testing/web-platform/tests/web-animations/responsive/perspective.html
author Sandor Molnar <smolnar@mozilla.com>
Fri, 11 Jul 2025 19:57:29 +0300 (4 hours ago)
changeset 796221 8ba6984a5604ac7dcf50325b1a0ebadf9e305d22
parent 647063 4bf2b6328647683f02bb9e8ab00d2c377e5f380c
permissions -rw-r--r--
Revert "Bug 1972411 - give gnome-shell and pipewire more time to start, and retry the task if we time out. r=jmaher" for causing linux perma failures This reverts commit 2b905fe7199c9210434f7c7f8326b57025c91c55. Revert "Bug 1972411 - make /builds/worker/fetches a volume in the test docker image. r=releng-reviewers,Eijebong" This reverts commit 9d15aecaf6a08b98d3c47f2d0e644e35341b2520.
<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<div id='container'>
<div id='element'></div>
</div>

<script>
var element = document.getElementById('element');
var container = document.getElementById('container');

test(function() {
    element.style.fontSize = '10px';
    var player = element.animate([{perspective: '3em'}, {perspective: '5em'}], 10);
    player.pause();
    player.currentTime = 5;
    element.style.fontSize = '20px';
    assert_equals(getComputedStyle(element).perspective, '80px');
}, 'perspective responsive to style changes');

test(function() {
    element.style.fontSize = '10px';
    var player = element.animate([{perspective: '40px'}, {perspective: 'calc(40px - 2em)'}], 10);
    player.pause();

    player.currentTime = 5;
    element.style.fontSize = '40px';
    assert_equals(getComputedStyle(element).perspective, '20px');

    player.currentTime = 7.5;
    assert_equals(getComputedStyle(element).perspective, '10px');
}, 'perspective clamped to 0px on keyframes');

test(function() {
    container.style.perspective = 'none';
    var player = element.animate([{perspective: 'inherit'}, {perspective: '20px'}], 4000);
    player.pause();

    player.currentTime = 1000;
    assert_equals(getComputedStyle(element).perspective, 'none');

    container.style.perspective = '100px';
    assert_equals(getComputedStyle(element).perspective, '80px');

    container.style.perspective = 'none';
    assert_equals(getComputedStyle(element).perspective, 'none');
}, 'perspective responsive to inherited changes');
</script>