private String udfDisplayWithInputs() {
    return udf.getDisplayString(new String[] { Long.toString(value), pattern }) + " sessionZone=" + zone + ", formatter="
        + formatter;
  }
Tests for {@link GenericUDFFromUnixTime#evaluate(DeferredObject[])} with long value pattern inputs.
ql/src/test/org/apache/hadoop/hive/ql/udf/generic/TestGenericUDFFromUnixTimeEvaluate.java