<!doctype html> <html> <head> <meta charset='utf-8'> <title>URL.createObjectURL(mediaSource)</title> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> </head> <body> <div id="log"></div> <script> test(function() { var mediaSource = new MediaSource(); var url = window.URL.createObjectURL(mediaSource); assert_true(url != null); assert_true(url.match(/^blob:.+/) != null); }, "URL.createObjectURL(mediaSource) should return a unique Blob URI."); </script> </body> </html>