data.write("8a8537fa213d7f9f4d".decodeHex()) // Length = 5, "Hel"
    assertFailsWith<EOFException> {
      serverReader.processNextFrame()
    }
  }

  @Test fun clientSimpleBinary() {
    val bytes = binaryData(256)
    data.write("827E0100".decodeHex()).write(bytes)
    clientReader.processNextFrame()
    callback.assertBinaryMessage(bytes)
  }