### Question:
SimpleNumber implements Rollup { @Override public RollupType getRollupType() { return RollupType.NOT_A_ROLLUP; } SimpleNumber(Object value); @Override Boolean hasData(); Number getValue(); Type getDataType(); String toString(); @Override RollupType getRollupType(); @Override int hashCode(); @Override boolean equals(Object obj);  }### Answer:
@Test public void rollupTypeIsNotTypical() { SimpleNumber sn = new SimpleNumber(123.45d); assertEquals(RollupType.NOT_A_ROLLUP, sn.getRollupType()); }