assertExpectedString(writer.toString());
  }

  public void testCopyTo_appendable() throws IOException {
    StringBuilder builder = new StringBuilder();

    assertEquals(expected.length(), source.copyTo(builder));

    assertExpectedString(builder.toString());
  }

  public void testCopyTo_charSink() throws IOException {
    TestCharSink sink = new TestCharSink();

  @Test
  public void equivalent_edgeAddOrdersDiffer() {
    NetworkBuilder<Integer, String> builder =
        NetworkBuilder.from(network).allowsParallelEdges(true);
    MutableNetwork<Integer, String> g1 = builder.build();
    MutableNetwork<Integer, String> g2 = builder.build();

    // for ug1, add e12 first, then e12_a
    g1.addEdge(N1, N2, E12);
    g1.addEdge(N1, N2, E12_A);

  }

  @Test
  fun `RSA issuer and signature`() {
    val root =
      HeldCertificate
        .Builder()
        .certificateAuthority(0)
        .rsa2048()
        .build()
    val certificate =
      HeldCertificate
        .Builder()
        .signedBy(root)
        .rsa2048()
        .build()

    protected Invoker createInvoker() {
        return new EncryptInvoker(
                ProtoLookup.builder().addMapping(ClassWorld.class, classWorld).build(), null);
    }

    @Override
    protected Parser createParser() {
        return new EncryptParser();
    }

    @Override
    protected ParserRequest.Builder createParserRequestBuilder(String[] args) {
        return ParserRequest.mvnenc(args, createMessageBuilderFactory());

    protected Invoker createInvoker() {
        return new ShellInvoker(
                ProtoLookup.builder().addMapping(ClassWorld.class, classWorld).build(), null);
    }

    @Override
    protected Parser createParser() {
        return new ShellParser();
    }

    @Override
    protected ParserRequest.Builder createParserRequestBuilder(String[] args) {
        return ParserRequest.mvnsh(args, createMessageBuilderFactory());

    int len = array.length;
    if (len == 0) {
      return "";
    }

    StringBuilder builder = new StringBuilder(len + separator.length() * (len - 1));
    builder.append(array[0]);
    for (int i = 1; i < len; i++) {
      builder.append(separator).append(array[i]);
    }
    return builder.toString();
  }

  /**
   * Returns a comparator that compares two {@code char} arrays <a

    val heldCertificate =
      HeldCertificate
        .Builder()
        .commonName("localhost")
        .addSubjectAlternativeName("localhost")
        .addSubjectAlternativeName("localhost.localdomain")
        .build()
    return@lazy HandshakeCertificates
      .Builder()
      .heldCertificate(heldCertificate)
      .addTrustedCertificate(heldCertificate.certificate)
      .build()

    platform.assumeNotConscrypt()
    val clientCa =
      HeldCertificate
        .Builder()
        .certificateAuthority(0)
        .build()
    val serverCa =
      HeldCertificate
        .Builder()
        .certificateAuthority(0)
        .build()
    val serverCertificate =
      HeldCertificate
        .Builder()
        .signedBy(serverCa)
        .addSubjectAlternativeName(server.hostName)

        String direction = event.getRequestType() == TransferEvent.RequestType.PUT ? "to" : "from";

        TransferResource resource = event.getResource();
        MessageBuilder message = messageBuilderFactory.builder();
        message.style(STYLE).append(action).append(' ').append(direction).append(' ');
        message.resetStyle().append(resource.getRepositoryId());
        message.style(STYLE).append(": ").append(resource.getRepositoryUrl());

import okio.BufferedSource;
import okio.ForwardingSource;
import okio.Okio;
import okio.Source;

public final class Progress {

  public void run() throws Exception {
    Request request = new Request.Builder()
        .url("https://publicobject.com/helloworld.txt")
        .build();

    final ProgressListener progressListener = new ProgressListener() {
      boolean firstUpdate = true;