String result = testBlock.readString(buffer, 0);

            assertEquals("Test", result);
        }

        @Test
        @DisplayName("Test string wire length calculation")
        void testStringWireLength() {
            testBlock.setUseUnicode(false);
            assertEquals(5, testBlock.stringWireLength("Test", 0));

            testBlock.setUseUnicode(true);

    void testInitialDataRemaining() {
        // Then
        assertEquals(0, response.getDataRemaining());
    }

    @Test
    @DisplayName("Should write empty bytes to wire format")
    void testWriteBytesWireFormat() {
        // Given
        byte[] buffer = new byte[256];
        int offset = 10;

        // When
        int bytesWritten = response.writeBytesWireFormat(buffer, offset);

            // Verify total bytes written
            assertEquals(48 + data.length, bytesWritten);
        }

        @Test
        @DisplayName("Should handle empty data in wire format")
        void testWriteBytesWireFormatEmptyData() {
            request.setData(new byte[0], 0, 0);

            byte[] buffer = new byte[256];

        assertEquals(0, trans2QueryFSInfo.readParametersWireFormat(null, 0, 0));
        assertEquals(0, trans2QueryFSInfo.readDataWireFormat(null, 0, 0));
    }

    @Test
    @DisplayName("Test complete wire format writing")
    void testCompleteWireFormatWriting() {
        trans2QueryFSInfo = new Trans2QueryFSInformation(config, FileSystemInformation.FS_SIZE_INFO);

        byte[] setupBuffer = new byte[256];

        int actualInfoLevel = SMBUtil.readInt2(buffer, 2);
        assertEquals(0x0101, actualInfoLevel); // FILE_BASIC_INFO maps to 0x0101
    }

    @Test
    @DisplayName("Test complete wire format writing")
    void testCompleteWireFormatWriting() {
        when(mockFileInfo.getFileInformationLevel()).thenReturn((byte) FileInformation.FILE_BASIC_INFO);

            /* This is almost exactly like InetAddress.java. See the
             * comments there for a description of how the LOOKUP_TABLE prevents
             * redundant queries from going out on the wire.
             */
            if (addr == null) {
                try {
                    addr = CLIENT.getByName(name, svr);
                } catch (final UnknownHostException uhe) {

        /*
         * This is almost exactly like InetAddress.java. See the
         * comments there for a description of how the LOOKUP_TABLE prevents
         * redundant queries from going out on the wire.
         */
        if ((addr == null) && ((addr = (NbtAddress) checkLookupTable(name)) == null)) {
            try {
                addr = getByName(name, svr);
            } catch (final UnknownHostException uhe) {

        int size = request.size();
        int expectedRawSize = Smb2Constants.SMB2_HEADER_LENGTH + 40 + 64;
        int expectedSize = (expectedRawSize + 7) & ~7;
        assertEquals(expectedSize, size);

        // Test wire format writing
        byte[] buffer = new byte[512];
        int bytesWritten = request.writeBytesWireFormat(buffer, 64);

        // Verify all fields in the buffer

 * were never supposed to be seen on the wire. That assumption was dropped, some say mistakenly, in
 * later RFCs with the apparent aim of making IPv4-to-IPv6 transition simpler.
 *
 * <p>Technically one <i>can</i> create a 128bit IPv6 address with the wire format of a "mapped"
 * address, as shown above, and transmit it in an IPv6 packet header. However, Java's InetAddress

              stream = stream,
            ).buffer()
        responseBodySink.use {
          body.writeTo(it)

          // Delay trailers by sleeping before we close the stream. It's the same on the wire.
          if (response.trailersDelayNanos != 0L) {
            it.flush()
            socket.sleepWhileOpen(response.trailersDelayNanos)
          }
        }
      } else if (socketHandler != null) {