@SuppressWarnings("unchecked")
public void testPop() {
String expected[] = new String[11];
DefaultRandomGenerator rng = new DefaultRandomGenerator();
for (int i = 0; i < expected.length; i++) {
expected[i] = rng.astring(1, 32);
} // FOR
Collection<String> collections[] = new Collection[] {
CollectionUtil.addAll(new ListOrderedSet<String>(), expected),
CollectionUtil.addAll(new HashSet<String>(), expected),