val multipart = MultipartBody.Builder()
    assertFailsWith<IllegalArgumentException> {
      multipart.addPart(
        headersOf("Content-Type", "text/plain"),
        "Hello, World!".toRequestBody(null),
      )
    }
  }

  @Test
  fun contentLengthHeaderIsForbidden() {
    val multipart = MultipartBody.Builder()
    assertFailsWith<IllegalArgumentException> {
      multipart.addPart(

import assertk.assertThat
import assertk.assertions.contains
import assertk.assertions.hasMessage
import assertk.assertions.isEmpty
import assertk.assertions.isEqualTo
import java.io.IOException
import kotlin.test.assertFailsWith
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.Protocol
import okhttp3.Request
import okhttp3.Response
import okhttp3.ResponseBody.Companion.toResponseBody
import okhttp3.brotli.internal.uncompress

 * limitations under the License.
 */
package okhttp3.internal.http

import assertk.assertThat
import assertk.assertions.isEqualTo
import java.net.ProtocolException
import kotlin.test.assertFailsWith
import okhttp3.Protocol
import okhttp3.internal.http.StatusLine.Companion.parse
import org.junit.jupiter.api.Test

class StatusLineTest {
  @Test
  fun parse() {
    val message = "Temporary Redirect"

import assertk.assertions.isNull
import assertk.assertions.isTrue
import java.io.File
import java.io.IOException
import java.util.concurrent.Callable
import java.util.concurrent.Executors
import kotlin.test.assertFailsWith
import okhttp3.TestUtil.threadFactory
import okhttp3.internal.cache2.Relay.Companion.edit
import okhttp3.internal.cache2.Relay.Companion.read
import okio.Buffer
import okio.ByteString

 * limitations under the License.
 */
package okhttp3

import assertk.assertThat
import assertk.assertions.isEqualTo
import assertk.assertions.isNull
import kotlin.test.Test
import kotlin.test.assertFailsWith
import okhttp3.ResponseBody.Companion.asResponseBody
import okio.Buffer
import okio.ByteString.Companion.EMPTY
import okio.Source
import okio.Timeout
import okio.buffer

class ResponseCommonTest {

import java.net.Proxy
import java.net.UnknownHostException
import java.time.Duration
import java.util.Arrays
import java.util.concurrent.CountDownLatch
import java.util.concurrent.TimeUnit
import kotlin.test.assertFailsWith
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.SocketPolicy.DisconnectDuringRequestBody
import mockwebserver3.SocketPolicy.DisconnectDuringResponseBody

import java.net.Inet6Address
import java.net.InetAddress
import java.net.Socket
import java.util.concurrent.CountDownLatch
import java.util.concurrent.TimeUnit
import javax.net.SocketFactory
import kotlin.test.assertFailsWith
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.SocketPolicy.ResetStreamAtStart
import okhttp3.internal.http2.ErrorCode
import okhttp3.testing.Flaky

import javax.net.ssl.KeyManager
import javax.net.ssl.SSLHandshakeException
import javax.net.ssl.SSLPeerUnverifiedException
import javax.net.ssl.SSLSocketFactory
import javax.net.ssl.TrustManager
import kotlin.test.assertFailsWith
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.SocketPolicy.DisconnectAtEnd
import okhttp3.CertificatePinner
import okhttp3.CertificatePinner.Companion.pin

import java.util.concurrent.TimeUnit
import java.util.concurrent.TimeoutException
import java.util.concurrent.atomic.AtomicReference
import javax.net.ssl.SSLException
import kotlin.test.assertFailsWith
import mockwebserver3.Dispatcher
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.PushPromise
import mockwebserver3.QueueDispatcher
import mockwebserver3.RecordedRequest

import assertk.assertions.containsExactly
import assertk.assertions.hasMessage
import assertk.assertions.isEqualTo
import java.io.IOException
import java.net.UnknownServiceException
import kotlin.test.assertFailsWith
import okhttp3.FakeRoutePlanner
import okhttp3.FakeRoutePlanner.ConnectState.TLS_CONNECTED
import okhttp3.internal.concurrent.TaskFaker
import org.junit.jupiter.api.AfterEach
import org.junit.jupiter.api.Test

/**