Arrays.fill(passwordArray, 'X');
        assertEquals(testPassword, auth.getPassword());
    }

    /**
     * Test secure password wiping
     */
    @Test
    public void testSecureWipePassword() {
        String testPassword = "SecurePassword456!";
        NtlmPasswordAuthenticator auth = new NtlmPasswordAuthenticator("testuser", testPassword);

        // Verify password is set