MaxGekk commented on a change in pull request #23856: [SPARK-26953][CORE][TEST]
Test TimSort for ArrayIndexOutOfBoundsException
URL: https://github.com/apache/spark/pull/23856#discussion_r274183317
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File path:
core/src/test/scala/org/apache/spark/util/collection/SorterSuite.scala
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@@ -74,6 +74,103 @@ class SorterSuite extends SparkFunSuite with Logging {
(0 to data.length - 2).foreach(i => assert(data(i) <= data(i + 1)))
}
+ test("java.lang.ArrayIndexOutOfBoundsException in TimSort") {
Review comment:
The time can be improved if we remove result checking. Actually the test
checks that TimSort does not fail with the exception
`ArrayIndexOutOfBoundsException`
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