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+<!DOCTYPE HTML>
+<html>
+<head>
+ <meta charset="utf-8">
+ <title>Test for overflow events</title>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+ <script type="application/javascript">
+
+ SimpleTest.waitForExplicitFinish();
+
+ window.addEventListener("load", function(event) {
+ if (event.target == document) {
+ test_bug981637();
+ }
+ });
+
+ /** Test for Bug 981637: correct overflow event firing in updateOverflow **/
+
+ var overflow_fired = false;
+ function overflow_listener(event) {
+ overflow_fired = true;
+ }
+
+ function test_bug981637() {
+ var outerDiv = document.getElementById("bug981637");
+ var innerDiv = outerDiv.firstChild;
+ innerDiv.offsetWidth; // flush layout
+ is(overflow_fired, false, "correct setup");
+ outerDiv.addEventListener("overflow", overflow_listener);
+ innerDiv.style.transform = "scale(1.2)";
+ innerDiv.offsetWidth; // flush layout
+ // run finish step after the overflow event fires (off the event loop)
+ setTimeout(test_bug981637_step2, 0);
+ }
+
+ function test_bug981637_step2() {
+ is(overflow_fired, true, "overflow event should have fired after updating transform");
+ SimpleTest.finish();
+ }
+
+ </script>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=981637">Mozilla Bug 981637</a>
+<div id="bug981637" style="overflow: hidden; width: 100px; height: 100px;"><div style="transform: scale(0.8); width: 100px; height: 100px"></div></div>
+<pre id="test">
+</pre>
+</body>
+</html>