate.time_out();

        assertEquals(-1, diamondGate.getVisitors());
    }

    @Test
    void testEntryTimeout() {
        Collection<String> registered = new HashSet<>();
        registered.add("acs18by");

        Collection<String> overdue = new HashSet<>();

        DiamondGate diamondGate = new DiamondGate(registered, overdue);

        assertEquals(0, diamondGate.getVisitors());

        diamondGate.entry_scan("acs18by");

//      diamondGate.entry_sensor_activated();
        diamondGate.time_out();

        assertEquals(0, diamondGate.getVisitors());
    }

    @Test
    void testExitTimeout() {
        Collection<String> registered = new HashSet<>();
        registered.add("acs18by");

        Collection<String> overdue = new HashSet<>();

        DiamondGate diamondGate = new DiamondGate(registered, overdue);

        assertEquals(0, diamondGate.getVisitors());

        diamondGate.exit_scan("acs18by");

//      diamondGate.exit_sensor_activated();
        diamondGate.time_out();

        assertEquals(0, diamondGate.getVisitors());
    }

    @Test
    void testOverdue() {
        Collection<String> registered = new HashSet<>();
        registered.add("acs18test");

        Collection<String> overdue = new HashSet<>();
        overdue.add("acs18test");

        DiamondGate diamondGate = new DiamondGate(registered, overdue);

        assertEquals(0, diamondGate.getVisitors());

        diamondGate.entry_scan("acs18test");

        diamondGate.entry_sensor_activated();
        diamondGate.time_out();

        assertEquals(1, diamondGate.getVisitors());

        assertTrue(diamondGate.isOverdue("acs18test"));

        diamondGate.exit_scan("acs18test");
        diamondGate.exit_sensor_activated();
        diamondGate.time_out();

        assertEquals(1, diamondGate.getVisitors());

        diamondGate.pay_fine("acs18test");

        assertFalse(diamondGate.isOverdue("acs18test"));

        assertEquals(DiamondGateState.State.PAIDFINE, diamondGate.getState());

        diamondGate.return_book("acs18test");

        assertEquals(DiamondGateState.State.IDLE, diamondGate.getState());

        diamondGate.exit_scan("acs18test");

        diamondGate.exit_sensor_activated();
        diamondGate.time_out();

        assertEquals(0, diamondGate.getVisitors());
    }

    @Test
    void testNotRegisteredEntry() {
        Collection<String> registered = new HashSet<>();
        registered.add("acs18by");

        Collection<String> overdue = new HashSet<>();

        DiamondGate diamondGate = new DiamondGate(registered, overdue);

        assertEquals(0, diamondGate.getVisitors());

        diamondGate.entry_scan("acs18test");

        diamondGate.entry_sensor_activated();
        diamondGate.time_out();

        assertEquals(0, diamondGate.getVisitors());
    }

    @Test
    void testMultiEntry() {
        Collection<String> registered = new HashSet<>();
        registered.add("acs18test1");
        registered.add("acs18test2");

        Collection<String> overdue = new HashSet<>();

        DiamondGate diamondGate = new DiamondGate(registered, overdue);

        assertEquals(0, diamondGate.getVisitors());

        diamondGate.entry_scan("acs18test1");

        diamondGate.entry_sensor_activated();
        diamondGate.time_out();

        assertEquals(1, diamondGate.getVisitors());

        diamondGate.entry_scan("acs18test2");

        diamondGate.entry_sensor_activated();
        diamondGate.time_out();

        assertEquals(2, diamondGate.getVisitors());
    }

    @Test
    void testEntryAndExit() {
        Collection<String> registered = new HashSet<>();
        registered.add("acs18test1");
        registered.add("acs18test2");

        Collection<String> overdue = new HashSet<>();

        DiamondGate diamondGate = new DiamondGate(registered, overdue);

        assertEquals(0, diamondGate.getVisitors());

        diamondGate.entry_scan("acs18test1");

        diamondGate.entry_sensor_activated();
        diamondGate.time_out();

        assertEquals(1, diamondGate.getVisitors());

        diamondGate.entry_scan("acs18test2");

        diamondGate.entry_sensor_activated();
        diamondGate.time_out();

        assertEquals(2, diamondGate.getVisitors());

        diamondGate.exit_scan("acs18test1");

        diamondGate.exit_sensor_activated();
        diamondGate.time_out();

        assertEquals(1, diamondGate.getVisitors());

        diamondGate.exit_scan("acs18test2");

        diamondGate.exit_sensor_activated();
        diamondGate.time_out();

        assertEquals(0, diamondGate.getVisitors());
    }

    @Test
    void testMultiExit() {
        Collection<String> registered = new HashSet<>();
        registered.add("acs18test1");
        registered.add("acs18test2");

        Collection<String> overdue = new HashSet<>();

        DiamondGate diamondGate = new DiamondGate(registered, overdue);

        assertEquals(0, diamondGate.getVisitors());

        diamondGate.exit_scan("acs18test1");

        diamondGate.exit_sensor_activated();
        diamondGate.time_out();

        assertEquals(-1, diamondGate.getVisitors());

        diamondGate.exit_scan("acs18test2");

        diamondGate.exit_sensor_activated();
        diamondGate.time_out();

        assertEquals(-2, diamondGate.getVisitors());
    }
}
package diamond;

class Idle extends DiamondGateState {

    Idle(DiamondGate context) {
        super(context);
    }

    @Override
    void entry_scan(String key) {
        if (context.isRegistered(key)) {
            context.setState(new OpenEntry(context));
        }
    }

    @Override
    void exit_scan(String key) {
        if (context.isRegistered(key) && !context.isOverdue(key)) {
            context.setState(new OpenExit(context));
        }
    }

    @Override
    void entry_sensor_activated() {

    }

    @Override
    void exit_sensor_activated() {

    }

    @Override
    void time_out() {

    }

    @Override
    void pay_fine(String key) {
        if (context.isOverdue(key)) {
            context.paid_fine(key);
            context.setState(new PaidFine(context));
        }
    }

    @Override
    void return_book(String key) {

    }

    @Override
    State getState() {
        return State.IDLE;
    }
}
package diamond;

import java.util.Timer;
import java.util.TimerTask;

class OpenEntry extends DiamondGateState {

    OpenEntry(DiamondGate context) {
        super(context);
        TimerTask task = new TimerTask() {
            @Override
            public void run() {
                context.time_out();
            }
        };
        Timer timer = new Timer("Timer");

        long delay = 5000L;
        timer.schedule(task, delay);
    }

    @Override
    void entry_scan(String key) {

    }

    @Override
    void exit_scan(String key) {

    }

    @Override
    void entry_sensor_activated() {
        context.incrementVisitors();
    }

    @Override
    void exit_sensor_activated() {

    }

    @Override
    void time_out() {
        context.setState(new Idle(context));
    }

    @Override
    void pay_fine(String key) {

    }

    @Override
    void return_book(String key) {

    }

    @Override
    State getState() {
        return State.OPENENTRY;
    }
}
package diamond;

import java.util.Timer;
import java.util.TimerTask;

class OpenExit extends DiamondGateState {

    OpenExit(DiamondGate context) {
        super(context);
        TimerTask task = new TimerTask() {
            @Override
            public void run() {
                context.time_out();
            }
        };
        Timer timer = new Timer("Timer");

        long delay = 5000L;
        timer.schedule(task, delay);
    }

    @Override
    void entry_scan(String key) {

    }

    @Override
    void exit_scan(String key) {

    }

    @Override
    void entry_sensor_activated() {

    }

    @Override
    void exit_sensor_activated() {
        context.decrementVisitors();
    }

    @Override
    void time_out() {
        context.setState(new Idle(context));
    }

    @Override
    void pay_fine(String key) {

    }

    @Override
    void return_book(String key) {

    }

    @Override
    State getState() {
        return State.OPENEXIT;
    }
}
package diamond;

class PaidFine extends DiamondGateState {
    PaidFine(DiamondGate context) {
        super(context);
    }

    @Override
    void entry_scan(String key) {

    }

    @Override
    void exit_scan(String key) {

    }

    @Override
    void entry_sensor_activated() {

    }

    @Override
    void exit_sensor_activated() {

    }

    @Override
    void time_out() {

    }

    @Override
    void pay_fine(String key) {

    }

    @Override
    void return_book(String key) {
        context.returned_book(key);
        context.setState(new Idle(context));
    }

    @Override
    State getState() {
        return State.PAIDFINE;
    }
}

TCP Server

public class TCP {
    TCPState state;

    public TCP() {
        this.state = new CLOSED(this);
    }

    void passive_open() {
        state.passive_open();
    }

    void close() {
        state.close();
    }

    void receive_syn() {
        state.receive_syn();
    }

    void receive_syn_ack() {
        state.receive_syn_ack();
    }

    void receive_fin() {
        state.receive_fin();
    }

    void receive_ack() {
        state.receive_ack();
    }

    void receive_ack_fin() {
        state.receive_ack_fin();
    }

    void send_syn_ack() {
        state.send_syn_ack();
    }

    void send_syn() {
        state.send_syn();
    }

    void send_ack() {
        state.send_ack();
    }

    void send_fin() {
        state.send_fin();
    }

    void timeout() {
        state.timeout();
    }

    void setState(TCPState state) {
        this.state = state;
    }

    TCPState.State getState() {
        return state.getState();
    }
}
public abstract class TCPState {
    protected enum State {
        CLOSED, LISTEN, SYN_RCVD, SYN_SENT, ESTABLISHED, CLOSE_WAIT,
        LAST_ACK, FIN_WAIT_1, FIN_WAIT_2, CLOSING, TIME_WAIT
    }

    protected TCP context;

    public TCPState(TCP context) {
        this.context = context;
    }

    public abstract void passive_open();

    public abstract void close();

    public abstract void receive_syn();

    public abstract void receive_syn_ack();

    public abstract void receive_fin();

    public abstract void receive_ack();

    public abstract void receive_ack_fin();

    public abstract void send_syn_ack();

    public abstract void send_syn();

    public abstract void send_ack();

    public abstract void send_fin();

    public abstract void timeout();

    public abstract State getState();
}
public class CLOSED extends TCPState {
    public CLOSED(TCP context) {
        super(context);
    }

    @Override
    public void passive_open() {
        context.setState(new LISTEN(context));
    }

    @Override
    public void close() {

    }

    @Override
    public void receive_syn() {

    }

    @Override
    public void receive_syn_ack() {

    }

    @Override
    public void receive_fin() {

    }

    @Override
    public void receive_ack() {

    }

    @Override
    public void receive_ack_fin() {

    }

    @Override
    public void send_syn_ack() {

    }

    @Override
    public void send_syn() {

    }

    @Override
    public void send_ack() {

    }

    @Override
    public void send_fin() {

    }

    @Override
    public void timeout() {

    }

    @Override
    public State getState() {
        return State.CLOSED;
    }
}
public class CLOSE_WAIT extends TCPState {
    public CLOSE_WAIT(TCP context) {
        super(context);
    }

    @Override
    public void passive_open() {

    }

    @Override
    public void close() {
        context.setState(new LAST_ACK(context));
    }

    @Override
    public void receive_syn() {

    }

    @Override
    public void receive_syn_ack() {

    }

    @Override
    public void receive_fin() {

    }

    @Override
    public void receive_ack() {

    }

    @Override
    public void receive_ack_fin() {

    }

    @Override
    public void send_syn_ack() {

    }

    @Override
    public void send_syn() {

    }

    @Override
    public void send_ack() {

    }

    @Override
    public void send_fin() {

    }

    @Override
    public void timeout() {

    }

    @Override
    public State getState() {
        return State.CLOSE_WAIT;
    }
}
public class CLOSING extends TCPState {
    public CLOSING(TCP context) {
        super(context);
    }

    @Override
    public void passive_open() {

    }

    @Override
    public void close() {

    }

    @Override
    public void receive_syn() {

    }

    @Override
    public void receive_syn_ack() {

    }

    @Override
    public void receive_fin() {

    }

    @Override
    public void receive_ack() {
        context.setState(new TIME_WAIT(context));
    }

    @Override
    public void receive_ack_fin() {

    }

    @Override
    public void send_syn_ack() {

    }

    @Override
    public void send_syn() {

    }

    @Override
    public void send_ack() {

    }

    @Override
    public void send_fin() {

    }

    @Override
    public void timeout() {

    }

    @Override
    public State getState() {
        return State.CLOSING;
    }
}
public class ESTABLISHED extends TCPState {
    public ESTABLISHED(TCP context) {
        super(context);
    }

    @Override
    public void passive_open() {

    }

    @Override
    public void close() {
        context.setState(new FIN_WAIT_1(context));
    }

    @Override
    public void receive_syn() {

    }

    @Override
    public void receive_syn_ack() {

    }

    @Override
    public void receive_fin() {
        context.setState(new CLOSE_WAIT(context));
    }

    @Override
    public void receive_ack() {

    }

    @Override
    public void receive_ack_fin() {

    }

    @Override
    public void send_syn_ack() {

    }

    @Override
    public void send_syn() {

    }

    @Override
    public void send_ack() {

    }

    @Override
    public void send_fin() {

    }

    @Override
    public void timeout() {

    }

    @Override
    public State getState() {
        return State.ESTABLISHED;
    }
}
import java.util.Random;

public class FIN_WAIT_1 extends TCPState {
    public FIN_WAIT_1(TCP context) {
        super(context);
    }

    @Override
    public void passive_open() {

    }

    @Override
    public void close() {

    }

    @Override
    public void receive_syn() {

    }

    @Override
    public void receive_syn_ack() {

    }

    @Override
    public void receive_fin() {
        context.setState(new CLOSING(context));
    }

    @Override
    public void receive_ack() {

    }

    @Override
    public void receive_ack_fin() {
        context.setState(new TIME_WAIT(context));
    }

    @Override
    public void send_syn_ack() {

    }

    @Override
    public void send_syn() {

    }

    @Override
    public void send_ack() {
        context.setState(new FIN_WAIT_2(context));
    }

    @Override
    public void send_fin() {

    }

    @Override
    public void timeout() {

    }

    @Override
    public State getState() {
        return State.FIN_WAIT_1;
    }
}
public class FIN_WAIT_2 extends TCPState {
    public FIN_WAIT_2(TCP context) {
        super(context);
    }

    @Override
    public void passive_open() {

    }

    @Override
    public void close() {

    }

    @Override
    public void receive_syn() {

    }

    @Override
    public void receive_syn_ack() {

    }

    @Override
    public void receive_fin() {
        context.setState(new TIME_WAIT(context));
    }

    @Override
    public void receive_ack() {

    }

    @Override
    public void receive_ack_fin() {

    }

    @Override
    public void send_syn_ack() {

    }

    @Override
    public void send_syn() {

    }

    @Override
    public void send_ack() {

    }

    @Override
    public void send_fin() {

    }

    @Override
    public void timeout() {

    }

    @Override
    public State getState() {
        return State.FIN_WAIT_2;
    }
}
public class LAST_ACK extends TCPState {
    public LAST_ACK(TCP context) {
        super(context);
    }

    @Override
    public void passive_open() {

    }

    @Override
    public void close() {

    }

    @Override
    public void receive_syn() {

    }

    @Override
    public void receive_syn_ack() {

    }

    @Override
    public void receive_fin() {

    }

    @Override
    public void receive_ack() {
        context.setState(new CLOSED(context));
    }

    @Override
    public void receive_ack_fin() {

    }

    @Override
    public void send_syn_ack() {

    }

    @Override
    public void send_syn() {

    }

    @Override
    public void send_ack() {

    }

    @Override
    public void send_fin() {

    }

    @Override
    public void timeout() {

    }

    @Override
    public State getState() {
        return State.LAST_ACK;
    }
}
public class LISTEN extends TCPState {
    public LISTEN(TCP context) {
        super(context);
    }

    @Override
    public void passive_open() {

    }

    @Override
    public void close() {
        context.setState(new CLOSED(context));
    }

    @Override
    public void receive_syn() {
        context.setState(new SYN_RCVD(context));
    }

    @Override
    public void receive_syn_ack() {

    }

    @Override
    public void receive_fin() {

    }

    @Override
    public void receive_ack() {

    }

    @Override
    public void receive_ack_fin() {

    }

    @Override
    public void send_syn_ack() {

    }

    @Override
    public void send_syn() {
        context.setState(new SYN_SENT(context));
    }

    @Override
    public void send_ack() {

    }

    @Override
    public void send_fin() {

    }

    @Override
    public void timeout() {

    }

    @Override
    public State getState() {
        return State.LISTEN;
    }
}
public class SYN_RCVD extends TCPState {
    public SYN_RCVD(TCP context) {
        super(context);
    }

    @Override
    public void passive_open() {

    }

    @Override
    public void close() {
        context.setState(new FIN_WAIT_1(context));
    }

    @Override
    public void receive_syn() {

    }

    @Override
    public void receive_syn_ack() {

    }

    @Override
    public void receive_fin() {

    }

    @Override
    public void receive_ack() {

    }

    @Override
    public void receive_ack_fin() {

    }

    @Override
    public void send_syn_ack() {

    }

    @Override
    public void send_syn() {

    }

    @Override
    public void send_ack() {
        context.setState(new ESTABLISHED(context));
    }

    @Override
    public void send_fin() {

    }

    @Override
    public void timeout() {

    }

    @Override
    public State getState() {
        return State.SYN_RCVD;
    }
}
public class SYN_SENT extends TCPState {
    public SYN_SENT(TCP context) {
        super(context);
    }

    @Override
    public void passive_open() {

    }

    @Override
    public void close() {

    }

    @Override
    public void receive_syn() {
        context.setState(new SYN_RCVD(context));
    }

    @Override
    public void receive_syn_ack() {
        context.setState(new ESTABLISHED(context));
    }

    @Override
    public void receive_fin() {

    }

    @Override
    public void receive_ack() {

    }

    @Override
    public void receive_ack_fin() {

    }

    @Override
    public void send_syn_ack() {

    }

    @Override
    public void send_syn() {

    }

    @Override
    public void send_ack() {

    }

    @Override
    public void send_fin() {

    }

    @Override
    public void timeout() {

    }

    @Override
    public State getState() {
        return State.SYN_SENT;
    }
}
import java.util.Timer;
import java.util.TimerTask;

public class TIME_WAIT extends TCPState {
    public TIME_WAIT(TCP context) {
        super(context);
        TimerTask task = new TimerTask() {
            @Override
            public void run() {
                context.timeout();
            }
        };
        Timer timer = new Timer("Timer");

        long delay = 5000L;
        timer.schedule(task, delay);
    }

    @Override
    public void passive_open() {

    }

    @Override
    public void close() {

    }

    @Override
    public void receive_syn() {

    }

    @Override
    public void receive_syn_ack() {

    }

    @Override
    public void receive_fin() {

    }

    @Override
    public void receive_ack() {

    }

    @Override
    public void receive_ack_fin() {

    }

    @Override
    public void send_syn_ack() {

    }

    @Override
    public void send_syn() {

    }

    @Override
    public void send_ack() {

    }

    @Override
    public void send_fin() {

    }

    @Override
    public void timeout() {
        context.setState(new CLOSED(context));
    }

    @Override
    public State getState() {
        return State.TIME_WAIT;
    }
}
import org.junit.jupiter.api.Test;

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

class TCPTest {
    @Test
    void testTCP1() {
        TCP tcp = new TCP();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.CLOSED, tcp.getState());

        System.out.print("->");

        tcp.passive_open();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.LISTEN, tcp.getState());

        System.out.print("->");

        tcp.receive_syn();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.SYN_RCVD, tcp.getState());

        System.out.print("->");

        tcp.send_ack();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.ESTABLISHED, tcp.getState());

        System.out.print("->");

        tcp.receive_fin();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.CLOSE_WAIT, tcp.getState());

        System.out.print("->");

        tcp.close();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.LAST_ACK, tcp.getState());

        System.out.print("->");

        tcp.receive_ack();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.CLOSED, tcp.getState());

        System.out.println();
    }

    @Test
    void testTCP2() {
        TCP tcp = new TCP();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.CLOSED, tcp.getState());

        System.out.print("->");

        tcp.passive_open();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.LISTEN, tcp.getState());

        System.out.print("->");

        tcp.send_syn();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.SYN_SENT, tcp.getState());

        System.out.print("->");

        tcp.receive_syn_ack();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.ESTABLISHED, tcp.getState());

        System.out.print("->");

        tcp.close();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.FIN_WAIT_1, tcp.getState());

        System.out.print("->");

        tcp.receive_fin();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.CLOSING, tcp.getState());

        System.out.print("->");

        tcp.receive_ack();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.TIME_WAIT, tcp.getState());

        System.out.print("->");

        tcp.timeout();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.CLOSED, tcp.getState());

        System.out.println();
    }

    @Test
    void testTCP3() {
        TCP tcp = new TCP();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.CLOSED, tcp.getState());

        System.out.print("->");

        tcp.passive_open();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.LISTEN, tcp.getState());

        System.out.print("->");

        tcp.send_syn();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.SYN_SENT, tcp.getState());

        System.out.print("->");

        tcp.receive_syn();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.SYN_RCVD, tcp.getState());

        System.out.print("->");

        tcp.close();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.FIN_WAIT_1, tcp.getState());

        System.out.print("->");

        tcp.send_ack();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.FIN_WAIT_2, tcp.getState());

        System.out.print("->");

        tcp.receive_fin();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.TIME_WAIT, tcp.getState());

        System.out.print("->");

        tcp.timeout();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.CLOSED, tcp.getState());

        System.out.println();
    }

    @Test
    void testTCP4() {
        TCP tcp = new TCP();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.CLOSED, tcp.getState());

        System.out.print("->");

        tcp.passive_open();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.LISTEN, tcp.getState());

        System.out.print("->");

        tcp.receive_syn();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.SYN_RCVD, tcp.getState());

        System.out.print("->");

        tcp.close();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.FIN_WAIT_1, tcp.getState());

        System.out.print("->");

        tcp.receive_ack_fin();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.TIME_WAIT, tcp.getState());

        System.out.print("->");

        tcp.timeout();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.CLOSED, tcp.getState());

        System.out.println();
    }

    @Test
    void testTCP5() {
        TCP tcp = new TCP();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.CLOSED, tcp.getState());

        System.out.print("->");

        tcp.passive_open();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.LISTEN, tcp.getState());

        System.out.print("->");

        tcp.receive_syn();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.SYN_RCVD, tcp.getState());

        System.out.print("->");

        tcp.send_ack();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.ESTABLISHED, tcp.getState());

        System.out.print("->");

        tcp.close();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.FIN_WAIT_1, tcp.getState());

        System.out.print("->");

        tcp.receive_ack_fin();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.TIME_WAIT, tcp.getState());

        System.out.print("->");

        tcp.timeout();
        System.out.print(tcp.getState());
        assertEquals(TCPState.State.CLOSED, tcp.getState());

        System.out.println();
    }
}
package dateTests;

import org.junit.jupiter.api.Test;

import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;

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

class MetaMorphicTestingExample {
    /**
     * Illustration of how one might test the Metamorphic relation MA,
     * given as example in the assignment (that the day of the week can
     * be optional.
     */
    @Test
    void MA() {
        //Imagine that the following string had been in our CatPart tests:
        String originalInput = "Tue, 3 Jun 2008 11:05:30 GMT";
        //Now we compute the output from the original test case.
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        /*Now we generate a new test input to test the Metamorphic relation.
         * For the relation MA, we remove the 'Tue' part of the input, and make
         * the assumption that we should also remove the subsequent comma and space
         * as well to avoid a parsing error:
         */

        String metaMorphInput = "3 Jun 2008 11:05:30 GMT";
        LocalDateTime metaMorphDateTime = LocalDateTime.parse(metaMorphInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        /*Our Metamorphic relation suggests that the resulting time should remain
         * equal to the original time. Therefore we make this our test oracle:
         */

        assertEquals(originalDateTime, metaMorphDateTime);
    }
}
package dateTests;

import org.junit.jupiter.api.Test;

import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;

class CatPart {
    @Test
    void test0() {
        String originalInput = "Mon, 6 Jan 2020 10:05:04 GMT";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: first third of month
         * month-of-year: quarter 1
         * year: leap year
         * hour-of-day: am, even
         * minute-of-hour: <10, odd
         * second-of-minute: <10, even
         * offset ID: GMT
         */
    }

    @Test
    void test1() {
        String originalInput = "Tue, 17 Apr 2018 09:06:07 -0100";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: middle third of month
         * month-of-year: quarter 2
         * year: common year
         * hour-of-day: am, odd
         * minute-of-hour: <10, even
         * second-of-minute: <10, odd
         * offset ID: -, is a multiple of an hour
         */
    }

    @Test
    void test2() {
        String originalInput = "Wed, 22 Jul 2020 08:12:33 -0130";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: last third of month
         * month-of-year: quarter 3
         * year: leap year
         * hour-of-day: am, even
         * minute-of-hour: >=10, even
         * second-of-minute: >=10, odd
         * offset ID: -, is not a multiple of an hour
         */
    }

    @Test
    void test3() {
        String originalInput = "Thu, 4 Oct 2018 13:16:21 +0230";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: first third of month
         * month-of-year: quarter 4
         * year: common year
         * hour-of-day: pm, odd
         * minute-of-hour: >=10, even
         * second-of-minute: >=10, odd
         * offset ID: +, is not a multiple of an hour
         */
    }

    @Test
    void test4() {
        String originalInput = "Fri, 14 Feb 2020 14:05:30 +0330";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: middle third of month
         * month-of-year: quarter 1
         * year: leap year
         * hour-of-day: pm, even
         * minute-of-hour: <10, odd
         * second-of-minute: >=10, even
         * offset ID: +, is not a multiple of an hour
         */
    }

    @Test
    void test5() {
        String originalInput = "Sat, 26 May 2018 07:03:40 -0500";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: last third of month
         * month-of-year: quarter 2
         * year: common year
         * hour-of-day: am, odd
         * minute-of-hour: <10, odd
         * second-of-minute: >=10, even
         * offset ID: -, is a multiple of an hour
         */
    }

    @Test
    void test6() {
        String originalInput = "Sat, 8 Aug 2020 06:35:07 GMT";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: first third of month
         * month-of-year: quarter 3
         * year: leap year
         * hour-of-day: am, even
         * minute-of-hour: >=10, odd
         * second-of-minute: <10, odd
         * offset ID: GMT
         */
    }

    @Test
    void test7() {
        String originalInput = "Sat, 17 Nov 2018 15:08:02 +0630";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: middle third of month
         * month-of-year: quarter 4
         * year: common year
         * hour-of-day: pm, odd
         * minute-of-hour: >=10, even
         * second-of-minute: <10, even
         * offset ID: +, is not a multiple of an hour
         */
    }

    @Test
    void test8() {
        String originalInput = "Sun, 22 Mar 2020 17:09:03 -0700";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: last third of month
         * month-of-year: quarter 1
         * year: leap year
         * hour-of-day: pm, odd
         * minute-of-hour: <10, odd
         * second-of-minute: <10, odd
         * offset ID: -, is a multiple of an hour
         */
    }

    @Test
    void test9() {
        String originalInput = "Sun, 3 Jun 2018 18:50:20 +0800";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: first third of month
         * month-of-year: quarter 2
         * year: common year
         * hour-of-day: pm, even
         * minute-of-hour: >=10, even
         * second-of-minute: >=10, even
         * offset ID: +, is a multiple of an hour
         */
    }
}
package dateTests;

import org.junit.jupiter.api.Test;

import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;

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

class MA {
    /*
     * The year plus 1 should equals to the day plus 365 or 366(when leap year).
     */
    @Test
    void test0() {
        String originalInput = "Mon, 6 Jan 2020 10:05:04 GMT";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: first third of month
         * month-of-year: quarter 1
         * year: leap year
         * hour-of-day: am, even
         * minute-of-hour: <10, odd
         * second-of-minute: <10, even
         * offset ID: GMT
         */
        String metamorphicInput = "Wed, 6 Jan 2021 10:05:04 GMT";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime.minusDays(366));
    }

    @Test
    void test1() {
        String originalInput = "Tue, 17 Apr 2018 09:06:07 -0100";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: middle third of month
         * month-of-year: quarter 2
         * year: common year
         * hour-of-day: am, odd
         * minute-of-hour: <10, even
         * second-of-minute: <10, odd
         * offset ID: -, is a multiple of an hour
         */
        String metamorphicInput = "Wed, 17 Apr 2019 09:06:07 -0100";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime.minusDays(365));
    }

    @Test
    void test2() {
        String originalInput = "Wed, 22 Jul 2020 08:12:33 -0130";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: last third of month
         * month-of-year: quarter 3
         * year: leap year
         * hour-of-day: am, even
         * minute-of-hour: >=10, even
         * second-of-minute: >=10, odd
         * offset ID: -, is not a multiple of an hour
         */
        String metamorphicInput = "Thu, 22 Jul 2021 08:12:33 -0130";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime.minusDays(365));
    }

    @Test
    void test3() {
        String originalInput = "Thu, 4 Oct 2018 13:16:21 +0230";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: first third of month
         * month-of-year: quarter 4
         * year: common year
         * hour-of-day: pm, odd
         * minute-of-hour: >=10, even
         * second-of-minute: >=10, odd
         * offset ID: +, is not a multiple of an hour
         */
        String metamorphicInput = "Fri, 4 Oct 2019 13:16:21 +0230";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime.minusDays(365));
    }

    @Test
    void test4() {
        String originalInput = "Fri, 14 Feb 2020 14:05:30 +0330";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: middle third of month
         * month-of-year: quarter 1
         * year: leap year
         * hour-of-day: pm, even
         * minute-of-hour: <10, odd
         * second-of-minute: >=10, even
         * offset ID: +, is not a multiple of an hour
         */
        String metamorphicInput = "Sun, 14 Feb 2021 14:05:30 +0330";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime.minusDays(366));
    }

    @Test
    void test5() {
        String originalInput = "Sat, 26 May 2018 07:03:40 -0500";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: last third of month
         * month-of-year: quarter 2
         * year: common year
         * hour-of-day: am, odd
         * minute-of-hour: <10, odd
         * second-of-minute: >=10, even
         * offset ID: -, is a multiple of an hour
         */
        String metamorphicInput = "Sun, 26 May 2019 07:03:40 -0500";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime.minusDays(365));
    }

    @Test
    void test6() {
        String originalInput = "Sat, 8 Aug 2020 06:35:07 GMT";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: first third of month
         * month-of-year: quarter 3
         * year: leap year
         * hour-of-day: am, even
         * minute-of-hour: >=10, odd
         * second-of-minute: <10, odd
         * offset ID: GMT
         */
        String metamorphicInput = "Sun, 8 Aug 2021 06:35:07 GMT";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime.minusDays(365));
    }

    @Test
    void test7() {
        String originalInput = "Sat, 17 Nov 2018 15:08:02 +0630";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: middle third of month
         * month-of-year: quarter 4
         * year: common year
         * hour-of-day: pm, odd
         * minute-of-hour: >=10, even
         * second-of-minute: <10, even
         * offset ID: +, is not a multiple of an hour
         */
        String metamorphicInput = "Sun, 17 Nov 2019 15:08:02 +0630";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime.minusDays(365));
    }

    @Test
    void test8() {
        String originalInput = "Sun, 22 Mar 2020 17:09:03 -0700";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: last third of month
         * month-of-year: quarter 1
         * year: leap year
         * hour-of-day: pm, odd
         * minute-of-hour: <10, odd
         * second-of-minute: <10, odd
         * offset ID: -, is a multiple of an hour
         */
        String metamorphicInput = "Mon, 22 Mar 2021 17:09:03 -0700";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime.minusDays(365));
    }

    @Test
    void test9() {
        String originalInput = "Sun, 3 Jun 2018 18:50:20 +0800";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: first third of month
         * month-of-year: quarter 2
         * year: common year
         * hour-of-day: pm, even
         * minute-of-hour: >=10, even
         * second-of-minute: >=10, even
         * offset ID: +, is a multiple of an hour
         */
        String metamorphicInput = "Mon, 3 Jun 2019 18:50:20 +0800";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime.minusDays(365));
    }
}
package dateTests;

import org.junit.jupiter.api.Test;

import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;

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

class MB {
    /*
     * When year changes, the month of year of two time should be equal.
     */
    @Test
    void test0() {
        String originalInput = "Mon, 6 Jan 2020 10:05:04 GMT";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: first third of month
         * month-of-year: quarter 1
         * year: leap year
         * hour-of-day: am, even
         * minute-of-hour: <10, odd
         * second-of-minute: <10, even
         * offset ID: GMT
         */
        String metamorphicInput = "Mon, 6 Jan 2025 10:05:04 GMT";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime.getMonth(), metamorphicDateTime.getMonth());
    }

    @Test
    void test1() {
        String originalInput = "Tue, 17 Apr 2018 09:06:07 -0100";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: middle third of month
         * month-of-year: quarter 2
         * year: common year
         * hour-of-day: am, odd
         * minute-of-hour: <10, even
         * second-of-minute: <10, odd
         * offset ID: -, is a multiple of an hour
         */
        String metamorphicInput = "Mon, 17 Apr 2017 09:06:07 -0100";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime.getMonth(), metamorphicDateTime.getMonth());
    }

    @Test
    void test2() {
        String originalInput = "Wed, 22 Jul 2020 08:12:33 -0130";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: last third of month
         * month-of-year: quarter 3
         * year: leap year
         * hour-of-day: am, even
         * minute-of-hour: >=10, even
         * second-of-minute: >=10, odd
         * offset ID: -, is not a multiple of an hour
         */
        String metamorphicInput = "Sat, 22 Jul 2028 08:12:33 -0130";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime.getMonth(), metamorphicDateTime.getMonth());
    }

    @Test
    void test3() {
        String originalInput = "Thu, 4 Oct 2018 13:16:21 +0230";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: first third of month
         * month-of-year: quarter 4
         * year: common year
         * hour-of-day: pm, odd
         * minute-of-hour: >=10, even
         * second-of-minute: >=10, odd
         * offset ID: +, is not a multiple of an hour
         */
        String metamorphicInput = "Sat, 4 Oct 2008 13:16:21 +0230";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime.getMonth(), metamorphicDateTime.getMonth());
    }

    @Test
    void test4() {
        String originalInput = "Fri, 14 Feb 2020 14:05:30 +0330";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: middle third of month
         * month-of-year: quarter 1
         * year: leap year
         * hour-of-day: pm, even
         * minute-of-hour: <10, odd
         * second-of-minute: >=10, even
         * offset ID: +, is not a multiple of an hour
         */
        String metamorphicInput = "Tue, 14 Feb 2012 14:05:30 +0330";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime.getMonth(), metamorphicDateTime.getMonth());
    }

    @Test
    void test5() {
        String originalInput = "Sat, 26 May 2018 07:03:40 -0500";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: last third of month
         * month-of-year: quarter 2
         * year: common year
         * hour-of-day: am, odd
         * minute-of-hour: <10, odd
         * second-of-minute: >=10, even
         * offset ID: -, is a multiple of an hour
         */
        String metamorphicInput = "Tue, 26 May 2218 07:03:40 -0500";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime.getMonth(), metamorphicDateTime.getMonth());
    }

    @Test
    void test6() {
        String originalInput = "Sat, 8 Aug 2020 06:35:07 GMT";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: first third of month
         * month-of-year: quarter 3
         * year: leap year
         * hour-of-day: am, even
         * minute-of-hour: >=10, odd
         * second-of-minute: <10, odd
         * offset ID: GMT
         */
        String metamorphicInput = "Thu, 8 Aug 2120 06:35:07 GMT";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime.getMonth(), metamorphicDateTime.getMonth());
    }

    @Test
    void test7() {
        String originalInput = "Sat, 17 Nov 2018 15:08:02 +0630";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: middle third of month
         * month-of-year: quarter 4
         * year: common year
         * hour-of-day: pm, odd
         * minute-of-hour: >=10, even
         * second-of-minute: <10, even
         * offset ID: +, is not a multiple of an hour
         */
        String metamorphicInput = "Sun, 17 Nov 1996 15:08:02 +0630";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime.getMonth(), metamorphicDateTime.getMonth());
    }

    @Test
    void test8() {
        String originalInput = "Sun, 22 Mar 2020 17:09:03 -0700";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: last third of month
         * month-of-year: quarter 1
         * year: leap year
         * hour-of-day: pm, odd
         * minute-of-hour: <10, odd
         * second-of-minute: <10, odd
         * offset ID: -, is a multiple of an hour
         */
        String metamorphicInput = "Mon, 22 Mar 1920 17:09:03 -0700";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime.getMonth(), metamorphicDateTime.getMonth());
    }

    @Test
    void test9() {
        String originalInput = "Sun, 3 Jun 2018 18:50:20 +0800";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: first third of month
         * month-of-year: quarter 2
         * year: common year
         * hour-of-day: pm, even
         * minute-of-hour: >=10, even
         * second-of-minute: >=10, even
         * offset ID: +, is a multiple of an hour
         */
        String metamorphicInput = "Sat, 3 Jun 2000 18:50:20 +0800";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime.getMonth(), metamorphicDateTime.getMonth());
    }
}
package dateTests;

import org.junit.jupiter.api.Test;

import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;

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

class MC {
    /*
     * The second of minute is optional.
     * Missing out this value should affect the time where second is not zero.
     */
    @Test
    void test0() {
        String originalInput = "Mon, 6 Jan 2020 10:05:04 GMT";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: first third of month
         * month-of-year: quarter 1
         * year: leap year
         * hour-of-day: am, even
         * minute-of-hour: <10, odd
         * second-of-minute: <10, even
         * offset ID: GMT
         */
        String metamorphicInput = "Mon, 6 Jan 2020 10:05 GMT";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertNotEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test1() {
        String originalInput = "Tue, 17 Apr 2018 09:06:07 -0100";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: middle third of month
         * month-of-year: quarter 2
         * year: common year
         * hour-of-day: am, odd
         * minute-of-hour: <10, even
         * second-of-minute: <10, odd
         * offset ID: -, is a multiple of an hour
         */
        String metamorphicInput = "Tue, 17 Apr 2018 09:06 -0100";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertNotEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test2() {
        String originalInput = "Wed, 22 Jul 2020 08:12:33 -0130";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: last third of month
         * month-of-year: quarter 3
         * year: leap year
         * hour-of-day: am, even
         * minute-of-hour: >=10, even
         * second-of-minute: >=10, odd
         * offset ID: -, is not a multiple of an hour
         */
        String metamorphicInput = "Wed, 22 Jul 2020 08:12 -0130";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertNotEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test3() {
        String originalInput = "Thu, 4 Oct 2018 13:16:21 +0230";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: first third of month
         * month-of-year: quarter 4
         * year: common year
         * hour-of-day: pm, odd
         * minute-of-hour: >=10, even
         * second-of-minute: >=10, odd
         * offset ID: +, is not a multiple of an hour
         */
        String metamorphicInput = "Thu, 4 Oct 2018 13:16 +0230";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertNotEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test4() {
        String originalInput = "Fri, 14 Feb 2020 14:05:30 +0330";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: middle third of month
         * month-of-year: quarter 1
         * year: leap year
         * hour-of-day: pm, even
         * minute-of-hour: <10, odd
         * second-of-minute: >=10, even
         * offset ID: +, is not a multiple of an hour
         */
        String metamorphicInput = "Fri, 14 Feb 2020 14:05 +0330";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertNotEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test5() {
        String originalInput = "Sat, 26 May 2018 07:03:40 -0500";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: last third of month
         * month-of-year: quarter 2
         * year: common year
         * hour-of-day: am, odd
         * minute-of-hour: <10, odd
         * second-of-minute: >=10, even
         * offset ID: -, is a multiple of an hour
         */
        String metamorphicInput = "Sat, 26 May 2018 07:03 -0500";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertNotEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test6() {
        String originalInput = "Sat, 8 Aug 2020 06:35:07 GMT";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: first third of month
         * month-of-year: quarter 3
         * year: leap year
         * hour-of-day: am, even
         * minute-of-hour: >=10, odd
         * second-of-minute: <10, odd
         * offset ID: GMT
         */
        String metamorphicInput = "Sat, 8 Aug 2020 06:35 GMT";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertNotEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test7() {
        String originalInput = "Sat, 17 Nov 2018 15:08:02 +0630";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: middle third of month
         * month-of-year: quarter 4
         * year: common year
         * hour-of-day: pm, odd
         * minute-of-hour: >=10, even
         * second-of-minute: <10, even
         * offset ID: +, is not a multiple of an hour
         */
        String metamorphicInput = "Sat, 17 Nov 2018 15:08 +0630";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertNotEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test8() {
        String originalInput = "Sun, 22 Mar 2020 17:09:03 -0700";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: last third of month
         * month-of-year: quarter 1
         * year: leap year
         * hour-of-day: pm, odd
         * minute-of-hour: <10, odd
         * second-of-minute: <10, odd
         * offset ID: -, is a multiple of an hour
         */
        String metamorphicInput = "Sun, 22 Mar 2020 17:09 -0700";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertNotEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test9() {
        String originalInput = "Sun, 3 Jun 2018 18:50:20 +0800";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: first third of month
         * month-of-year: quarter 2
         * year: common year
         * hour-of-day: pm, even
         * minute-of-hour: >=10, even
         * second-of-minute: >=10, even
         * offset ID: +, is a multiple of an hour
         */
        String metamorphicInput = "Sun, 3 Jun 2018 18:50 +0800";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertNotEquals(originalDateTime, metamorphicDateTime);
    }
}
package dateTests;

import org.junit.jupiter.api.Test;

import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;

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

class MD {
    /*
     * Case insensitive.
     */
    @Test
    void test0() {
        String originalInput = "Mon, 6 Jan 2020 10:05:04 GMT";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: first third of month
         * month-of-year: quarter 1
         * year: leap year
         * hour-of-day: am, even
         * minute-of-hour: <10, odd
         * second-of-minute: <10, even
         * offset ID: GMT
         */
        String metamorphicInput = "mon, 6 jan 2020 10:05:04 gmt";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test1() {
        String originalInput = "Tue, 17 Apr 2018 09:06:07 -0100";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: middle third of month
         * month-of-year: quarter 2
         * year: common year
         * hour-of-day: am, odd
         * minute-of-hour: <10, even
         * second-of-minute: <10, odd
         * offset ID: -, is a multiple of an hour
         */
        String metamorphicInput = "tue, 17 apr 2018 09:06:07 -0100";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test2() {
        String originalInput = "Wed, 22 Jul 2020 08:12:33 -0130";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: last third of month
         * month-of-year: quarter 3
         * year: leap year
         * hour-of-day: am, even
         * minute-of-hour: >=10, even
         * second-of-minute: >=10, odd
         * offset ID: -, is not a multiple of an hour
         */
        String metamorphicInput = "wed, 22 jul 2020 08:12:33 -0130";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test3() {
        String originalInput = "Thu, 4 Oct 2018 13:16:21 +0230";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: first third of month
         * month-of-year: quarter 4
         * year: common year
         * hour-of-day: pm, odd
         * minute-of-hour: >=10, even
         * second-of-minute: >=10, odd
         * offset ID: +, is not a multiple of an hour
         */
        String metamorphicInput = "thu, 4 oct 2018 13:16:21 +0230";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test4() {
        String originalInput = "Fri, 14 Feb 2020 14:05:30 +0330";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: middle third of month
         * month-of-year: quarter 1
         * year: leap year
         * hour-of-day: pm, even
         * minute-of-hour: <10, odd
         * second-of-minute: >=10, even
         * offset ID: +, is not a multiple of an hour
         */
        String metamorphicInput = "fri, 14 feb 2020 14:05:30 +0330";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test5() {
        String originalInput = "Sat, 26 May 2018 07:03:40 -0500";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: last third of month
         * month-of-year: quarter 2
         * year: common year
         * hour-of-day: am, odd
         * minute-of-hour: <10, odd
         * second-of-minute: >=10, even
         * offset ID: -, is a multiple of an hour
         */
        String metamorphicInput = "sAt, 26 mAy 2018 07:03:40 -0500";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test6() {
        String originalInput = "Sat, 8 Aug 2020 06:35:07 GMT";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: first third of month
         * month-of-year: quarter 3
         * year: leap year
         * hour-of-day: am, even
         * minute-of-hour: >=10, odd
         * second-of-minute: <10, odd
         * offset ID: GMT
         */
        String metamorphicInput = "saT, 8 auG 2020 06:35:07 gmT";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test7() {
        String originalInput = "Sat, 17 Nov 2018 15:08:02 +0630";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: middle third of month
         * month-of-year: quarter 4
         * year: common year
         * hour-of-day: pm, odd
         * minute-of-hour: >=10, even
         * second-of-minute: <10, even
         * offset ID: +, is not a multiple of an hour
         */
        String metamorphicInput = "SAT, 17 NOV 2018 15:08:02 +0630";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test8() {
        String originalInput = "Sun, 22 Mar 2020 17:09:03 -0700";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: last third of month
         * month-of-year: quarter 1
         * year: leap year
         * hour-of-day: pm, odd
         * minute-of-hour: <10, odd
         * second-of-minute: <10, odd
         * offset ID: -, is a multiple of an hour
         */
        String metamorphicInput = "SUn, 22 MAr 2020 17:09:03 -0700";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test9() {
        String originalInput = "Sun, 3 Jun 2018 18:50:20 +0800";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: first third of month
         * month-of-year: quarter 2
         * year: common year
         * hour-of-day: pm, even
         * minute-of-hour: >=10, even
         * second-of-minute: >=10, even
         * offset ID: +, is a multiple of an hour
         */
        String metamorphicInput = "SuN, 3 JuN 2018 18:50:20 +0800";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime);
    }
}
package dateTests;

import org.junit.jupiter.api.Test;

import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;

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

class ME {
    /*
     * The month of year can be number or words.
     */
    @Test
    void test0() {
        String originalInput = "Mon, 6 Jan 2020 0010:05:04 GMT";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: first third of month
         * month-of-year: quarter 1
         * year: leap year
         * hour-of-day: am, even
         * minute-of-hour: <10, odd
         * second-of-minute: <10, even
         * offset ID: GMT
         */
        String metamorphicInput = "Mon, 6 1 2020 0010:05:04 GMT";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test1() {
        String originalInput = "Tue, 17 Apr 2018 09:06:07 -0100";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: middle third of month
         * month-of-year: quarter 2
         * year: common year
         * hour-of-day: am, odd
         * minute-of-hour: <10, even
         * second-of-minute: <10, odd
         * offset ID: -, is a multiple of an hour
         */
        String metamorphicInput = "Tue, 17 4 2018 09:06:07 -0100";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test2() {
        String originalInput = "Wed, 22 Jul 2020 08:12:33 -0130";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: last third of month
         * month-of-year: quarter 3
         * year: leap year
         * hour-of-day: am, even
         * minute-of-hour: >=10, even
         * second-of-minute: >=10, odd
         * offset ID: -, is not a multiple of an hour
         */
        String metamorphicInput = "Wed, 22 7 2020 08:12:33 -0130";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test3() {
        String originalInput = "Thu, 4 Oct 2018 13:16:21 +0230";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: first third of month
         * month-of-year: quarter 4
         * year: common year
         * hour-of-day: pm, odd
         * minute-of-hour: >=10, even
         * second-of-minute: >=10, odd
         * offset ID: +, is not a multiple of an hour
         */
        String metamorphicInput = "Thu, 4 10 2018 13:16:21 +0230";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test4() {
        String originalInput = "Fri, 14 Feb 2020 14:05:30 +0330";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekdays
         * day-of-month: middle third of month
         * month-of-year: quarter 1
         * year: leap year
         * hour-of-day: pm, even
         * minute-of-hour: <10, odd
         * second-of-minute: >=10, even
         * offset ID: +, is not a multiple of an hour
         */
        String metamorphicInput = "Fri, 14 2 2020 14:05:30 +0330";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test5() {
        String originalInput = "Sat, 26 May 2018 07:03:40 -0500";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: last third of month
         * month-of-year: quarter 2
         * year: common year
         * hour-of-day: am, odd
         * minute-of-hour: <10, odd
         * second-of-minute: >=10, even
         * offset ID: -, is a multiple of an hour
         */
        String metamorphicInput = "Sat, 26 5 2018 07:03:40 -0500";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test6() {
        String originalInput = "Sat, 8 Aug 2020 06:35:07 GMT";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: first third of month
         * month-of-year: quarter 3
         * year: leap year
         * hour-of-day: am, even
         * minute-of-hour: >=10, odd
         * second-of-minute: <10, odd
         * offset ID: GMT
         */
        String metamorphicInput = "Sat, 8 8 2020 06:35:07 GMT";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test7() {
        String originalInput = "Sat, 17 Nov 2018 15:08:02 +0630";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: middle third of month
         * month-of-year: quarter 4
         * year: common year
         * hour-of-day: pm, odd
         * minute-of-hour: >=10, even
         * second-of-minute: <10, even
         * offset ID: +, is not a multiple of an hour
         */
        String metamorphicInput = "Sat, 17 11 2018 15:08:02 +0630";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test8() {
        String originalInput = "Sun, 22 Mar 2020 17:09:03 -0700";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: last third of month
         * month-of-year: quarter 1
         * year: leap year
         * hour-of-day: pm, odd
         * minute-of-hour: <10, odd
         * second-of-minute: <10, odd
         * offset ID: -, is a multiple of an hour
         */
        String metamorphicInput = "Sun, 22 3 2020 17:09:03 -0700";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime);
    }

    @Test
    void test9() {
        String originalInput = "Sun, 3 Jun 2018 18:50:20 +0800";
        LocalDateTime originalDateTime = LocalDateTime.parse(originalInput, DateTimeFormatter.RFC_1123_DATE_TIME);
        /*
         * day-of-week: weekends
         * day-of-month: first third of month
         * month-of-year: quarter 2
         * year: common year
         * hour-of-day: pm, even
         * minute-of-hour: >=10, even
         * second-of-minute: >=10, even
         * offset ID: +, is a multiple of an hour
         */
        String metamorphicInput = "Sun, 3 6 2018 18:50:20 +0800";
        LocalDateTime metamorphicDateTime = LocalDateTime.parse(metamorphicInput, DateTimeFormatter.RFC_1123_DATE_TIME);

        assertEquals(originalDateTime, metamorphicDateTime);
    }
}

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