Github user raghavgautam commented on a diff in the pull request: https://github.com/apache/spark/pull/22414#discussion_r217793251 --- Diff: sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/TimeWindowSuite.scala --- @@ -122,11 +122,57 @@ class TimeWindowSuite extends SparkFunSuite with ExpressionEvalHelper with Priva } } + test("windowDuration and slideDuration should be positive.") { + import org.scalatest.prop.TableDrivenPropertyChecks.{Table, forAll => forAllRows} --- End diff -- Done.
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