* Verify that when no value can be retrieved from the repository and the
* default value is invalid, the function evaluates to FALSE.
*/
public void testExecuteWithInvalidDefaultValue() {
DIGridFunction function = new DIGridFunction();
Value result = function.execute(exprContext, accessorMock, INVALID_DEFAULT);
// expect the result to be false because default value was wrong type
assertEquals(BooleanValue.FALSE, result);
}