@Test public void hostIpv6WithIncompleteIpv4Suffix() throws Exception {

  // To Chrome & Safari these are well-formed; Firefox disagrees. (We're consistent with Firefox).
  assertEquals(null, HttpUrl.parse("http://[0:0:0:0:0:1:255.255.255.]/"));
  assertEquals(null, HttpUrl.parse("http://[0:0:0:0:0:1:255.255.255]/"));
}