libgcj/9854: GregorianCalendar does not validate months correctly

[jjc@jclark.com]

>Number:         9854
>Category:       libgcj
>Synopsis:       GregorianCalendar does not validate months correctly
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Feb 26 02:46:00 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator:     jjc@jclark.com
>Release:        3.3 20030217
>Organization:
>Environment:

>Description:
GregorianCalendar fails to check months for validity as illustrated by the following example. (It also appears not to check days of the month.)

import java.util.GregorianCalendar;

class DateTest {
    static public void main(String[] args) {
	GregorianCalendar cal = new GregorianCalendar();
	cal.setLenient(false);
	cal.set(2000, -1, 20, 5, 5, 5);
	try {
	    cal.getTime();
	    System.err.println("incorrectly allowed");
	}
	catch (IllegalArgumentException e) {
	    System.err.println("correctly detected as illegal");
	}
    }
}
>How-To-Repeat:

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: