}

  private fun cancelLater(
    call: Call,
    delayMillis: Int,
  ): CountDownLatch {
    val latch = CountDownLatch(1)
    Thread {
      sleep(delayMillis)
      if (cancelMode == CANCEL) {
        call.cancel()
      } else {
        threadToCancel!!.interrupt()
      }
      latch.countDown()
    }.apply { start() }
    return latch
  }

  companion object {

  override fun connectTcp() = error("already connected")

  override fun connectTlsEtc() = error("already connected")

  override fun handleSuccess() = connection

  override fun cancel() = error("unexpected cancel")

  override fun retry() = error("unexpected retry")

  @Throws(IOException::class)
  fun peekTrailers(): Headers?

  /**
   * Cancel this stream. Resources held by this stream will be cleaned up, though not synchronously.
   * That may happen later by the connection pool thread.
   */
  fun cancel()

  /**
   * Carries an exchange. This is usually a connection, but it could also be a connect plan for

    /**
     * Last fragment flag - indicates last fragment of a multi-fragment message
     */
    int DCERPC_LAST_FRAG = 0x02; /* Last fragment */
    /**
     * Pending cancel flag - indicates cancel was pending at sender
     */
    int DCERPC_PENDING_CANCEL = 0x04; /* Cancel was pending at sender */
    /**
     * Reserved flag for future use
     */
    int DCERPC_RESERVED_1 = 0x08;
    /**
     * Supports concurrent multiplexing flag

        .initializer(
          """
          |%T(⇥
          |sections = "%L",
          |ranges = "%L",
          |mappings = "%L",
          |⇤)
          """.trimMargin(),
          idnaMappingTable,
          data.sections.escapeDataString(),
          data.ranges.escapeDataString(),
          data.mappings.escapeDataString(),
        ).build(),
    ).build()
}

/**

1100..1159    ; valid                  ;      ; NV8    # 1.1  HANGUL CHOSEONG KIYEOK..HANGUL CHOSEONG YEORINHIEUH
115A..115E    ; valid                  ;      ; NV8    # 5.2  HANGUL CHOSEONG KIYEOK-TIKEUT..HANGUL CHOSEONG TIKEUT-RIEUL
115F..1160    ; disallowed                             # 1.1  HANGUL CHOSEONG FILLER..HANGUL JUNGSEONG FILLER
1161..11A2    ; valid                  ;      ; NV8    # 1.1  HANGUL JUNGSEONG A..HANGUL JUNGSEONG SSANGARAEA

          .body("abc")
          .build(),
      )

      val call = client.newCall(request)

      assertFailsWith<IOException> {
        call.executeAsync().use {
          call.cancel()
          withContext(Dispatchers.IO) {
            it.body.string()
          }
        }
      }

      assertThat(call.isCanceled()).isTrue()
    }
  }

  @Test

that by default Kotlin's Dispatchers are not used.

Cancellation if implemented sensibly in both directions.
Cancelling a coroutine scope, will cancel the call.
Cancelling a call, will throw a CancellationException

            constructor.setAccessible(true);
            SmbComNtCancel cancel = constructor.newInstance(config, testMid);

            // Then
            assertNotNull(cancel);
            assertEquals(testMid, cancel.getMid());
            assertTrue(cancel.isCancel());
        }
    }

    @Nested
    @DisplayName("Method Behavior Tests")

   * if a socket connection is being established, that is terminated.
   */
  override fun cancel() {
    if (canceled) return // Already canceled.

    canceled = true
    exchange?.cancel()
    for (plan in plansToCancel) {
      plan.cancel()
    }

    eventListener.canceled(this)
  }

  override fun isCanceled(): Boolean = canceled