[jira] Commented: (HARMONY-1477) Unexpected IAE from DataFlavor.isMimeTypeEqual method when parameter is empty string

["Alexey Petrenko (JIRA)" <ji...@apache.org>]

    [ http://issues.apache.org/jira/browse/HARMONY-1477?page=comments#action_12434993 ] 
            
Alexey Petrenko commented on HARMONY-1477:
------------------------------------------

Here is a test:

import java.awt.datatransfer.DataFlavor;

public class Harmony1477Test {
    public static void main(String argv[]) throws Exception {
        DataFlavor df = new DataFlavor();
        try {
            System.err.println("PASSED: "+df.equals(""));
        } catch (Throwable t) {
            System.err.println("FAILED!");
            t.printStackTrace();
        }
        try {
            System.err.println("PASSED: "+df.isMimeTypeEqual(""));
        } catch (Throwable t) {
            System.err.println("FAILED!");
            t.printStackTrace();
        }
    }
}

Output from RI:
PASSED: false
PASSED: false

Output from Harmony:
FAILED!
java.lang.IllegalArgumentException: Can't parse MIME type:
        at java.awt.datatransfer.DataFlavor.isMimeTypeEqual(DataFlavor.java:331)

        at java.awt.datatransfer.DataFlavor.equals(DataFlavor.java:424)
        at Harmony1477Test.main(Harmony1477Test.java:7)
FAILED!
java.lang.IllegalArgumentException: Can't parse MIME type:
        at java.awt.datatransfer.DataFlavor.isMimeTypeEqual(DataFlavor.java:331)

        at Harmony1477Test.main(Harmony1477Test.java:13)


NB: DataFlavor.equals(String) method calls isMimeTypeEqual. So the cause of both failures is the same.

> Unexpected IAE from DataFlavor.isMimeTypeEqual method when parameter is empty string
> ------------------------------------------------------------------------------------
>
>                 Key: HARMONY-1477
>                 URL: http://issues.apache.org/jira/browse/HARMONY-1477
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: Alexey Petrenko
>
> Harmony throws unexpected IllegalArgumentException from java.awt.datatransfer.DataFlavor.isMimeTypeEqual method when parameter is empty string. 
> RI does not throw exception in this case. Spec also does not require it.

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