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<!DOCTYPE html>
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="resources/open-blank-host.js"></script>
<body>
<script>
async function createPortal(doc, url) {
assert_implements("HTMLPortalElement" in self);
let portal = doc.createElement("portal");
portal.src = url;
doc.body.appendChild(portal);
await new Promise(r => portal.onload = r);
return portal;
}
promise_test(async t => {
let portal = await createPortal(document, new URL("resources/focus-page-with-button.html", location.href));
try {
portal.onmessage = t.step_func(e => {
assert_unreached("button inside portal should not be focused");
});
portal.postMessage("focus");
await new Promise(r => t.step_timeout(r, 500));
} finally {
document.body.removeChild(portal);
}
}, "test that an element inside a portal cannot steal focus");
promise_test(async () => {
let portal = await createPortal(document, new URL("resources/focus-page-with-button.html", location.href));
try {
let activeElementUpdated = new Promise(r => {
portal.onmessage = e => r(e.data.activeElementUpdated)
});
portal.postMessage('focus-update-active-element');
assert_true(await activeElementUpdated);
} finally {
document.body.removeChild(portal);
}
}, "test that activeElement inside a portal is updated after focus() is called");
promise_test(async t => {
let portal = await createPortal(document, new URL("resources/focus-page-with-x-origin-iframe.sub.html", location.href));
try {
portal.onmessage = t.step_func(e => {
assert_unreached("button inside portal should not be focused");
});
portal.postMessage("focus");
await new Promise(r => t.step_timeout(r, 500));
} finally {
document.body.removeChild(portal);
}
}, "test that an element inside a portal's x-origin subframe cannot steal focus");
promise_test(async () => {
let portal = await createPortal(document, new URL("resources/focus-page-with-x-origin-iframe.sub.html", location.href));
try {
portal.postMessage("focus-update-active-element");
let {activeElementUpdated} = await new Promise(r => {
portal.onmessage = e => r(e.data);
});
assert_true(activeElementUpdated);
} finally {
document.body.removeChild(portal);
}
}, "test that a portal's x-origin subframe becomes active element on focus");
promise_test(async t => {
let win = await openBlankPortalHost();
let doc = win.document;
try {
let portal = await createPortal(doc, new URL("resources/simple-portal-adopts-predecessor.html", location.href));
let button = doc.createElement("button");
doc.body.appendChild(button);
await portal.activate();
doc.body.removeChild(portal);
button.onfocus = t.step_func(() => {
assert_unreached("button inside adopted portal should not be focused");
});
button.focus();
await new Promise(r => t.step_timeout(r, 500));
} finally {
win.close();
}
}, "test that an element inside an adopted portal cannot steal focus");
promise_test(async t => {
let win = await openBlankPortalHost();
let doc = win.document;
try {
let portal = await createPortal(doc, new URL("resources/simple-portal-adopts-predecessor.html", location.href));
let iframe = doc.createElement("iframe");
iframe.src = new URL("resources/focus-page-with-button.html",
"http://{{hosts[alt][www]}}:{{ports[http][0]}}/portals/");
doc.body.appendChild(iframe);
await new Promise(r => iframe.onload = r);
await portal.activate();
doc.body.removeChild(portal);
iframe.contentWindow.postMessage("focus", "*");
window.onmessage = t.step_func(() => {
assert_unreached("button inside x-origin iframe inside a portal should not be focused");
});
await new Promise(r => t.step_timeout(r, 500));
} finally {
win.close();
}
}, "test that a x-origin iframe inside an adopted portal cannot steal focus");
promise_test(async () => {
let win = await openBlankPortalHost();
let doc = win.document;
try {
let portal = await createPortal(doc, new URL("resources/focus-page-with-autofocus.html", location.href));
portal.postMessage('check-active-element');
let result = await new Promise(r => {
portal.onmessage = e => r(e.data);
});
assert_true(result, "autofocused element is active element");
await portal.activate();
win.portalHost.postMessage('check-active-element');
result = await new Promise(r => {
win.portalHost.onmessage = e => r(e.data)
});
assert_true(result, "autofocused element is still active element");
} finally {
win.close();
}
}, "test that autofocus inside a portal works");
const TAB = "\ue004"; // https://w3c.github.io/webdriver/#keyboard-actions
const SPACE = " "
const RETURN = "\r";
promise_test(async t => {
let portal = await createPortal(document, "resources/focus-page-with-button.html");
try {
await test_driver.send_keys(document.body, TAB);
portal.onmessage = t.unreached_func("button inside portal should not be focused");
await new Promise(r => t.step_timeout(r, 500));
} finally {
document.body.removeChild(portal);
}
}, "test that a portal is keyboard focusable");
promise_test(async t => {
let portal = await createPortal(document, "resources/focus-page-with-button.html");
try {
let portalFocusPromise = new Promise(r => portal.onfocus = r);
portal.onmessage = t.unreached_func("button inside portal should not be focused");
await test_driver.send_keys(document.body, TAB);
await portalFocusPromise;
await test_driver.send_keys(document.body, TAB);
await new Promise(r => t.step_timeout(r, 500));
} finally {
document.body.removeChild(portal);
}
}, "test that we cannot tab into a portal's contents");
promise_test(async t => {
let portal = await createPortal(document, "resources/simple-portal.html");
try {
portal.focus();
for (let key of [SPACE, RETURN]) {
let clickPromise = new Promise((resolve) => {
portal.onclick = e => { e.preventDefault(); resolve(); };
});
await test_driver.send_keys(document.body, key);
await clickPromise;
}
} finally {
document.body.removeChild(portal);
}
}, "test that a portal is keyboard activatable");
</script>
</body>
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