content/canvas/test/test_2d.imageData.get.type.html

   1 <!DOCTYPE HTML>
   2 <title>Canvas test: 2d.imageData.get.type</title>
   3 <!-- Testing: getImageData() returns an ImageData object containing a CanvasPixelArray object -->
   4 <script src="/MochiKit/MochiKit.js"></script>
   5 <script src="/tests/SimpleTest/SimpleTest.js"></script>
   6 <link rel="stylesheet" href="/tests/SimpleTest/test.css">
   7 <body>
   8 <canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
   9 <script>
  10
  11 SimpleTest.waitForExplicitFinish();
  12 MochiKit.DOM.addLoadEvent(function () {
  13
  14 var canvas = document.getElementById('c');
  15 var ctx = canvas.getContext('2d');
  16
  17 var _thrown_outer = false;
  18 try {
  19
  20 todo(window.ImageData !== undefined, "window.ImageData !== undefined");
  21 todo(window.CanvasPixelArray !== undefined, "window.CanvasPixelArray !== undefined");
  22 window.ImageData.prototype.thisImplementsImageData = true;
  23 window.CanvasPixelArray.prototype.thisImplementsCanvasPixelArray = true;
  24 var imgdata = ctx.getImageData(0, 0, 1, 1);
  25 ok(imgdata.thisImplementsImageData, "imgdata.thisImplementsImageData");
  26 ok(imgdata.data.thisImplementsCanvasPixelArray, "imgdata.data.thisImplementsCanvasPixelArray");
  27
  28 } catch (e) {
  29     _thrown_outer = true;
  30 }
  31 todo(!_thrown_outer, 'should not throw exception');
  32
  33 SimpleTest.finish();
  34
  35 });
  36 </script>
  37