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From "Mark Hindess (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-5788) [classlib][util] TreeMap.entrySet().contains() returns true for entries with null value
Date Wed, 30 Apr 2008 09:49:55 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-5788?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12593280#action_12593280
] 

Mark Hindess commented on HARMONY-5788:
---------------------------------------

I agree that refactoring might be helpful but unless I'm missing something then I think we
still need to check that v2 == null, so something like:

  return v1 == null ? ( v2 == null && TreeMap.this.containsKey(key) ) : v1.equals(v2);



> [classlib][util] TreeMap.entrySet().contains() returns true for entries with null value
> ---------------------------------------------------------------------------------------
>
>                 Key: HARMONY-5788
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5788
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: Mark Hindess
>
> The following code illustrates the problem:
> import java.util.TreeMap;
> public class TestTreeMap {
>     public static void main(String[] args) {
>         TreeMap master = new TreeMap<String, String>();
>         master.put("one", "1");
>         master.put("null", null);
>         TreeMap map = new TreeMap<String, String>();
>         Object[] element = master.entrySet().toArray();
>         for (int i = 0; i < element.length ; i++) {
>             System.out.println("Contains entry " + element[i] + "? == " +
>                                map.entrySet().contains(element[i]));
>         }
>     }
> }
> On harmony, the output is:
>   Contains entry null=null? == true
>   Contains entry one=1? == false
> on the RI, the output is:
>   Contains entry null=null? == false
>   Contains entry one=1? == false

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