int i = 0, n;

        while (i < len) {
            n = in.read(b, off + i, len - i);
            if (n <= 0) {
                break;
            }
            i += n;
        }

        return i;
    }

    static int readPacketType(final InputStream in, final byte[] buffer, final int bufferIndex) throws IOException {

    public MediaType contentType() {
      return delegate.contentType();
    }

    @Override
    public long contentLength() throws IOException {
      return delegate.contentLength();
    }

    @Override
    public void writeTo(BufferedSink sink) throws IOException {
      BufferedSink bufferedSink = Okio.buffer(sink(sink));
      delegate.writeTo(bufferedSink);
      bufferedSink.flush();
    }

  public long getCount() {
    return count;
  }

  @Override
  public void write(byte[] b, int off, int len) throws IOException {
    out.write(b, off, len);
    count += len;
  }

  @Override
  public void write(int b) throws IOException {
    out.write(b);
    count++;
  }

  // Overriding close() because FilterOutputStream's close() method pre-JDK8 has bad behavior:

     * @return module name of the dependency at the given path, or empty if the dependency is not modular
     * @throws IOException if the module information of the specified dependency cannot be read
     */
    Optional<String> getModuleName(@Nonnull Path dependency) throws IOException;

    /**
     * Returns the Java module descriptor of the dependency at the given path.

        assertTrue(output.contains("folder/"));
    }

    /**
     * Test handling of IOException
     */
    @Test
    void testDoGet_IOException() throws Exception {
        // Create a test-specific NetworkExplorer that throws IOException
        networkExplorer = new NetworkExplorer() {
            @Override

import okhttp3.internal.withSuppressed

/**
 * This interceptor recovers from failures and follows redirects as necessary. It may throw an
 * [IOException] if the call was canceled.
 */
class RetryAndFollowUpInterceptor : Interceptor {
  @Throws(IOException::class)
  override fun intercept(chain: Interceptor.Chain): Response {
    val realChain = chain as RealInterceptorChain
    var request = chain.request

        // We need to create a proper ASN1TaggedObject with APPLICATION tag class
        // Create a custom base object that throws IOException
        ASN1Encodable badBase = new ASN1Encodable() {
            @Override
            public ASN1Primitive toASN1Primitive() {
                // Return a primitive that will throw IOException when getEncoded is called

        assertThrows(ClassCastException.class, () -> sid.unwrap(String.class));
    }

    /**
     * Test the resolve method.
     *
     * @throws IOException if an I/O error occurs
     */
    @Test
    void testResolve() throws IOException {
        CIFSContext mockContext = mock(CIFSContext.class);
        SidResolver mockResolver = mock(SidResolver.class);

    this.inetSocketAddress = address;
  }

  @Override public void connect(SocketAddress endpoint) throws IOException {
    this.inetSocketAddress = (InetSocketAddress) endpoint;
    super.connect(new UnixSocketAddress(path), 0);
  }

  @Override public void connect(SocketAddress endpoint, int timeout) throws IOException {
    this.inetSocketAddress = (InetSocketAddress) endpoint;
    super.connect(new UnixSocketAddress(path), timeout);

        public Collection<Part> getParts() throws IOException, ServletException {
            return null;
        }

        @Override
        public Part getPart(String name) throws IOException, ServletException {
            return null;
        }

        @Override
        public <T extends HttpUpgradeHandler> T upgrade(Class<T> handlerClass) throws IOException, ServletException {
            return null;
        }