"b4495fb4376",
    )
  }

  @Test fun serverEmptyClose() {
    serverWriter.writeClose(0, null)
    assertData("8800")
  }

  @Test fun serverCloseWithCode() {
    serverWriter.writeClose(1001, null)
    assertData("880203e9")
  }

  @Test fun serverCloseWithCodeAndReason() {

  }

  @Test fun clientTwoFrameHelloWithPongs() {
    data.write("010348656c".decodeHex()) // Hel
    data.write("8a00".decodeHex()) // Pong
    data.write("8a00".decodeHex()) // Pong
    data.write("8a00".decodeHex()) // Pong
    data.write("8a00".decodeHex()) // Pong
    data.write("80026c6f".decodeHex()) // lo
    clientReader.processNextFrame()
    callback.assertPong(EMPTY)

    server.listener.assertClosing(1000, "Bye!")
    server.webSocket!!.finishReader()
    server.listener.assertClosed(1000, "Bye!")
  }

  @Test
  fun emptyCloseInitiatesShutdown() {
    server.sink.write("8800".decodeHex()).emit() // Close without code.
    client.processNextFrame()
    client.listener.assertClosing(1005, "")
    client.webSocket!!.finishReader()
    assertThat(client.webSocket!!.close(1000, "Bye!")).isTrue()

    // IPv6 colons don't interfere with port numbers or passwords.
    assertThat(parse("http://[::1]:8080/").port).isEqualTo(8080)
    assertThat(parse("http://user:password@[::1]/").password).isEqualTo("password")
    assertThat(parse("http://user:password@[::1]:8080/").host).isEqualTo("::1")

    // Permit the contents of IPv6 addresses to be percent-encoded...

    assertFailsWith<ProtocolException> {
      Adapters.UTC_TIME.fromDer("17113139313231353139303231302d30383030".decodeHex())
    }.also { expected ->
      assertThat(expected).hasMessage("Failed to parse UTCTime 191215190210-0800")
    }
  }

  @Test fun `utc time`() {
    val bytes = "170d3139313231363033303231305a".decodeHex()
    val utcTime = date("2019-12-16T03:02:10.000+0000").time

          override fun encode(
            writer: DerWriter,
            value: String,
          ) = writer.writeUtf8(value)
        },
    )

  /**
   * A timestamp like "191216030210Z" or "191215190210-0800" for 2019-12-15T19:02:10-08:00. The
   * cutoff of the 2-digit year is 1950-01-01T00:00:00Z.
   */
  val UTC_TIME =
    BasicDerAdapter(
      name = "UTC TIME",
      tagClass = DerHeader.TAG_CLASS_UNIVERSAL,

    val body = "\u0800".toRequestBody(contentType)
    assertThat(body.contentType()).isEqualTo(contentType)
    assertThat(body.contentLength()).isEqualTo(2)
    assertThat(bodyToHex(body)).isEqualTo("0800")
  }

  @Test
  fun byteArray() {
    val contentType = "text/plain".toMediaType()
    val body: RequestBody = "abc".toByteArray().toRequestBody(contentType)

   * `https://square.com/`. The result is in `[1..65535]`.
   *
   * | URL                 | `port()` |
   * | :------------------ | :------- |
   * | `http://host/`      | `80`     |
   * | `http://host:8000/` | `8000`   |
   * | `https://host/`     | `443`    |
   */
  @get:JvmName("port") val port: Int,
  /**
   * A list of path segments like `["a", "b", "c"]` for the URL `http://host/a/b/c`. This list is

import org.junit.jupiter.api.Assumptions.assumeTrue

object TestUtil {
  @JvmField
  val UNREACHABLE_ADDRESS_IPV4 = InetSocketAddress("198.51.100.1", 8080)
  val UNREACHABLE_ADDRESS_IPV6 = InetSocketAddress("::ffff:198.51.100.1", 8080)

  /** See `org.graalvm.nativeimage.ImageInfo`. */
  @JvmStatic val isGraalVmImage = System.getProperty("org.graalvm.nativeimage.imagecode") != null

  @JvmStatic

D7FC..D7FF    ; disallowed                             # NA   <reserved-D7FC>..<reserved-D7FF>
D800..DFFF    ; disallowed                             # 2.0  <surrogate-D800>..<surrogate-DFFF>
E000..F8FF    ; disallowed                             # 1.1  <private-use-E000>..<private-use-F8FF>