}

  public void testCloseExceptionsSuppressed_whenExceptionThrownFromTryBlock() throws IOException {
    Closer closer = new Closer(suppressor);

    IOException tryException = new IOException();
    IOException c1Exception = new IOException();
    IOException c2Exception = new IOException();

    TestCloseable c1 = closer.register(TestCloseable.throwsOnClose(c1Exception));

  }

  public void testMarkNotSet() {
    IOException expected = assertThrows(IOException.class, () -> counter.reset());
    assertThat(expected).hasMessageThat().isEqualTo("Mark not set");
  }

  public void testMarkNotSupported() {
    counter = new CountingInputStream(new UnmarkableInputStream());

    IOException expected = assertThrows(IOException.class, () -> counter.reset());

  }

  @Override
  public void readFully(byte[] b) throws IOException {
    ByteStreams.readFully(this, b);
  }

  @Override
  public void readFully(byte[] b, int off, int len) throws IOException {
    ByteStreams.readFully(this, b, off, len);
  }

  @Override
  public int skipBytes(int n) throws IOException {
    return (int) in.skip(n);
  }

  @CanIgnoreReturnValue // to skip a byte

    if (expectedLines.isEmpty()) {
      assertNull(source.readFirstLine());
    } else {
      assertEquals(expectedLines.get(0), source.readFirstLine());
    }
  }

  public void testReadLines_toList() throws IOException {
    assertExpectedLines(source.readLines());
  }

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

    asCharSink(to, charset, FileWriteMode.APPEND).write(from);
  }

  /**
   * Returns true if the given files exist, are not directories, and contain the same bytes.
   *
   * @throws IOException if an I/O error occurs
   */
  public static boolean equal(File file1, File file2) throws IOException {
    checkNotNull(file1);
    checkNotNull(file2);

  @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;
    }

    Settings buildSettings(MavenExecutionRequest request) throws IOException, XmlPullParserException;

    /**
     * @return a <code>Settings</code> object from the user settings file.
     * @throws IOException if any
     * @throws XmlPullParserException if any
     */
    Settings buildSettings() throws IOException, XmlPullParserException;

    /**

   *
   * @param from the object to read from
   * @param to the object to write to
   * @return the number of characters copied
   * @throws IOException if an I/O error occurs
   */
  @CanIgnoreReturnValue
  public static long copy(Readable from, Appendable to) throws IOException {
    // The most common case is that from is a Reader (like InputStreamReader or StringReader) so
    // take advantage of that.

closeStartTag() throws java.io.IOException; private void writeNamespaceDeclar() throws java.io.IOException; public XmlSerializer endTag(String, String) throws java.io.IOException; public XmlSerializer text(String) throws java.io.IOException; public XmlSerializer text(char[], int, int) throws java.io.IOException; public void cdsect(String) throws java.io.IOException; public void entityRef(String) throws java.io.IOException; public void processingInstructio(String) throws java.io.IOException; public void comment(String)...

     * @param in
     * @return coded bytes of the tagged object
     * @throws IOException
     */
    public static byte[] readUnparsedTagged(int expectTag, int limit, ASN1InputStream in) throws IOException {
        int ftag = in.read();
        int tag = readTagNumber(in, ftag);
        if ( tag != expectTag ) {
            throw new IOException("Unexpected tag " + tag);
        }
        int length = readLength(in, limit, false);