mozilla-central/testing/web-platform/tests/focus/activeelement-after-calling-window-focus.sub.html

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Test Info: Warnings

<!doctype html>
<meta charset=utf-8>
<title>activeElement after calling window.focus()</title>
<meta name="timeout" content="long">
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script>
function waitForEvent(target, event, checkFn) {
return new Promise(resolve => {
target.addEventListener(event, e => {
if (checkFn && !checkFn(e)) {
return;
}
resolve();
}, { once: true });
});
}
function start(w) {
w.postMessage("start", "*");
}
function focusInnerInput(w) {
w.postMessage("focusinnerinput", "*");
}
function focusInnerFrame(w) {
w.postMessage("focusinner", "*");
}
function focusMiddleFrame(w) {
w.postMessage("focusmiddle", "*");
}
function focusOuterFrame(w) {
w.postMessage("focusouter", "*");
}
// This will send message to outer frame and also inner frame to ask them
// send the log they collect back, the logs of outer and inner will be
// concatenated.
async function getLog(w) {
let log = "";
step_timeout(function() {
w.postMessage("getlog", "*");
}, 0);
await waitForEvent(window, "message", (e) => {
log = e.data;
return true;
});
return log;
}
async function runTest(t, url) {
let w = window.open(url);
t.add_cleanup(() => { w.close(); });
await waitForEvent(window, "message", e => e.data === "ready");
start(w);
// Calling input.focus() on inner iframe should move its document.activeElement to INPUT.
focusInnerInput(w);
assert_equals(await getLog(w), 'outerlog:windowblur,middlelog:innerlog:windowfocus,INPUT,');
// Calling window.focus() on inner iframe should NOT reset its document.activeElement to BODY
// because it's focused element is not an iframe.
focusInnerFrame(w);
assert_equals(await getLog(w), 'outerlog:windowblur,middlelog:innerlog:windowfocus,INPUT,INPUT,');
// Calling window.focus() on middle iframe should reset its document.activeElement to BODY.
focusMiddleFrame(w);
assert_equals(await getLog(w), 'outerlog:windowblur,middlelog:windowfocus,BODY,innerlog:windowfocus,INPUT,INPUT,windowblur,');
// Calling window.focus() on top-level frame should reset its document.activeElement to BODY.
focusOuterFrame(w);
assert_equals(await getLog(w), 'outerlog:windowblur,windowfocus,BODY,middlelog:windowfocus,BODY,windowblur,innerlog:windowfocus,INPUT,INPUT,windowblur,');
}
promise_test(async t => {
}, "Tests for all frames are in same origin");
promise_test(async t => {
}, "Tests for middle frame and inner frame are in same origin and outer frame is in different origin");
promise_test(async t => {
}, "Tests for outer frame and middle frame are in same origin and inner frame is in different origin");
promise_test(async t => {
}, "Tests for outer frame and inner frame are in same origin and middle frame is in different origin");
promise_test(async t => {
await runTest(t, "support/activeelement-after-calling-window-focus-outer-different.sub.html");
}, "Tests for all frames are in different origin");
</script>