@Test
    public void basic() {
        NumericDataType type = new NumericDataType("foo", 0, FieldValue.class, IntegerFieldValue.getFactory());
        NumericDataType clonedType = type.clone();
        assertEquals(type,clonedType);
        assertNotSame(type, clonedType);
    }
@author <a href="mailto:einarmr@yahoo-inc.com">Einar M R Rosenvinge</a>
@since 5.1.10
document/src/test/java/com/yahoo/document/NumericDataTypeTestCase.java