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

   1 <!DOCTYPE HTML>
   2 <html>
   3 <head>
   4 <title>WebGL test: Check that WebGL works (or not) if it should (or should not).</title>
   5 <script src="/tests/SimpleTest/SimpleTest.js"></script>
   6 <link rel="stylesheet" href="/tests/SimpleTest/test.css">
   7 <script src="driver-info.js"></script>
   8 </head>
   9 <body>
  10 <canvas id="c"></canvas>
  11 <script>
  12
  13 function test() {
  14   ok(SpecialPowers.getBoolPref('webgl.force-enabled'), 'WebGL should be force-enabled.');
  15
  16   var shouldSucceed = true;
  17   var shouldFail = false;
  18
  19   if (DriverInfo.getOS() == DriverInfo.OS.ANDROID &&
  20       DriverInfo.getOSVersion() < 15)
  21   {
  22     // Consider 'random'. Actually, ARMv6 fails, and ARMv7 succeeds, but we have
  23     // not been successful at determining this from JS. (see bug 917478)
  24     shouldSucceed = false;
  25     shouldFail = false;
  26   }
  27
  28   var gl = c.getContext('webgl');
  29   if (shouldSucceed) {
  30     ok(gl, 'Expected WebGL creation to succeed.');
  31   }
  32   if (shouldFail) {
  33     ok(!gl, 'Expected WebGL creation to fail.');
  34   }
  35
  36   SimpleTest.finish();
  37 }
  38
  39 SimpleTest.waitForExplicitFinish();
  40
  41 var prefArrArr = [
  42   ['webgl.force-enabled', true]
  43 ];
  44 var prefEnv = {'set': prefArrArr};
  45 SpecialPowers.pushPrefEnv(prefEnv, test);
  46
  47 </script>
  48 </body>
  49 </html>