Shai Erera created LUCENE-5272:
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Summary: 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
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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