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https://issues.apache.org/jira/browse/LUCENE-7514?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15989906#comment-15989906
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Dawid Weiss commented on LUCENE-7514:
-------------------------------------
Didn't look, but I once replaced float generation with "biased" floats and it
was relatively easy to break other geo tests too.
> TestLatLonPointQueries fails with biased (evil) numbers
> -------------------------------------------------------
>
> Key: LUCENE-7514
> URL: https://issues.apache.org/jira/browse/LUCENE-7514
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Dawid Weiss
> Priority: Minor
> Attachments: LUCENE-7514.patch
>
>
> After I commit LUCENE-7513 and switch to evil numbers, some tests fail in
> TestLatLonPointQueries. Could be I made a mistake somewhere in BiasedNumbers,
> but a verification would be nice.
> Example failing seed:
> -Dtests.seed=B6740F75309ABA5D
> but it fails with multiple seeds, actually. The output for the seed above:
> {code}
> [junit4] 2> NOTE: reproduce with: ant test
> -Dtestcase=TestLatLonPointQueries -Dtests.method=testAllLatEqual
> -Dtests.seed=B6740F75309ABA5D -Dtests.slow=true -Dtests.locale=lv-LV
> -Dtests.timezone=Antarctica/McMurdo -Dtests.asserts=true
> -Dtests.file.encoding=UTF-8
> [junit4] FAILURE 1.42s | TestLatLonPointQueries.testAllLatEqual <<<
> [junit4] > Throwable #1: java.lang.AssertionError: wrong hit (first of
> possibly more):
> [junit4] > FAIL: id=6 should not match but did
> [junit4] > box=Rectangle(lat=0.0 TO 1.401298464324817E-45
> lon=179.99999999999997 TO 180.0)
> [junit4] > query=point:[0.0 TO 0.0],[179.99999991618097 TO
> 179.99999991618097] docID=6
> [junit4] > lat=0.0 lon=179.99999991618097
> [junit4] > deleted?=false
> [junit4] > at
> __randomizedtesting.SeedInfo.seed([B6740F75309ABA5D:BE159FB39579850]:0)
> [junit4] > at
> org.apache.lucene.geo.BaseGeoPointTestCase.verifyRandomRectangles(BaseGeoPointTestCase.java:858)
> [junit4] > at
> org.apache.lucene.geo.BaseGeoPointTestCase.verify(BaseGeoPointTestCase.java:740)
> [junit4] > at
> org.apache.lucene.geo.BaseGeoPointTestCase.testAllLatEqual(BaseGeoPointTestCase.java:449)
> [junit4] > at java.lang.Thread.run(Thread.java:745)
> [junit4] 2> NOTE: test params are: codec=Asserting(Lucene70):
> {id=FST50}, docValues:{id=DocValuesFormat(name=Asserting),
> point=DocValuesFormat(name=Direct)}, maxPointsInLeafNode=1823,
> maxMBSortInHeap=7.309388819818781, sim=RandomSimilarity(queryNorm=false): {},
> locale=lv-LV, timezone=Antarctica/McMurdo
> [junit4] 2> NOTE: Windows 10 10.0 amd64/Oracle Corporation 1.8.0_102
> (64-bit)/cpus=8,threads=1,free=182766440,total=257425408
> [junit4] 2> NOTE: All tests run in this JVM: [TestLatLonPointQueries]
> [junit4] Completed [1/1 (1!)] in 1.98s, 1 test, 1 failure <<< FAILURES!
> {code}
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