focus-without-user-activation-disabled-tentative.html (2300B)
1 <!DOCTYPE html> 2 <script src="/resources/testharness.js"></script> 3 <script src="/resources/testharnessreport.js"></script> 4 <script src="./resources/common.js"></script> 5 <title> 'focus-without-user-activation' Policy : Correctly block automatic focus when policy disabled 6 </title> 7 <body> 8 <script> 9 "use strict" 10 // Note: According to html spec: https://html.spec.whatwg.org/#attr-fe-autofocus, 11 // topDocument's autofocus processed flag initially is false and is set to true 12 // after flushing autofocus candidates, i.e. flush of autofocus candidates 13 // only happens once per page load. 14 // In order to test the behaviour with both focus-without-user-activation on and off: 15 // two test files are necessary: 16 // - focus-without-user-activation-disabled-tentative.html 17 // - focus-without-user-activation-enabled-tentative.sub.html 18 19 // Use same origin url here because when iframe document has cross origin 20 // url, autofocus will be blocked by default with following console error: 21 // "Blocked autofocusing on a form control in a cross-origin subframe." 22 const url = "/feature-policy/experimental-features/resources/focus-without-user-activation-iframe-tentative.html"; 23 24 function subframe_focused(subframe, event_name, timeout) { 25 return new Promise(resolve => { 26 window.onmessage = m => resolve(m.data.focused); 27 subframe.contentWindow.postMessage({ 28 event: event_name, 29 timeout: timeout 30 }, "*"); 31 }); 32 } 33 34 promise_test( async (instance) => { 35 const frame = createIframe(document.body, { 36 sandbox: "allow-scripts allow-same-origin", 37 allow: "focus-without-user-activation 'none'", 38 src: url 39 }); 40 41 await wait_for_load(frame); 42 assert_false(await subframe_focused(frame, "autofocus", 400), "'autofocus' should not work."); 43 window.focus(); // Reset focus state in subframe. 44 assert_false(await subframe_focused(frame, "focus-input", 400), "'element.focus' should not work."); 45 window.focus(); // Reset focus state in subframe. 46 assert_false(await subframe_focused(frame, "focus-window", 400), "'window.focus' should not work."); 47 window.focus(); // Reset focus state in subframe. 48 }, "When the policy is disabled, 'autofocus' and scripted focus do not focus " + 49 "the document."); 50 </script> 51 </body>