Subject: Re: Bug in ListIterator.add() method 2007-10-26 - By Jason Hunter
Back
Yes, I'm definitely going to patch it. It's not a trivial patch so I
want to make sure to review it carefully, and right now I'm coding
non-stop on another thing that's launching next week. I appreciate you
working up the patch and sticking with me here.
-jh-
rolf.lear@(protected) wrote:
> Hi Jason.
>
> Is there any feedback on this? I don't like pestering you but it would
> be very useful to have some idea of whether JDom is going to be patched
> in some way to fix the bug (it is at least 2 years old now).
>
> Thanks
>
> Rolf
>
> -- --Original Message-- --
> From: Rolf Lear
> Sent: Wednesday, October 17, 2007 1:08 PM
> To: Rolf Lear; 'Bradley S. Huffman'; 'jhunter@(protected)'
> Cc: 'jdom-interest@(protected)'
> Subject: RE: [jdom-interest] Bug in ListIterator.add() method
>
> Hi All.
>
> I have run in to this bug (again), and notice that the fix for this bug
> is not yet committed to CVS.
>
> The logic in the existing ContentList.ListIterator class is pretty
> complex (and broken), and it can be substantially simplified while at
> the same time fixing the problems.
>
> I submitted the patch to do this a number of times .... but the CVS repo
> has moved on again, so, I have manually applied the patch to the latest
> CVS, and here submit the full ContentList.java source. The only changes
> are in the ListIterator subclass, which has been entirely rewritten.
>
> In addition, I have run the tests that Christian Gruber proposed on 22
> April 2005 by compiling JDom with java 1.3.1_20, and using his test
> code.
>
> Finally, I have run the test suite over the 1.3.1_20 jar with the fix,
> and it has passed 177 of 177 tests. I added an additional test that
> illustrates the fixed bugs, making 178 tests. These tests all pass.
>
> Here is the additional test I incorporated in
> org.jdom.test.cases.TestFilterList
> public void test_TCM__ListIterator_listIterator_int3() {
> try {
> Element r = new Element("root");
> Document d = new Document().setRootElement(r);
> r.addContent(new Element("element").setText("1"));
> r.addContent(new Element("element").setText("2"));
> r.addContent(new Element("element").setText("3"));
>
> Element xxx = new Element("element").setText("xxx");
> Element yyy = new Element("element").setText("yyy");
>
> ListIterator i = r.getChildren("element").listIterator();
> while (i.hasNext()) {
> Element e = (Element) i.next();
> i.add(new Element("element").setText(e.getText() +
> "_x"));
> i.add(new Element("element").setText(e.getText() +
> "_y")); // bug1 - double add should work
> }
> i.add(xxx); // bug2 - add at end of list....
> assertEquals("previous() is not recent add()", xxx,
> i.previous());
> i.set(yyy);
> assertEquals("yyy not attached", r, yyy.getParent());
> assertFalse("xxx is still attached", xxx.isAncestor(r));
>
> i.remove();
>
> } catch (OutOfMemoryError oom) {
> System.gc();
> oom.printStackTrace();
> fail("ListIterator.add() caused OutOfMemory!");
> } catch (Exception e) {
> e.printStackTrace();
> fail("Unable to complete ListIterator tests");
> }
> }
>
>
> Finally, the ContentList source is attached.
>
> Rolf
>
>
>
>
> -- --Original Message-- --
> From: Rolf Lear
> Sent: Tuesday, October 11, 2005 5:41 PM
> To: 'Bradley S. Huffman'; Rolf Lear
> Cc: jdom-interest@(protected)
> Subject: RE: [jdom-interest] Bug in ListIterator.add() method
>
>
> Just to bump this to the top of the list again.... is this code being
> used by anyone ... it is not in CVS.
>
> Rolf
>
> -- --Original Message-- --
> From: Bradley S. Huffman [mailto:hip@(protected)]
> Sent: Tuesday, May 17, 2005 10:17 AM
> To: Rolf Lear
> Cc: jdom-interest@(protected)
> Subject: Re: [jdom-interest] Bug in ListIterator.add() method
>
>
> Rolf Lear writes:
>
>> Just to confirm the status of this patch .... and rejuvenate some
> interest
>> in it.
>>
>> Has it been rejected?
>
> No, it just seems everyone has been very, very busy. I know I have for
> the last
> year.
>
> Brad
>
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