import javax.net.ssl.SSLPeerUnverifiedException
import okhttp3.internal.filterList
import okhttp3.internal.tls.CertificateChainCleaner
import okhttp3.internal.toCanonicalHost
import okio.ByteString
import okio.ByteString.Companion.decodeBase64
import okio.ByteString.Companion.toByteString

/**
 * Constrains which certificates are trusted. Pinning certificates defends against attacks on

import java.net.ProtocolException
import java.security.cert.CertificateException
import javax.net.ssl.SSLException
import javax.net.ssl.SSLHandshakeException
import javax.net.ssl.SSLPeerUnverifiedException
import okio.IOException

/** Returns true if a TLS connection should be retried after [e]. */
fun retryTlsHandshake(e: IOException): Boolean =
  when {
    // If there was a protocol problem, don't recover.

import java.util.concurrent.CountDownLatch
import java.util.concurrent.TimeUnit
import java.util.concurrent.atomic.AtomicLong
import java.util.concurrent.atomic.AtomicReference
import okhttp3.internal.USER_AGENT
import okio.ByteString

/**
 * Exercises the web socket implementation against the
 * [Autobahn Testsuite](http://autobahn.ws/testsuite/).
 */
class AutobahnTester {
  val client = OkHttpClient()

 * limitations under the License.
 */
package okhttp3.internal.http2

import okhttp3.SimpleProvider
import okhttp3.internal.http2.hpackjson.Case
import okhttp3.internal.http2.hpackjson.Story
import okio.Buffer
import org.junit.jupiter.api.Assumptions.assumeFalse
import org.junit.jupiter.params.ParameterizedTest
import org.junit.jupiter.params.provider.ArgumentsSource

/**
 * Tests for round-tripping headers through hpack.

import java.io.IOException
import okhttp3.HttpUrl.Companion.toHttpUrl
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.OkHttpClient
import okhttp3.Request
import okhttp3.RequestBody
import okio.BufferedSink

class PostStreaming {
  private val client = OkHttpClient()

  fun run() {
    val requestBody =
      object : RequestBody() {
        override fun contentType() = MEDIA_TYPE_MARKDOWN

import javax.net.ssl.SSLSocket
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.junit5.StartStop
import okhttp3.testing.PlatformRule
import okhttp3.testing.PlatformVersion
import okio.ByteString.Companion.toByteString
import org.junit.jupiter.api.Assertions.assertEquals
import org.junit.jupiter.api.Assertions.assertNotEquals
import org.junit.jupiter.api.Assumptions.assumeTrue

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3

import okio.IOException

/**
 * Protocols that OkHttp implements for [ALPN][ietf_alpn] selection.
 *
 * ## Protocol vs Scheme
 *
 * Despite its name, [java.net.URL.getProtocol] returns the [scheme][java.net.URI.getScheme] (http,

 */
package okhttp3.internal.http2

import assertk.assertThat
import assertk.assertions.isEqualTo
import okhttp3.internal.http2.hpackjson.HpackJsonUtil
import okhttp3.internal.http2.hpackjson.Story
import okio.Buffer

/**
 * Tests Hpack implementation using https://github.com/http2jp/hpack-test-case/
 */
open class HpackDecodeTestBase {
  private val bytesIn = Buffer()
  private val hpackReader = Hpack.Reader(bytesIn, 4096)

import okhttp3.internal.http.CancelTest.ConnectionType.H2
import okhttp3.internal.http.CancelTest.ConnectionType.HTTP
import okhttp3.internal.http.CancelTest.ConnectionType.HTTPS
import okhttp3.testing.PlatformRule
import okio.Buffer
import okio.BufferedSink
import org.junit.jupiter.api.Assertions.assertEquals
import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.Tag
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.Timeout

import kotlin.test.assertFailsWith
import okhttp3.dnsoverhttps.DnsRecordCodec.TYPE_A
import okhttp3.dnsoverhttps.DnsRecordCodec.TYPE_AAAA
import okhttp3.dnsoverhttps.DnsRecordCodec.decodeAnswers
import okio.ByteString.Companion.decodeHex
import org.junit.jupiter.api.Test

class DnsRecordCodecTest {
  @Test
  fun testGoogleDotComEncoding() {
    val encoded = encodeQuery("google.com", TYPE_A)