}

  private fun addInterceptor(
    network: Boolean,
    interceptor: Interceptor,
  ) {
    val builder = client.newBuilder()
    if (network) {
      builder.addNetworkInterceptor(interceptor)
    } else {
      builder.addInterceptor(interceptor)
    }
    client = builder.build()
  }

  /** Catches exceptions that are otherwise headed for the uncaught exception handler.  */

  @Test
  fun emptyNameForbidden() {
    val builder = Request.Builder()
    assertFailsWith<IllegalArgumentException> {
      builder.header("", "Value")
    }
    assertFailsWith<IllegalArgumentException> {
      builder.addHeader("", "Value")
    }
  }

  @Test
  fun headerAllowsTabOnlyInValues() {
    val builder = Request.Builder()
    builder.header("key", "sample\tvalue")

        .Builder()
        .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()

    ImmutableListMultimap.Builder<String, Integer> builder = ImmutableListMultimap.builder();
    builder.put("b", 3);
    builder.put("d", 2);
    builder.put("a", 5);
    builder.orderValuesBy(Collections.reverseOrder());
    builder.put("c", 4);
    builder.put("a", 2);
    builder.put("b", 6);
    ImmutableListMultimap<String, Integer> multimap = builder.build();

      MockResponse
        .Builder()
        .code(HttpURLConnection.HTTP_MOVED_TEMP)
        .setHeader("Location", otherServer.url("/"))
        .build(),
    )
    otherServer.enqueue(
      MockResponse
        .Builder()
        .headersDelay(500, TimeUnit.MILLISECONDS)
        .build(),
    )
    val request = Request.Builder().url(server.url("/")).build()
    val call = client.newCall(request)

```java
HeldCertificate rootCertificate = new HeldCertificate.Builder()
    .certificateAuthority(1)
    .build();

HeldCertificate intermediateCertificate = new HeldCertificate.Builder()
    .certificateAuthority(0)
    .signedBy(rootCertificate)
    .build();

HeldCertificate serverCertificate = new HeldCertificate.Builder()
    .addSubjectAlternativeName("localhost")
    .signedBy(intermediateCertificate)

    unused = builder.build(); // this is *also* allowed
  }

  public void testBuildMutate() {
    ThreadFactory factory1 = builder.setPriority(1).build();
    assertEquals(1, factory1.newThread(monitoredRunnable).getPriority());

    builder.setPriority(2); // change the state of the builder
    assertEquals(1, factory1.newThread(monitoredRunnable).getPriority());
  }

    assertFalse(pin.matchesCertificate(certB1.certificate))
  }

  @Test fun pinList() {
    val builder =
      CertificatePinner
        .Builder()
        .add("example.com", CertificatePinnerTest.certA1Sha256Pin)
        .add("www.example.com", CertificatePinnerTest.certA1Sha256Pin)
    val certificatePinner = builder.build()

    val expectedPins =
      listOf(

  }

  @Test
  fun proxy() {
    server.enqueue(MockResponse.Builder().body("abc").build())
    server.enqueue(MockResponse.Builder().body("def").build())
    val client =
      clientTestRule
        .newClientBuilder()
        .proxy(socksProxy.proxy())
        .build()
    val request1 = Request.Builder().url(server.url("/")).build()
    val response1 = client.newCall(request1).execute()

    val certificatePinner =
      CertificatePinner
        .Builder()
        .add(server.hostName, "sha256/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=")
        .build()
    client = client.newBuilder().certificatePinner(certificatePinner).build()

    server.enqueue(MockResponse(body = "abc"))

    val request = Request.Builder().url(server.url("/")).build()

    try {
      client.newCall(request).execute()