cache.getBuffer();
            cache.releaseBuffer(new byte[1024]);
        }, "All BufferCache interface methods should be callable");
    }

    @Test
    @DisplayName("getBuffer should return non-null byte array")
    void testGetBufferContract() {
        // Given
        byte[] expectedBuffer = new byte[1024];
        when(mockBufferCache.getBuffer()).thenReturn(expectedBuffer);

        // When

@Beta
public interface PrimitiveSink {
  /**
   * Puts a byte into this sink.
   *
   * @param b a byte
   * @return this instance
   */
  @CanIgnoreReturnValue
  PrimitiveSink putByte(byte b);

  /**
   * Puts an array of bytes into this sink.
   *
   * @param bytes a byte array
   * @return this instance
   */
  @CanIgnoreReturnValue
  PrimitiveSink putBytes(byte[] bytes);

  /**

        dstIndex += 2;
        dst[dstIndex] = (byte) 0x00;
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00;
        dst[dstIndex++] = (byte) 0x00;
        dst[dstIndex++] = (byte) 0x00;
        dstIndex += writeString(path, dst, dstIndex);

        return dstIndex - start;
    }

    @Override
    int writeDataWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

        assertEquals((byte) 0x34, buf[0], "First byte should be low byte of level");
        assertEquals((byte) 0x12, buf[1], "Second byte should be high byte of level");
    }

    @Test
    @DisplayName("all read* methods return zero")
    void testReadMethodsReturnZero() {
        Trans2QueryFSInformation cmd = new Trans2QueryFSInformation(10);
        assertEquals(0, cmd.readSetupWireFormat(null, 0, 0));

    }

    int readWireFormat(final byte[] src, final int srcIndex) {

        final byte tmp[] = new byte[SCOPE_OFFSET];
        int length = 15;
        for (int i = 0; i < 15; i++) {
            tmp[i] = (byte) ((src[srcIndex + 2 * i + 1] & 0xFF) - 0x41 << 4);
            tmp[i] |= (byte) ((src[srcIndex + 2 * i + 2] & 0xFF) - 0x41 & 0x0F);
            if (tmp[i] != (byte) ' ') {
                length = i + 1;
            }

    void testSetSecurityFlags() {
        request = new Smb2CreateRequest(mockConfig, "test.txt");

        request.setSecurityFlags((byte) 0x01);
        // Verify through writeBytesWireFormat
        byte[] buffer = new byte[1024];
        request.writeBytesWireFormat(buffer, 0);
        assertEquals((byte) 0x01, buffer[2]);
    }

    @Test
    @DisplayName("Test oplock level setter")
    void testSetRequestedOplockLevel() {

        assertEquals(0, dst[2], "Third byte should be 0 (no FID)");
        assertEquals(0, dst[3], "Fourth byte should be 0 (no FID)");
    }

    @Test
    public void testReadSetupWireFormat() {
        // Test the readSetupWireFormat method
        TransWaitNamedPipe pipe = new TransWaitNamedPipe("\\\\pipe\\testPipe");
        byte[] buffer = new byte[10];

        // The implementation always returns 0

     */
    boolean verify(final byte[] data, final int offset, final ServerMessageBlock response) {
        update(macSigningKey, 0, macSigningKey.length);
        int index = offset;
        update(data, index, SmbConstants.SIGNATURE_OFFSET);
        index += SmbConstants.SIGNATURE_OFFSET;
        final byte[] sequence = new byte[8];
        ServerMessageBlock.writeInt4(response.signSeq, sequence, 0);

        return fileSize;
    }

    @Override
    int writeParameterWordsWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    int writeBytesWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    int readParameterWordsWireFormat(final byte[] buffer, int bufferIndex) {
        if (wordCount == 0) {
            return 0;
        }

     * Encode this interface info for FSCTL_QUERY_NETWORK_INTERFACE_INFO response
     *
     * @return encoded bytes
     */
    public byte[] encode() {
        // NETWORK_INTERFACE_INFO structure per MS-SMB2 2.2.32.5.1
        // Total size: 152 bytes
        byte[] buffer = new byte[Smb2ChannelCapabilities.NETWORK_INTERFACE_INFO_SIZE];
        ByteBuffer bb = ByteBuffer.wrap(buffer).order(ByteOrder.LITTLE_ENDIAN);