third_party/WebKit/LayoutTests/fast/canvas/canvas-state-persistence-no-dirty.html

   1 <!DOCTYPE html>
   2 <canvas></canvas>
   3 <script>
   4
   5 if (window.testRunner)
   6   testRunner.waitUntilDone();
   7
   8 var canvas = document.querySelector("canvas");
   9 var context = canvas.getContext("2d");
  10
  11 // first frame
  12
  13 requestAnimationFrame(function() {
  14
  15   // second frame which doesn't have a dirty
  16   context.scale(2, 1);
  17
  18   requestAnimationFrame(function() {
  19
  20     // third frame which has a dirty
  21     context.scale(2, 1);
  22     context.fillRect(0, 0, 10, 10);
  23
  24     if (window.testRunner)
  25       testRunner.notifyDone();
  26
  27   });
  28 });
  29
  30 </script>