}

  @RetryingTest(5)
  @Flaky
  fun reachesIpv4AfterUnreachableIpv6Address() {
    dnsResults =
      listOf(
        TestUtil.UNREACHABLE_ADDRESS_IPV6.address,
        localhostIpv4,
      )
    serverIpv6.close()
    serverIpv4.enqueue(
      MockResponse(body = "hello from IPv4"),
    )

import mockwebserver3.junit5.StartStop
import okhttp3.Headers.Companion.headersOf
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.RequestBody.Companion.toRequestBody
import okhttp3.TestUtil.assertSuppressed
import okhttp3.internal.DoubleInetAddressDns
import okhttp3.internal.connection.RealConnection
import okhttp3.internal.connection.RealConnection.Companion.IDLE_CONNECTION_HEALTHY_NS

 * limitations under the License.
 */
package okhttp3

import assertk.assertThat
import assertk.assertions.isEqualTo
import mockwebserver3.MockWebServer
import mockwebserver3.junit5.StartStop
import okhttp3.TestUtil.assumeNetwork
import okhttp3.testing.PlatformRule
import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.extension.RegisterExtension

class BouncyCastleTest {

import assertk.assertions.isInstanceOf
import assertk.assertions.isNotNull
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.junit5.StartStop
import okhttp3.TestUtil.assumeNetwork
import okhttp3.internal.connectionAccessor
import okhttp3.internal.exchangeAccessor
import okhttp3.internal.platform.OpenJSSEPlatform
import okhttp3.testing.PlatformRule
import okhttp3.tls.HandshakeCertificates

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.lang;

import static org.codelibs.core.TestUtil.sameClass;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;

import javax.net.ssl.SSLSocket
import javax.net.ssl.SSLSocketFactory
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.junit5.StartStop
import okhttp3.TestUtil.assumeNetwork
import okhttp3.internal.connection
import okhttp3.testing.PlatformRule
import okhttp3.testing.PlatformVersion
import okio.ByteString.Companion.toByteString
import org.junit.jupiter.api.Assertions.assertEquals

import kotlin.test.assertFailsWith
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.junit5.StartStop
import okhttp3.MediaType.Companion.toMediaTypeOrNull
import okhttp3.TestUtil.repeat
import okhttp3.testing.Flaky
import okio.BufferedSink
import org.junit.jupiter.api.Tag
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.Timeout

import mockwebserver3.junit5.StartStop
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.RequestBody.Companion.toRequestBody
import okhttp3.ResponseBody.Companion.toResponseBody
import okhttp3.TestUtil.assertSuppressed
import okio.Buffer
import okio.BufferedSink
import okio.ForwardingSink
import okio.ForwardingSource
import okio.GzipSink
import okio.Sink
import okio.Source
import okio.buffer

import okhttp3.Protocol
import okhttp3.RecordingEventListener
import okhttp3.RecordingHostnameVerifier
import okhttp3.Request
import okhttp3.Response
import okhttp3.TestLogHandler
import okhttp3.TestUtil.assumeNotWindows
import okhttp3.TestUtil.repeat
import okhttp3.WebSocket
import okhttp3.WebSocketListener
import okhttp3.internal.UnreadableResponseBody
import okhttp3.internal.concurrent.TaskRunner

import okhttp3.OkHttpClient
import okhttp3.OkHttpClientTestRule
import okhttp3.Protocol
import okhttp3.Request
import okhttp3.RequestBody.Companion.toRequestBody
import okhttp3.Response
import okhttp3.TestUtil.assumeNotWindows
import okhttp3.testing.PlatformRule
import org.junit.jupiter.api.Assertions.fail
import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.Test