data.write("810548656c".decodeHex()) // Length = 5, "Hel"
    assertFailsWith<EOFException> {
      clientReader.processNextFrame()
    }
  }

  @Test fun clientUncompressedMessageWithCompressedFlagThrows() {
    data.write("c10548656c6c6f".decodeHex()) // Uncompressed 'Hello', flag 1 set
    assertFailsWith<IOException> {
      clientReaderWithCompression.processNextFrame()
    }
  }