assertTrue(echoResponse.isReceived());
            assertEquals(error, echoResponse.getException());
        }
    }

    // Helper methods to set protected fields via reflection
    private void setStatus(ServerMessageBlock2 smb, int status) throws Exception {
        Field statusField = ServerMessageBlock2.class.getDeclaredField("status");
        statusField.setAccessible(true);

            }

            return calculatedLength;
        }

        private void setLength(int length) {
            try {
                // Use reflection to set the protected length field
                java.lang.reflect.Field lengthField = ServerMessageBlock2.class.getDeclaredField("length");
                lengthField.setAccessible(true);

                // Initialize response chain (also for chained query)
                Smb2CreateResponse cr = create.initResponse(cifsContext);

                // Access chained Smb2QueryDirectoryRequest via reflection
                Smb2QueryDirectoryRequest q = (Smb2QueryDirectoryRequest) getNextOf(create);

                // Provide a query response with two entries

    void testMaxDataCountValues(int maxDataCount) throws Exception {
        netShareEnum = new NetShareEnum(realConfig);

        // Set maxDataCount using reflection
        setFieldValue(netShareEnum, "maxDataCount", maxDataCount);

        byte[] dst = new byte[256];
        int bytesWritten = netShareEnum.writeParametersWireFormat(dst, 0);

        BaseConfiguration testConfig = new BaseConfiguration(false);
        byte[] customMachineId = new byte[32];
        Arrays.fill(customMachineId, (byte) 0xFF);

        // Use reflection to set private field
        java.lang.reflect.Field machineIdField = BaseConfiguration.class.getDeclaredField("machineId");
        machineIdField.setAccessible(true);
        machineIdField.set(testConfig, customMachineId);

     * Test protected constructor with suppression and stack trace control
     */
    public void test_protectedConstructor_withSuppressionAndStackTrace() throws Exception {
        // Access protected constructor via reflection
        Constructor<CrawlerSystemException> constructor =
                CrawlerSystemException.class.getDeclaredConstructor(String.class, boolean.class, boolean.class);
        constructor.setAccessible(true);

    }

    @Test
    @DisplayName("Test size method with input buffer")
    void testSizeWithInputBuffer() {
        request = new Smb2QueryInfoRequest(mockConfig);

        // Set an input buffer using reflection
        Encodable mockInputBuffer = mock(Encodable.class);
        when(mockInputBuffer.size()).thenReturn(100);

        try {

        assertThrows(NullPointerException.class, () -> raf.writeChars(null));
        assertThrows(NullPointerException.class, () -> raf.writeUTF(null));
    }

    // Small reflection helpers to access private fields for interaction verification
    private static Object getField(Object target, String name) {
        try {
            var f = target.getClass().getDeclaredField(name);

    }

    @Test
    @DisplayName("Should return initial credits from getCredit")
    void testGetInitialCredits() throws Exception {
        // Given - set credit using reflection
        Field creditField = ServerMessageBlock2.class.getDeclaredField("credit");
        creditField.setAccessible(true);
        creditField.set(response, 128);

        // When

            SMBUtil.writeInt8(512, buffer, 48);
            SMBUtil.writeInt4(0x01, buffer, 56);

            // When
            response.readBytesWireFormat(buffer, 0);

            // Then - use reflection to verify private fields
            Field closeFlagsField = Smb2CloseResponse.class.getDeclaredField("closeFlags");
            closeFlagsField.setAccessible(true);
            assertEquals(1, closeFlagsField.get(response));