operator.write(3, buffer2, 7)
    assertThat(buffer2.readUtf8()).isEqualTo("!")
    assertThat<ByteString>(snapshot()).isEqualTo("Helicopter".encodeUtf8())
  }

  @Test
  fun readAndWrite() {
    val operator =
      FileOperator(
        randomAccessFile!!.getChannel(),
      )
    write("woman god creates dinosaurs destroys. ".encodeUtf8())
    val buffer = Buffer()