src/third_party/WebKit/LayoutTests/compositing/copy-image-when-no-image-exists.html

   1 <!-- This test checks copyImageAt() with position parameter
   2      that actually doesn't point to an Image(Canvas).
   3      (Negative test for crbug.com/392765) -->
   4 <head>
   5 <script src="../resources/js-test.js"></script>
   6 <script>
   7
   8 function main()
   9 {
  10   if (!window.testRunner) {
  11     testFailed("Requires window.testRunner");
  12   } else {
  13     testRunner.waitUntilDone();
  14     testRunner.dumpAsText();
  15     window.requestAnimationFrame(runTest);
  16   }
  17 }
  18
  19 function runTest() {
  20   try {
  21     testRunner.copyImageAtAndCapturePixelsAsyncThen(50, 50, completionCallback);
  22   } catch (e) {
  23     debug('error in runTest');
  24     debug(e);
  25     testRunner.notifyDone();
  26   }
  27 }
  28 var width, height;
  29 function completionCallback(w, h, snapshot) {
  30   try {
  31     width = w;
  32     height = h;
  33     shouldBeEqualToNumber("width", 0);
  34     shouldBeEqualToNumber("height", 0);
  35   } catch (e) {
  36     debug('error in completionCallback');
  37     debug(e);
  38     testRunner.notifyDone();
  39     return;
  40   }
  41   testRunner.notifyDone();
  42 }
  43
  44 main();
  45 </script>
  46 </head>
  47 <body>
  48 <div id="console"></div>
  49 </body>