<!doctype html> <html> <head> <meta http-equiv="Content-Security-Policy" content="style-src 'none';"> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script> var t = async_test("Should not stylesheet when style-src is 'none'"); var t_spv = async_test("Should fire a securitypolicyviolation event"); document.addEventListener("securitypolicyviolation", t_spv.step_func_done(function(e) { assert_equals("style-src-elem", e.violatedDirective); })); </script> <link href="/content-security-policy/style-src/resources/style-src.css" rel=stylesheet type=text/css> </head> <body> <div id='log'></div> <div id="content">Lorem ipsum</div> <script> t.step(function() { var contentEl = document.getElementById("content"); var marginLeftVal = getComputedStyle(contentEl).getPropertyValue('margin-left'); assert_not_equals(marginLeftVal, "2px"); t.done(); }); </script> </body> </html>