assertFalse(result.isEmpty());
        assertEquals(size * 2, result.length()); // Each byte becomes 2 hex chars
    }

    @Test
    @DisplayName("Should format with specific offset and length")
    void testHexdumpWithOffsetAndLength() {
        // Given
        byte[] data = createTestData(64);
        int offset = 16;
        int length = 32;

        // When

   */
  public static char[] concat(char[]... arrays) {
    long length = 0;
    for (char[] array : arrays) {
      length += array.length;
    }
    char[] result = new char[checkNoOverflow(length)];
    int pos = 0;
    for (char[] array : arrays) {
      System.arraycopy(array, 0, result, pos, array.length);
      pos += array.length;
    }
    return result;
  }

        }
        if (isDirect) {
            out.writeDirect(buf, off, length, 1);
            return;
        }
        out.write(buf, off, length);
    }

    @Override
    protected void doReceiveFragment(final byte[] buf, final boolean isDirect) throws IOException {
        int off, flags, length;

        if (buf.length < max_recv) {
            throw new IllegalArgumentException("buffer too small");
        }

        // Test with buffer and length larger than needed
        byte[] buffer = new byte[100];

        // Fill test pattern
        for (int i = 0; i < buffer.length; i++) {
            buffer[i] = (byte) (i % 256);
        }

        int bytesConsumed = response.decode(buffer, 0, 50);

        assertEquals(28, bytesConsumed, "Should consume exactly 28 bytes regardless of extra length");

            System.arraycopy(remarkBytes, 0, buffer, remarkOffset, remarkBytes.length);
            buffer[remarkOffset + remarkBytes.length] = 0;
            remarkOffset += remarkBytes.length + 1;
        }

        // Read the data
        int bytesRead = response.readDataWireFormat(buffer, 0, buffer.length);

        // Verify results
        assertTrue(bytesRead > 0);

     *
     * @param data The data.
     * @param offset The starting offset at which the SMB header begins.
     * @param length The length of the SMB data starting at offset.
     */
    void sign(final byte[] data, final int offset, final int length, final ServerMessageBlock request, final ServerMessageBlock response) {
        request.signSeq = signSequence;
        if (response != null) {

      String[] suffix = {"f", "g"};
      String[] all = new String[elements.length + suffix.length];
      arraycopy(elements, 0, all, 0, elements.length);
      arraycopy(suffix, 0, all, elements.length, suffix.length);
      return ImmutableList.copyOf(all).subList(0, elements.length);
    }
  }

  public static class ImmutableListTailSubListGenerator extends TestStringListGenerator {
    @Override

            byte[] responseData = createValidCopyChunkResponse(10, 131072, 1310720);
            System.arraycopy(responseData, 0, buffer, offset, responseData.length);

            int bytesDecoded = response.decode(buffer, offset, responseData.length);

            assertEquals(12, bytesDecoded);
            assertEquals(10, response.getChunksWritten());
            assertEquals(131072, response.getChunkBytesWritten());

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

        assertEquals(0, result);
    }

    @Test
    @DisplayName("Test readParametersWireFormat reads length correctly")
    void testReadParametersWireFormat() throws Exception {
        byte[] buffer = new byte[100];
        int expectedLength = 0x12345678;

        // Write length in little-endian format

      offset = min(offset, this.length);
      length = min(length, this.length - offset);
      int newOffset = this.offset + (int) offset;
      return new ByteArrayByteSource(bytes, newOffset, (int) length);
    }

    @Override
    public String toString() {
      return "ByteSource.wrap("