<!DOCTYPE html> <title>Test of sandboxed features - alert</title> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script src="/common/utils.js"></script> <script src="resources/utils.js"></script> <script src="resources/sandboxed-features.js"></script> <body> <script> run_sanboxed_feature_test('test_alert', 'The fenced frame must fail to open an alert dialog.'); </script> </body>