1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/generic/test/test_overflow_event.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,50 @@
1.4 +<!DOCTYPE HTML>
1.5 +<html>
1.6 +<head>
1.7 + <meta charset="utf-8">
1.8 + <title>Test for overflow events</title>
1.9 + <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
1.10 + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
1.11 + <script type="application/javascript">
1.12 +
1.13 + SimpleTest.waitForExplicitFinish();
1.14 +
1.15 + window.addEventListener("load", function(event) {
1.16 + if (event.target == document) {
1.17 + test_bug981637();
1.18 + }
1.19 + }, false);
1.20 +
1.21 + /** Test for Bug 981637: correct overflow event firing in updateOverflow **/
1.22 +
1.23 + var overflow_fired = false;
1.24 + function overflow_listener(event) {
1.25 + overflow_fired = true;
1.26 + }
1.27 +
1.28 + function test_bug981637() {
1.29 + var outerDiv = document.getElementById("bug981637");
1.30 + var innerDiv = outerDiv.firstChild;
1.31 + innerDiv.offsetWidth; // flush layout
1.32 + is(overflow_fired, false, "correct setup");
1.33 + outerDiv.addEventListener("overflow", overflow_listener, false);
1.34 + innerDiv.style.transform = "scale(1.2)";
1.35 + innerDiv.offsetWidth; // flush layout
1.36 + // run finish step after the overflow event fires (off the event loop)
1.37 + setTimeout(test_bug981637_step2, 0);
1.38 + }
1.39 +
1.40 + function test_bug981637_step2() {
1.41 + is(overflow_fired, true, "overflow event should have fired after updating transform");
1.42 + SimpleTest.finish();
1.43 + }
1.44 +
1.45 + </script>
1.46 +</head>
1.47 +<body>
1.48 +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=981637">Mozilla Bug 981637</a>
1.49 +<div id="bug981637" style="overflow: hidden; width: 100px; height: 100px;"><div style="transform: scale(0.8); width: 100px; height: 100px"></div></div>
1.50 +<pre id="test">
1.51 +</pre>
1.52 +</body>
1.53 +</html>
