@Test
public void testNumLinkedListLookup() {
NumLinkedList list = new NumLinkedList();
list.add(7.0);
try {
assertNotNull(
"Method LOOKUP return the i-th element of the sequence"
+ " (raise an exception if the sequence has fewer than i elements).",
list.lookup(0));
} catch (Exception e) {
System.out.println(e.getMessage());
}
}
