@Test
    @DisplayName("Test readDataWireFormat with error code returns 4")
    void testReadDataWireFormatWithErrorCode() throws Exception {
        byte[] buffer = new byte[100];

        // Set error code to non-zero
        setErrorCode(response, 1);

        int result = response.readDataWireFormat(buffer, 0, buffer.length);

        assertEquals(4, result);
        assertNull(response.getSecurityDescriptor());
    }

            buf.writeOctetArray(contextHandle, 0, Math.min(contextHandle.length, 20));
            // Pad with zeros if context handle is shorter than 20 bytes
            for (int i = contextHandle.length; i < 20; i++) {
                buf.enc_ndr_small(0);
            }
        } else {
            // Write 20 zero bytes for null context handle
            for (int i = 0; i < 20; i++) {
                buf.enc_ndr_small(0);

        cfgMock = mock(Configuration.class);
        resp = new SmbComWriteResponse(cfgMock);
    }

    @Test
    public void testInitialCountIsZero() {
        assertEquals(0, resp.getCount(), "Initial count should be zero");
    }

    @Test
    public void testReadParameterWordsUpdatesCount() {
        // create a buffer with count = 0x1234 (4660 decimal)
        // Using little-endian byte order as per SMBUtil.readInt2

    }

    @Test
    @DisplayName("run method handles zero iterations")
    void testRunWithZeroIterations() {
        TestLocking t = new TestLocking();
        t.url = "smb://test/file.txt";
        t.numIter = 0; // Zero iterations

        // Should complete immediately
        t.run();

        trans2SetFileInfo = new Trans2SetFileInformation(config, TEST_FID, mockFileInfo);

        byte[] buffer = new byte[512];
        // Fill buffer with non-zero values to ensure padding writes zeros
        for (int i = 0; i < buffer.length; i++) {
            buffer[i] = (byte) 0xFF;
        }

        int written = trans2SetFileInfo.writeDataWireFormat(buffer, 0);

        verify(mockAllocInfo, times(1)).getCapacity();
        verify(mockAllocInfo, times(1)).getFree();
    }

    /**
     * Parameterised test of capacity values, including edge cases such as
     * zero and negative capacities.
     */
    @ParameterizedTest
    @ValueSource(longs = { 0L, -1L, Long.MAX_VALUE })
    @DisplayName("capacity may be any long value")
    void testCapacityEdgeValues(long capacity) {

            out.close();
        }

        // Set maxSize smaller than file size (should throw exception)
        FileUtil.readBytes(file, 512);
    }

    /**
     * Test readBytes with custom maxSize of zero
     *
     * @throws Exception
     */
    @Test(expected = IORuntimeException.class)
    public void testReadBytes_CustomMaxSize_Zero() throws Exception {
        final File file = tempFolder.newFile("any.txt");

    }

    @Test
    @DisplayName("Test decode with zero values")
    void testDecodeWithZeroValues() throws SMBProtocolDecodingException {
        // Prepare test data with zero values
        byte[] buffer = createValidBuffer("zerofile.txt", "ZEROFI~1.TXT", true);

        // Set zero values - for SMB times, 0 in wire format represents 0 in Java time

		return
	}
}

// Parses x-amz-copy-source-range for CopyObjectPart API. Its behavior
// is different from regular HTTP range header. It only supports the
// form `bytes=first-last` where first and last are zero-based byte
// offsets. See
// http://docs.aws.amazon.com/AmazonS3/latest/API/mpUploadUploadPartCopy.html
// for full details. This function treats an empty rangeString as
// referring to the whole resource.

        void testGetResultSuccess() {
            message.result = 0;
            assertNull(message.getResult());
        }

        @Test
        @DisplayName("getResult should return DcerpcException for non-zero result")
        void testGetResultError() {
            message.result = 123; // Example error code
            DcerpcException exception = message.getResult();
            assertNotNull(exception);