// Verify name suffix is set
        assertEquals("Pager", pagerCreator.getNameSuffix());

        // Verify instance def is SESSION
        assertEquals(InstanceDefFactory.SESSION, pagerCreator.getInstanceDef());

        // Verify auto binding def is NONE
        assertEquals(AutoBindingDefFactory.NONE, pagerCreator.getAutoBindingDef());
    }

    // Test getPagerCustomizer when no customizer is set

    assertEquals(
        "\uD8AB\uDCABdef", Strings.commonSuffix("abc\uD8AB\uDCABdef", "xyz\uD8AB\uDCABdef"));
    // Differing valid surrogate pairs.
    assertEquals("def", Strings.commonSuffix("abc\uD8AB\uDCABdef", "abc\uD8AC\uDCABdef"));
    // One invalid pair.
    assertEquals("def", Strings.commonSuffix("abc\uD8AB\uDCABdef", "xyz\uDCAB\uDCABdef"));
    // Two identical invalid pairs.
    assertEquals(

    clientListener.assertOpen()
    val server = serverListener.assertOpen()
    webSocket.send("abc")
    serverListener.assertTextMessage("abc")
    server.send("def")
    clientListener.assertTextMessage("def")
    closeWebSockets(webSocket, server)
  }

  @Test
  @Throws(IOException::class)
  fun missingConnectionHeader() {
    webServer.enqueue(
      MockResponse

      MockResponse
        .Builder()
        .body("def")
        .onResponseEnd(ShutdownConnection)
        .build(),
    )
    val call2 =
      client.newCall(
        Request
          .Builder()
          .url(server.url("/"))
          .build(),
      )
    val response2 = call2.execute()
    assertThat(response2.body.string()).isEqualTo("def")
    response2.close()
  }

  @Test

      override fun writeTo(sink: BufferedSink) {
        try {
          sink.writeUtf8("abc")
          sink.flush()
          Thread.sleep(sleepMillis.toLong())
          sink.writeUtf8("def")
        } catch (e: InterruptedException) {
          throw InterruptedIOException()
        }
      }
    }

  companion object {

  fun responseTimeout() {
    server.enqueue(
      MockResponse()
        .setBody("ABC")
        .clearHeaders()
        .addHeader("Content-Length: 4"),
    )
    server.enqueue(MockResponse().setBody("DEF"))
    val urlConnection = server.url("/").toUrl().openConnection()
    urlConnection.setReadTimeout(1000)
    val inputStream = urlConnection.getInputStream()
    assertThat(inputStream.read()).isEqualTo('A'.code)

        .Builder()
        .body("ABC")
        .clearHeaders()
        .addHeader("Content-Length: 4")
        .build(),
    )
    server.enqueue(
      MockResponse
        .Builder()
        .body("DEF")
        .build(),
    )
    val urlConnection = server.url("/").toUrl().openConnection()
    urlConnection!!.readTimeout = 1000
    val inputStream = urlConnection.getInputStream()

  public void testCharactersOfIsView() {
    StringBuilder builder = new StringBuilder("abc");
    List<Character> chars = charactersOf(builder);
    assertEquals(asList('a', 'b', 'c'), chars);
    builder.append("def");
    assertEquals(asList('a', 'b', 'c', 'd', 'e', 'f'), chars);
    builder.deleteCharAt(5);
    assertEquals(asList('a', 'b', 'c', 'd', 'e'), chars);
  }

  public void testNewArrayListEmpty() {