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https://issues.apache.org/jira/browse/LUCENE-5272?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shai Erera updated LUCENE-5272:
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Attachment: LUCENE-5272.patch
Progress thus far: fixes ensureCapacity(Words) to set numBits correctly and
adds a testcase. If we choose to get rid of numBits entirely, then it can be
even more simplified.
> OpenBitSet.ensureCapacity does not modify numBits
> -------------------------------------------------
>
> Key: LUCENE-5272
> URL: https://issues.apache.org/jira/browse/LUCENE-5272
> Project: Lucene - Core
> Issue Type: Bug
> Components: core/index
> Reporter: Shai Erera
> Attachments: LUCENE-5272.patch
>
>
> It's a simple bug, reproduced by this simple test:
> {code}
> public void testEnsureCapacity() {
> OpenBitSet bits = new OpenBitSet(1);
> bits.fastSet(0);
> bits.ensureCapacity(5); // make room for more bits
> bits.fastSet(2);
> }
> {code}
> The problem is that {{numBits}} which is used only for assrets isn't modified
> by ensureCapacity and so the next fastSet trips the assert. I guess we should
> also fix ensureCapacityWords and test it too.
> I may not be able to fix this until Sunday though, so if anyone wants to fix
> it before (maybe it can make it into 4.5.1), feel free.
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