return
          }

          // Apply the extensions. If they're unacceptable initiate a graceful shut down.
          // TODO(jwilson): Listeners should get onFailure() instead of onClosing() + onClosed(1010).
          val extensions = WebSocketExtensions.parse(response.headers)
          this@RealWebSocket.extensions = extensions
          if (!extensions.isValid()) {
            synchronized(this@RealWebSocket) {

    jvmArgs(
      "-Dokhttp.platform=$platform",
    )

    if (platform == "loom") {
      jvmArgs(
        "-Djdk.tracePinnedThreads=short",
      )
    }

    val javaToolchains = project.extensions.getByType<JavaToolchainService>()
    javaLauncher.set(javaToolchains.launcherFor {
      languageVersion.set(JavaLanguageVersion.of(testJavaVersion))
    })

    newWebSocket(
      Request.Builder()
        .url(webServer.url("/"))
        .header("Sec-WebSocket-Extensions", "permessage-deflate")
        .build(),
    )
    clientListener.assertFailure(
      ProtocolException::class.java,
      "Request header not permitted: 'Sec-WebSocket-Extensions'",
    )
  }

  @Test
  fun webSocketAndApplicationInterceptors() {
    val interceptedCount = AtomicInteger()

  }

  jvmArgs(
    "-Dokhttp.platform=$platform",
  )

  if (platform == "loom") {
    jvmArgs(
      "-Djdk.tracePinnedThreads=short",
    )
  }

  val javaToolchains = project.extensions.getByType<JavaToolchainService>()
  javaLauncher.set(javaToolchains.launcherFor {
    languageVersion.set(JavaLanguageVersion.of(testJavaVersion))
  })
}

dependencies {
  api(projects.okhttp)

 * limitations under the License.
 */
package okhttp3.testing

import okhttp3.internal.platform.Platform
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.extension.RegisterExtension

/**
 * Validates which environment is used by the IDE.
 */
class PlatformRuleTest {
  @RegisterExtension @JvmField
  val platform = PlatformRule()

  @Test
  fun testMode() {

    assertThat(client.processNextFrame()).isTrue()
    client.listener.assertTextMessage(message)
  }

  @Test
  fun messagesCompressedWhenConfigured() {
    val headers = headersOf("Sec-WebSocket-Extensions", "permessage-deflate")
    client.initWebSocket(random, responseHeaders = headers)
    server.initWebSocket(random, responseHeaders = headers)
    val message = repeat('a', RealWebSocket.DEFAULT_MINIMUM_DEFLATE_SIZE.toInt())

        taskRunner = taskRunner,
        originalRequest = request,
        listener = listener,
        random = Random(),
        pingIntervalMillis = pingIntervalMillis.toLong(),
        // extensions is always null for clients:
        extensions = null,
        minimumDeflateSize = minWebSocketMessageToCompress,
        webSocketCloseTimeout = webSocketCloseTimeout.toLong(),
      )
    webSocket.connect(this)
    return webSocket

==========

## Version 4.x

See [4.x Change log](https://square.github.io/okhttp/changelogs/changelog_4x/) for the stable version changelogs.

## Version 5.0.0-alpha.14

_2024-04-17_

 *  Breaking: Move coroutines extensions to okhttp3.coroutines. Previously this artifact shared the
    `okhttp3` package name with our core module, which is incompatible with the Java Platform Module
    System.

        taskRunner = taskRunner,
        originalRequest = fancyRequest,
        listener = webSocketResponse.webSocketListener!!,
        random = SecureRandom(),
        pingIntervalMillis = 0,
        extensions = WebSocketExtensions.parse(webSocketResponse.headers),
        // Compress all messages if compression is enabled.
        minimumDeflateSize = 0L,
        webSocketCloseTimeout = RealWebSocket.CANCEL_AFTER_CLOSE_MILLIS,

import okhttp3.testing.PlatformRule
import okio.ByteString.Companion.toByteString
import org.junit.jupiter.api.AfterEach
import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.extension.RegisterExtension

class HandshakeCertificatesTest {
  @RegisterExtension
  var platform = PlatformRule()

  private lateinit var executorService: ExecutorService

  private var serverSocket: ServerSocket? = null