Ignacio Vera created LUCENE-9290:
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             Summary: TestXYPoint#testEqualsAndHashCode test failure
                 Key: LUCENE-9290
                 URL: https://issues.apache.org/jira/browse/LUCENE-9290
             Project: Lucene - Core
          Issue Type: Test
            Reporter: Ignacio Vera


Test assumes that if two objects are different, then the has code must be 
different which is a wrong assumption. 

 

Reproduce with:
{code:java}
ant test  -Dtestcase=TestXYPoint -Dtests.method=testEqualsAndHashCode 
-Dtests.seed=733FAE735389BD86 -Dtests.slow=true -Dtests.badapples=true 
-Dtests.locale=en-PW -Dtests.timezone=Africa/Gaborone -Dtests.asserts=true 
-Dtests.file.encoding=UTF8{code}
 

Error:
{code:java}
5:39:56    [junit4]    > Throwable #1: java.lang.AssertionError: Values should 
be different. Actual: -268435620
05:39:56    [junit4]    >       at 
__randomizedtesting.SeedInfo.seed([733FAE735389BD86:F156BE502CC2B7]:0)
05:39:56    [junit4]    >       at 
org.apache.lucene.geo.TestXYPoint.testEqualsAndHashCode(TestXYPoint.java:71)
05:39:56    [junit4]    >       at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
{code}
 



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