?.value
    }

  val subjectAlternativeNames: Extension?
    get() {
      return tbsCertificate.extensions.firstOrNull {
        it.id == ObjectIdentifiers.SUBJECT_ALTERNATIVE_NAME
      }
    }

  val basicConstraints: Extension
    get() {
      return tbsCertificate.extensions.first {
        it.id == ObjectIdentifiers.BASIC_CONSTRAINTS
      }
    }

      null, "" -> null
      else -> protocol
    }
  }

  override fun configureTlsExtensions(
    sslSocket: SSLSocket,
    hostname: String?,
    protocols: List<Protocol>,
  ) {
    // No TLS extensions if the socket class is custom.
    if (matchesSocket(sslSocket)) {
      val bcSocket = sslSocket as BCSSLSocket

      val sslParameters = bcSocket.parameters

      // Enable ALPN.

      if (e.javaClass.name != "java.lang.reflect.InaccessibleObjectException") {
        throw e
      }

      null
    }
  }

  /**
   * Configure TLS extensions on `sslSocket` for `route`.
   */
  open fun configureTlsExtensions(
    sslSocket: SSLSocket,
    hostname: String?,
    protocols: List<@JvmSuppressWildcards Protocol>,
  ) {
  }

 * Sec-WebSocket-Extensions: permessage-deflate; client_max_window_bits=15
 * Sec-WebSocket-Extensions: permessage-deflate; client_no_context_takeover
 * Sec-WebSocket-Extensions: permessage-deflate; server_max_window_bits="15"
 * Sec-WebSocket-Extensions: permessage-deflate; server_max_window_bits=15
 * Sec-WebSocket-Extensions: permessage-deflate; server_no_context_takeover
 * Sec-WebSocket-Extensions: permessage-deflate; server_no_context_takeover;

    assertThat(CertificateAdapters.extension.toDer(extension))
      .isEqualTo(bytes)
    assertThat(CertificateAdapters.extension.fromDer(bytes))
      .isEqualTo(extension)
  }

  @Test fun `extension with unknown type hint`() {
    val extension =
      Extension(
        // common name is not an extension.
        COMMON_NAME,
        false,
        "3006800109810109".decodeHex(),
      )

import okio.ByteString.Companion.encodeUtf8
import okio.ByteString.Companion.toByteString
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.extension.AfterEachCallback
import org.junit.jupiter.api.extension.ExtensionContext
import org.junit.jupiter.api.extension.RegisterExtension

class WebSocketWriterTest {
  private val data = Buffer()
  private val random = Random(0)

  /**

 * 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() {

import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import okhttp3.testing.PlatformRule
import okhttp3.testing.PlatformVersion
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.extension.RegisterExtension

/**
 * Java HTTP Client.
 *
 * https://openjdk.java.net/groups/net/httpclient/intro.html
 *
 * Baseline test if we ned to validate OkHttp behaviour against other popular clients.
 */

import okhttp3.tls.HeldCertificate
import org.junit.jupiter.api.Assertions.assertEquals
import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.Disabled
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.extension.RegisterExtension
import org.openjsse.sun.security.ssl.SSLSocketFactoryImpl
import org.openjsse.sun.security.ssl.SSLSocketImpl

class OpenJSSETest {
  @JvmField @RegisterExtension
  var platform = PlatformRule()

import okhttp3.tls.HandshakeCertificates
import okhttp3.tls.HeldCertificate
import okhttp3.tls.internal.TlsUtil.localhost
import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.extension.RegisterExtension

class MockResponseSniTest {
  @RegisterExtension
  val clientTestRule = OkHttpClientTestRule()

  @RegisterExtension
  val platform = PlatformRule()