 release
                <li> Pointer capture should not be lost
                <li> Release left mouse button. lostpointercapture is called
            </ol>
        </h4>
        Test passes if the proper behavior of the events is observed.
        <div class="container">
           <div id="box"></div>
        </div>
        <div id="log"></div>
    </body>
    <script>
      var PhaseEnum = {
              WaitingForDown:       "down",
              WaitingForUp:         "up",
              UpDone :   