def test_Fps(self):
        logger.info('Enter -- MUAT:BrowserTest:test_Fps')
        BrowserIcon = self.d(text=u"浏览器", resourceId='com.aliyun.lightdesk:id/tag_name',className="android.widget.TextView")
        if not BrowserIcon.exists:
            name = sys._getframe().f_code.co_name
            screen_shot.ScreenShot(self,name)
        self.assertTrue(BrowserIcon.exists)
        click_x = BrowserIcon.info['visibleBounds']['left'] +5
        click_y = BrowserIcon.info['visibleBounds']['top'] +5
        self.mouse.doubleclick(click_x, click_y, constants.MouseLeftKey)
        start=time.time()
        while time.time()-start<constants.Time_Out:
            if  self.d(className="android.widget.FrameLayout", packageName="org.chromium.chrome").exists:
                break
            else:
                time.sleep(1)
        BrowserWindow = self.d(className="android.widget.FrameLayout", packageName="org.chromium.chrome")
        if not BrowserWindow.exists:
            name = sys._getframe().f_code.co_name
            screen_shot.ScreenShot(self,name)
        self.assertTrue(BrowserWindow.exists)
        if BrowserWindow.exists:
            maxButton = self.d(resourceId="android:id/pc_max", className="android.widget.ImageView", packageName="org.chromium.chrome")
            logger.debug('click max button: (%s)' % (maxButton.info['packageName']))
            maxButton.click()
            blankpage = self.d(resourceId="org.chromium.chrome:id/ntp_scrollview")
            if blankpage.exists:
                self.assertEqual(blankpage.info['contentDescription'], u"打开新的标签页")
            address = self.d(resourceId="org.chromium.chrome:id/url_bar")
            if address.exists:
                self.assertEqual(address.info['text'], u"搜索或输入网址")
                MenuButton=self.d(resourceId='org.chromium.chrome:id/menu_button',packageName='org.chromium.chrome')
                if MenuButton.exists:
                    MenuButton.click()
                    time.sleep(1)
                    self.d(resourceId='org.chromium.chrome:id/menu_item_text',packageName='org.chromium.chrome').click()
                    BookMark=self.d(resourceId='org.chromium.chrome:id/highlight')
                    if BookMark.exists:
                        BookMark.click()
                        time.sleep(1)
                StopButton=self.d(description=u'停止加载网页',resourceId='org.chromium.chrome:id/refresh_button')
                start=time.time()
                while time.time()-start<constants.TIME_OUT:
                    if not StopButton.exists:
                        break
                    else:
                        time.sleep(0.5)
                detect_re = re.compile(r'D.UIAutomatorStub.*swipe')
                wanted_re = re.compile(r'MPT: sf post one frame at (.*)$')
                adb_log = AdbLog(mode=AdbLog.MODE_RE | AdbLog.MODE_NEED_DETECT | AdbLog.MODE_NEED_CONTINUE, wanted_re=wanted_re, detect_re=detect_re, logger=logger)
                adb_log.clear()
                adb_log.start()
                self.d.swipe(200,900,200,500)
                 
                self.mouse.wheel(860,500,constants.MouseWheelDown,70,5)
                self.mouse.wheel(860,500,constants.MouseWheelUp,60,5)
                # check the log and get the data
                while True:
                    if adb_log.result and len(adb_log.result) >= 3:
                        break
                    else:
                        time.sleep(1)
                adb_log.stop_log()
                adb_log.join()
 
                # store the result
                start_time = 0
                end_time = 0
                fps = 0
                try:
                    length = len(adb_log.result)
                    if length >=3:
                        start_time      = int(adb_log.result[1][0])
                        end_time        = int(adb_log.result[-1][0])
                        fps             = (length - 1) * 1000 / (end_time - start_time)
                    else:
                        logger.error('not enough data for calc fps: (%s)' % (adb_log.result))
                except:
                    logger.error('retrieve time from (%s) error' % (adb_log.result))
 
                logger.info('wheel taobao page fps: %s' % ( fps))
#                 baiduPage = self.d(className="android.webkit.WebView", packageName="org.chromium.chrome")
#                 if baiduPage.exists:
#                     self.assertEqual(baiduPage.info['contentDescription'], u'百度一下,你就知道')
                                
            closeButton = self.d(resourceId="android:id/pc_close", className="android.widget.ImageView", packageName="org.chromium.chrome")
            if closeButton.exists:
                logger.debug('click close button: (%s)' % (closeButton.info['packageName']))
                closeButton.click()
        logger.info('Exit -- MUAT:BrowserTest:test_Fps')