dom/bindings/test/test_large_imageData.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <!--
   4 https://bugzilla.mozilla.org/show_bug.cgi?id=1716622
   5 -->
   6 <head>
   7   <meta charset="utf-8">
   8   <title>Test for large ImageData</title>
   9   <script src="/tests/SimpleTest/SimpleTest.js"></script>
  10   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  11 </head>
  12 <body>
  13 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1716622">Mozilla Bug 1716622</a>
  14 <p id="display"></p>
  15 <div id="content" style="display: none">
  16
  17 </div>
  18 <pre id="test">
  19 </pre>
  20   <canvas id="canvas" width="800" height="800"></canvas>
  21   <script type="application/javascript">
  22     SimpleTest.waitForExplicitFinish();
  23
  24     function go() {
  25       var ctx = document.getElementById("canvas").getContext("2d");
  26
  27       var ex = null;
  28       try {
  29         ctx.createImageData(23175, 23175);
  30       } catch (e) {
  31         ex = e;
  32       }
  33       ok(ex.toString().includes("Invalid width or height"),
  34          "Expected createImageData exception");
  35
  36       ex = null;
  37       try {
  38         ctx.createImageData(33000, 33000);
  39       } catch (e) {
  40         ex = e;
  41       }
  42       ok(ex.toString().includes("Invalid width or height"),
  43          "Expected createImageData exception");
  44
  45       ex = null;
  46       try {
  47         ctx.getImageData(0, 0, 23175, 23175);
  48       } catch (e) {
  49         ex = e;
  50       }
  51       ok(ex.toString().includes("negative or greater than the allowed amount"),
  52          "Expected getImageData exception");
  53
  54       ex = null;
  55       try {
  56         new ImageData(23175, 23175);
  57       } catch (e) {
  58         ex = e;
  59       }
  60       ok(ex.toString().includes("negative or greater than the allowed amount"),
  61          "Expected ImageData constructor exception");
  62
  63       SimpleTest.finish();
  64     }
  65     go();
  66   </script>
  67 </body>
  68 </html>