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// http://www.auda.org.au/
au
// 2LDs
com.au
net.au
org.au
edu.au
gov.au
asn.au
id.au
// Historic 2LDs (closed to new registration, but sites still exist)
info.au
conf.au
oz.au
// CGDNs - http://www.cgdn.org.au/
act.au
nsw.au
nt.au
qld.au
sa.au
tas.au
vic.au
wa.au
// 3LDs
act.edu.au
catholic.edu.au

A76D          ; valid                                  # 5.1  LATIN SMALL LETTER IS
A76E          ; mapped                 ; A76F          # 5.1  LATIN CAPITAL LETTER CON
A76F          ; valid                                  # 5.1  LATIN SMALL LETTER CON
A770          ; mapped                 ; A76F          # 5.1  MODIFIER LETTER US
A771..A778    ; valid                                  # 5.1  LATIN SMALL LETTER DUM..LATIN SMALL LETTER UM

    req.start()
    return completableFuture
  }

  @Test
  fun urlConnection() {
    val conn = engine.openConnection(URL("https://google.com/robots.txt")) as HttpURLConnection

    val text =
      conn.inputStream.use {
        it.bufferedReader().readText()
      }

    assertEquals(200, conn.responseCode)

    assertTrue(text.contains("Disallow"))
  }

 * They don't specify whether a specific proxy server should be used or how to authenticate with that proxy server.

    path: String,
    responseCode: AtomicInteger,
  ): Thread {
    return Thread {
      val url = mockWebServer.url(path).toUrl()
      val conn: HttpURLConnection
      try {
        conn = url.openConnection() as HttpURLConnection
        responseCode.set(conn.responseCode) // Force the connection to hit the "server".
      } catch (ignored: IOException) {
      }
    }
  }