/** Test a null formula */
@Test
public void testNullFormula() {
logger.info("Test null Formula");
String formula = null;
Object resObject = Formula.evalFormula(formula);
Assert.assertNull(resObject);
}
/** Test an invalid formula; should return null value */
public void testInvalidFormula() {
logger.info("Test invalid Formula");
String formula = "ax";
Object resObject = Formula.evalFormula(formula);
Assert.assertNull(resObject);
}