}

  fun acceptFrame() {
    frameCount++
  }

  /** Maximum length of an outbound data frame.  */
  fun maxOutboundDataLength(): Int = writer.maxDataLength()

  /** Count of frames sent or received.  */
  fun frameCount(): Int = frameCount

  fun sendFrame(): Http2Writer {
    outFrames.add(OutFrame(frameCount++, bytesOut.size, false))
    return writer
  }

  /**

    assertThat(requestedHosts).containsExactly(*expectedHosts)
    requestedHosts.clear()
  }

  /** Allocates and returns `count` fake IPv4 addresses like [255.0.0.100, 255.0.0.101].  */
  fun allocate(count: Int): List<InetAddress> {
    val from = nextAddress
    nextAddress += count
    return (from until nextAddress)
      .map {
        return@map InetAddress.getByAddress(

  internal class StoriesTestProvider : SimpleProvider() {
    override fun arguments(): List<Any> = createStories(RAW_DATA)
  }

  private val bytesOut = Buffer()
  private val hpackWriter = Hpack.Writer(out = bytesOut)

  @ParameterizedTest
  @ArgumentsSource(StoriesTestProvider::class)
  fun testRoundTrip(story: Story) {
    assumeFalse(
      story === Story.MISSING,
      "Test stories missing, checkout git submodule",

 * limitations under the License.
 */
package okhttp3

import java.io.IOException
import java.util.concurrent.TimeUnit

/**
 * Observes, modifies, and potentially short-circuits requests going out and the corresponding
 * responses coming back in. Typically interceptors add, remove, or transform headers on the request
 * or response.
 *

   *     take any event class.
   * @param elapsedMs the time in milliseconds elapsed since the immediately-preceding event, or
   *     -1L to take any duration.
   */
  fun takeEvent(
    eventClass: Class<out ConnectionEvent>? = null,
    elapsedMs: Long = -1L,
  ): ConnectionEvent {
    val result = eventSequence.remove()
    val actualElapsedNs = result.timestampNs - (lastTimestampNs ?: result.timestampNs)

        ),
      )

    call.execute().use { response ->
      assertThat(response.body.string()).isEqualTo("abc")
    }

    val expectedEvents = mutableListOf<String>()
    // Start out with standard events...
    expectedEvents += "CallStart"
    expectedEvents += "ProxySelectStart"
    expectedEvents += "ProxySelectEnd"
    expectedEvents += "DnsStart"
    expectedEvents += "DnsEnd"

  }

  override fun checkServerTrusted(
    chain: Array<out X509Certificate>,
    authType: String,
  ) = throw CertificateException("Unsupported operation")

  override fun checkClientTrusted(
    chain: Array<out X509Certificate>,
    authType: String?,
  ) = throw CertificateException("Unsupported operation")

  override fun checkClientTrusted(
    chain: Array<out X509Certificate>,
    authType: String,
    engine: SSLEngine?,

    )
    val expected = "a%2B%3D%26+b=c%2B%3D%26+d&space%2C+the=final+frontier&%2525=%2525"
    assertThat(body.contentLength()).isEqualTo(expected.length.toLong())
    val out = Buffer()
    body.writeTo(out)
    assertThat(out.readUtf8()).isEqualTo(expected)
  }

  @Test
  fun addEncoded() {
    val body =
      FormBody.Builder()
        .addEncoded("a+=& b", "c+=& d")
        .addEncoded("e+=& f", "g+=& h")

      Thread.sleep(250)
      backend.shutdown()
      return@schedule -1L
    }

    assertThat(queue.idleLatch().await(500L, TimeUnit.MILLISECONDS)).isTrue()
    assertThat(queue.idleLatch().count).isEqualTo(0)
  }

    if (cancel) {
      cancel = false
      eventSource.cancel()
    }
  }

  private fun nextEvent(): Any {
    return events.poll(10, TimeUnit.SECONDS)
      ?: throw AssertionError("Timed out waiting for event.")
  }

  fun assertExhausted() {
    assertThat(events).isEmpty()
  }

  fun assertEvent(
    id: String?,
    type: String?,
    data: String,
  ) {