tdriver-vendor.js"></script>
        <script type="text/javascript" src="../pointerevent_support.js"></script>
        <style>
          #testContainer {
            touch-action: none;
            -webkit-user-select: none;
            position: relative;
          }
        </style>
        <script>
            var last_pointer_client_pos = {'x': 0, 'y': 0}
            var last_pointer_screen_pos = {'x': 0, 'y': 0}

            const kStateInit = 0
            const kStateLocked = 1
            const kSta