@Test
  public void testEvaluateToUnixTimeStamp() throws HiveException, InterruptedException {
    testEvaluateWithUDF(udf);
  }
Tests for {@link GenericUDFToUnixTimeStamp#evaluate(DeferredObject[])} with string value and pattern inputs.
ql/src/test/org/apache/hadoop/hive/ql/udf/generic/TestGenericUDFToUnixTimestampEvaluateStringString.java