if (is == null) {
                    throw new IOException("Resource not found: non/existent/resource.json");
                }
                // This line should not be reached
                new String(is.readAllBytes(), StandardCharsets.UTF_8);
                fail("Should throw IOException for missing resource");
            }
        } catch (IOException e) {

        private long nextKey = 1;
        private Long peekedKey = null;
        private IOException sendException = null;
        private IOException recvException = null;
        private boolean connectFails = false;
        private boolean disconnectResult = false;

        @Override
        protected long makeKey(Request request) throws IOException {
            return nextKey++;
        }

        @Override

  @Override public Socket createSocket() throws IOException {
    UnixSocketChannel channel = UnixSocketChannel.open();
    return new TunnelingUnixSocket(path, channel);
  }

  @Override public Socket createSocket(String host, int port) throws IOException {
    Socket result = createSocket();

    try {
      result.connect(new InetSocketAddress(host, port));
    } catch (IOException e) {
      result.close();
      throw e;
    }

        }
    }

    private static String readFromFile(File file) {
        try {
            return FileUtils.readFileToString(file).trim();
        } catch (IOException ioException) {
            throw new GradleException("Cannot read java properties file.", ioException);
        }
    }

    }

    /**
     * Converts an SmbException to an IOException.
     *
     * @param se the SmbException to convert
     * @return the resulting IOException
     */
    protected IOException seToIoe(final SmbException se) {
        IOException ioe = se;
        Throwable root = se.getRootCause();
        if (root instanceof TransportException) {

    }

    private void parse(final byte[] material) throws IOException {
        for (int i = 0; i < 8; i++) {
            if (material[i] != NTLMSSP_SIGNATURE[i]) {
                throw new IOException("Not an NTLMSSP message.");
            }
        }
        if (readULong(material, 8) != 1) {
            throw new IOException("Not a Type 1 message.");
        }

  @Throws(IOException::class)
  fun createRequestBody(
    request: Request,
    contentLength: Long,
  ): Sink

  /** This should update the HTTP engine's sentRequestMillis field. */
  @Throws(IOException::class)
  fun writeRequestHeaders(request: Request)

  /** Flush the request to the underlying socket. */
  @Throws(IOException::class)
  fun flushRequest()

            return out;
          }
        });
    assertExpectedBytes(out.toByteArray());
  }

  public void testIsEmpty() throws IOException {
    assertEquals(expected.length == 0, source.isEmpty());
  }

  public void testSize() throws IOException {
    assertEquals(expected.length, source.size());
  }

  public void testSizeIfKnown() throws IOException {

            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) {

    checkArgument(readAheadLimit >= 0, "readAheadLimit (%s) may not be negative", readAheadLimit);
    checkOpen();
    mark = pos;
  }

  @Override
  public synchronized void reset() throws IOException {
    checkOpen();
    pos = mark;
  }

  @Override
  public synchronized void close() throws IOException {
    seq = null;
  }