Yin Huai created SPARK-17266:
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Summary: PrefixComparatorsSuite's "String prefix comparator"
failed when both input strings are empty strings
Key: SPARK-17266
URL: https://issues.apache.org/jira/browse/SPARK-17266
Project: Spark
Issue Type: Bug
Components: SQL, Tests
Reporter: Yin Huai
https://amplab.cs.berkeley.edu/jenkins/job/spark-master-test-sbt-hadoop-2.4/1620/testReport/junit/org.apache.spark.util.collection.unsafe.sort/PrefixComparatorsSuite/String_prefix_comparator/
{code}
org.scalatest.exceptions.GeneratorDrivenPropertyCheckFailedException:
TestFailedException was thrown during property evaluation. Message: 0 equaled
0, but 1 did not equal 0, and 0 was not less than 0, and 0 was not greater than
0 Location: (PrefixComparatorsSuite.scala:42) Occurred when passed
generated values ( arg0 = "", arg1 = "" )
{code}
I could not reproduce it locally. But, let me add this case in the
regressionTests to explicitly test it.
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