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From "Alexei Zakharov (JIRA)" <j...@apache.org>
Subject [jira] Closed: (HARMONY-2610) [classlib][awt] Compatibility: java.awt.GraphicsDevice.getDisplayMode() on RI throws unspecified NPE while Harmony doesn't
Date Tue, 23 Jan 2007 10:45:50 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-2610?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alexei Zakharov closed HARMONY-2610.
------------------------------------

    Resolution: Won't Fix

> [classlib][awt] Compatibility: java.awt.GraphicsDevice.getDisplayMode() on RI throws
unspecified NPE while Harmony doesn't
> --------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-2610
>                 URL: https://issues.apache.org/jira/browse/HARMONY-2610
>             Project: Harmony
>          Issue Type: Bug
>          Components: Non-bug differences from RI
>            Reporter: Ilya Okomin
>         Assigned To: Alexei Zakharov
>            Priority: Minor
>
> Harmony  for java.awt.GraphicsDevice.getDisplayMode() does not throw unspecified NPE
while RI does.
> Test case for reproducing:
> ------------------ test.java -----------------
> import junit.framework.TestCase;
> import junit.textui.TestRunner;
> import java.awt.GraphicsDevice;
> import java.awt.GraphicsConfiguration;
> public class test extends TestCase {
>     public static void main(String args[]) {
>         TestRunner.run(test.class);
>     }
>     private static class TestGraphicsDevice extends GraphicsDevice {
>         public int getType() {
>             return GraphicsDevice.TYPE_IMAGE_BUFFER;
>         }
>         public String getIDstring() {
>             return "A";
>         }
>         public GraphicsConfiguration[] getConfigurations() {
>             return new GraphicsConfiguration[0];
>         }
>         public GraphicsConfiguration getDefaultConfiguration() {
>             return null;
>         }
>     }
>     public void testRun() {
>         TestGraphicsDevice localTestGraphicsDevice = new TestGraphicsDevice();
>         try {
>             System.out.println("Display mode = " + localTestGraphicsDevice.getDisplayMode());
>             fail("NPE Expected!");
>         } catch (NullPointerException e) {
>             e.printStackTrace();
>         }
>     }
> }
> ----------------------------------
> Output RI:
> ========
> .java.lang.NullPointerException
> 	at java.awt.GraphicsDevice.getDisplayMode(GraphicsDevice.java:271)
> 	at test.testRun(test.java:37)
> 	at jrockit.reflect.VirtualNativeMethodInvoker.invoke(Ljava.lang.Object;[Ljava.lang.Object;)Ljava.lang.Object;(Unknown
Source)
> 	at java.lang.reflect.Method.invoke(Ljava.lang.Object;[Ljava.lang.Object;I)Ljava.lang.Object;(Unknown
Source)
> 	at junit.framework.TestCase.runTest(TestCase.java:154)
> 	at junit.framework.TestCase.runBare(TestCase.java:127)
> 	at junit.framework.TestResult$1.protect(TestResult.java:106)
> 	at junit.framework.TestResult.runProtected(TestResult.java:124)
> 	at junit.framework.TestResult.run(TestResult.java:109)
> 	at junit.framework.TestCase.run(TestCase.java:118)
> 	at junit.framework.TestSuite.runTest(TestSuite.java:208)
> 	at junit.framework.TestSuite.run(TestSuite.java:203)
> 	at junit.textui.TestRunner.doRun(TestRunner.java:116)
> 	at junit.textui.TestRunner.doRun(TestRunner.java:109)
> 	at junit.textui.TestRunner.run(TestRunner.java:72)
> 	at junit.textui.TestRunner.run(TestRunner.java:57)
> 	at test.main(test.java:12)
> Time: 0,04
> OK (1 test)
> Output Harmony:
> =============
> .Display mode = java.awt.DisplayMode@2079f204
> F
> Time: 0.04
> There was 1 failure:
> 1) testRun(test)junit.framework.AssertionFailedError: NPE Expected!
> 	at test.testRun(test.java:36)
> 	at java.lang.reflect.VMReflection.invokeMethod(Native Method)
> 	at test.main(test.java:10)
> FAILURES!!!
> Tests run: 1,  Failures: 1,  Errors: 0
> IMO this bug can be marked as non-bug difference, since Harmony creates DisplayMode object
with default parameters and RI throws unspecified exception. Any thoughts?

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