public class ListTest {
@Test
public void testListOfSymbolsClone() {
ArrayList<Symbol> l = new ArrayList<Symbol>();
l.add(new Symbol("A"));
l.add(new Symbol("B"));
l.add(new Symbol("C"));
List<Symbol> l2 = new ArrayList<Symbol>(l);
l2.remove(new Symbol("B"));
Assert.assertEquals(3, l.size());
Assert.assertEquals(2, l2.size());
}