@Test
public void testGetStringValue() throws Exception {

    fieldBoolean.set(dcv,
                     true);
    fieldDate.set(dcv,
                  now);
    fieldNumeric.set(dcv,
                     1L);
    dcv.setStringValue("woot");
    assertEquals(DataType.DataTypes.STRING,
                 dcv.getDataType());
    assertNull(dcv.getBooleanValue());
    assertNull(dcv.getDateValue());
    assertNull(dcv.getNumericValue());
    assertEquals("woot",
                 dcv.getStringValue());
}