private static ExprNodeGenericFuncDesc eq(List<ExprNodeDesc> children) {
    return new ExprNodeGenericFuncDesc(children.get(0).getTypeInfo(), new GenericUDFOPEqual(), children);
  }
Test Class for Kafka Trimmer Class.
kafka-handler/src/test/org/apache/hadoop/hive/kafka/KafkaScanTrimmerTest.java