"ConnectionReleased",
    )
  }

  @Test
  @Throws(IOException::class)
  fun successfulEmptyH2CallEventSequence() {
    enableTls()
    server!!.protocols = Arrays.asList(Protocol.HTTP_2, Protocol.HTTP_1_1)
    server!!.enqueue(MockResponse())
    assertSuccessfulEventOrder()
  }

  @Test
  @Throws(IOException::class)
  fun multipleDnsLookupsForSingleCall() {
    server!!.enqueue(

        // 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);

     * @return number of bytes received
     * @throws IOException if an I/O error occurs
     */
    int recv(byte[] buf, int off, int length) throws IOException;

    /**
     * Send data to the pipe
     *
     * @param buf buffer containing data to send
     * @param off offset in the buffer
     * @param length length of data to send
     * @throws IOException if an I/O error occurs
     */

    }

    @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();
        }

            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");
            }
        };

            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,

      assertThat(response.peekTrailers()).isNull()
      assertFailsWith<IOException> {
        source.readUtf8()
      }
      try {
        assertThat(response.peekTrailers()).isNull() // Okay. This is what HTTP/1 does.
      } catch (_: IOException) {
        // Also okay. This is what HTTP/2 does.
      }
      assertFailsWith<IOException> {
        response.trailers()
      }
    }
  }

  @Test

        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 {