getMockRequest().addHeader("user-agent",
                "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) AppleWebKit/600.8.9 (KHTML, like Gecko) Version/8.0.8 Safari/600.8.9");
        assertEquals(UserAgentType.SAFARI, userAgentHelper.getUserAgentType());
    }

    public void test_getUserAgentType_Opera() {

                    } else if (userAgent.indexOf("Chrome") >= 0) {
                        uaType = UserAgentType.CHROME;
                    } else if (userAgent.indexOf("Safari") >= 0) {
                        uaType = UserAgentType.SAFARI;
                    } else if (userAgent.indexOf("Opera") >= 0) {
                        uaType = UserAgentType.OPERA;
                    }
                }

            }
            break;
        case SAFARI:
            if (isLocalFile) {
                url = url.replaceFirst("file:/+", systemProperties.getProperty("file.protocol.winlocal.safari", "file://"));
            } else {
                url = url.replaceFirst("file:/+", systemProperties.getProperty("file.protocol.safari", "file:////"));
            }
            break;
        case OPERA:

        userAgentHelper = new UserAgentHelper() {
            public UserAgentType getUserAgentType() {
                return UserAgentType.SAFARI;
            }
        };
        ComponentUtil.register(userAgentHelper, "userAgentHelper");

        assertEquals("file:////test.txt", viewHelper.updateFileProtocol("file:///test.txt"));

    )
    assertInvalid(
      "http://[0.0.0.0:0:0:0:0:0:1]/",
      "Invalid URL host: \"[0.0.0.0:0:0:0:0:0:1]\"",
    )
  }

  @Test
  fun hostIpv6WithIncompleteIpv4Suffix() {
    // To Chrome & Safari these are well-formed; Firefox disagrees. (We're consistent with Firefox).
    assertInvalid(
      "http://[0:0:0:0:0:1:255.255.255.]/",
      "Invalid URL host: \"[0:0:0:0:0:1:255.255.255.]\"",
    )
    assertInvalid(