assertThat(parse(unicode, "a=b; domain=長崎.jp")).isNull()
    val punycode = "https://xn--ue5a.xn--ue5a.xn--8ltr62k.jp".toHttpUrl()
    assertThat(parse(punycode, "a=b; domain=xn--ue5a.xn--8ltr62k.jp")).isNotNull()
    assertThat(parse(punycode, "a=b; domain=xn--8ltr62k.jp")).isNull()
  }

  @Test fun hostOnly() {
    assertThat(parse(url, "a=b")!!.hostOnly).isTrue()
    assertThat(

    checkPublicSuffix("xn--85x722f.com.cn", "xn--85x722f.com.cn")
    checkPublicSuffix("xn--85x722f.xn--55qx5d.cn", "xn--85x722f.xn--55qx5d.cn")
    checkPublicSuffix("www.xn--85x722f.xn--55qx5d.cn", "xn--85x722f.xn--55qx5d.cn")
    checkPublicSuffix("shishi.xn--55qx5d.cn", "shishi.xn--55qx5d.cn")
    checkPublicSuffix("xn--55qx5d.cn", null)
    checkPublicSuffix("xn--85x722f.xn--fiqs8s", "xn--85x722f.xn--fiqs8s")

      .isEqualTo("google.co.uk")
    assertThat("https://栃.栃木.jp".toHttpUrl().topPrivateDomain())
      .isEqualTo("xn--ewv.xn--4pvxs.jp")
    assertThat("https://xn--ewv.xn--4pvxs.jp".toHttpUrl().topPrivateDomain())
      .isEqualTo("xn--ewv.xn--4pvxs.jp")
    assertThat("https://co.uk".toHttpUrl().topPrivateDomain()).isNull()
    assertThat("https://square".toHttpUrl().topPrivateDomain()).isNull()

 */
package okhttp3.android

import okhttp3.HttpUrl.Companion.toHttpUrl
import org.junit.Assert.assertEquals
import org.junit.Test

class IdnaTest {
  @Test
  fun testHostnameFunction() {
    assertEquals("xn--n3h.net", "https://☃.net/robots.txt".toHttpUrl().host)
  }

  private static final InternetDomainName UNICODE_EXAMPLE =
      InternetDomainName.from("j\u00f8rpeland.no");
  private static final InternetDomainName PUNYCODE_EXAMPLE =
      InternetDomainName.from("xn--jrpeland-54a.no");

  /** The Greek letter delta, used in unicode testing. */
  private static final String DELTA = "\u0394";

        .Builder()
        .add("σkhttp.com", certA1Sha256Pin)
        .build()

    val expectedPin = listOf(Pin("σkhttp.com", certA1Sha256Pin))
    assertThat(certificatePinner.findMatchingPins("xn--khttp-fde.com")).isEqualTo(expectedPin)
  }

  /** https://github.com/square/okhttp/issues/3324  */
  @Test
  fun checkSubstringMatch() {
    val certificatePinner =
      CertificatePinner

    assertThat(parse("http://abcd").host).isEqualTo("abcd")
    assertThat(parse("http://σ").host).isEqualTo("xn--4xa")
  }

  @Test
  fun hostnameUppercaseCharactersConvertedToLowercase() {
    assertThat(parse("http://ABCD").host).isEqualTo("abcd")
    assertThat(parse("http://Σ").host).isEqualTo("xn--4xa")
  }

  @Test
  fun hostnameIgnoredCharacters() {
    // The soft hyphen (­) should be ignored.

   *
   *  * An encoded IDN, like `xn--n3h.net`.
   *
   * | URL                   | `host()`        |
   * | :-------------------- | :-------------- |
   * | `http://android.com/` | `"android.com"` |
   * | `http://127.0.0.1/`   | `"127.0.0.1"`   |
   * | `http://[::1]/`       | `"::1"`         |
   * | `http://xn--n3h.net/` | `"xn--n3h.net"` |
   */
  @get:JvmName("host") val host: String,
  /**

}

/**
 * If this is an IP address, this returns the IP address in canonical form.
 *
 * Otherwise, this performs IDN ToASCII encoding and canonicalize the result to lowercase. For
 * example this converts `☃.net` to `xn--n3h.net`, and `WwW.GoOgLe.cOm` to `www.google.com`.
 * `null` will be returned if the host cannot be ToASCII encoded or if the result contains
 * unsupported ASCII characters.
 */

gro?lim?m&oc?uesum??o&fni?r&ea?p???pooc?t&en?ni??ude?vog?zib???o&g?m??rt?s!.&bog?der?gro?moc?ude???t!.&arukas,bew-eht-no,morf,naht-&esrow,retteb,?sndnyd,?d?i?won??uqhv--nx??w&a!.moc?l??b!.&ca?gro?oc?ten?vog???c!.&gro?moc?ten?ude??cp??e&iver?n?s??g!.xn,?k!.&bme?dni?gro?moc?ten?ude?vog???m!.&ca?gro?moc?oc?pooc?t&en?ni??ude?vog?zib??b??o&csom?h!s??n?w??p!.&344x,snduolc,vog???r!.&ca?gro?lim?oc?pooc?ten?vog??n??t!.&bulc?emag?gro?l&im?ru,?moc!.reliamym,?sndym,ten?ude?v&di?og??zibe???z!.&ca?gro?lim?oc?...