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

  @Test
  fun hostnameIgnoredCharacters() {
    // The soft hyphen (­) should be ignored.
    assertThat(parse("http://AB\u00adCD").host).isEqualTo("abcd")
  }

  @Test
  fun hostnameMultipleCharacterMapping() {
    // Map the single character telephone symbol (℡) to the string "tel".

samsclub

// samsung : SAMSUNG SDS CO., LTD
// https://www.iana.org/domains/root/db/samsung.html
samsung

// sandvik : Sandvik AB
// https://www.iana.org/domains/root/db/sandvik.html
sandvik

// sandvikcoromant : Sandvik AB
// https://www.iana.org/domains/root/db/sandvikcoromant.html
sandvikcoromant

// sanofi : Sanofi
// https://www.iana.org/domains/root/db/sanofi.html

        body = "EFGH",
      ),
    )
    val call1 = client.newCall(Request(server.url("/")))
    val response1 = call1.execute()
    assertThat(response1.body.source().readUtf8(2)).isEqualTo("AB")
    response1.body.close()
    val call2 = client.newCall(Request(server.url("/")))
    val response2 = call2.execute()
    assertThat(response2.body.source().readUtf8()).isEqualTo("ABCD")
    response2.body.close()

64-b.it
6g.in
7.azurestaticapps.net
7.bg
8.bg
9.bg
9guacu.br
a.bg
a.prod.fastly.net
a.se
a.ssl.fastly.net
a2hosted.com
aa.no
aaa
aaa.pro
aaa.vodka
aarborte.no
aarp
ab.ca
abashiri.hokkaido.jp
abb
abbott
abbvie
abc
abc.br
abeno.osaka.jp
abiko.chiba.jp
abira.hokkaido.jp
abkhazia.su
able
abo.pa
abogado
abr.it
abruzzo.it
abu.yamaguchi.jp

64-b.it
6g.in
7.azurestaticapps.net
7.bg
8.bg
9.bg
9guacu.br
a.bg
a.prod.fastly.net
a.se
a.ssl.fastly.net
a2hosted.com
aa.no
aaa
aaa.pro
aaa.vodka
aarborte.no
aarp
ab.ca
abashiri.hokkaido.jp
abb
abbott
abbvie
abc
abc.br
abeno.osaka.jp
abiko.chiba.jp
abira.hokkaido.jp
abkhazia.su
able
abo.pa
abogado
abr.it
abruzzo.it
abu.yamaguchi.jp

12475..1247F  ; disallowed                             # NA   <reserved-12475>..<reserved-1247F>
12480..12543  ; valid                                  # 8.0  CUNEIFORM SIGN AB TIMES NUN TENU..CUNEIFORM SIGN ZU5 TIMES THREE DISH TENU
12544..12F8F  ; disallowed                             # NA   <reserved-12544>..<reserved-12F8F>