Github user ueshin commented on a diff in the pull request: https://github.com/apache/spark/pull/18444#discussion_r124464895 --- Diff: python/pyspark/sql/tests.py --- @@ -2259,6 +2261,60 @@ def test_BinaryType_serialization(self): df = self.spark.createDataFrame(data, schema=schema) df.collect() + # test for SPARK-16542 + def test_array_types(self): + int_types = set(['b', 'h', 'i', 'l']) + float_types = set(['f', 'd']) + unsupported_types = set(array.typecodes) - int_types - float_types + + def collected(a): + row = Row(myarray=a) + rdd = self.sc.parallelize([row]) + df = self.spark.createDataFrame(rdd) + return df.collect()[0]["myarray"][0] + # test whether pyspark can correctly handle int types + for t in int_types: + # test positive numbers + a = array.array(t, [1]) + while True: --- End diff -- What is this loop for?
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