test_webgl_force_enable.html

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<!DOCTYPE HTML>

<html>

<head>

<title>WebGL test: Check that WebGL works (or not) if it should (or should not).</title>

<script src="/tests/SimpleTest/SimpleTest.js"></script>

<link rel="stylesheet" href="/tests/SimpleTest/test.css">

<script src="driver-info.js"></script>

</head>

<body>

<canvas id="c"></canvas>

<script>

function test() {

  ok(SpecialPowers.getBoolPref('webgl.force-enabled'), 'WebGL should be force-enabled.');

  var shouldSucceed = true;

  var shouldFail = false;

  if (DriverInfo.getOS() == DriverInfo.OS.ANDROID &&

      DriverInfo.getOSVersion() < 15)

    // Consider 'random'. Actually, ARMv6 fails, and ARMv7 succeeds, but we have

    // not been successful at determining this from JS. (see bug 917478)

    shouldSucceed = false;

    shouldFail = false;

  var gl = c.getContext('webgl');

  if (shouldSucceed) {

    ok(gl, 'Expected WebGL creation to succeed.');

  if (shouldFail) {

    ok(!gl, 'Expected WebGL creation to fail.');

  SimpleTest.finish();

SimpleTest.waitForExplicitFinish();

var prefArrArr = [

  ['webgl.force-enabled', true]

];

var prefEnv = {'set': prefArrArr};

SpecialPowers.pushPrefEnv(prefEnv, test);

</script>

</body>

</html>