Java program
/**
* A test class for testing "Date" "Event", and "Calendar" classes
*/
public class CalendarTest {
public static void main(String[] args) {
System.out.println("**********************Testing the Date class**********************: ");
System.out.println("Testing the constructor");
System.out.println("Trying invalid date--year");
try {
Date d1 = new Date(2012, 8, 28);
System.out.println("****Fails-no Exception thrown");
} catch (Exception e) {
System.out.println("****passes");
}
System.out.println("Trying invalid date--month");
try {
Date d1 = new Date(2024, 13, 28);
System.out.println("****Fails-no Exception thrown");
} catch (Exception e) {
System.out.println("****passes");
}
System.out.println("Trying invalid date--day");
try {
Date d1 = new Date(2024, 12, 0);
System.out.println("****Fails-no Exception thrown");
} catch (Exception e) {
System.out.println("****passes");
}
System.out.println("Trying valid date");
try {
Date d1 = new Date(2025, 8, 28);
System.out.println("****passes");
} catch (Exception e) {
System.out.println("****Fails-exception thrown");
}
System.out.println("Testing the equals method");
Date d1 = new Date(2024, 8, 28);
Date d2 = new Date(2024, 8, 28);
System.out.println("Trying for two equal dates");
if (d1.equals(d2))
System.out.println("****passes");
else
System.out.println("****Fails");
System.out.println("Trying for two unequal dates");
d1 = new Date(2024, 8, 28);
d2 = new Date(2024, 8, 16);
if (d1.equals(d2))
System.out.println("****fails");
else
System.out.println("****passes");
System.out.println("Tesing the compareTo method");
d1 = new Date(2025, 8, 28);
d2 = new Date(2024, 8, 16);
System.out.println("trying for different years");
if (d1.compareTo(d2) > 0)
System.out.println("****passes");
else
System.out.println("****fails");
d1 = new Date(2024, 9, 28);
d2 = new Date(2024, 8, 16);
System.out.println("trying for equal years, but different months");
if (d1.compareTo(d2) > 0)
System.out.println("****passes");
else
System.out.println("****fails");
d1 = new Date(2024, 8, 28);
d2 = new Date(2024, 8, 16);
System.out.println("trying for equal years and months, but different days");
if (d1.compareTo(d2) > 0)
System.out.println("****passes");
else
System.out.println("****fails");
d1 = new Date(2024, 8, 28);
d2 = new Date(2024, 8, 28);
System.out.println("trying for equal years, month, and day");
if (d1.compareTo(d2) == 0)
System.out.println("****passes");
else
System.out.println("****fails");
/**************************************************************************************************/
System.out.println("**********************Testing the Event class*****************************");
System.out.println("Testing the constructor");
System.out.println("Trying invalid event start greater than end");
try {
Event e1 = new Event(d1, 14, 12, "some events");
System.out.println("****Fails-no Exception thrown");
} catch (Exception e) {
System.out.println("****passes");
}
System.out.println("Testing the equals methdod");
Event e1 = new Event(d1, 10, 12, "some events");
Event e2 = new Event(d1, 10, 12, "some events");
System.out.println("Trying for two equal events");
if (e1.equals(e2))
System.out.println("****passes");
else
System.out.println("****Fails");
System.out.println("Trying for two unequal events");
e1 = new Event(d1, 10, 12, "event 1");
e2 = new Event(d1, 12, 14, "event 2");
if (e1.equals(e2))
System.out.println("****fails");
else
System.out.println("****passes");
/*****************************************************************************************************/
System.out.println("******************Testing the Calendar Class********************");
System.out.println("Trying to add an event to an empty calendar");
Calendar c = new Calendar();
c.addEvent(e1);
System.out.println("Your program should print:\n8/28/2024 10--12:event 1");
System.out.println("This is what your program printed: ");
c.dump();
c.addEvent(e2);
Event e3 = new Event(d1, 14, 15, "event 3");
Event e4 = new Event(d2, 14, 15, "event 4");
c.addEvent(e3);
c.addEvent(e4);
System.out.println("Trying to add to a full array");
Event e5 = new Event(d2, 13, 14, "event 5");
if (c.addEvent(e5))
System.out.println("Fails. The arra is full but addEvent returns true");
else
System.out.println("Passes. addEvent returns false");
System.out.println("Trying to find an existing event at the end of the array");
if (c.findEvent(e4) == 3)
System.out.println("Passes");
else
System.out.println("Failed");
System.out.println("Trying to find an existing event at the beginning of the array");
if (c.findEvent(e1) == 0)
System.out.println("Passes");
else
System.out.println("Failed");
System.out.println("Trying to find a non-existing existing event");
if (c.findEvent(e5) < 0)
System.out.println("Passes");
else
System.out.println("Failed");
System.out.println("Trying to remove an existing event");
if (c.removeEvent(e3))
System.out.println("Passes");
else
System.out.println("Fails");
System.out.println("tring to remove a non-existing event");
if (c.removeEvent(e3))
System.out.println("Fails");
else
System.out.println("Passes");
System.out.println("Testing dump");
System.out.println("your program should print:");
System.out.println("8/28/2024 10--12:event 1\n8/28/2024 12--14:event 2\n8/28/2024 14--15:event 4");
System.out.println("This is what your program printed: ");
c.dump();
System.out.println("Adding an event to a non-full calendar:");
if (c.addEvent(e5))
System.out.println("Passes");
else
System.out.println("Fails");
System.out.println("Testing dump");
System.out.println("your program should print:");
System.out.println(
"8/28/2024 10--12:event 1\n8/28/2024 12--14:event 2\n8/28/2024 13--14:event 5\n8/28/2024 14--15:event 4");
System.out.println("This is what your program printed: ");
c.dump();
}
