1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<script>
promise_test(async t => {
let intercept_resolve;
navigation.addEventListener("navigate", e => {
e.intercept({ handler: () => new Promise(resolve => intercept_resolve = resolve),
focusReset: "after-transition" });
}, { once: true });
const button = document.body.appendChild(document.createElement("button"));
const button2 = document.body.appendChild(document.createElement("button"));
button2.tabIndex = 0;
t.add_cleanup(() => {
button.remove();
button2.remove();
});
assert_equals(document.activeElement, document.body, "Start on body");
button.focus();
assert_equals(document.activeElement, button, "focus() worked");
const finished = navigation.navigate("#1").finished;
let onfocus_called = false;
document.body.onfocus = onfocus_called = true;
button.remove();
assert_equals(document.activeElement, document.body, "Removing the element reset focus");
assert_true(onfocus_called);
document.body.onfocus = t.unreached_func("onfocus shouldn't fire a second time due to focus reset");
intercept_resolve();
await finished;
assert_equals(document.activeElement, document.body, "Focus remains on document.body after promise fulfills");
await new Promise(resolve => t.step_timeout(resolve, 10));
}, "");
</script>
</body>
|
