randomAccessFile!!.getChannel(),
      )
    val buffer = Buffer()
    assertFailsWith<IndexOutOfBoundsException> {
      operator.read(0, buffer, -1L)
    }
  }

  @Test
  fun writeBounds() {
    val operator =
      FileOperator(
        randomAccessFile!!.getChannel(),
      )
    val buffer = Buffer().writeUtf8("abc")
    assertFailsWith<IndexOutOfBoundsException> {