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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=946632
+-->
+<head>
+ <title>Test for bug 946632 - propagate mouse-wheel vertical scroll events to container</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="/tests/gfx/layers/apz/test/mochitest/apz_test_utils.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+ <style>
+ .scrollable {
+ overflow: scroll;
+ height: 200px;
+ width: 200px;
+ }
+ input {
+ font-size: 72px;
+ height: 20px;
+ width: 20px;
+ }
+ </style>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=946632">Mozilla Bug 946632</a>
+<p id="display"></p>
+<div id="container" class="scrollable">
+ <input value="value">
+ x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>
+ xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+</div>
+<div id="content" style="display: none">
+
+</div>
+<pre id="test">
+<script type="application/javascript">
+
+SimpleTest.waitForExplicitFinish();
+SimpleTest.waitForFocus(function() {
+ SpecialPowers.pushPrefEnv({
+ "set":[["general.smoothScroll", false],
+ ["mousewheel.system_scroll_override.enabled", false],
+ ["test.events.async.enabled", true]]
+ }, runTests)
+ }, window);
+
+var input = document.querySelector("input");
+var container = document.querySelector("#container");
+
+function reset()
+{
+ container.scrollTop = 0;
+ container.scrollLeft = 0;
+ input.scrollTop = 0;
+ input.scrollLeft = 0;
+ container.style.display='none';
+ container.getBoundingClientRect();
+}
+
+function prepare(check)
+{
+ return new Promise(resolve => {
+ container.style.display='';
+ container.getBoundingClientRect();
+ scrollHandler = function(event) {
+ window.removeEventListener("scroll", arguments.callee, true);
+ event.stopPropagation();
+ check(event)
+ resolve();
+ };
+ window.addEventListener("scroll", scrollHandler, true);
+ });
+}
+
+var tests = [
+ {
+ check(event) {
+ is(event.target, container, "<input> vertical line scroll targets container");
+ ok(container.scrollTop > 0, "<input> vertical line scroll container.scrollTop");
+ is(container.scrollLeft, 0, "<input> vertical line scroll container.scrollLeft");
+ is(input.scrollTop, 0, "<input> horizontal line scroll input.scrollTop");
+ is(input.scrollLeft, 0, "<input> horizontal line scroll input.scrollLeft");
+ },
+ event: {
+ deltaMode: WheelEvent.DOM_DELTA_LINE,
+ deltaY: 1.0,
+ lineOrPageDeltaY: 1,
+ }
+ },
+ {
+ check(event) {
+ is(event.target, input, "<input> horizontal line scroll targets <input>");
+ is(input.scrollTop, 0, "<input> horizontal line scroll input.scrollTop");
+ ok(input.scrollLeft > 0, "<input> horizontal line scroll input.scrollLeft");
+ is(container.scrollTop, 0, "<input> horizontal line scroll container.scrollTop");
+ is(container.scrollLeft, 0, "<input> horizontal line scroll container.scrollLeft");
+ },
+ event: {
+ deltaMode: WheelEvent.DOM_DELTA_LINE,
+ deltaX: 1.0,
+ lineOrPageDeltaX: 1
+ }
+ },
+ {
+ check(event) {
+ is(event.target, container, "<input> vertical page scroll targets container");
+ ok(container.scrollTop > 0, "<input> vertical line scroll container.scrollTop");
+ is(container.scrollLeft, 0, "<input> vertical line scroll container.scrollLeft");
+ is(input.scrollTop, 0, "<input> vertical page scroll input.scrollTop");
+ is(input.scrollLeft, 0, "<input> vertical page scroll input.scrollLeft");
+ },
+ event: {
+ deltaMode: WheelEvent.DOM_DELTA_PAGE,
+ deltaY: 1.0,
+ lineOrPageDeltaY: 1
+ }
+ },
+ {
+ check(event) {
+ is(event.target, input, "<input> horizontal page scroll targets <input>");
+ is(input.scrollTop, 0, "<input> horizontal page scroll input.scrollTop");
+ ok(input.scrollLeft > 0, "<input> horizontal page scroll input.scrollLeft");
+ is(container.scrollTop, 0, "<input> horizontal page scroll container.scrollTop");
+ is(container.scrollLeft, 0, "<input> horizontal page scroll container.scrollLeft");
+ },
+ event: {
+ deltaMode: WheelEvent.DOM_DELTA_PAGE,
+ deltaX: 1.0,
+ lineOrPageDeltaX: 1
+ }
+ },
+];
+
+async function runTests()
+{
+ for (var i = 0; i < tests.length; i++) {
+ var test = tests[i];
+ reset();
+ await promiseApzFlushedRepaints();
+ let testEndPromise = prepare(test.check);
+ await new Promise(resolve => {
+ sendWheelAndPaint(input, 8, 6, test.event, resolve);
+ });
+ await testEndPromise;
+ }
+
+ SpecialPowers.DOMWindowUtils.restoreNormalRefresh();
+ SimpleTest.finish();
+}
+
+</script>
+</pre>
+</body>
+</html>