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Date: Thu, 25 Jan 2007 04:25:49 -0800 (PST)
From: "Andrey Pavlenko (JIRA)" <jira@apache.org>
To: commits@harmony.apache.org
Subject: [jira] Commented: (HARMONY-2656) [classlib][awt] Compatibility:
 java.awt.AreaAveragingScaleFilter.setPixels() throws different Exceptions
 on RI and Harmony when the height is negative
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    [ https://issues.apache.org/jira/browse/HARMONY-2656?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12467345 ] 

Andrey Pavlenko commented on HARMONY-2656:
------------------------------------------

The issue is in the negative height passed to the AreaAveragingScaleFilter() constructor. RI does not throw any Exceptions in this case, but I don't think it's a valid behavior. I think this issue should be closed as non-bug diff.

> [classlib][awt] Compatibility: java.awt.AreaAveragingScaleFilter.setPixels() throws different Exceptions on RI and Harmony when the height is negative
> ------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-2656
>                 URL: https://issues.apache.org/jira/browse/HARMONY-2656
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: Ilya Okomin
>            Priority: Minor
>
> java.awt.AreaAveragingScaleFilter.setPixels(int x, int y, int w, int h, ColorModel model, int[] pixels, int off, int scansize) 
>  on Harmony throws NegativeArraySizeException with incorrect height parmeters. RI throws IndexOutOfBoundsException.
> See test case to reproduce:
> ---------- test.java -----------
> import java.awt.image.AreaAveragingScaleFilter;
> import java.awt.image.ColorModel;
> import junit.framework.TestCase;
> import junit.textui.TestRunner;
> public class test extends TestCase {
>     public static void main(String args[]) {
>         TestRunner.run(test.class);
>     }
>     public void testRun() {
>         int width = 143;
>         int height = -1;
>         int x = 1;
>         int y = 1;
>         int w = 1;
>         int h = 1;
>         int[] pixels = new int[] {};
>         AreaAveragingScaleFilter locAASF = new AreaAveragingScaleFilter(width,
>                 height);
>         int off = 2;
>         int scansize = 1;
>         try {
>             locAASF.setPixels(x, y, w, h, (ColorModel) null, pixels, off,
>                     scansize);
>             fail("IndexOutOfBoundsException expected");
>         } catch (IndexOutOfBoundsException e) {
>             // expected
>         }
>     }
> }
> --------------------------
> Output RI:
> ========
> .
> Time: 0,1
> OK (1 test)
> Output Harmony:
> =============
> .E
> Time: 0.04
> There was 1 error:
> 1) testRun(test)java.lang.NegativeArraySizeException
> 	at java.awt.image.ReplicateScaleFilter.initArrays(ReplicateScaleFilter.java:172)
> 	at java.awt.image.ReplicateScaleFilter.setPixels(ReplicateScaleFilter.java:82)
> 	at java.awt.image.AreaAveragingScaleFilter.setPixels(AreaAveragingScaleFilter.java:55)
> 	at test.testRun(test.java:25)
> 	at java.lang.reflect.VMReflection.invokeMethod(Native Method)
> 	at test.main(test.java:10)
> FAILURES!!!
> Tests run: 1,  Failures: 0,  Errors: 1

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