dom/canvas/test/webgl-mochitest/test_webgl_request_context.html

   1 <!DOCTYPE HTML>
   2 <title>WebGL test: 'webgl' and 'experimental-webgl' context requests succeed,
   3     'moz-webgl' context requests fail.</title>
   4 <script src="/tests/SimpleTest/SimpleTest.js"></script>
   5 <link rel="stylesheet" href="/tests/SimpleTest/test.css">
   6 <script src="driver-info.js"></script>
   7 <body>
   8 <canvas id="c1"></canvas>
   9 <canvas id="c2"></canvas>
  10 <script>
  11
  12 var testFunc = ok;
  13
  14 function testContextRetrieval(canvasId, creationId, shouldSucceed) {
  15   var canvas = document.getElementById(canvasId);
  16   ok(canvas, 'Invalid `canvasId`: ' + canvasId);
  17
  18   var createdGL = canvas.getContext(creationId);
  19   if (shouldSucceed) {
  20     testFunc(createdGL, 'Request for \'' + creationId + '\' should succeed.');
  21   } else {
  22     ok(!createdGL, 'Request for \'' + creationId + '\' should fail.');
  23   }
  24 }
  25
  26 SimpleTest.waitForExplicitFinish();
  27 SpecialPowers.pushPrefEnv({'set': [
  28   ['webgl.force-enabled', true]
  29 ]}, function() {
  30   testContextRetrieval('c1', 'experimental-webgl', true);
  31   testContextRetrieval('c2', 'moz-webgl', false);
  32   SimpleTest.finish();
  33 });
  34
  35 </script>
  36