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