java.util.GregorianCalendar.roll(int field, boolean up) fails with illegal field

Name: dfC67450 Date: 05/27/98



java.util.GregorianCalendar.roll(int field, boolean up) throws ArrayIndexOutOfBounds
instead of IllegalArgument exception when field < 0 or field >= FIELD_COUNT.
Javadoc says about roll(int field, boolean up) :

     exception: IllegalArgumentException if an unknown field value is given.

Here is the test demonstrating the bug:

-----------------Test.java------------------------
import java.util.*;

public class Test {
    public static void main (String args[]){
        GregorianCalendar calendar = new GregorianCalendar();
        try {
          calendar.roll(-1, true);
            System.out.println("Test failed, no exception trown");
        } catch (IllegalArgumentException e) {
            System.out.println("Test passed");
        } catch (Exception e) {
            System.out.println("Test failed. Unexpected exception is thrown");
            System.out.println(e);
        }
    }
}
---------Output from the test---------------------
Test failed. Unexpected exception is thrown
java.lang.ArrayIndexOutOfBoundsException: -1
-------------------------------------------------

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