private static boolean asExpected(boolean isInsert, int ret, int expected, boolean isDrop) {
//		System.out.println(String.format("%s %d %d %s", isInsert, ret, expected, isDrop));
		if (isDrop) {
			return true;
		}
		return isInsert ? (asExpectedWhenInsert(ret, expected)) : expected == ret;
	}