public void testContainsAll() {
final RevFlag flag1 = rw.newFlag("flag_1");
final RevFlag flag2 = rw.newFlag("flag_2");
final RevFlagSet set1 = new RevFlagSet();
assertTrue(set1.add(flag1));
assertTrue(set1.add(flag2));
assertTrue(set1.containsAll(set1));
assertTrue(set1.containsAll(Arrays
.asList(new RevFlag[] { flag1, flag2 })));
final RevFlagSet set2 = new RevFlagSet();
set2.add(rw.newFlag("flag_3"));
assertFalse(set1.containsAll(set2));
}