* 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`.
 *

    )
    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:::]",
      "Invalid URL host: \"[0000:0000:0000:0000:0000:0000:0000:0001:::]\"",
    )
    assertInvalid("http://[1:]", "Invalid URL host: \"[1:]\"")

    .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

   0041; 0061; Case map
   0042; 0062; Case map
   0043; 0063; Case map
   0044; 0064; Case map
   0045; 0065; Case map
   0046; 0066; Case map
   0047; 0067; Case map
   0048; 0068; Case map
   0049; 0069; Case map
   004A; 006A; Case map
   004B; 006B; Case map
   004C; 006C; Case map
   004D; 006D; Case map
   004E; 006E; Case map
   004F; 006F; Case map
   0050; 0070; Case map
   0051; 0071; Case map
   0052; 0072; Case map

   09B1
   09B3-09B5
   09BA-09BB
   09BD
   09C5-09C6
   09C9-09CA
   09CE-09D6
   09D8-09DB
   09DE
   09E4-09E5
   09FB-0A01
   0A03-0A04
   0A0B-0A0E
   0A11-0A12
   0A29
   0A31
   0A34
   0A37
   0A3A-0A3B
   0A3D
   0A43-0A46
   0A49-0A4A
   0A4E-0A58
   0A5D
   0A5F-0A65
   0A75-0A80
   0A84
   0A8C
   0A8E
   0A92
   0AA9
   0AB1
   0AB4

      ),
      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.

2A74          ; disallowed_STD3_mapped ; 003A 003A 003D #3.2  DOUBLE COLON EQUAL
2A75          ; disallowed_STD3_mapped ; 003D 003D     # 3.2  TWO CONSECUTIVE EQUALS SIGNS
2A76          ; disallowed_STD3_mapped ; 003D 003D 003D #3.2  THREE CONSECUTIVE EQUALS SIGNS

      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() {