<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Security-Policy" content="style-src-elem 'none'; style-src 'unsafe-inline';"> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script> var t = async_test("Should fire a security policy violation event"); window.addEventListener('securitypolicyviolation', t.step_func_done(function(e) { assert_equals(e.violatedDirective, 'style-src-elem'); assert_equals(e.blockedURI, 'inline'); })); </script> </head> <body> <style> body {background: green;} </style> <script> async_test(function(test) { assert_equals(document.styleSheets.length, 0); test.done(); }, "The inline style should not be applied"); </script> </body> </html>