| <!DOCTYPE html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="support/helper.sub.js"></script> |
| <meta http-equiv="Content-Security-Policy" content="trusted-types *"> |
| |
| <body> |
| <script> |
| |
| test(t => { |
| event_listener = (e) => { |
| assert_equals(e.policyName, "default"); |
| e.preventDefault(); // don't let this policy be created. |
| }; |
| trustedTypes.addEventListener('beforecreatepolicy', event_listener, {once:true}); |
| assert_throws_dom("NotAllowedError", () => trustedTypes.createPolicy("default", {})); |
| }, 'Block Trusted Type policy creation by event listener.'); |
| |
| test(t => { |
| let flag = false; |
| event_listener = (e) => { |
| assert_equals(e.policyName, "myPolicy"); |
| flag = true; |
| }; |
| trustedTypes.addEventListener('beforecreatepolicy', event_listener, {once:true}); |
| trustedTypes.createPolicy("myPolicy", {}); |
| assert_equals(flag, true); |
| }, 'Trusted Type policy creation.'); |
| |
| test(t => { |
| event_listener = (e) => { |
| if (e.policyName === "default") |
| e.preventDefault(); |
| }; |
| trustedTypes.addEventListener('beforecreatepolicy', event_listener, {once:true}); |
| assert_throws_dom("NotAllowedError", () => trustedTypes.createPolicy("default", {})); |
| trustedTypes.createPolicy("newPolicy", {}); |
| }, 'Block only default Trusted Type policy creation.'); |
| |
| test(t => { |
| event_listener = (e) => { |
| assert_unreached(); |
| }; |
| trustedTypes.createPolicy("test", {}); |
| trustedTypes.addEventListener('beforecreatepolicy', event_listener, {once:true}); |
| }, 'Policy creation called before addEventListener function will not reached the listener.'); |
| |
| </script> |
