mozilla-central: testing/web-platform/tests/web-animations/responsive/fontSize.html@f14d1c1492bc6791542a001365abbca4bd9b28db

<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id='container'>
    <div id='element'></div>
</div>
<script>

var container = document.getElementById('container');
var element = document.getElementById('element');

test(function() {
    var keyframes = [
        {fontSize: 'larger'},
        {fontSize: 'larger'}
    ];

    container.style.fontSize = 'small';
    var player = element.animate(keyframes, 10);
    player.pause();
    player.currentTime = 5;
    fontSize = getComputedStyle(element).fontSize;
    container.style.fontSize = 'medium';
    assert_not_equals(getComputedStyle(element).fontSize, fontSize);
}, 'Relative font size larger responsive to style changes');

test(function() {
    var keyframes = [
        {fontSize: 'smaller'},
        {fontSize: 'smaller'}
    ];

    container.style.fontSize = 'large';
    var player = element.animate(keyframes, 10);
    player.pause();
    player.currentTime = 5;
    fontSize = getComputedStyle(element).fontSize;
    container.style.fontSize = 'medium';
    assert_not_equals(getComputedStyle(element).fontSize, fontSize);
}, 'Relative font size smaller responsive to style changes');

test(function() {
    var keyframes = [
        {fontSize: 'medium'},
        {fontSize: 'medium'}
    ];

    container.style.fontFamily = 'cursive';
    var player = element.animate(keyframes, 10);
    player.pause();
    player.currentTime = 5;
    fontSize = getComputedStyle(element).fontSize;
    container.style.fontFamily = 'monospace';
    assert_not_equals(getComputedStyle(element).fontSize, fontSize);
}, 'Font size medium responsive to style changes');

test(function() {
    var keyframes = [
        {fontSize: 'initial'},
        {fontSize: 'initial'}
    ];

    container.style.fontFamily = 'monospace';
    var player = element.animate(keyframes, 10);
    player.pause();
    player.currentTime = 5;
    fontSize = getComputedStyle(element).fontSize;
    container.style.fontFamily = 'serif';
    assert_not_equals(getComputedStyle(element).fontSize, fontSize);
}, 'Font size initial responsive to style changes');

</script>

author	Lando <lando@lando.test>
	Fri, 11 Jul 2025 04:32:24 +0000 (3 hours ago)
changeset 796014	f14d1c1492bc6791542a001365abbca4bd9b28db
parent 599036	50b1885d1bd195ef648692f97e3313fb01a45e4d
permissions	-rw-r--r--