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+++ b/layout/reftests/svg/smil/anim-change-display-block-for-dynamically-appended-elem.html
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+<!DOCTYPE html>
+<html class="reftest-wait">
+ <head>
+ <title>Test dynamically-appended animation in a subtree that dynamically became 'display:none'</title>
+ </head>
+ <body style="background-color: lime;">
+ <div id="target" style="display: none;">
+ <svg>
+ <rect width="100" height="100" fill="brown" id="rect">
+ </rect>
+ </svg>
+ </div>
+ <script>
+ document.addEventListener('MozReftestInvalidate', function() {
+ var svg = document.getElementsByTagName("svg")[0];
+ svg.pauseAnimations(); // pause svg animation.
+
+ var target = document.getElementById("target");
+ var rect = document.getElementById("rect");
+ var animate = document.createElementNS('http://www.w3.org/2000/svg',
+ 'animate');
+ animate.setAttribute('attributeName', 'fill');
+ animate.setAttribute('from', 'blue');
+ animate.setAttribute('to', 'red');
+ animate.setAttribute('dur', '100s');
+ rect.appendChild(animate);
+
+ requestAnimationFrame(function(time) {
+ target.style.display = 'block';
+ requestAnimationFrame(function(time) {
+ document.documentElement.removeAttribute("class");
+ });
+ });
+ });
+ </script>
+ </body>
+</html>