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<!DOCTYPE HTML>
<html>
<head>
<title>WebGL test: WebGL2RenderingContext only exposed when appropriate</title>
<script src='/tests/SimpleTest/SimpleTest.js'></script>
<link rel='stylesheet' href='/tests/SimpleTest/test.css'>
</head>
<body>
<script>

function ShouldExpose() {
  try {
    return SpecialPowers.getBoolPref('webgl.enable-webgl2');
  } catch (e) {}

  return false;
}

function DoesExpose() {
  try {
    null instanceof WebGL2RenderingContext;
    return true;
  } catch (e) {}

  return false;
}

var doesExpose = DoesExpose();
if (ShouldExpose()) {
  ok(doesExpose, 'WebGL2RenderingContext should be exposed.');
} else {
  ok(!doesExpose, 'WebGL2RenderingContext should not be exposed.');
}

</script>
</body>
</html>