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+++ b/testing/web-platform/tests/permissions-policy/experimental-features/focus-without-user-activation-enabled-tentative.sub.html
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+<!DOCTYPE html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="./resources/common.js"></script>
+<title> 'focus-without-user-activation' Policy : Correctly block automatic focus when policy disabled
+</title>
+<body>
+<script>
+ "use strict"
+ // Note: According to html spec: https://html.spec.whatwg.org/#attr-fe-autofocus,
+ // topDocument's autofocus processed flag initially is false and is set to true
+ // after flushing autofocus candidates, i.e. flush of autofocus candidates
+ // only happens once per page load.
+ // In order to test the behaviour with both focus-without-user-activation on and off:
+ // two test files are necessary:
+ // - focus-without-user-activation-disabled-tentative.html
+ // - focus-without-user-activation-enabled-tentative.sub.html
+
+ // Cross origin subframe should not be able to use autofocus to steal focus
+ // from main frame by default. However, with focus-without-user-activation
+ // enabled for subframe, subframe should be able to autofocus.
+ const url = "http://{{hosts[alt][www1]}}:{{ports[http][0]}}/permissions-policy/experimental-features/resources/focus-without-user-activation-iframe-tentative.html";
+
+ function subframe_focused(subframe, event_name, timeout) {
+ return new Promise(resolve => {
+ window.onmessage = m => resolve(m.data.focused);
+ subframe.contentWindow.postMessage({
+ event: event_name,
+ timeout: timeout
+ }, "*");
+ });
+ }
+
+ promise_test( async (instance) => {
+ const frame = createIframe(document.body, {
+ sandbox: "allow-scripts allow-same-origin",
+ allow: "focus-without-user-activation *",
+ src: url
+ });
+
+ await wait_for_load(frame);
+ assert_true(await subframe_focused(frame, "autofocus"), "'autofocus' should work.");
+ window.focus(); // Reset focus state in subframe.
+ assert_true(await subframe_focused(frame, "focus-input"), "'element.focus' should work.");
+ window.focus(); // Reset focus state in subframe.
+ assert_true(await subframe_focused(frame, "focus-window"), "'window.focus' should work.");
+ window.focus(); // Reset focus state in subframe.
+ }, "When the policy is enabled, 'autofocus' and scripted focus do focus " +
+ "the document.");
+</script>
+</body>