passwordField.setAccessible(true);

        // Verify password exists before wipe
        char[] passwordBefore = (char[]) passwordField.get(authenticator);
        assertNotNull(passwordBefore, "Password should exist before wipe");
        assertArrayEquals(testPassword.toCharArray(), passwordBefore, "Password should match before wipe");

        // Wipe the password
        authenticator.secureWipePassword();

    @Mock
    Configuration mockCfg;

    // Provides a fresh handler instance for tests
    private Handler newHandler() {
        return new Handler();
    }

    // Provides a handler wired with a mocked CIFSContext
    private Handler newHandlerWith(CIFSContext ctx) {
        return new Handler(ctx);
    }

    @Test
    @DisplayName("getDefaultPort returns SMB default port")