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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1151667
+-->
+<head>
+ <title>Test for Bug 1151667</title>
+ <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
+ <script type="application/javascript" src="/tests/SimpleTest/paint_listener.js"></script>
+ <script type="application/javascript" src="apz_test_native_event_utils.js"></script>
+ <script type="application/javascript" src="apz_test_utils.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+ <style>
+ #subframe {
+ margin-top: 100px;
+ height: 500px;
+ width: 500px;
+ overflow: scroll;
+ }
+ #subframe-content {
+ height: 1000px;
+ width: 500px;
+ /* the background is so that we can see it scroll*/
+ background: repeating-linear-gradient(#EEE, #EEE 100px, #DDD 100px, #DDD 200px);
+ }
+ #page-content {
+ height: 5000px;
+ width: 500px;
+ }
+ </style>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1151667">Mozilla Bug 1151667</a>
+<p id="display"></p>
+<div id="subframe">
+ <!-- This makes sure the subframe is scrollable -->
+ <div id="subframe-content"></div>
+</div>
+<!-- This makes sure the page is also scrollable, so it (rather than the subframe)
+ is considered the primary async-scrollable frame, and so the subframe isn't
+ layerized upon page load. -->
+<div id="page-content"></div>
+<pre id="test">
+<script type="application/javascript;version=1.7">
+
+function startTest() {
+ var subframe = document.getElementById('subframe');
+ synthesizeNativeWheelAndWaitForScrollEvent(subframe, 100, 150, 0, -10, continueTest);
+}
+
+function continueTest() {
+ var subframe = document.getElementById('subframe');
+ is(subframe.scrollTop > 0, true, "We should have scrolled the subframe down");
+ is(document.documentElement.scrollTop, 0, "We should not have scrolled the page");
+ SimpleTest.finish();
+}
+
+SimpleTest.waitForExplicitFinish();
+waitUntilApzStable().then(startTest);
+
+</script>
+</pre>
+</body>
+</html>