<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=1209658 --> <head> <title>Test for Bug 1209658</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1209658">Mozilla Bug 1209658</a> <p id="display"></p> <div id="content" style="display: none"> </div> <script type="application/javascript"> SimpleTest.waitForExplicitFinish(); addLoadEvent(function loaded() { for (var iframe of document.querySelectorAll("iframe")) { is(iframe.contentWindow.location.href, iframe.src, "should load correct URL"); is(iframe.contentDocument.body.textContent, '{"<p>Hello</p>": null}', iframe.getAttribute("mimeType") + " should be treated as text"); } SimpleTest.finish(); }); </script> <iframe src="data:text/json,{"<p>Hello</p>":%20null}" mimeType="text/json"></iframe> <!-- Totally not valid VTT data, but doesn't matter for our purposes here --> <iframe src="data:text/vtt,{"<p>Hello</p>":%20null}" mimeType="text/vtt"></iframe> </body> </html>