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
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Radio buttons should scroll into view when focused (if off-screen)</title>
<link rel="help" href="https://html.spec.whatwg.org/multipage/interaction.html#keyboard-accessibility-navigation-radios">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<style>
input[type="radio"] {
display: block;
}
#offscreen-radio {
margin-top: 200vh;
}
</style>
</head>
<body>
<h1>Radio buttons should scroll into view when focused (if off-screen)</h1>
<form>
<input type="radio" name="group" id="radio1">
<input type="radio" name="group" id="radio2">
<input type="radio" name="group" id="offscreen-radio">
</form>
<script>
function simulateArrowDown() {
return new test_driver.Actions()
.keyDown("\uE015") // "ArrowDown" code point: https://www.w3.org/TR/webdriver2/#keyboard-actions
.send();
}
promise_test(async t => {
const firstRadio = document.getElementById("radio1");
const offscreenRadio = document.getElementById("offscreen-radio");
const focusPromise = new Promise(resolve =>
offscreenRadio.onfocus = () => t.step_timeout(resolve, 50)
);
firstRadio.focus();
await simulateArrowDown();
await simulateArrowDown();
await focusPromise;
const scrollTop = document.scrollingElement.scrollTop;
assert_equals(offscreenRadio, document.activeElement, 'offscreen radio is focused');
assert_greater_than(scrollTop, 500, `out-of-viewport radio should trigger scroll — scrollTop=${scrollTop}`);
}, 'Focusing offscreen radio via keyboard should scroll it into view');
</script>
</body>
</html>
|
