ByteBuffer buffer;

    ByteBufferHasher(int expectedInputSize) {
      this.buffer = ByteBuffer.allocate(expectedInputSize).order(ByteOrder.LITTLE_ENDIAN);
    }

    /**
     * Resizes the buffer if necessary. Guaranteed to leave `buffer` in Write Mode ready for new
     * data.
     */
    private void ensureCapacity(int needed) {
      if (buffer.remaining() >= needed) {
        return;
      }

		testReadFile(t, r.File[i], &wt)
	}
}

func TestWriterFlush(t *testing.T) {
	var buf bytes.Buffer
	w := NewWriter(struct{ io.Writer }{&buf})
	_, err := w.Create("foo")
	if err != nil {
		t.Fatal(err)
	}
	if buf.Len() > 0 {
		t.Fatalf("Unexpected %d bytes already in buffer", buf.Len())
	}
	if err := w.Flush(); err != nil {
		t.Fatal(err)
	}
	if buf.Len() == 0 {

        final int zt = zterm ? 1 : 0;

        length = maximum_length = (short) ((len + zt) * 2);
        buffer = new short[len + zt];

        int i;
        for (i = 0; i < len; i++) {
            buffer[i] = (short) str.charAt(i);
        }
        if (zterm) {
            buffer[i] = (short) 0;
        }
    }

    @Override
    public String toString() {

    mockResponse.headers = headersOf()
    mockResponse.trailers = headersOf()
    mockResponse = mockResponse.removeHeader("")
    var body: Buffer? = mockResponse.getBody()
    mockResponse = mockResponse.setBody(Buffer())
    mockResponse = mockResponse.setChunkedBody(Buffer(), 0)
    mockResponse = mockResponse.setChunkedBody("", 0)
    var socketPolicy: SocketPolicy = mockResponse.socketPolicy

        this.leaseState = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        this.leaseFlags = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        // LeaseDuration (8 bytes) - reserved, skip
        bufferIndex += 8;

        byte[] parentKeyBytes = new byte[16];
        System.arraycopy(buffer, bufferIndex, parentKeyBytes, 0, 16);

    protected int readBytesWireFormat(final byte[] buffer, int bufferIndex) throws SMBProtocolDecodingException {
        final int start = bufferIndex;

        final int structureSize = SMBUtil.readInt2(buffer, bufferIndex);
        if (structureSize != 9) {
            throw new SMBProtocolDecodingException("Expected structureSize = 9");
        }

        final int bufferOffset = SMBUtil.readInt2(buffer, bufferIndex + 2) + getHeaderStart();

    @Override
    public int decode(final byte[] buffer, int bufferIndex, final int len) throws SMBProtocolDecodingException {
        final int start = bufferIndex;
        this.allocationSize = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;
        this.endOfFile = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;
        this.numberOfLinks = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        server.maxMpxCount = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        server.maxNumberVcs = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        server.maxBufferSize = readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        server.maxRawSize = readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        server.sessionKey = readInt4(buffer, bufferIndex);
        bufferIndex += 4;

    }

    /**
     * Decode a transform header from byte array
     *
     * @param buffer
     *            buffer to decode from
     * @param bufferIndex
     *            offset in buffer
     * @return new transform header instance
     */
    public static Smb2TransformHeader decode(final byte[] buffer, int bufferIndex) {
        final Smb2TransformHeader header = new Smb2TransformHeader();

    }

    @Test
    @DisplayName("Test buffer management")
    void testBufferManagement() {
        byte[] buffer = new byte[1024];
        buffer[0] = 0x42;
        buffer[1] = 0x43;

        response.setBuffer(buffer);

        byte[] released = response.releaseBuffer();
        assertSame(buffer, released);
        assertEquals(0x42, released[0]);