assertThat(data2.type).isEqualTo(Http2.TYPE_DATA)
    assertThat(data2.streamId).isEqualTo(3)
    assertArrayEquals("fghi".toByteArray(), data2.data)
  }

  /**
   * Confirm that we account for discarded data frames. It's possible that data frames are in-flight
   * just prior to us canceling a stream.
   */
  @Test fun discardedDataFramesAreCounted() {
    // Write the mocking script.

    redQueue.execute("task") {
      log += "run@${taskFaker.nanoTime}"
    }

    val idleLatch = redQueue.idleLatch()
    assertThat(idleLatch.count).isEqualTo(1)

    taskFaker.advanceUntil(0.µs)
    assertThat(log).containsExactly("run@0")

    assertThat(idleLatch.count).isEqualTo(0)
  }

  @Test fun multipleCallsToIdleLatchReturnSameInstance() {
    redQueue.execute("task") {