public void testComparator() {
resetEmpty();
SortedBidiMap bidi = (SortedBidiMap) map;
assertNotNull(bidi.comparator());
assertTrue(bidi.comparator() instanceof ReverseComparator);
}
public void testSerializeDeserializeCheckComparator() throws Exception {
SortedBidiMap obj = (SortedBidiMap) makeObject();
if (obj instanceof Serializable && isTestSerialization()) {