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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1013412
+-->
+<head>
+ <title>Test for Bug 1013412</title>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <script src="/tests/SimpleTest/EventUtils.js"></script>
+ <script src="/tests/SimpleTest/paint_listener.js"></script>
+ <script type="application/javascript" src="apz_test_utils.js"></script>
+ <script type="application/javascript" src="apz_test_native_event_utils.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+ <style>
+ #content {
+ height: 800px;
+ overflow: scroll;
+ }
+
+ #scroller {
+ height: 2000px;
+ background: repeating-linear-gradient(#EEE, #EEE 100px, #DDD 100px, #DDD 200px);
+ }
+
+ #scrollbox {
+ margin-top: 200px;
+ width: 500px;
+ height: 500px;
+ border-radius: 250px;
+ box-shadow: inset 0 0 0 60px #555;
+ background: #777;
+ }
+
+ #circle {
+ position: relative;
+ left: 240px;
+ top: 20px;
+ border: 10px solid white;
+ border-radius: 10px;
+ width: 0px;
+ height: 0px;
+ transform-origin: 10px 230px;
+ will-change: transform;
+ }
+ </style>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1161206">Mozilla Bug 1161206</a>
+<p id="display"></p>
+<div id="content">
+ <p>Scrolling the page should be async, but scrolling over the dark circle should not scroll the page and instead rotate the white ball.</p>
+ <div id="scroller">
+ <div id="scrollbox">
+ <div id="circle"></div>
+ </div>
+ </div>
+</div>
+<pre id="test">
+<script type="application/javascript">
+
+var rotation = 0;
+var rotationAdjusted = false;
+
+var incrementForMode = function(mode) {
+ switch (mode) {
+ case WheelEvent.DOM_DELTA_PIXEL: return 1;
+ case WheelEvent.DOM_DELTA_LINE: return 15;
+ case WheelEvent.DOM_DELTA_PAGE: return 400;
+ }
+ return 0;
+};
+
+document.getElementById("scrollbox").addEventListener("wheel", function(e) {
+ rotation += e.deltaY * incrementForMode(e.deltaMode) * 0.2;
+ document.getElementById("circle").style.transform = "rotate(" + rotation + "deg)";
+ rotationAdjusted = true;
+ e.preventDefault();
+});
+
+async function test() {
+ var content = document.getElementById("content");
+ for (let i = 0; i < 300; i++) { // enough iterations that we would scroll to the bottom of 'content'
+ await promiseNativeWheelAndWaitForWheelEvent(content, 100, 150, 0, -5);
+ }
+ is(content.scrollTop > 0, true, "We should have scrolled down somewhat");
+ is(content.scrollTop < content.scrollTopMax, true, "We should not have scrolled to the bottom of the scrollframe");
+ is(rotationAdjusted, true, "The rotation should have been adjusted");
+}
+
+SimpleTest.waitForExplicitFinish();
+
+// If we allow smooth scrolling the "smooth" scrolling may cause the page to
+// glide past the scrollbox (which is supposed to stop the scrolling) and so
+// we might end up at the bottom of the page.
+pushPrefs([["general.smoothScroll", false]])
+.then(waitUntilApzStable)
+.then(test)
+.then(SimpleTest.finish, SimpleTest.finishWithFailure);
+
+</script>
+</pre>
+
+</body>
+</html>