assertEquals(hostNfcPunycode, "http://$hostNfcPunycode/".toHttpUrl().host)
    assertEquals(hostNfcPunycode, "http://$hostNfd/".toHttpUrl().host)
    if (isJvm) return // TODO: the rest of this test is broken on JVM platforms.
    assertInvalid("http://$hostNfdPunycode/", """Invalid URL host: "$hostNfdPunycode"""")
  }