Name: sdC67446 Date: 04/27/98


The spec for ctor
java.beans.beancontext.BeanContextMembershipEvent(BeanContext bc,
Object[] changes) does not specify behavior if 'changes' == null.
Currently ctor doesn't check 'changes' for null.
After that method size() throws unexpected NullPointerException.

More acceptible behavior here is to throw NullPointerException
in ctor unless otherwise specified.
--------------Here is what doc says:--------------

BeanContextMembershipEvent

public BeanContextMembershipEvent(BeanContext bc,
                                  Object[] changes)

       Contruct a BeanContextMembershipEvent
       Parameters:
              bc - The BeanContext source
              changes - The Children effected

-----Here is the test demonstrating the bug:------

import java.beans.beancontext.*;

public class Test extends BeanContextMembershipEvent {

    public Test(BeanContext bc,Object[] objects) {
        super(bc,objects);
    }

    public static void main(String[] args) {

        BeanContextSupport bcs = new BeanContextSupport();
        Test bcme = new Test(bcs,null);

        try {
            System.out.println(bcme.size());
        } catch (Exception e) {
            System.out.println("-"+e);
        }
    }
}
-----Here is output from test:--------------------
-java.lang.NullPointerException
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