// ---------------------------------------------------------------
// Overriden methods
// ---------------------------------------------------------------
public String benchmarkContainsExisting(DataSet dataSet) {
IntCollection c = create(dataSet.get(0));
int[] l = dataSet.get(0);
startTimer();
for (int i = 0; i < SMALL_SIZE; i++)
c.contains(l[i % l.length]);
stopTimer();
return SMALL_SIZE + " successful calls to contains() with " + c.size() + " elements";
}