assertNotNull(region, "Send region should not be null");
        assertTrue(region.getSize() >= 1024, "Region should be at least requested size");
        assertTrue(region.hasAccess(RdmaAccess.LOCAL_READ), "Should have local read access");
        assertTrue(region.hasAccess(RdmaAccess.REMOTE_READ), "Should have remote read access");

        // Verify provider was called

        assertEquals(0, exception.getErrorCode(), "Error code should be 0 for message and cause constructor.");
        assertEquals(message, exception.getMessage(), "Message should match the input.");
        assertEquals(cause, exception.getCause(), "Cause should match the input.");
        assertEquals(cause, exception.getRootCause(), "getRootCause() should return the same cause as getCause().");
    }

    /**

        assertNotNull(pacString, "The PacUnicodeString object should not be null.");

        // Verify that the getters return the correct values
        assertEquals(length, pacString.getLength(), "The length should match the value provided in the constructor.");
        assertEquals(maxLength, pacString.getMaxLength(), "The maxLength should match the value provided in the constructor.");

        assertTrue(config.isUseMultiChannel(), "Multi-channel should be enabled by default");
        assertEquals(4, config.getMaxChannels(), "Default max channels should be 4");
        assertEquals(1, config.getChannelBindingPolicy(), "Default binding policy should be preferred");
        assertEquals("adaptive", config.getLoadBalancingStrategy(), "Default strategy should be adaptive");

        // Then
        assertNotNull(signingKey, "Signing key should not be null");
        assertEquals(16, signingKey.length, "Signing key should be 16 bytes");
        assertFalse(Arrays.equals(sessionKey, signingKey), "Signing key should be different from session key");
    }

    @Test
    @DisplayName("Should derive signing key for SMB 3.1.1 dialect")
    void testDeriveSigningKey_SMB311() {
        // Given

        } catch (Exception e) {
            fail("Should not throw exception in test setup");
        }

        // Execute and verify
        try {
            processor.process(responseData);
            fail("Should throw ChildUrlsException");
        } catch (ChildUrlsException e) {
            Set<RequestData> childUrls = e.getChildUrlList();
            // Set should handle duplicates

    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

        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 {

    }

    @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() {