* @param out the output stream
     * @return the number of bytes copied
     */
    protected static int copyInternal(final InputStream in, final OutputStream out) {
        try {
            final byte[] buf = new byte[DEFAULT_BUF_SIZE];
            int len;
            int amount = 0;
            while ((len = in.read(buf)) != -1) {
                out.write(buf, 0, len);
                amount += len;

    void testWriteDataWireFormatWithOffsetAndLength() {
        // Given
        int dataOffset = 2;
        int dataLength = 5;
        transCallNamedPipe = new TransCallNamedPipe(mockConfig, TEST_PIPE_NAME, TEST_DATA, dataOffset, dataLength);
        byte[] dst = new byte[100];
        int dstIndex = 10;

        // When
        int bytesWritten = transCallNamedPipe.writeDataWireFormat(dst, dstIndex);

        // Then

        // When
        int credits = response.getInitialCredits();

        // Then
        assertEquals(128, credits);
    }

    @Test
    @DisplayName("Should return dialect revision")
    void testGetDialectRevision() throws Exception {
        // Given
        setPrivateField(response, "dialectRevision", 0x0311);

        // When
        int dialect = response.getDialectRevision();

    // see https://msdn.microsoft.com/en-us/library/dd414577.aspx

    private int namedPipeState;
    private int readDataAvailable;
    private int numberOfMessages;
    private int messageLength;
    private byte[] data;

    /**
     * Gets the current state of the named pipe
     * @return the namedPipeState
     */
    public int getNamedPipeState() {
        return this.namedPipeState;
    }

    /**

            byte[] buffer = new byte[1024];

            // Test at different positions
            int[] positions = { 0, 50, 100, 500, 800 };

            for (int position : positions) {
                SMBUtil.writeInt2(4, buffer, position);

                int result = echoResponse.readBytesWireFormat(buffer, position);
                assertEquals(0, result, "Failed at position " + position);

    }

    public InputLocation(int lineNumber, int columnNumber) {
        this.lineNumber = lineNumber;
        this.columnNumber = columnNumber;
    } // -- org.apache.maven.model.InputLocation(int, int)

    public InputLocation(int lineNumber, int columnNumber, InputSource source) {
        this.lineNumber = lineNumber;
        this.columnNumber = columnNumber;

    void testWriteBytesWireFormat() {
        response = new Smb2QueryInfoResponse(mockConfig, (byte) 1, (byte) 2);
        byte[] dst = new byte[1024];
        int dstIndex = 0;

        int result = response.writeBytesWireFormat(dst, dstIndex);

        assertEquals(0, result);
    }

    @Test
    @DisplayName("Test readBytesWireFormat with valid structure size")

        }

        @ParameterizedTest
        @MethodSource("flagsProvider")
        void verifiesCreateDisposition(int flags, int expected) {
            SmbComNTCreateAndX req = createRequest(flags, 0);
            // Use reflection to read the private field createDisposition
            int actual = (int) getPrivateField(req, "createDisposition");
            assertEquals(expected, actual, "createDisposition should match");
        }

  }

  @Benchmark
  void concurrentHashMap(int rep) {
    for (int i = 0; i < rep; i++) {
      map.get(TEST_KEY);
    }
  }

  @Benchmark
  void cacheBuilder_stats(int rep) {
    for (int i = 0; i < rep; i++) {
      cache.getIfPresent(TEST_KEY);
    }
  }

  @Benchmark
  void cacheBuilder(int rep) {
    for (int i = 0; i < rep; i++) {
      cacheNoStats.getIfPresent(TEST_KEY);
    }

    @Param(value = { "10000000" })
    int entries;

    private StreamInput streamInput;

    @Setup
    public void initResults() throws IOException {
        final BytesStreamOutput tmp = new BytesStreamOutput();
        for (int i = 0; i < entries / 2; i++) {
            tmp.writeVInt(i);
        }
        for (int i = 0; i < entries / 2; i++) {
            tmp.writeVInt(Integer.MAX_VALUE - i);