long time2 = System.currentTimeMillis() - start2;
    
    assertEquals(files1.length, files2.length);
    assertTrue(time2 < time1 / 2);  // Should be significantly faster
}

@Test
public void testDirectoryChangeNotification() throws Exception {
    CIFSContext context = getTestContext();
    context.getConfig().setProperty("jcifs.smb.client.directoryNotificationsEnabled", "true");