1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/events/test/test_bug574663.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,130 @@
1.4 +<!DOCTYPE HTML>
1.5 +<html>
1.6 +<!--
1.7 +https://bugzilla.mozilla.org/show_bug.cgi?id=574663
1.8 +-->
1.9 +<head>
1.10 + <title>Test for Bug 574663</title>
1.11 + <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
1.12 + <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
1.13 + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
1.14 +</head>
1.15 +<body>
1.16 +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=574663">Mozilla Bug 574663</a>
1.17 +<p id="display"></p>
1.18 +<div id="content" style="display: none">
1.19 +
1.20 +</div>
1.21 +<pre id="test">
1.22 +<script type="application/javascript;version=1.7">
1.23 +
1.24 +/** Test for Bug 574663 **/
1.25 +
1.26 +function sendTouchpadScrollMotion(scrollbox, direction, ctrl, momentum) {
1.27 + var win = scrollbox.ownerDocument.defaultView;
1.28 + let event = {
1.29 + deltaMode: WheelEvent.DOM_DELTA_PIXEL,
1.30 + deltaY: direction * 3,
1.31 + lineOrPageDeltaY: direction,
1.32 + ctrlKey: ctrl,
1.33 + isMomentum: momentum
1.34 + };
1.35 + synthesizeWheel(scrollbox, 10, 10, event, win);
1.36 + // then 5 additional pixel scrolls
1.37 + event.lineOrPageDeltaY = 0;
1.38 + for (let i = 0; i < 5; ++i) {
1.39 + synthesizeWheel(scrollbox, 10, 10, event, win);
1.40 + }
1.41 +}
1.42 +
1.43 +function runTest() {
1.44 + var win = open('data:text/html,<!DOCTYPE html>\n' +
1.45 + '<div id="scrollbox" style="height: 100px; overflow: auto;">' +
1.46 + ' <div style="height: 1000px;"></div>' +
1.47 + '</div>', '_blank', 'width=300,height=300');
1.48 + SimpleTest.waitForFocus(function () {
1.49 + var scrollbox = win.document.getElementById("scrollbox");
1.50 + let winUtils = SpecialPowers.getDOMWindowUtils(win);
1.51 + let outstandingTests = [
1.52 + [false, false],
1.53 + [false, true],
1.54 + [true, false],
1.55 + [true, true],
1.56 + ];
1.57 +
1.58 + // grab the refresh driver, since we want to make sure
1.59 + // async scrolls happen in deterministic time
1.60 + winUtils.advanceTimeAndRefresh(1000);
1.61 +
1.62 + function nextTest() {
1.63 + if (!outstandingTests.length) {
1.64 + winUtils.restoreNormalRefresh();
1.65 + win.close();
1.66 + clearPrefs();
1.67 + SimpleTest.finish();
1.68 + return;
1.69 + }
1.70 +
1.71 + let [ctrlKey, isMomentum] = outstandingTests.shift();
1.72 + let scrollTopBefore = scrollbox.scrollTop;
1.73 + let zoomFactorBefore = winUtils.fullZoom;
1.74 +
1.75 + sendTouchpadScrollMotion(scrollbox, 1, ctrlKey, isMomentum);
1.76 + winUtils.advanceTimeAndRefresh(1000); // force scrolling to happen
1.77 +
1.78 + setTimeout(function () {
1.79 + if (!ctrlKey) {
1.80 + let postfix = isMomentum ? ", even after releasing the touchpad" : "";
1.81 + // Normal scroll: scroll
1.82 + is(winUtils.fullZoom, zoomFactorBefore, "Normal scrolling shouldn't change zoom" + postfix);
1.83 + isnot(scrollbox.scrollTop, scrollTopBefore, "Normal scrolling should scroll" + postfix);
1.84 + } else {
1.85 + if (!isMomentum) {
1.86 + isnot(winUtils.fullZoom, zoomFactorBefore, "Ctrl-scrolling should zoom while the user is touching the touchpad");
1.87 + is(scrollbox.scrollTop, scrollTopBefore, "Ctrl-scrolling shouldn't scroll while the user is touching the touchpad");
1.88 + } else {
1.89 + is(winUtils.fullZoom, zoomFactorBefore, "Momentum scrolling shouldn't zoom, even when pressing Ctrl");
1.90 + isnot(scrollbox.scrollTop, scrollTopBefore, "Momentum scrolling should scroll, even when pressing Ctrl");
1.91 + }
1.92 + }
1.93 + // Revert the effect.
1.94 + sendTouchpadScrollMotion(scrollbox, -1, ctrlKey, isMomentum);
1.95 + winUtils.advanceTimeAndRefresh(1000); // force scrolling to happen
1.96 +
1.97 + setTimeout(nextTest, 20);
1.98 + }, 20);
1.99 + }
1.100 + nextTest();
1.101 + }, win);
1.102 +}
1.103 +
1.104 +function initPrefs()
1.105 +{
1.106 + SpecialPowers.setBoolPref("general.smoothScroll", false);
1.107 + // Disables the app level scroll acceleration
1.108 + SpecialPowers.setIntPref("mousewheel.acceleration.start", -1);
1.109 + SpecialPowers.setBoolPref("mousewheel.system_scroll_override_on_root_content.enabled", false);
1.110 + // Enable zooming for ctrl-scrolling
1.111 + SpecialPowers.setIntPref("mousewheel.with_control.action", 3);
1.112 +}
1.113 +
1.114 +function clearPrefs()
1.115 +{
1.116 + SpecialPowers.clearUserPref("general.smoothScroll");
1.117 + SpecialPowers.clearUserPref("mousewheel.acceleration.start");
1.118 + SpecialPowers.clearUserPref("mousewheel.system_scroll_override_on_root_content.enabled");
1.119 + SpecialPowers.clearUserPref("mousewheel.with_control.action");
1.120 +}
1.121 +
1.122 +window.onload = function () {
1.123 + initPrefs();
1.124 + SimpleTest.executeSoon(runTest);
1.125 +}
1.126 +
1.127 +SimpleTest.waitForExplicitFinish();
1.128 +
1.129 +</script>
1.130 +</pre>
1.131 +
1.132 +</body>
1.133 +</html>
