void isOpen_delegates(boolean state) throws Exception {
        // Arrange
        SmbPipeOutputStream out = newStream();
        when(handle.isOpen()).thenReturn(state);

        // Act
        boolean result = out.isOpen();

        // Assert
        assertEquals(state, result, "isOpen should reflect handle state");
        verify(handle, times(1)).isOpen();
    }

    @Test

                    }
                    failureCount.incrementAndGet();
                } finally {
                    doneLatch.countDown();
                }
            }).start();
        }

        // Signal all threads to start at once
        startLatch.countDown();

        // Wait for all threads to complete
        assertTrue("Threads did not complete in time", doneLatch.await(5, TimeUnit.SECONDS));

        } catch (Exception e) {
            state = RdmaConnectionState.ERROR;
            throw new IOException("DiSNI RDMA send failed", e);
        }
    }

    @Override
    public ByteBuffer receive(int timeout) throws IOException {
        if (state != RdmaConnectionState.ESTABLISHED && state != RdmaConnectionState.CONNECTED) {

            bufferIndex += 2;
            this.blob = new byte[blobLength];
        }
        return bufferIndex - start;
    }

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

        if (this.isExtendedSecurity()) {
            System.arraycopy(buffer, bufferIndex, this.blob, 0, this.blob.length);

                nodeOffset = readInt2(buffer, bufferIndex);
                bufferIndex += 2;

                path = readString(buffer, start + pathOffset, len, (flags2 & FLAGS2_UNICODE) != 0);
                if (nodeOffset > 0) {
                    node = readString(buffer, start + nodeOffset, len, (flags2 & FLAGS2_UNICODE) != 0);
                }
            } else if (version == 1) {

        }
    }

    public void test_execute_2instance() throws Exception {
        final CrawlerWebServer server1 = new CrawlerWebServer(7070);
        server1.start();
        final CrawlerWebServer server2 = new CrawlerWebServer(7071);
        server2.start();

        final String url1 = "http://localhost:7070/";
        final String url2 = "http://localhost:7071/";
        try {
            final int maxCount = 10;

     */
    private void buildHeader(byte[] buf, int start, int status, int command, long sessionId) {
        System.arraycopy(SMBUtil.SMB2_HEADER, 0, buf, start, SMBUtil.SMB2_HEADER.length);
        // Status at +8
        SMBUtil.writeInt4(status, buf, start + 8);
        // Command at +12
        SMBUtil.writeInt2(command, buf, start + 12);
        // Flags at +16: server-to-redirector

     */
    @Test
    public void testPerformance() throws Exception {
        final int num = 100;
        long start = System.currentTimeMillis();
        for (int i = 0; i < num; i++) {
            System.out.println("test" + i);
        }
        final long sysout = System.currentTimeMillis() - start;
        start = System.currentTimeMillis();
        for (int i = 0; i < num; i++) {
            logger.fatal("test" + i);
        }

        this.fileName = new String(nameBytes, StandardCharsets.UTF_16LE);
        return bufferIndex - start;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Encodable#encode(byte[], int)
     */
    @Override
    public int encode(final byte[] dst, int dstIndex) {
        final int start = dstIndex;
        dst[dstIndex] = (byte) (this.replaceIfExists ? 1 : 0);
        dstIndex += 8; // 7 Reserved

        int state, t, x, i, off;
        byte ch;
        final byte[] type = new byte[128];
        final byte[] buf = new byte[16];
        final byte[] ext = extension.toLowerCase().getBytes("ASCII");

        state = ST_START;
        t = x = i = 0;
        for (off = 0; off < inLen; off++) {
            ch = in[off];
            switch (state) {
            case ST_START: