}

    // Helper methods to write data to byte arrays for testing read methods
    private void writeInt2(int val, byte[] dst, int dstIndex) {
        dst[dstIndex] = (byte) val;
        dst[dstIndex + 1] = (byte) (val >> 8);
    }

    private void writeInt4(int val, byte[] dst, int dstIndex) {
        dst[dstIndex] = (byte) val;
        dst[dstIndex + 1] = (byte) (val >> 8);

     * @param length the number of hex digits to convert
     * @return the integer value of the hex digits
     */
    public static int hex_to_bin(final char[] arr, final int offset, final int length) {
        int value = 0;
        int ai, count;

        count = 0;
        for (ai = offset; ai < arr.length && count < length; ai++) {
            value <<= 4;
            switch (arr[ai]) {

     */
    @Override
    public int size() {
        return size8(Smb2Constants.SMB2_HEADER_LENGTH + 4);
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb2.ServerMessageBlock2#writeBytesWireFormat(byte[], int)
     */
    @Override
    protected int writeBytesWireFormat(final byte[] dst, final int dstIndex) {
        SMBUtil.writeInt2(4, dst, dstIndex);

     */
    public static SmbResourceException fileHandleExhausted(int errorCode) {
        return new SmbResourceException("File handle limit exceeded", errorCode, ResourceType.FILE_HANDLE);
    }

    /**
     * Static factory for connection pool exhaustion
     */
    public static SmbResourceException connectionPoolExhausted(int errorCode, int poolSize) {

    void testReadBytesWireFormatNoop() {
        byte[] buffer = new byte[10];
        int used = cmd.readBytesWireFormat(buffer, 0);
        assertEquals(0, used, "readBytesWireFormat is unimplemented and must return 0");
    }

    private static byte[] subArray(byte[] src, int offset, int length) {
        byte[] dst = new byte[length];
        System.arraycopy(src, offset, dst, 0, length);

    }

    @Test
    void testGetNbtAllByAddress_StringIntString() throws UnknownHostException {
        // Arrange
        String host = "testHost";
        int type = 0x20;
        String scope = "testScope";
        NetbiosAddress[] expectedAddresses = { mock(NetbiosAddress.class) };
        when(nameServiceClient.getNbtAllByAddress(host, type, scope)).thenReturn(expectedAddresses);

    static final int ATTR_COMPRESSED = 0x800;
    static final int ATTR_NORMAL = 0x080;
    static final int ATTR_TEMPORARY = 0x100;

    static final int ATTR_GET_MASK = 0x7FFF; /* orig 0x7fff */
    static final int ATTR_SET_MASK = 0x30A7; /* orig 0x0027 */

    static final int DEFAULT_ATTR_EXPIRATION_PERIOD = 5000;

    static final int HASH_DOT = ".".hashCode();
    static final int HASH_DOT_DOT = "..".hashCode();

        byte[] dst = new byte[100];
        int dstIndex = 0;

        // Mock the superclass method to control its behavior
        doReturn(10).when((NameServicePacket) request).writeQuestionSectionWireFormat(any(byte[].class), anyInt());

        int result = request.writeBodyWireFormat(dst, dstIndex);

        // Verify that writeQuestionSectionWireFormat was called

     */
    public SmbCircuitBreaker(String name, int failureThreshold, int successThreshold, long resetTimeoutMillis, long halfOpenMaxAttempts) {
        this(name, failureThreshold, successThreshold, resetTimeoutMillis, halfOpenMaxAttempts, false, false, 100);
    }

    public SmbCircuitBreaker(String name, int failureThreshold, int successThreshold, long resetTimeoutMillis, long halfOpenMaxAttempts,

     */
    public static String getMessageByCode(final int errcode) {
        String message = errorCodeMessages.get(errcode);
        if (message == null) {
            message = "0x" + Hexdump.toHexString(errcode, 8);
        }
        return message;
    }

    static int getStatusByCode(final int errcode) {
        int statusCode;
        if ((errcode & 0xC0000000) != 0) {