* @return A LinkedHashSet that cannot be used but requires computation of an
* exponential number of hash codes.
*/
@SuppressWarnings({"rawtypes", "unchecked"})
public static TestHashSet generateTestLinkedHashSet() {
TestHashSet result = new TestHashSet();
HashSet entry1 = new HashSet();
HashSet entry2 = new HashSet();
entry1.add(12345);
entry2.add(67890);
result.add(entry1);
result.add(entry2);
return result;
}