dom/svg/test/test_animLengthObjectIdentity.xhtml

   1 <html xmlns="http://www.w3.org/1999/xhtml">
   2 <!--
   3 https://bugzilla.mozilla.org/show_bug.cgi?id=508496
   4 -->
   5 <head>
   6   <title>Test for object identity of SVG animated lengths</title>
   7   <script src="/tests/SimpleTest/SimpleTest.js"></script>
   8   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
   9 </head>
  10 <body>
  11 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=506856">Mozilla Bug 508496</a>
  12 <p id="display"></p>
  13 <div id="content" style="display: none">
  14 <svg id="svg" xmlns="http://www.w3.org/2000/svg" width="120px" height="120px"
  15      onload="this.pauseAnimations()">
  16   <circle cx="-100" cy="-100" r="15" fill="blue" id="circle">
  17     <animate attributeName="cx" from="0" to="100" dur="4s" begin="1s; 10s"
  18       fill="freeze" id="animate"/>
  19   </circle>
  20 </svg>
  21 </div>
  22 <pre id="test">
  23 <script class="testbody" type="text/javascript">
  24 <![CDATA[
  25 /** Test object identity of animated lengths **/
  26
  27 /* Global Variables */
  28 const svgns = "http://www.w3.org/2000/svg";
  29 var svg = document.getElementById("svg");
  30 var circle = document.getElementById("circle");
  31
  32 SimpleTest.waitForExplicitFinish();
  33
  34 function main() {
  35   ok(svg.animationsPaused(), "should be paused by <svg> load handler");
  36   is(svg.getCurrentTime(), 0, "should be paused at 0 in <svg> load handler");
  37
  38   var animLength = circle.cx;
  39   ok(animLength === circle.cx,
  40     "Got different SVGAnimatedLength objects at startup");
  41
  42   var baseVal = circle.cx.baseVal;
  43   ok(baseVal === circle.cx.baseVal,
  44     "Got different baseVal SVGLength objects at startup");
  45
  46   var animVal = circle.cx.animVal;
  47   ok(animVal === circle.cx.animVal,
  48     "Got different animVal SVGLength objects at startup");
  49
  50   var animate = document.getElementById("animate");
  51   if (animate && animate.targetElement) {
  52     // Sample mid-way through the animation
  53     svg.setCurrentTime(5);
  54
  55     ok(animLength === circle.cx,
  56       "Got different SVGAnimatedLength objects during animation");
  57     ok(baseVal === circle.cx.baseVal,
  58       "Got different baseVal SVGLength objects during animation");
  59     ok(animVal === circle.cx.animVal,
  60       "Got different animVal SVGLength objects during animation");
  61   }
  62
  63   // Drop all references to the tear off objects
  64   var oldValue = circle.cx.animVal.value; // Just a float, not an object ref
  65   animLength = null;
  66   baseVal = null;
  67   animVal = null;
  68   SpecialPowers.gc();
  69
  70   // The tearoff objects should no longer exist and we should create new ones.
  71   // If somehow, the tearoff objects have died and yet not been removed from the
  72   // hashmap we'll end up in all sorts of trouble when we try to access them.
  73   // So in the following, we're not really interested in the value, just that we
  74   // don't crash.
  75   is(circle.cx.animVal.value, oldValue,
  76     "Unexpected result accessing new(?) length object.");
  77
  78   SimpleTest.finish();
  79 }
  80
  81 window.addEventListener("load", main);
  82 ]]>
  83 </script>
  84 </pre>
  85 </body>
  86 </html>