* of Android's private InetAddress#isNumeric API.
 *
 * This matches IPv6 addresses as a hex string containing at least one colon, and possibly
 * including dots after the first colon. It matches IPv4 addresses as strings containing only
 * decimal digits and dots. This pattern matches strings like "a:.23" and "54" that are neither IP

    assertThat(parse("http://[::1]/").host).isEqualTo("::1")

    // ... but they're included in toString().
    assertThat(parse("http://[::1]/").toString()).isEqualTo("http://[::1]/")

    // IPv6 colons don't interfere with port numbers or passwords.
    assertThat(parse("http://[::1]:8080/").port).isEqualTo(8080)
    assertThat(parse("http://user:password@[::1]/").password).isEqualTo("password")

  }

  /**
   * Old implementations of OkHttp's response cache wrote header fields like ":status: 200 OK". This
   * broke our cached response parser because it split on the first colon. This regression test
   * exists to help us read these old bad cache entries.
   *
   * https://github.com/square/okhttp/issues/227
   */
  @Test
  fun testGoldenCacheResponse() {
    cache.close()

bloxcms.com blue bluebite.io blush.jp bm bmd.br bmoattachments.org bms bmw bn bn.it bnpparibas bnr.la bo bo.it bo.nordland.no bo.telemark.no boats boavista.br bodo.no bodø.no boehringer bofa bokn.no boldlygoingnowhere.org boleslawiec.pl bolivia.bo bologna.it bolt.hu bolzano-altoadige.it bolzano.it bom bomlo.no bond bonn.museum boo boo.jp book booking bookonline.app boomla.net bosch bostik boston boston.museum bot botanical.museum botanicalgarden.museum botanicgarden.museum botany.museum bounceme.net...

10781         ; mapped                 ; 02D0          # 14.0 MODIFIER LETTER SUPERSCRIPT TRIANGULAR COLON
10782         ; mapped                 ; 02D1          # 14.0 MODIFIER LETTER SUPERSCRIPT HALF TRIANGULAR COLON
10783         ; mapped                 ; 00E6          # 14.0 MODIFIER LETTER SMALL AE

coach

// codes : 2013-10-31 Binky Moon, LLC
codes

// coffee : 2013-10-17 Binky Moon, LLC
coffee

// college : 2014-01-16 XYZ.COM LLC
college

// cologne : 2014-02-05 dotKoeln GmbH
cologne

// comcast : 2015-07-23 Comcast IP Holdings I, LLC
comcast

// commbank : 2014-06-26 COMMONWEALTH BANK OF AUSTRALIA
commbank

// community : 2013-12-05 Binky Moon, LLC

            // broken SPDY versions of the response cache).
            addLenient("", line.substring(1)) // Empty header name.
          }
          else -> {
            // No header name.
            addLenient("", line)
          }
        }
      }

    /** Add an header line containing a field name, a literal colon, and a value. */
    fun add(line: String) =

    fun clearHeaders() =
      apply {
        headers = Headers.Builder()
      }

    /**
     * Adds [header] as an HTTP header. For well-formed HTTP [header] should contain a name followed
     * by a colon and a value.
     */
    fun addHeader(header: String) =
      apply {
        headers.add(header)
      }

    /**

            while (++i < limit) {
              if (input[i] == ']') break
            }
          }
          ':' -> return i
        }
        i++
      }
      return limit // No colon.
    }

    private fun parsePort(
      input: String,
      pos: Int,
      limit: Int,
    ): Int {
      return try {
        // Canonicalize the port string to skip '\n' etc.

        .add("foo : bak") // Name trailing whitespace is trimmed.
        .add("\tkey\t:\tvalue\t") // '\t' also counts as whitespace
        .add("ping:  pong  ") // Value whitespace is trimmed.
        .add("kit:kat") // Space after colon is not required.
        .build()
    assertThat(headers.values("foo")).containsExactly("bar", "baz", "bak")
    assertThat(headers.values("key")).containsExactly("value")