FLAGS[prefixFlag or FLAG_PADDED] = FLAGS[prefixFlag] + "|PADDED"
    }

    FLAGS[FLAG_END_HEADERS] = "END_HEADERS" // Same as END_PUSH_PROMISE.
    FLAGS[FLAG_PRIORITY] = "PRIORITY" // Same as FLAG_COMPRESSED.
    FLAGS[FLAG_END_HEADERS or FLAG_PRIORITY] = "END_HEADERS|PRIORITY" // Only valid on HEADERS.
    val frameFlags = intArrayOf(FLAG_END_HEADERS, FLAG_PRIORITY, FLAG_END_HEADERS or FLAG_PRIORITY)

    assertThat(response.protocol).isEqualTo(protocol)
    val logs = testLogHandler.takeAll()
    assertThat(firstFrame(logs, "HEADERS")!!, "header logged")
      .contains("HEADERS       END_STREAM|END_HEADERS")
  }

  @Test
  fun emptyDataFrameSentWithEmptyBody() {
    server.enqueue(MockResponse(body = "ABC"))
    val call =
      client.newCall(
        Request
          .Builder()