assertData("888760b420bb635d68de0cd84f")
  }

  @Test fun closeWithOnlyReasonThrows() {
    clientWriter.writeClose(0, "Hello".encodeUtf8())
    assertData("888760b420bb60b468de0cd84f")
  }

  @Test fun closeCodeOutOfRangeThrows() {
    assertFailsWith<IllegalArgumentException> {
      clientWriter.writeClose(98724976, "Hello".encodeUtf8())
    }.also { expected ->