}

    public void test_getUserAgentType_Opera() {
        getMockRequest().addHeader("user-agent", "Opera/9.80 (X11; U; Linux x86_64) Presto/2.9.181 Version/12.00");
        assertEquals(UserAgentType.OPERA, userAgentHelper.getUserAgentType());
    }

    public void test_getUserAgentType_OTHER() {
        getMockRequest().addHeader("user-agent", "Dummy");

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

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

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

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