assertInvalid("http://[::1%2544]", "Invalid URL host: \"[::1%2544]\"")
  }

  @Test
  fun hostIpv6AddressTooManyLeadingZeros() {
    // Guava's been buggy on this case. https://github.com/google/guava/issues/3116
    assertInvalid(
      "http://[2001:db8:0:0:1:0:0:00001]",
      "Invalid URL host: \"[2001:db8:0:0:1:0:0:00001]\"",
    )
  }

  @Test
  fun hostIpv6WithIpv4Suffix() {