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From "Maxim Makarov (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-1854) [drlvm][unit] WeakReference has not been garbage collected using JET
Date Fri, 13 Oct 2006 07:49:37 GMT
[drlvm][unit] WeakReference has not been  garbage collected using JET
---------------------------------------------------------------------

                 Key: HARMONY-1854
                 URL: http://issues.apache.org/jira/browse/HARMONY-1854
             Project: Harmony
          Issue Type: Bug
          Components: DRLVM
            Reporter: Maxim Makarov


Problem details:

    WeakReference has not been garbage collected using JET
  
Code for reproducing:

import java.lang.ref.WeakReference;

public class Test extends junit.framework.TestCase {

    public  void testTest() {

    try {
        Object pos = new Object();
        WeakReference  wr = new WeakReference(pos);

       for (int i = 0; i < 5; i++) {
                System.gc();
       }
       System.out.println(wr.get());
       assertNull("Position object hasn't been garbage collected", wr.get());

     }catch(Exception e){ 
     } 
   }
}       


Output on RI:
----------------

Note: Test.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
On RI

.null

Time: 0.203

OK (1 test)

On Harmony:
---------------
Apache Harmony Launcher : (c) Copyright 1991, 2006 The Apache Software Foundation or its licensors,
as applicable.
java version "1.5.0"
pre-alpha : not complete or compatible
svn = r454528, (Oct 12 2006), Windows/ia32/msvc 1310, release build
http://incubator.apache.org/harmony

.java.lang.Object@2061ca2c
F
Time: 0.031
There was 1 failure:
1) testTest(Test)junit.framework.AssertionFailedError: Position object hasn't
been garbage collected
        at Test.testTest(Test.java:36)
        at java.lang.reflect.VMReflection.invokeMethod(Native Method)

FAILURES!!!
Tests run: 1,  Failures: 1,  Errors: 0

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