content/canvas/test/test_2d.imageData.create.negative.html

   1 <!DOCTYPE HTML>
   2 <title>Canvas test: 2d.imageData.create.negative - bug 433004</title>
   3 <!-- Testing: createImageData() takes the absolute magnitude of the size arguments -->
   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 var imgdata1 = ctx.createImageData(10, 20);
  21 var imgdata2 = ctx.createImageData(-10, 20);
  22 var imgdata3 = ctx.createImageData(10, -20);
  23 var imgdata4 = ctx.createImageData(-10, -20);
  24 ok(imgdata1.data.length == imgdata2.data.length, "imgdata1.data.length == imgdata2.data.length");
  25 ok(imgdata2.data.length == imgdata3.data.length, "imgdata2.data.length == imgdata3.data.length");
  26 ok(imgdata3.data.length == imgdata4.data.length, "imgdata3.data.length == imgdata4.data.length");
  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