operator.write(0, buffer1, 5)
    assertThat(buffer1.readUtf8()).isEqualTo(", World")
    val buffer2 = Buffer().writeUtf8("icopter!")
    operator.write(3, buffer2, 7)
    assertThat(buffer2.readUtf8()).isEqualTo("!")
    assertThat<ByteString>(snapshot()).isEqualTo("Helicopter".encodeUtf8())
  }

  @Test
  fun readAndWrite() {
    val operator =
      FileOperator(
        randomAccessFile!!.getChannel(),
      )

    val call = client.newCall(request)
    val response1 = call.execute()

    val cloned = call.clone()
    val response2 = cloned.execute()

    assertThat("abc").isEqualTo(response1.body.string())
    assertThat("def").isEqualTo(response2.body.string())
  }

  @Test
  @Flaky
  fun testMockWebserverRequest() {
    enableTls()

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

      cache.evictAll()
      assertThat(cache.size()).isEqualTo(expectedByteCount)
      assertThat(readFileOrNull(getCleanFile("a", 0))).isEqualTo(afterRemoveFileContents)
      assertThat(readFileOrNull(getCleanFile("a", 1))).isEqualTo(afterRemoveFileContents)
      it.assertValue(1, "a")
    }
    assertThat(cache.size()).isEqualTo(0L)
  }

  @ParameterizedTest

      assertThat(it.protocol).isEqualTo(Protocol.HTTP_2)
      assertThat(it.handshake!!.tlsVersion).isEqualTo(TlsVersion.TLS_1_3)
    }
  }

  @Test
  @Disabled
  fun testGoogle() {
    assumeNetwork()

    val request = Request.Builder().url("https://google.com/robots.txt").build()

    client.newCall(request).execute().use {
      assertThat(it.protocol).isEqualTo(Protocol.HTTP_2)

    val response = request.send()
    assertThat(response.status).isEqualTo(200)
    assertThat(response.contentAsString).isEqualTo("hello, Jetty HTTP Client")

    val recorded = server.takeRequest()
    assertThat(recorded.headers["Accept"]).isEqualTo("text/plain")
    assertThat(recorded.headers["Accept-Encoding"]).isEqualTo("gzip")
    assertThat(recorded.headers["Connection"]).isNull()

    assertThat(stringPrep("a\u00ADz")).isEqualTo("az")
    assertThat(stringPrep("a\u200Dz")).isEqualTo("az")
  }

  @Test fun caseFolding() {
    assertThat(stringPrep("localhost")).isEqualTo("localhost")
    assertThat(stringPrep("Localhost")).isEqualTo("localhost")
    assertThat(stringPrep("LOCALHOST")).isEqualTo("localhost")
    assertThat(stringPrep("abc123def")).isEqualTo("abc123def")

    assertThat(response1.body.string()).isEqualTo("abc")
    val request2 = Request.Builder().url(server.url("/")).build()
    val response2 = client.newCall(request2).execute()
    assertThat(response2.body.string()).isEqualTo("def")

    // The HTTP calls should share a single connection.
    assertThat(socksProxy.connectionCount()).isEqualTo(1)
  }

  @Test
  fun proxySelector() {

      assertThat(it.protocol).isEqualTo(Protocol.HTTP_2)
      assertThat(it.handshake!!.tlsVersion).isEqualTo(TlsVersion.TLS_1_3)
    }
  }

  @Test
  @Disabled
  fun testGoogle() {
    assumeNetwork()

    val request = Request.Builder().url("https://google.com/robots.txt").build()

    client.newCall(request).execute().use {
      assertThat(it.protocol).isEqualTo(Protocol.HTTP_2)

      assertThat(expected.message)
        .isEqualTo("Control frames must be final.")
    }
  }

  @Test fun reservedFlag1IsUnsupportedWithNoCompression() {
    data.write("ca00".decodeHex()) // Empty pong, flag 1 set.
    assertFailsWith<ProtocolException> {
      clientReader.processNextFrame()
    }.also { expected ->
      assertThat(expected.message).isEqualTo("Unexpected rsv1 flag")
    }
  }

  @Test
  fun javaName_examples() {
    assertThat(CipherSuite.TLS_RSA_EXPORT_WITH_RC4_40_MD5.javaName)
      .isEqualTo("SSL_RSA_EXPORT_WITH_RC4_40_MD5")
    assertThat(CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA256.javaName)
      .isEqualTo("TLS_RSA_WITH_AES_128_CBC_SHA256")
    assertThat(forJavaName("TestCipherSuite").javaName)
      .isEqualTo("TestCipherSuite")
  }

  @Test
  fun javaName_equalsToString() {