<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=677495 As mandated by the spec, the body of a media document must only contain one child. --> <head> <title>Test for Bug 571981</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> <script type="application/javascript"> SimpleTest.waitForExplicitFinish(); function frameLoaded() { var testframe = document.getElementById('testframe'); var testframeChildren = testframe.contentDocument.body.childNodes; is(testframeChildren.length, 1, "Body of video document has 1 child"); is(testframeChildren[0].nodeName, "VIDEO", "Only child of body must be a <video> element"); SimpleTest.finish(); } </script> </head> <body> <p id="display"></p> <iframe id="testframe" name="testframe" onload="frameLoaded()" src="data:video/webm,"></iframe> </body> </html>