|  | <html> | 
|  |  | 
|  | <head> | 
|  | <!-- Programmatically converted from a WebKit Reftest, please forgive resulting idiosyncracies.--> | 
|  | <title>media-src-track-block</title> | 
|  | <script src="/resources/testharness.js"></script> | 
|  | <script src="/resources/testharnessreport.js"></script> | 
|  | <script src="../support/logTest.sub.js?logs=[]"></script> | 
|  | <script src='../support/alertAssert.sub.js?alerts=["PASS"]'></script> | 
|  | <!-- enforcing policy: | 
|  | media-src 'none'; script-src 'self' 'unsafe-inline'; connect-src 'self'; | 
|  | --> | 
|  | <script> | 
|  | function loaded() { | 
|  | alert_assert("FAIL"); | 
|  | } | 
|  |  | 
|  | function errored() { | 
|  | alert_assert("PASS"); | 
|  | } | 
|  |  | 
|  | function start() { | 
|  | var track = document.querySelector('track'); | 
|  | track.track.mode = "hidden"; | 
|  | track.setAttribute('src', 'resources/track.vtt'); | 
|  | } | 
|  |  | 
|  | </script> | 
|  | </head> | 
|  |  | 
|  | <body onload="start()"> | 
|  | <video> | 
|  | <track kind="captions" onload="loaded()" onerror="errored()"> | 
|  | </video> | 
|  | <div id="log"></div> | 
|  | <script async defer src="../support/checkReport.sub.js?reportExists=true&reportField=violated-directive&reportValue=media-src%20'none'"></script> | 
|  | </body> | 
|  |  | 
|  | </html> |