public void testEmpty() {
final RevFlagSet set = new RevFlagSet();
assertEquals(0, set.mask);
assertEquals(0, set.size());
assertNotNull(set.iterator());
assertFalse(set.iterator().hasNext());
}
public void testAddOne() {
final String flagName = "flag";
final RevFlag flag = rw.newFlag(flagName);
assertTrue(0 != flag.mask);
assertSame(flagName, flag.name);
final RevFlagSet set = new RevFlagSet();
assertTrue(set.add(flag));
assertFalse(set.add(flag));
assertEquals(flag.mask, set.mask);
assertEquals(1, set.size());
final Iterator<RevFlag> i = set.iterator();
assertTrue(i.hasNext());
assertSame(flag, i.next());
assertFalse(i.hasNext());
}