public void testPasswordArrayIndependence() {
        char[] originalPassword = "IndependentPass123!".toCharArray();
        char[] passwordCopy = Arrays.copyOf(originalPassword, originalPassword.length);

        NtlmPasswordAuthenticator auth = new NtlmPasswordAuthenticator("user", originalPassword);

        // Modify the original array
        Arrays.fill(originalPassword, 'X');

        // Authenticator's password should be unchanged