.add("WWW-Authenticate", " ,  , Basic realm=myrealm")
        .build()
    assertThat(headers.parseChallenges("WWW-Authenticate"))
      .isEqualTo(listOf(Challenge("Basic", mapOf("realm" to "myrealm"))))
  }

  @Test fun spacesAroundKeyValueSeparator() {
    val headers =
      Headers.Builder()
        .add("WWW-Authenticate", "Basic realm = \"myrealm\"")
        .build()

  fun createClient(): Call.Factory {
    val builder = OkHttpClient.Builder()
    builder.followSslRedirects(followRedirects)
    if (connectTimeout != DEFAULT_TIMEOUT) {
      builder.connectTimeout(connectTimeout.toLong(), SECONDS)
    }
    if (readTimeout != DEFAULT_TIMEOUT) {
      builder.readTimeout(readTimeout.toLong(), SECONDS)
    }
    if (callTimeout != DEFAULT_TIMEOUT) {
      builder.callTimeout(callTimeout.toLong(), SECONDS)
    }

  public final int port;

  public SlackApi(String clientId, String clientSecret, int port) {
    this.httpClient = new OkHttpClient.Builder()
        .build();
    this.moshi = new Moshi.Builder()
        .add(new SlackJsonAdapters())
        .build();
    this.clientId = clientId;
    this.clientSecret = clientSecret;
    this.port = port;
  }

  /** See https://api.slack.com/docs/oauth. */

    val builder =
      MockResponse.Builder()
        .chunkedBody("abcdefg", 5)
    val fullBody = Buffer()
    builder.body!!.writeTo(fullBody)
    val truncatedBody = Buffer()
    truncatedBody.write(fullBody, 4)
    builder.body(truncatedBody)
    builder.clearHeaders()
    builder.addHeader("Transfer-encoding: chunked")
    builder.socketPolicy(DisconnectAtEnd)
    server.enqueue(builder.build())

        .addTrustedCertificate(localhostCertificate.certificate())
        .build();
    OkHttpClient client = new OkHttpClient.Builder()
        .sslSocketFactory(clientCertificates.sslSocketFactory(), clientCertificates.trustManager())
        .build();

    Call call = client.newCall(new Request.Builder()
        .url(server.url("/"))
        .build());
    Response response = call.execute();

  }

  @Test
  fun ecdsaSignedByRsa() {
    val root =
      HeldCertificate.Builder()
        .certificateAuthority(0)
        .rsa2048()
        .build()
    val leaf =
      HeldCertificate.Builder()
        .certificateAuthority(0)
        .ecdsa256()
        .signedBy(root)
        .build()
    assertThat(root.certificate.sigAlgName).isEqualTo("SHA256WITHRSA", ignoreCase = true)

  fun domainFronting() {
    val heldCertificate =
      HeldCertificate.Builder()
        .commonName("server name")
        .addSubjectAlternativeName("url-host.com")
        .build()
    val handshakeCertificates =
      HandshakeCertificates.Builder()
        .heldCertificate(heldCertificate)
        .addTrustedCertificate(heldCertificate.certificate)
        .build()
    server.useHttps(handshakeCertificates.sslSocketFactory())

    val heldCertificate =
      HeldCertificate.Builder()
        .commonName("localhost")
        .addSubjectAlternativeName("localhost")
        .build()
    val handshakeCertificates =
      HandshakeCertificates.Builder()
        .heldCertificate(heldCertificate)
        .addTrustedCertificate(heldCertificate.certificate)
        .build()

    client =
      client.newBuilder()

  val bootstrapClient = OkHttpClient.Builder().cache(appCache).build()

  val dns = DnsOverHttps.Builder().client(bootstrapClient)
    .url("https://dns.google/dns-query".toHttpUrl())
    .bootstrapDnsHosts(InetAddress.getByName("8.8.4.4"), InetAddress.getByName("8.8.8.8"))
    .build()

  val client = bootstrapClient.newBuilder().dns(dns).build()
```

    val httpUrl =
      HttpUrl.Builder()
        .scheme("http")
        .username("user")
        .host("host")
        .build()
    assertThat(httpUrl.toString()).isEqualTo("http://user@host/")
    assertThat(httpUrl.toUri().toString()).isEqualTo("http://user@host/")
  }

  @Test
  fun toUriUsernameSpecialCharacters() {
    val url =
      HttpUrl.Builder()
        .scheme("http")