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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
commit2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
treeb80bf8bf13c3766139fbacc530efd0dd9d54394c /layout/style/test/test_animations_variable_changes.html
parentInitial commit. (diff)
downloadfirefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz
firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>Tests that animations respond to changes to variables</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="../testcommon.js"></script>
+<style>
+:root {
+ --width: 100px;
+}
+.wider {
+ --width: 200px;
+}
+@keyframes widen {
+ to { margin-left: var(--width) }
+}
+</style>
+<body>
+<div id="log"></div>
+<script>
+
+test(() => {
+ const div = document.createElement('div');
+ document.body.append(div);
+
+ div.style.animation = 'widen step-start 100s';
+ assert_equals(getComputedStyle(div).marginLeft, '100px',
+ 'Animation value before updating CSS variable');
+
+ div.classList.add('wider');
+
+ assert_equals(getComputedStyle(div).marginLeft, '200px',
+ 'Animation value after updating CSS variable');
+
+ div.remove();
+}, 'Animation reflects changes to custom properties');
+
+test(() => {
+ const parent = document.createElement('div');
+ const child = document.createElement('div');
+ parent.append(child);
+ document.body.append(parent);
+
+ child.style.animation = 'widen step-start 100s';
+ assert_equals(getComputedStyle(child).marginLeft, '100px',
+ 'Animation value before updating CSS variable');
+
+ parent.classList.add('wider');
+
+ assert_equals(getComputedStyle(child).marginLeft, '200px',
+ 'Animation value after updating CSS variable');
+
+ parent.remove();
+ child.remove();
+}, 'Animation reflect changes to custom properties on parent');
+
+</script>
+</body>