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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /layout/style/test/test_animations_variable_changes.html
parentInitial commit. (diff)
downloadthunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz
thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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diff --git a/layout/style/test/test_animations_variable_changes.html b/layout/style/test/test_animations_variable_changes.html
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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>