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From "Anton Luht (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-855) Some java.uiti.Collections methods do not throw unspecified NPE while RI does
Date Wed, 12 Jul 2006 14:57:29 GMT
Some java.uiti.Collections methods do not throw unspecified NPE while RI does
-----------------------------------------------------------------------------

         Key: HARMONY-855
         URL: http://issues.apache.org/jira/browse/HARMONY-855
     Project: Harmony
        Type: Bug

  Components: Non-bug differences from RI  
 Environment: Windows XP professional
    Reporter: Anton Luht
    Priority: Minor


Build: classlib+VM revision 421248 msvc debug

Problem:

Some Collections.checked... methods throw NPE if one of their arguments is null in RI but
don't throw in Harmony

Code to reproduce:


import java.util.*;

public class Test {
    public static void main (String[] args) {  
           try {
               Collections.checkedSortedMap(new TreeMap(), null, Short.TYPE);
               System.err.println("fail 1");
           } catch (NullPointerException e) {
           }
           try {
               Collections.checkedSortedMap(new TreeMap(), Float.TYPE, null);
               System.err.println("fail 1.1");
           } catch (NullPointerException e) {
           }
           try {
               Collections.checkedMap(new TreeMap(), null, Float.TYPE);
               System.err.println("fail 2");
           } catch (NullPointerException e) {
           }
           try {
               Collections.checkedMap(new TreeMap(), Float.TYPE, null);
               System.err.println("fail 2.2");
           } catch (NullPointerException e) {
           }
           try {
               Collections.checkedCollection(new Stack(), null);
               System.err.println("fail 3");
           } catch (NullPointerException e) {
           }            
    } 
}

in RI this test prints nothing, in Harmony all 'fail' messages are printed

Please see the patch attached. It contains:
- JUnit test for the problem
- patch for java.util.Collections



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