}
  }

  // Example taken from twitter/hpack DecoderTest.testInsidiousIndex
  @Test
  fun readIndexedHeaderFieldInsidiousIndex() {
    bytesIn.writeByte(0xff) // == Indexed - Add ==
    bytesIn.write("8080808008".decodeHex()) // idx = -2147483521
    assertFailsWith<IOException> {
      hpackReader!!.readHeaders()
    }.also { expected ->
      assertThat(expected.message).isEqualTo("Header index too large -2147483521")
    }