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create test cases class Flight { private String flightNo; private Calendar departureTime; private Calendar arrivalTime;   ...

create test cases

class Flight {

private String flightNo;

private Calendar departureTime;

private Calendar arrivalTime;

  

public Flight(String flightNo, Calendar departureTime,

Calendar arrivalTime) {

this.flightNo = flightNo;

this.departureTime = departureTime;

this.arrivalTime = arrivalTime;

}

  

public int getFlightTime() {

return (int)(arrivalTime.getTimeInMillis() - departureTime.getTimeInMillis())

/ (1000 * 60);

}

  

public Calendar getDepartureTime() {

return departureTime;

}

public Calendar getArrivalTime() {

return arrivalTime;

}

  

public void setArrivalTime(Calendar arrivalTime) {

this.arrivalTime = arrivalTime;

}

public void setDepartureTime(Calendar departureTime) {

this.departureTime = departureTime;

}

}

class Itinerary {

private List<Flight> flights;

  

public Itinerary(List<Flight> flights) {

this.flights = flights;

}

  

public int getTotalTravelTime() {

int totalTime = getTotalFlightTime();

for (int i = 0; i < flights.size() - 1; i++) {

long time = flights.get(i + 1).getDepartureTime().getTimeInMillis() -

flights.get(i).getArrivalTime().getTimeInMillis();

totalTime += (int)time / (1000 * 60);

}

return totalTime;

}

  

public int getTotalFlightTime() {

int flightTime = 0;

for (Flight flight: flights)

flightTime += flight.getFlightTime();

return flightTime;

}

}

  

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Homework Answers

Answer #1

Please find the test cases I have included in the test class (in bold).

CODE

===========================

import java.util.ArrayList;

import java.util.Calendar;

import java.util.List;

class Flight {

   private String flightNo;

   private Calendar departureTime;

   private Calendar arrivalTime;

   public Flight(String flightNo, Calendar departureTime,

           Calendar arrivalTime) {

       this.flightNo = flightNo;

       this.departureTime = departureTime;

       this.arrivalTime = arrivalTime;

   }

   public int getFlightTime() {

       return (int)(arrivalTime.getTimeInMillis() - departureTime.getTimeInMillis())

               / (1000 * 60);

   }

   public Calendar getDepartureTime() {

       return departureTime;

   }

   public Calendar getArrivalTime() {

       return arrivalTime;

   }

   public void setArrivalTime(Calendar arrivalTime) {

       this.arrivalTime = arrivalTime;

   }

   public void setDepartureTime(Calendar departureTime) {

       this.departureTime = departureTime;

   }

}

class Itinerary {

   private List<Flight> flights;

   public Itinerary(List<Flight> flights) {

       this.flights = flights;

   }

   public int getTotalTravelTime() {

       int totalTime = getTotalFlightTime();

       for (int i = 0; i < flights.size() - 1; i++) {

           long time = flights.get(i + 1).getDepartureTime().getTimeInMillis() -

                   flights.get(i).getArrivalTime().getTimeInMillis();

           totalTime += (int)time / (1000 * 60);

       }

       return totalTime;

   }

   public int getTotalFlightTime() {

       int flightTime = 0;

       for (Flight flight: flights)

           flightTime += flight.getFlightTime();

       return flightTime;

   }

}

// Test class

public class ItenaryTest {

   // driver method

   public static void main(String args[]) {

       // Create an instance of Itinerary

       Itinerary itinerary;

       // Test Case1

       List<Flight> flights = new ArrayList<>();

       Calendar arrival, departure;

       arrival = Calendar.getInstance();

       departure = Calendar.getInstance();

       // creating flight 1

       departure.set(2018, 3, 18, 11, 00, 00);

       arrival.set(2018, 3, 19, 6, 30, 00);

       Flight f1 = new Flight("6E433", departure, arrival);

       // creating flight 2

       departure.set(2018, 3, 20, 5, 45, 30);

       arrival.set(2018, 3, 21, 23, 05, 45);

       Flight f2 = new Flight("6E434", departure, arrival);

       // creating flight 3

       departure.set(2018, 4, 22, 12, 20, 15);

       arrival.set(2018, 3, 22, 15, 56, 35);

       Flight f3 = new Flight("6E435", departure, arrival);

       // adding flight 1, 2 and 3 to the Itinerary

       flights.add(f1);

       flights.add(f2);

       flights.add(f3);

       itinerary = new Itinerary(flights);

       System.out.println("Test Case 1: Total Travel time = " + itinerary.getTotalFlightTime() + " seconds.");

       // Test case 2

       // creating flight 1

       departure.set(2018, 4, 21, 10, 05, 00);

       arrival.set(2018, 3, 21, 17, 15, 05);

       f1 = new Flight("6E433", departure, arrival);

       // creating flight 2

       // In this case, I am knowingly setting the hour hand to 25 (> 24) to see if the code produce erroneous results or not.

       departure.set(2018, 3, 21, 25, 45, 30);

       arrival.set(2018, 3, 22, 11, 30, 320);

       f2 = new Flight("6E434", departure, arrival);

       // adding flight 1, 2 and 3 to the Itinerary

       flights = new ArrayList<>();

       flights.add(f1);

       flights.add(f2);

       itinerary = new Itinerary(flights);

       System.out.println("Test Case 2: Total Travel time = " + itinerary.getTotalFlightTime() + " seconds. (Giving erroneous output!!!");

       // Test case 3

       // creating flight 1

       departure.set(2018, 4, 21, 10, 05, 00);

       arrival.set(2018, 3, 21, 17, 15, 05);

       f1 = new Flight("6E433", departure, arrival);

       // creating flight 2

       // In this case, I am knowingly setting the departure time before arrival time

       departure.set(2018, 3, 21, 25, 45, 30);

       arrival.set(2018, 3, 20, 10, 30, 320);

       f2 = new Flight("6E434", departure, arrival);

       // adding flight 1, 2 and 3 to the Itinerary

       flights = new ArrayList<>();

       flights.add(f1);

       flights.add(f2);

       itinerary = new Itinerary(flights);

       System.out.println("Test Case 3: Total Travel time = " + itinerary.getTotalFlightTime() + " seconds. (Giving erroneous output!!!");

   }

}

OUTPUT

===========================

kterminated> ItenaryTest [Java Application]/Library/Java/JavaVirtualMachines/jdk1.8.0-144.jdk/Contents/Ho Test Case 1: Total

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