add assert to sorts catch broken comparators in tests
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Key: LUCENE-3054
URL: https://issues.apache.org/jira/browse/LUCENE-3054
Project: Lucene - Java
Issue Type: Task
Reporter: Robert Muir
Attachments: LUCENE-3054.patch
Looking at Otis's sort problem on the mailing list, he said:
{noformat}
* looked for other places where this call is made - found it in
MultiPhraseQuery$MultiPhraseWeight and changed that call from
ArrayUtil.quickSort to ArrayUtil.mergeSort
* now we no longer see SorterTemplate.quickSort in deep recursion when we do a
thread dump
{noformat}
I thought this was interesting because PostingsAndFreq's comparator
looks like it needs a tiebreaker.
I think in our sorts we should add some asserts to try to catch some of these
broken comparators.
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