<!doctype html> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=938772 --> <title>Test for Bug 938772</title> <script src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" href="/tests/SimpleTest/test.css"> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=938772">Mozilla Bug 938772</a> <p id="display"></p> <iframe id="i"></iframe> <pre id="test"> <script> SimpleTest.waitForExplicitFinish(); i.onload = function() { ok(!i.contentDocument.getElementById("v").failed, "Check whether an error was reported"); SimpleTest.finish(); }; i.src = "data:text/html,<base href='http://basetag/basetag'><video id='v' onerror='v.failed=true'></video>"; </script>