}

    @Override
    protected void doSendFragment(final byte[] buf, final int off, final int length, final boolean isDirect) throws IOException {
        if (out != null && !out.isOpen()) {
            throw new IOException("DCERPC pipe is no longer open");
        }

        if (in == null) {
            in = (SmbFileInputStream) pipe.getNamedPipeInputStream();
        }

  }

  @Override
  public OutputStream openStream() throws IOException {
    outputStreamOpened = true;
    bytes.reset(); // truncate
    return new Out();
  }

  private final class Out extends TestOutputStream {

    Out() throws IOException {
      super(bytes, options);
    }

    @Override
    public void close() throws IOException {
      outputStreamClosed = true;
      super.close();
    }
  }

            assertTrue(e.getCause() instanceof IOException);
        }
    }

    public void test_getXContentString_withException() {
        ToXContent xContent = new ToXContent() {
            @Override
            public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
                throw new IOException("Test exception");
            }
        };

        mockedStaticAuthData.close();
    }

    /**
     * Test constructor with a valid ASN.1 token.
     *
     * @throws IOException if ASN.1 encoding fails.
     * @throws PACDecodingException if PAC decoding fails.
     */
    @Test
    void testConstructor_ValidToken() throws IOException, PACDecodingException {
        // 1. GIVEN
        // Create a mock KerberosAuthData to be returned by the mocked parse method

            IOException ioException = exception;
            assertNotNull(ioException);
        }

        @Test
        @DisplayName("Should work in catch blocks for IOException")
        void testCatchAsIOException() {
            assertDoesNotThrow(() -> {
                try {
                    throw new TransportException("Test exception");
                } catch (IOException e) {

  /** Send a ping with the supplied [payload]. */
  @Throws(IOException::class)
  fun writePing(payload: ByteString) {
    writeControlFrame(OPCODE_CONTROL_PING, payload)
  }

  /** Send a pong with the supplied [payload]. */
  @Throws(IOException::class)
  fun writePong(payload: ByteString) {
    writeControlFrame(OPCODE_CONTROL_PONG, payload)
  }

  /**

   *     Corresponds to `FLAG_FIN`.
   */
  @Throws(IOException::class)
  fun newStream(
    requestHeaders: List<Header>,
    out: Boolean,
  ): Http2Stream = newStream(0, requestHeaders, out)

  @Throws(IOException::class)
  private fun newStream(
    associatedStreamId: Int,
    requestHeaders: List<Header>,
    out: Boolean,

        // Both transports fail
        SmbTransportImpl trans1 = mock(SmbTransportImpl.class);
        SmbTransportImpl trans2 = mock(SmbTransportImpl.class);

        IOException firstException = new IOException("First failure");
        IOException secondException = new IOException("Second failure");

        when(trans1.unwrap(SmbTransportImpl.class)).thenReturn(trans1);
        when(trans1.ensureConnected()).thenThrow(firstException);

        ensureInitialized();
        return new DisniMemoryRegion(buffer, access, endpoint);
    }

    /**
     * Initialize DiSNI components if not already initialized
     *
     * @throws IOException if initialization fails
     */
    private void ensureInitialized() throws IOException {
        if (!initialized) {
            try {

     * @return A byte array representing the ticket
     * @throws IOException on encoding error
     */
    private byte[] createTestTicketBytes(Number version, String realm, String principalName, int encType, byte[] encryptedData,
            Integer unknownTag) throws IOException {
        ASN1EncodableVector v = new ASN1EncodableVector();