assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

    @Test
    public void test_instanceOf() {
        // Test inheritance hierarchy
        UnsupportedSearchException exception = new UnsupportedSearchException("test");

        assertTrue(exception instanceof UnsupportedSearchException);

        assertNotNull(exception);
        assertNull(exception.getMessage());
        assertNull(exception.getCause());
    }

    @Test
    public void test_instanceOf() {
        // Test that exception is instance of RuntimeException
        DictionaryExpiredException exception = new DictionaryExpiredException();
        assertTrue(exception instanceof RuntimeException);

/**
 * Integration tests for SmbFile using a real SMB server via Testcontainers.
 * These tests validate actual SMB protocol operations against dperson/samba:latest.
 */
@Testcontainers
@TestInstance(TestInstance.Lifecycle.PER_CLASS)
@TestMethodOrder(MethodOrderer.MethodName.class)
class SmbFileIntegrationTest {

    private static final Logger log = LoggerFactory.getLogger(SmbFileIntegrationTest.class);