}

    @Test
    @DisplayName("Should create correct response")
    void testCreateResponse() {
        // When
        Smb2ChangeNotifyResponse response = request.createResponse(mockContext, request);

        // Then
        assertNotNull(response);
        assertTrue(response instanceof Smb2ChangeNotifyResponse);
    }

    @Test
    @DisplayName("Should calculate correct size")
    void testSize() {

    void testHasNextAlwaysReturnsFalse() {
        // When & Then
        assertFalse(emptyIterator.hasNext(), "hasNext should return false");
        assertFalse(emptyIterator.hasNext(), "hasNext should consistently return false");
        assertFalse(emptyIterator.hasNext(), "hasNext should always return false on repeated calls");
    }

    @Test
    @DisplayName("next should return null")

        assertEquals("testdomain", config.getDefaultDomain());
    }

    @Test
    @DisplayName("Should handle null properties gracefully")
    void testNullProperties() throws CIFSException {
        // PropertyConfiguration doesn't handle null properties
        // It should throw NullPointerException
        assertThrows(NullPointerException.class, () -> {
            new PropertyConfiguration(null);
        });

        iterator.close();
        iterator.close(); // Second close should be safe

        // Then: Tree handle should be released only once
        verify(treeHandle, times(1)).release();
    }

    @Test
    @DisplayName("Iterator should handle filter that rejects all entries")
    void testIterator_FilterRejectsAll() throws Exception {

    class ConstructorTests {

        @Test
        @DisplayName("Should create handler with null context")
        void testConstructorWithNullContext() {
            // When
            Handler testHandler = new Handler(null);

            // Then
            assertNotNull(testHandler);
        }

        @Test
        @DisplayName("Should extend jcifs.http.Handler")
        void testInheritance() {
            // Then

    class WireFormatTests {

        @Test
        @DisplayName("Should read parameters wire format")
        void testReadParametersWireFormat() {
            byte[] buffer = new byte[10];
            int result = response.readParametersWireFormat(buffer, 0, 2);
            assertEquals(2, result);
        }

        @Test
        @DisplayName("Should write setup wire format")
        void testWriteSetupWireFormat() {

        assertTrue(response.isValidTid());
    }

    @Test
    @DisplayName("Should return null for getService")
    void testGetService() {
        // When
        String service = response.getService();

        // Then
        assertNull(service);
    }

    @Test
    @DisplayName("Should prepare next request correctly when received")
    void testPrepareWhenReceived() throws Exception {

    @Nested
    @DisplayName("Edge cases and special scenarios")
    class EdgeCases {

        @Test
        @DisplayName("Should handle multiple extensions for same mime type")
        void testMultipleExtensionsForSameMimeType() throws IOException {
            // Both jpg and jpeg should map to image/jpeg
            String jpgMime = mimeMap.getMimeType("jpg");
            String jpegMime = mimeMap.getMimeType("jpeg");

    @Test
    @DisplayName("Should create SpnegoException with default constructor")
    void testDefaultConstructor() {
        // When
        SpnegoException ex = new SpnegoException();

        // Then
        assertNotNull(ex, "Exception should be created");
        assertNull(ex.getMessage(), "Default message should be null");
        assertNull(ex.getCause(), "Default cause should be null");

            // Then
            assertNotNull(uniBytes, "UNI bytes should not be null");
            assertNotNull(asciiBytes, "ASCII bytes should not be null");
            assertNotNull(oemBytes, "OEM bytes should not be null");
            assertEquals(0, uniBytes.length, "UNI bytes should be empty");
            assertEquals(0, asciiBytes.length, "ASCII bytes should be empty");