Github user Chand2048 commented on the pull request:
https://github.com/apache/lucenenet/pull/95#issuecomment-73920815
The test I was working on was
Lucene.Next.Index.TestPrefixCodedTerms.TestMergeRandom
I added a huge amount of test code to narrow down the problem and found
that the MergedIterator's use of the PriorityQueue ended up returning terms out
of order. An alternate solution would be to modify the random Unicode string
generator to not include \0 chars. This also fixed it but digging deeper the
default comparison for java is ordinal so this should match a port better.
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