)
    assertInvalid("http://[::00001]", "Invalid URL host: \"[::00001]\"")
  }

  @Test
  fun hostIpv6AddressMisplacedColons() {
    assertInvalid(
      "http://[:0000:0000:0000:0000:0000:0000:0000:0001]",
      "Invalid URL host: \"[:0000:0000:0000:0000:0000:0000:0000:0001]\"",
    )
    assertInvalid(
      "http://[:::0000:0000:0000:0000:0000:0000:0000:0001]",

    .build();
client.newCall(newYorkTimesRequest).enqueue(new Callback() {
  ...
});
```

Running this race over home WiFi shows the Times (`0002`) completes just slightly sooner than the Post (`0001`):

```
0001 https://www.washingtonpost.com/
0001 0.000 callStart
0002 https://www.nytimes.com/
0002 0.000 callStart
0002 0.010 dnsStart
0001 0.013 dnsStart
0001 0.022 dnsEnd
0002 0.019 dnsEnd

 * All comments are ignored.
 *
 * Regular lines contain fields separated by semicolons.
 *
 * The first element on each line is a single hex code point (like 0041) or a hex code point range
 * (like 0030..0039).
 *
 * The second element on each line is a mapping type, like `valid` or `mapped`.
 *

   0041-005A
   0061-007A
   00AA
   00B5
   00BA
   00C0-00D6
   00D8-00F6
   00F8-0220
   0222-0233
   0250-02AD
   02B0-02B8
   02BB-02C1
   02D0-02D1
   02E0-02E4
   02EE
   037A
   0386
   0388-038A
   038C
   038E-03A1
   03A3-03CE
   03D0-03F5
   0400-0482
   048A-04CE
   04D0-04F5
   04F8-04F9
   0500-050F
   0531-0556
   0559-055F
   0561-0587
   0589
   0903

103D6..103FF  ; disallowed                             # NA   <reserved-103D6>..<reserved-103FF>
10400         ; mapped                 ; 10428         # 3.1  DESERET CAPITAL LETTER LONG I
10401         ; mapped                 ; 10429         # 3.1  DESERET CAPITAL LETTER LONG E
10402         ; mapped                 ; 1042A         # 3.1  DESERET CAPITAL LETTER LONG A

   FF34; FF54; Case map
   FF35; FF55; Case map
   FF36; FF56; Case map
   FF37; FF57; Case map
   FF38; FF58; Case map
   FF39; FF59; Case map
   FF3A; FF5A; Case map
   10400; 10428; Case map
   10401; 10429; Case map
   10402; 1042A; Case map
   10403; 1042B; Case map
   10404; 1042C; Case map
   10405; 1042D; Case map
   10406; 1042E; Case map
   10407; 1042F; Case map
   10408; 10430; Case map

      ),
      rangeList.ranges,
    )
  }

  @Test fun readCodePointMapping() {
    val buffer = Buffer()
    buffer.writeUtf8(
      """
      |    180C; ; Map to nothing
      |    0041; 0061; Case map
      |    0390; 03B9 0308 0301; Case map
      |
      """.trimMargin(),
    )

    val mappings = buffer.readCodePointMappings()
    assertEquals(
      mapOf(
        // Map to nothing.

      return source.readCodePointSet()
    }
  }

  /**
   * Reads a set of mapping lines like the following:
   *
   * ```
   *    180C; ; Map to nothing
   *    0041; 0061; Case map
   *    0390; 03B9 0308 0301; Case map
   * ```
   *
   * Each line maps from a single hexadecimal code point to zero or more hexadecimal code points.

    assertThat(cookie.matches("http://[::1]/".toHttpUrl())).isTrue()
  }

  @Test fun domainMatchesIpv6AddressWithCompression() {
    val cookie = parse("http://[0001:0000::]/".toHttpUrl(), "a=b; domain=0001:0000::")
    assertThat(cookie!!.domain).isEqualTo("1::")
    assertThat(cookie.matches("http://[1::]/".toHttpUrl())).isTrue()
  }

  @Test fun domainMatchesIpv6AddressWithIpv4Suffix() {