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-rw-r--r--layout/reftests/css-animations/change-animation-name-to-non-existent-in-rule.html25
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diff --git a/layout/reftests/css-animations/change-animation-name-to-non-existent-in-rule.html b/layout/reftests/css-animations/change-animation-name-to-non-existent-in-rule.html
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index 0000000000..6ec117896a
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+++ b/layout/reftests/css-animations/change-animation-name-to-non-existent-in-rule.html
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+<!DOCTYPE html>
+<html class="reftest-wait">
+<style>
+#target {
+ animation: red 100s;
+}
+@keyframes red {
+ 0% { background-color: red; }
+ 100% { background-color: red; }
+}
+div {
+ background-color: green;
+ width: 100px;
+ height: 100px;
+}
+</style>
+<div id="target"></div>
+<script>
+document.addEventListener('MozReftestInvalidate', () => {
+ requestAnimationFrame(() => {
+ document.styleSheets[0].cssRules[0].style.animationName = 'non-existent';
+ document.documentElement.classList.remove('reftest-wait');
+ });
+}, false);
+</script>