third_party/WebKit/LayoutTests/fast/canvas/canvas-context-gc-custom-properties.html

   1 <html>
   2 <head>
   3 <script src="../../resources/js-test.js"></script>
   4 </head>
   5 <body>
   6 <script>
   7 description("Verify that the custom properties on a Canvas 2D rendering context object are retained across GCs.");
   8
   9 window.jsTestIsAsync = true;
  10
  11 if (window.testRunner) {
  12     testRunner.dumpAsText();
  13     testRunner.waitUntilDone();
  14 }
  15
  16 function runTest() {
  17     canvas = document.createElement("canvas");
  18     context = canvas.getContext("2d");
  19     context.customProperty = "value";
  20     shouldBeEqualToString("context.customProperty", "value");
  21     context = null;
  22     gc();
  23     context = canvas.getContext("2d");
  24     shouldBeEqualToString("context.customProperty", "value");
  25     finishJSTest();
  26 }
  27
  28 window.onload = runTest;
  29 </script>
  30 </body>
  31 </html>