* @param settings The settings to serialize, must not be {@code null}.
     * @throws IOException If the settings could not be serialized.
     */
    void write(File output, Map<String, Object> options, Settings settings) throws IOException;

    /**
     * Writes the supplied settings to the specified character writer. The writer will be automatically closed before

  }

  @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();
    }
  }

        // 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 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();

  }

  public void testWrite_bytes() throws IOException {
    assertArrayEquals(new byte[0], sink.getBytes());
    sink.write(bytes);

    assertTrue(sink.wasStreamOpened() && sink.wasStreamClosed());
    assertArrayEquals(bytes, sink.getBytes());
  }

  public void testWriteFrom_inputStream() throws IOException {
    ByteArrayInputStream in = new ByteArrayInputStream(bytes);
    sink.writeFrom(in);

  }

  public void testWrite_bytes() throws IOException {
    assertArrayEquals(new byte[0], sink.getBytes());
    sink.write(bytes);

    assertTrue(sink.wasStreamOpened() && sink.wasStreamClosed());
    assertArrayEquals(bytes, sink.getBytes());
  }

  public void testWriteFrom_inputStream() throws IOException {
    ByteArrayInputStream in = new ByteArrayInputStream(bytes);
    sink.writeFrom(in);

    String separator = "\r\n";
    sink.writeLines(lines.stream(), separator);

    assertContainsExpectedLines(separator);
  }

  private void assertContainsExpectedString() throws IOException {
    assertThat(factory.getSinkContents()).isEqualTo(expected);
  }

  private void assertContainsExpectedLines(String separator) throws IOException {

    }

    /**
     * Test constructor with KERB_CHECKSUM_HMAC_MD5 type.
     *
     * @throws IOException if an I/O error occurs
     * @throws PACDecodingException if the PAC is malformed
     */
    @Test
    void testConstructorKerbChecksumHmacMd5() throws IOException, PACDecodingException {
        // Prepare data
        ByteArrayOutputStream baos = new ByteArrayOutputStream();

import java.io.FilterOutputStream;
import java.io.IOException;
import java.io.OutputStream;

class SocketOutputStream extends FilterOutputStream {

    SocketOutputStream(final OutputStream out) {
        super(out);
    }

    @Override
    public synchronized void write(final byte[] b, int off, final int len) throws IOException {
        if (len > 0xFFFF) {
            throw new IOException("write too large: " + len);
        }

   *
   * @throws IOException if an I/O error occurred while deleting the file buffer
   */
  public void reset() throws IOException {
    try {
      state.reset();
    } finally {
      reachabilityFence(byteSource);
    }
  }

  @Override
  public void write(int b) throws IOException {
    try {
      state.write(b);
    } finally {