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<!DOCTYPE HTML>
<html>
<head>
<title>Test for default action of WheelEvent</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<script src="/tests/SimpleTest/paint_listener.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<p id="display"></p>
<div id="scrollable" style="overflow: auto; width: 200px; height: 200px;">
<div id="clipper" style="margin: 0; padding: 0; overflow: hidden; width: 3000px; height: 3000px;">
<div id="scrolled" style="width: 5000px; height: 5000px;">
Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
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Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
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Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
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Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
</div>
</div>
</div>
<div id="spacerForBody"></div>
<div id="content" style="display: none">
</div>
<pre id="test">
<script type="application/javascript">
// Until the first non-blank paint, the parent will set the opacity of our
// browser to 0 using the 'blank' attribute.
// Until the blank attribute is removed, we can't send scroll events.
SimpleTest.waitForFocus(function() {
let chromeScript = SpecialPowers.loadChromeScript(_ => {
/* eslint-env mozilla/chrome-script */
let win = Services.wm.getMostRecentWindow("navigator:browser");
win.requestAnimationFrame(() => {
win.gBrowser.selectedBrowser.removeAttribute("blank");
win.requestAnimationFrame(() => {
sendAsyncMessage("blank-attribute-removed");
});
});
});
chromeScript.promiseOneMessage("blank-attribute-removed").then(() => {
chromeScript.destroy();
runTests();
});
}, window);
SimpleTest.requestLongerTimeout(6);
SimpleTest.requestFlakyTimeout("untriaged");
var winUtils = SpecialPowers.getDOMWindowUtils(window);
// grab refresh driver
winUtils.advanceTimeAndRefresh(100);
var gScrollableElement = document.getElementById("scrollable");
var gScrolledElement = document.getElementById("scrolled");
var gSpacerForBodyElement = document.getElementById("spacerForBody");
const kDefaultActionNone = 0;
const kDefaultActionScroll = 1;
const kDefaultActionHistory = 2;
const kDefaultActionZoom = 3;
const kDefaultActionHorizontalizedScroll = 4;
const kDefaultActionOverrideXNoOverride = -1;
const kDefaultActionOverrideXNone = kDefaultActionNone;
const kDefaultActionOverrideXScroll = kDefaultActionScroll;
const kDefaultActionOverrideXHistory = kDefaultActionHistory;
const kDefaultActionOverrideXZoom = kDefaultActionZoom;
// We sometimes rely on the scroll position not getting preserved across tests.
function resetScrollPosition(element) {
element.style.display = "none";
element.offsetTop;
element.style.display = "";
}
function is()
{
window.opener.is.apply(window.opener, arguments);
}
function ok()
{
window.opener.ok.apply(window.opener, arguments);
}
function sendWheelAndWait(aX, aY, aEvent, aCallback)
{
sendWheelAndPaint(gScrollableElement, aX, aY, aEvent, aCallback);
}
function hitEventLoop(aFunc, aTimes)
{
winUtils.advanceTimeAndRefresh(100);
if (--aTimes) {
setTimeout(hitEventLoop, 0, aFunc, aTimes);
} else {
setTimeout(aFunc, 20);
}
}
function onZoomReset(aCallback) {
var fullZoom = SpecialPowers.getFullZoom(window);
if (fullZoom == 1) {
SimpleTest.executeSoon(aCallback);
return;
}
// Zoom causes a resize of the viewport.
window.addEventListener("resize", function onResize(event) {
is(SpecialPowers.getFullZoom(window), 1, "Zoom should be reset to 1");
window.removeEventListener("resize", onResize);
SimpleTest.executeSoon(aCallback);
});
}
function setDeltaMultiplierSettings(aSettings, aCallback)
{
SpecialPowers.pushPrefEnv({"set": [
["mousewheel.default.delta_multiplier_x", aSettings.deltaMultiplierX * 100],
["mousewheel.default.delta_multiplier_y", aSettings.deltaMultiplierY * 100],
["mousewheel.default.delta_multiplier_z", aSettings.deltaMultiplierZ * 100],
["mousewheel.with_alt.delta_multiplier_x", aSettings.deltaMultiplierX * 100],
["mousewheel.with_alt.delta_multiplier_y", aSettings.deltaMultiplierY * 100],
["mousewheel.with_alt.delta_multiplier_z", aSettings.deltaMultiplierZ * 100],
["mousewheel.with_control.delta_multiplier_x", aSettings.deltaMultiplierX * 100],
["mousewheel.with_control.delta_multiplier_y", aSettings.deltaMultiplierY * 100],
["mousewheel.with_control.delta_multiplier_z", aSettings.deltaMultiplierZ * 100],
["mousewheel.with_meta.delta_multiplier_x", aSettings.deltaMultiplierX * 100],
["mousewheel.with_meta.delta_multiplier_y", aSettings.deltaMultiplierY * 100],
["mousewheel.with_meta.delta_multiplier_z", aSettings.deltaMultiplierZ * 100],
["mousewheel.with_shift.delta_multiplier_x", aSettings.deltaMultiplierX * 100],
["mousewheel.with_shift.delta_multiplier_y", aSettings.deltaMultiplierY * 100],
["mousewheel.with_shift.delta_multiplier_z", aSettings.deltaMultiplierZ * 100],
]}, aCallback);
}
function doTestScroll(aSettings, aCallback)
{
const kNoScroll = 0x00;
const kScrollUp = 0x01;
const kScrollDown = 0x02;
const kScrollLeft = 0x04;
const kScrollRight = 0x08;
const kTests = [
{ description: "Scroll to bottom by pixel scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollDown },
{ description: "Scroll to bottom by pixel scroll when lineOrPageDelta is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollDown },
{ description: "Scroll to top by pixel scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollUp },
{ description: "Scroll to top by pixel scroll when lineOrPageDelta is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollUp },
{ description: "Scroll to right by pixel scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollRight },
{ description: "Scroll to right by pixel scroll when lineOrPageDelta is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollRight },
{ description: "Scroll to left by pixel scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollLeft },
{ description: "Scroll to left by pixel scroll when lineOrPageDelta is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollLeft },
{ description: "Scroll to bottom-right by pixel scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollDown | kScrollRight },
{ description: "Scroll to bottom-left by pixel scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollDown | kScrollLeft },
{ description: "Scroll to top-left by pixel scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollUp | kScrollLeft },
{ description: "Scroll to top-right by pixel scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollUp | kScrollRight },
{ description: "Not Scroll by pixel scroll for z",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kNoScroll },
{ description: "Scroll to bottom by line scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollDown },
{ description: "Scroll to bottom by line scroll when lineOrPageDelta is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollDown },
{ description: "Scroll to top by line scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollUp },
{ description: "Scroll to top by line scroll when lineOrPageDelta is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollUp },
{ description: "Scroll to right by line scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollRight },
{ description: "Scroll to right by line scroll when lineOrPageDelta is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollRight },
{ description: "Scroll to left by line scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollLeft },
{ description: "Scroll to left by line scroll when lineOrPageDelta is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollLeft },
{ description: "Scroll to bottom-right by line scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollDown | kScrollRight },
{ description: "Scroll to bottom-left by line scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -0.5, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollDown | kScrollLeft },
{ description: "Scroll to top-left by line scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -0.5, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollUp | kScrollLeft },
{ description: "Scroll to top-right by line scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollUp | kScrollRight },
{ description: "Not Scroll by line scroll for z",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kNoScroll },
{ description: "Scroll to bottom by page scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollDown },
{ description: "Scroll to bottom by page scroll when lineOrPageDelta is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollDown },
{ description: "Scroll to top by page scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollUp },
{ description: "Scroll to top by page scroll when lineOrPageDelta is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollUp },
{ description: "Scroll to right by page scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollRight },
{ description: "Scroll to right by page scroll when lineOrPageDelta is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollRight },
{ description: "Scroll to left by page scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollLeft },
{ description: "Scroll to left by page scroll when lineOrPageDelta is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollLeft },
{ description: "Scroll to bottom-right by page scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.5, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollDown | kScrollRight },
{ description: "Scroll to bottom-left by page scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -0.5, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollDown | kScrollLeft },
{ description: "Scroll to top-left by page scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -0.5, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollUp | kScrollLeft },
{ description: "Scroll to top-right by page scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.5, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollUp | kScrollRight },
{ description: "Not Scroll by page scroll for z",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kNoScroll },
// special cases.
// momentum scroll should cause scroll even if the action is zoom, but if the default action is none,
// shouldn't do it.
{ description: "Scroll to bottom by momentum pixel scroll when lineOrPageDelta is 0, even if the action is zoom",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false },
expected: kScrollDown },
{ description: "Scroll to bottom by momentum pixel scroll when lineOrPageDelta is 1, even if the action is zoom",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false },
expected: kScrollDown },
{ description: "Scroll to top by momentum pixel scroll when lineOrPageDelta is 0, even if the action is zoom",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false },
expected: kScrollUp },
{ description: "Scroll to top by momentum pixel scroll when lineOrPageDelta is -1, even if the action is zoom",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false },
expected: kScrollUp },
{ description: "Scroll to right by momentum pixel scroll when lineOrPageDelta is 0, even if the action is zoom",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false },
expected: kScrollRight },
{ description: "Scroll to right by momentum pixel scroll when lineOrPageDelta is 1, even if the action is zoom",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false },
expected: kScrollRight },
{ description: "Scroll to left by momentum pixel scroll when lineOrPageDelta is 0, even if the action is zoom",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false },
expected: kScrollLeft },
{ description: "Scroll to left by momentum pixel scroll when lineOrPageDelta is -1, even if the action is zoom",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false },
expected: kScrollLeft },
{ description: "Scroll to bottom-right by momentum pixel scroll even if the action is zoom",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false },
expected: kScrollDown | kScrollRight },
{ description: "Scroll to bottom-left by momentum pixel scroll even if the action is zoom",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false },
expected: kScrollDown | kScrollLeft },
{ description: "Scroll to top-left by momentum pixel scroll even if the action is zoom",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false },
expected: kScrollUp | kScrollLeft },
{ description: "Scroll to top-right by momentum pixel scroll even if the action is zoom",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false },
expected: kScrollUp | kScrollRight },
{ description: "Not Scroll by momentum pixel scroll for z (action is zoom)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false },
expected: kNoScroll },
{ description: "Not Scroll by momentum pixel scroll if default action is none (action is zoom)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false },
expected: kNoScroll,
prepare (cb) { SpecialPowers.pushPrefEnv({"set": [["mousewheel.default.action", 0]]}, cb); },
cleanup (cb) { SpecialPowers.pushPrefEnv({"set": [["mousewheel.default.action", 1]]}, cb); } },
// momentum scroll should cause scroll even if the action is history, but if the default action is none,
// shouldn't do it.
{ description: "Scroll to bottom by momentum pixel scroll when lineOrPageDelta is 0, even if the action is history",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: true, metaKey: false },
expected: kScrollDown },
{ description: "Scroll to bottom by momentum pixel scroll when lineOrPageDelta is 1, even if the action is history",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: true, metaKey: false },
expected: kScrollDown },
{ description: "Scroll to top by momentum pixel scroll when lineOrPageDelta is 0, even if the action is history",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: true, metaKey: false },
expected: kScrollUp },
{ description: "Scroll to top by momentum pixel scroll when lineOrPageDelta is -1, even if the action is history",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: true, metaKey: false },
expected: kScrollUp },
{ description: "Scroll to right by momentum pixel scroll when lineOrPageDelta is 0, even if the action is history",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: true, metaKey: false },
expected: kScrollRight },
{ description: "Scroll to right by momentum pixel scroll when lineOrPageDelta is 1, even if the action is history",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: true, metaKey: false },
expected: kScrollRight },
{ description: "Scroll to left by momentum pixel scroll when lineOrPageDelta is 0, even if the action is history",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: true, metaKey: false },
expected: kScrollLeft },
{ description: "Scroll to left by momentum pixel scroll when lineOrPageDelta is -1, even if the action is history",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: true, metaKey: false },
expected: kScrollLeft },
{ description: "Scroll to bottom-right by momentum pixel scroll even if the action is history",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: true, metaKey: false },
expected: kScrollDown | kScrollRight },
{ description: "Scroll to bottom-left by momentum pixel scroll even if the action is history",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: true, metaKey: false },
expected: kScrollDown | kScrollLeft },
{ description: "Scroll to top-left by momentum pixel scroll even if the action is history",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: true, metaKey: false },
expected: kScrollUp | kScrollLeft },
{ description: "Scroll to top-right by momentum pixel scroll even if the action is history",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: true, metaKey: false },
expected: kScrollUp | kScrollRight },
{ description: "Not Scroll by momentum pixel scroll for z (action is history)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: true, metaKey: false },
expected: kNoScroll },
{ description: "Not Scroll by momentum pixel scroll if default action is none (action is history)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: true, metaKey: false },
expected: kNoScroll,
prepare (cb) { SpecialPowers.pushPrefEnv({"set": [["mousewheel.default.action", 0]]}, cb); },
cleanup (cb) { SpecialPowers.pushPrefEnv({"set": [["mousewheel.default.action", 1]]}, cb); } },
// Don't scroll along axis whose overflow style is hidden.
{ description: "Scroll to only bottom by oblique pixel wheel event with overflow-x: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 16.0, deltaY: 16.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 1, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollDown,
prepare(cb) { gScrollableElement.style.overflowX = "hidden"; cb(); } },
{ description: "Scroll to only bottom by oblique line wheel event with overflow-x: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 1, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollDown },
{ description: "Scroll to only bottom by oblique page wheel event with overflow-x: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 1, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollDown },
{ description: "Scroll to only top by oblique pixel wheel event with overflow-x: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -16.0, deltaY: -16.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: -1, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollUp },
{ description: "Scroll to only top by oblique line wheel event with overflow-x: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: -1, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollUp },
{ description: "Scroll to only top by oblique page wheel event with overflow-x: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: -1, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollUp,
cleanup (cb) { gScrollableElement.style.overflowX = "auto"; cb(); } },
{ description: "Scroll to only right by oblique pixel wheel event with overflow-y: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 16.0, deltaY: 16.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 1,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollRight,
prepare(cb) { gScrollableElement.style.overflowY = "hidden"; cb(); } },
{ description: "Scroll to only right by oblique line wheel event with overflow-y: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 1,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollRight },
{ description: "Scroll to only right by oblique page wheel event with overflow-y: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 1,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollRight },
{ description: "Scroll to only left by oblique pixel wheel event with overflow-y: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -16.0, deltaY: -16.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: -1,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollLeft },
{ description: "Scroll to only top by oblique line wheel event with overflow-y: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: -1,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollLeft },
{ description: "Scroll to only top by oblique page wheel event with overflow-y: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: -1,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollLeft,
cleanup (cb) { gScrollableElement.style.overflowY = "auto"; cb(); } },
{ description: "Don't be scrolled by oblique pixel wheel event with overflow: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 16.0, deltaY: 16.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 1, expectedOverflowDeltaY: 1,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kNoScroll,
prepare(cb) { gScrollableElement.style.overflow = "hidden"; cb(); } },
{ description: "Don't be scrolled by oblique line wheel event with overflow: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 1, expectedOverflowDeltaY: 1,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kNoScroll },
{ description: "Don't be scrolled by oblique page wheel event with overflow: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 1, expectedOverflowDeltaY: 1,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kNoScroll },
{ description: "Don't be scrolled by oblique pixel wheel event with overflow: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -16.0, deltaY: -16.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: -1, expectedOverflowDeltaY: -1,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kNoScroll },
{ description: "Don't be scrolled by oblique line wheel event with overflow: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: -1, expectedOverflowDeltaY: -1,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kNoScroll },
{ description: "Don't be scrolled by oblique page wheel event with overflow: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: -1, expectedOverflowDeltaY: -1,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kNoScroll,
cleanup (cb) { gScrollableElement.style.overflow = "auto"; cb(); } },
// Don't scroll along axis whose overflow style is hidden and overflow delta values should
// be zero if there is ancestor scrollable element.
{ description: "Scroll to only bottom by oblique pixel wheel event with overflow-x: hidden (body is scrollable)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 16.0, deltaY: 16.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollDown,
prepare(cb) {
gScrollableElement.style.overflowX = "hidden";
gScrollableElement.style.position = "fixed";
gScrollableElement.style.top = "30px";
gScrollableElement.style.left = "30px";
// Make body element scrollable.
gSpacerForBodyElement.style.width = "5000px";
gSpacerForBodyElement.style.height = "5000px";
document.documentElement.scrollTop = 500;
document.documentElement.scrollLeft = 500;
cb();
} },
{ description: "Scroll to only bottom by oblique line wheel event with overflow-x: hidden (body is scrollable)",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollDown },
{ description: "Scroll to only bottom by oblique page wheel event with overflow-x: hidden (body is scrollable)",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollDown },
{ description: "Scroll to only top by oblique pixel wheel event with overflow-x: hidden (body is scrollable)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -16.0, deltaY: -16.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollUp },
{ description: "Scroll to only top by oblique line wheel event with overflow-x: hidden (body is scrollable)",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollUp },
{ description: "Scroll to only top by oblique page wheel event with overflow-x: hidden (body is scrollable)",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollUp,
cleanup (cb) { gScrollableElement.style.overflowX = "auto"; cb(); } },
{ description: "Scroll to only right by oblique pixel wheel event with overflow-y: hidden (body is scrollable)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 16.0, deltaY: 16.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollRight,
prepare(cb) { gScrollableElement.style.overflowY = "hidden"; cb(); } },
{ description: "Scroll to only right by oblique line wheel event with overflow-y: hidden (body is scrollable)",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollRight },
{ description: "Scroll to only right by oblique page wheel event with overflow-y: hidden (body is scrollable)",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollRight },
{ description: "Scroll to only left by oblique pixel wheel event with overflow-y: hidden (body is scrollable)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -16.0, deltaY: -16.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollLeft },
{ description: "Scroll to only top by oblique line wheel event with overflow-y: hidden (body is scrollable)",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollLeft },
{ description: "Scroll to only top by oblique page wheel event with overflow-y: hidden (body is scrollable)",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollLeft,
cleanup (cb) {
gScrollableElement.style.overflowY = "auto";
gScrollableElement.style.position = "static";
gSpacerForBodyElement.style.width = "";
gSpacerForBodyElement.style.height = "";
cb();
} },
];
var description;
var currentTestIndex = -1;
var isXReverted = (aSettings.deltaMultiplierX < 0);
var isYReverted = (aSettings.deltaMultiplierY < 0);
function doNextTest()
{
if (++currentTestIndex >= kTests.length) {
SimpleTest.executeSoon(aCallback);
return;
}
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
var currentTest = kTests[currentTestIndex];
description = "doTestScroll(aSettings=" + aSettings.description + "), " + currentTest.description + ": ";
if (currentTest.prepare) {
// prepare() can make changes to a page such as
// changing the 'overflow' property which requires
// a repaint to take effect before sending
// scroll-wheel events.
currentTest.prepare(doWaitForPaintsAndScroll);
} else {
doTestCurrentScroll();
}
}
function doWaitForPaintsAndScroll() {
waitForAllPaintsFlushed(doTestCurrentScroll);
}
function doTestCurrentScroll() {
var currentTest = kTests[currentTestIndex];
sendWheelAndWait(10, 10, currentTest.event, function () {
if (currentTest.expected == kNoScroll) {
is(gScrollableElement.scrollTop, 1000, description + "scrolled vertical");
is(gScrollableElement.scrollLeft, 1000, description + "scrolled horizontal");
} else {
var scrollUp = !isYReverted ? (currentTest.expected & kScrollUp) :
(currentTest.expected & kScrollDown);
var scrollDown = !isYReverted ? (currentTest.expected & kScrollDown) :
(currentTest.expected & kScrollUp);
if (scrollUp) {
ok(gScrollableElement.scrollTop < 1000, description + "not scrolled up, got " + gScrollableElement.scrollTop);
} else if (scrollDown) {
ok(gScrollableElement.scrollTop > 1000, description + "not scrolled down, got " + gScrollableElement.scrollTop);
} else {
is(gScrollableElement.scrollTop, 1000, description + "scrolled vertical");
}
var scrollLeft = !isXReverted ? (currentTest.expected & kScrollLeft) :
(currentTest.expected & kScrollRight);
var scrollRight = !isXReverted ? (currentTest.expected & kScrollRight) :
(currentTest.expected & kScrollLeft);
if (scrollLeft) {
ok(gScrollableElement.scrollLeft < 1000, description + "not scrolled to left, got " + gScrollableElement.scrollLeft);
} else if (scrollRight) {
ok(gScrollableElement.scrollLeft > 1000, description + "not scrolled to right, got " + gScrollableElement.scrollLeft);
} else {
is(gScrollableElement.scrollLeft, 1000, description + "scrolled horizontal");
}
}
if (currentTest.cleanup) {
currentTest.cleanup(nextStep);
} else {
nextStep();
}
function nextStep() {
winUtils.advanceTimeAndRefresh(100);
doNextTest();
}
});
}
doNextTest();
}
function doTestHorizontalizedScroll(aSettings, aCallback)
{
const kNoScroll = 0x00;
const kScrollLeft = 0x01;
const kScrollRight = 0x02;
const kTests = [
{ description: "Scroll to right by pixel scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollRight },
{ description: "Scroll to right by pixel scroll when lineOrPageDelta is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollRight },
{ description: "Scroll to left by pixel scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollLeft },
{ description: "Scroll to left by pixel scroll when lineOrPageDelta is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollLeft },
{ description: "Don't scroll by deltaX (pixel scroll, lineOrPageDelta is 0)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kNoScroll },
{ description: "Don't scroll by deltaX (pixel scroll, lineOrPageDelta is 1)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kNoScroll },
{ description: "Don't scroll by negative deltaX (pixel scroll, lineOrPageDelta is 0)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kNoScroll },
{ description: "Don't scroll by negative deltaX (pixel scroll, lineOrPageDelta is -1)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kNoScroll },
{ description: "Scroll only to right by diagonal pixel scroll (to bottom-right)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollRight },
{ description: "Scroll only to right by diagonal pixel scroll (to bottom-left)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollRight },
{ description: "Scroll only to left by diagonal pixel scroll (to top-left)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollLeft },
{ description: "Scroll only to left by pixel scroll (to bottom-right)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollLeft },
{ description: "Don't scroll by pixel scroll for z-axis",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kNoScroll },
{ description: "Scroll to right by line scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollRight },
{ description: "Scroll to right by line scroll when lineOrPageDelta is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollRight },
{ description: "Scroll to left by line scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollLeft },
{ description: "Scroll to left by line scroll when lineOrPageDelta is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollLeft },
{ description: "Don't scroll by deltaX (line scroll, lineOrPageDelta is 0)",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kNoScroll },
{ description: "Don't scroll by deltaX (line scroll, lineOrPageDelta is 1)",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kNoScroll },
{ description: "Don't scroll by negative deltaX (line scroll, lineOrPageDelta is 0)",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kNoScroll },
{ description: "Don't scroll by negative deltaY (line scroll, lineOrPageDelta is -1)",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kNoScroll },
{ description: "Scroll only to right by diagonal line scroll (to bottom-right)",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollRight },
{ description: "Scroll only to right by diagonal line scroll (to bottom-left)",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -0.5, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollRight },
{ description: "Scroll only to left by diagonal line scroll (to top-left)",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -0.5, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollLeft },
{ description: "Scroll only to left by line scroll (to top-right)",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollLeft },
{ description: "Don't scroll by line scroll for z-axis",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kNoScroll },
{ description: "Scroll to right by page scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollRight },
{ description: "Scroll to right by page scroll when lineOrPageDelta is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollRight },
{ description: "Scroll to left by page scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollLeft },
{ description: "Scroll to left by page scroll when lineOrPageDelta is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollLeft },
{ description: "Don't scroll by deltaX (page scroll, lineOrPageDelta is 0)",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kNoScroll },
{ description: "Don't scroll by deltaX (page scroll, lineOrPageDelta is 1)",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kNoScroll },
{ description: "Don't scroll by deltaX (page scroll, lineOrPageDelta is 0)",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kNoScroll },
{ description: "Don't scroll by deltaX (page scroll, lineOrPageDelta is -1)",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kNoScroll },
{ description: "Scroll only to right by diagonal page scroll (to bottom-right)",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.5, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollRight },
{ description: "Scroll only to right by diagonal page scroll (to bottom-left)",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -0.5, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollRight },
{ description: "Scroll only to left by diagonal page scroll (to top-left)",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -0.5, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollLeft },
{ description: "Scroll only to left by diagonal page scroll (to top-right)",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.5, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kScrollLeft },
{ description: "Don't scroll by page scroll for z-axis",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false },
expected: kNoScroll },
];
var description;
var currentTestIndex = -1;
// deltaY should cause horizontal scroll and affected by deltaMultiplierY.
// So, horizontal scroll amount and direction is affected by deltaMultiplierY.
var isXReverted = (aSettings.deltaMultiplierY < 0);
function doNextTest()
{
if (++currentTestIndex >= kTests.length) {
SimpleTest.executeSoon(aCallback);
return;
}
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
var currentTest = kTests[currentTestIndex];
description = "doTestHorizontalizedScroll(aSettings=" + aSettings.description + "), " + currentTest.description + ": ";
if (currentTest.prepare) {
currentTest.prepare(doTestCurrentScroll);
} else {
doTestCurrentScroll();
}
}
function doTestCurrentScroll() {
var currentTest = kTests[currentTestIndex];
sendWheelAndWait(10, 10, currentTest.event, function () {
is(gScrollableElement.scrollTop, 1000, description + "scrolled vertical");
if (currentTest.expected == kNoScroll) {
is(gScrollableElement.scrollLeft, 1000, description + "scrolled horizontal");
} else {
var scrollLeft = !isXReverted ? (currentTest.expected & kScrollLeft) :
(currentTest.expected & kScrollRight);
var scrollRight = !isXReverted ? (currentTest.expected & kScrollRight) :
(currentTest.expected & kScrollLeft);
if (scrollLeft) {
ok(gScrollableElement.scrollLeft < 1000, description + "not scrolled to left, got " + gScrollableElement.scrollLeft);
} else if (scrollRight) {
ok(gScrollableElement.scrollLeft > 1000, description + "not scrolled to right, got " + gScrollableElement.scrollLeft);
} else {
is(gScrollableElement.scrollLeft, 1000, description + "scrolled horizontal");
}
}
if (currentTest.cleanup) {
currentTest.cleanup(nextStep);
} else {
nextStep();
}
function nextStep() {
winUtils.advanceTimeAndRefresh(100);
doNextTest();
}
});
}
doNextTest();
}
// It will take *freaking* long time(maybe *hours*) to test all the writing mode
// combinations for the scroll target and its root, because there are altogether
// *one hundred* combinations (10 x 10)!
//
// So unless you really don't care a snap on time-consuming testing or a strict
// criteria is required for testing, it is strongly recommeneded that you
// comment out at least the writing modes which are marked as "peculiar" before
// running this test, you are encouraged to also comment out those "uncommon"
// writing modes in order to further shorten testing time.
//
// Note that if you are going to run time-consuming tests without commenting out
// most of the writing modes, don't forget to increase the value of the
// parameter in SimpleTest.requestLongerTimeout in this file; otherwise it'll
// most likely lead you to a timed-out failure.
//
// Also note that |isBTT| has nothing to do with the behaviour of auto-dir
// scrolling, it's just used to set the sign of |kOrigScrollTop|.
const kWritingModes = [
{
isRTL: true,
isBTT: false,
styles: [
{
writingMode: "horizontal-tb",
direction: "rtl",
},
{
writingMode: "vertical-rl",
direction: "ltr",
},
// uncommon
//{
// writingMode: "sideways-rl",
// direction: "ltr",
//},
],
},
{
isRTL: false,
isBTT: false,
styles: [
{
writingMode: "horizontal-tb",
direction: "ltr",
},
// uncommon
//{
// writingMode: "vertical-lr",
// direction: "ltr",
//},
// uncommon
//{
// writingMode: "sideways-lr",
// direction: "ltr",
//},
],
},
{
isRTL: true,
isBTT: true,
styles: [
// peculiar
//{
// writingMode: "vertical-rl",
// direction: "rtl",
//},
// peculiar
//{
// writingMode: "sideways-rl",
// direction: "rtl",
//},
],
},
{
isRTL: false,
isBTT: true,
styles: [
// peculiar
//{
// writingMode: "vertical-lr",
// direction: "rtl",
//},
// peculiar
//{
// writingMode: "sideways-lr",
// direction: "rtl",
//},
],
},
];
function getFirstWritingModeStyle()
{
if (kWritingModes.length < 1) {
return false;
}
let typeIndex = 0;
while (!kWritingModes[typeIndex].styles.length) {
typeIndex++;
if (typeIndex >= kWritingModes.length) {
return false;
}
}
return {typeIndex, styleIndex: 0};
}
function getNextWritingModeStyle(curStyle)
{
let typeIndex = curStyle.typeIndex;
let styleIndex = curStyle.styleIndex + 1;
while (typeIndex < kWritingModes.length) {
if (styleIndex < kWritingModes[typeIndex].styles.length) {
return {typeIndex, styleIndex};
}
typeIndex++;
styleIndex = 0;
}
return false;
}
function doTestAutoDirScroll(aSettings, aAutoDirTrait, aCallback)
{
// Go through all the writing-mode combinations for the scroll target and its
// root.
let firstStyle = getFirstWritingModeStyle();
if (!firstStyle) {
// The whole writing mode list is empty, no need to do any test for auto-dir
// scrolling. Go ahead with the subsequent tests.
SimpleTest.executeSoon(aCallback);
return;
}
// Begin with the first style for both the root and the scroll target.
// doTestAutoDirScroll2 will recursively call itself back for every
// style combination with getNextWritingModeStyle until all combinations have
// been enumerated, and then it will call SimpleTest.executeSoon(aCallback).
doTestAutoDirScroll2(aSettings, aAutoDirTrait,
firstStyle, firstStyle,
aCallback);
}
function doTestAutoDirScroll2(aSettings, aAutoDirTrait,
aStyleForRoot, aStyleForTarget,
aCallback)
{
const kStyleTypeForRoot = kWritingModes[aStyleForRoot.typeIndex];
const kStyleTypeForTarget = kWritingModes[aStyleForTarget.typeIndex];
const kStyleForRoot = kStyleTypeForRoot.styles[aStyleForRoot.styleIndex];
const kStyleForTarget = kStyleTypeForTarget.styles[aStyleForTarget.styleIndex];
const kIsRootRTL = kStyleTypeForRoot.isRTL;
const kIsTargetRTL = kStyleTypeForTarget.isRTL;
// Just used to set the sign of |kOrigScrollTop|, not related to the auto-dir
// behaviour.
const kIsTargetBTT = kStyleTypeForTarget.isBTT;
const kOldStyleForRoot = {};
const kOldStyleForTarget = {};
const kHonoursRoot = Boolean(aAutoDirTrait.honoursRoot);
const kNoScroll = 0x00;
const kScrollUp = 0x01;
const kScrollDown = 0x02;
const kScrollLeft = 0x04;
const kScrollRight = 0x08;
// The four constants indicate the expected result if the scroll direction is
// adjusted.
const kAdjustedForUp = {};
const kAdjustedForDown = {};
const kAdjustedForLeft = {};
const kAdjustedForRight = {};
if (kHonoursRoot ? kIsRootRTL : kIsTargetRTL) {
kAdjustedForUp.result = kScrollRight;
kAdjustedForUp.desc = "right";
kAdjustedForDown.result = kScrollLeft;
kAdjustedForDown.desc = "left";
kAdjustedForLeft.result = kScrollDown;
kAdjustedForLeft.desc = "bottom";
kAdjustedForRight.result = kScrollUp;
kAdjustedForRight.desc = "top";
} else {
kAdjustedForUp.result = kScrollLeft;
kAdjustedForUp.desc = "left";
kAdjustedForDown.result = kScrollRight;
kAdjustedForDown.desc = "right";
kAdjustedForLeft.result = kScrollUp;
kAdjustedForLeft.desc = "top";
kAdjustedForRight.result = kScrollDown;
kAdjustedForRight.desc = "bottom";
}
const kTests = [
// Tests: Test pixel scrolling towards four edges when the target
// overflows in both the two directions.
// Results: All are unadjusted.
// Reason: Auto-dir adjustment never applies to a target which overflows in
// both the two directions.
{ description: "auto-dir scroll to bottom by pixel scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollDown,
prepare (cb) {
// Static contents will not start from the topleft side in some
// writing modes, for ease of coding, we simply absolutely
// position the target to the topleft in every case.
gScrollableElement.style.position = "absolute";
gScrollableElement.style.top = "10px";
gScrollableElement.style.left = "10px";
SpecialPowers.pushPrefEnv({
"set": [["mousewheel.autodir.enabled", true],
["mousewheel.autodir.honourroot", kHonoursRoot]]
}, cb);
} },
{ description: "auto-dir scroll to bottom by pixel scroll when lineOrPageDelta is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollDown },
{ description: "auto-dir scroll to top by pixel scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollUp },
{ description: "auto-dir scroll to top by pixel scroll when lineOrPageDelta is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollUp },
{ description: "auto-dir scroll to right by pixel scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollRight },
{ description: "auto-dir scroll to right by pixel scroll when lineOrPageDelta is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollRight },
{ description: "auto-dir scroll to left by pixel scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollLeft },
{ description: "auto-dir scroll to left by pixel scroll when lineOrPageDelta is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollLeft },
// Tests: Test diagonal pixel scrolling when the target overflows in both
// the two directions.
// Results: All are unadjusted.
// Reason: Auto-dir adjustment never applies to a target which overflows in
// both the two directions, furthermore, it never applies to
// diagonal scrolling.
{ description: "auto-dir scroll to bottom-right by pixel scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollDown | kScrollRight },
{ description: "auto-dir scroll to bottom-left by pixel scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollDown | kScrollLeft },
{ description: "auto-dir scroll to top-left by pixel scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollUp | kScrollLeft },
{ description: "auto-dir scroll to top-right by pixel scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollUp | kScrollRight },
// Tests: Test line scrolling towards four edges when the target overflows
// in both the two directions.
// Results: All are unadjusted.
// Reason: Auto-dir adjustment never applies to a target which overflows in
// both the two directions.
{ description: "auto-dir scroll to bottom by line scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollDown },
{ description: "auto-dir scroll to bottom by line scroll when lineOrPageDelta is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollDown },
{ description: "auto-dir scroll to top by line scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollUp },
{ description: "auto-dir scroll to top by line scroll when lineOrPageDelta is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollUp },
{ description: "auto-dir scroll to right by line scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollRight },
{ description: "auto-dir scroll to right by line scroll when lineOrPageDelta is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollRight },
{ description: "auto-dir scroll to left by line scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollLeft },
{ description: "auto-dir scroll to left by line scroll when lineOrPageDelta is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollLeft },
// Tests: Test diagonal line scrolling when the target overflows in both
// the two directions.
// Results: All are unadjusted.
// Reason: Auto-dir adjustment never applies to a target which overflows in
// both the two directions, furthermore, it never applies to
// diagonal scrolling.
{ description: "auto-dir scroll to bottom-right by line scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollDown | kScrollRight },
{ description: "auto-dir scroll to bottom-left by line scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -0.5, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollDown | kScrollLeft },
{ description: "auto-dir scroll to top-left by line scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -0.5, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollUp | kScrollLeft },
{ description: "auto-dir scroll to top-right by line scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollUp | kScrollRight },
// Tests: Test page scrolling towards four edges when the target overflows
// in both the two directions.
// Results: All are unadjusted.
// Reason: Auto-dir adjustment never applies to a target which overflows in
// both the two directions.
{ description: "auto-dir scroll to bottom by page scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollDown },
{ description: "auto-dir scroll to bottom by page scroll when lineOrPageDelta is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollDown },
{ description: "auto-dir scroll to top by page scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollUp },
{ description: "auto-dir scroll to top by page scroll when lineOrPageDelta is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollUp },
{ description: "auto-dir scroll to right by page scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollRight },
{ description: "auto-dir scroll to right by page scroll when lineOrPageDelta is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollRight },
{ description: "auto-dir scroll to left by page scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollLeft },
{ description: "auto-dir scroll to left by page scroll when lineOrPageDelta is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollLeft },
// Tests: Test diagonal page scrolling when the target overflows in both
// the two directions.
// Results: All are unadjusted.
// Reason: Auto-dir adjustment never applies to a target which overflows in
// both the two directions, furthermore, it never applies to
// diagonal scrolling.
{ description: "auto-dir scroll to bottom-right by page scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.5, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollDown | kScrollRight },
{ description: "auto-dir scroll to bottom-left by page scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -0.5, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollDown | kScrollLeft },
{ description: "auto-dir scroll to top-left by page scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -0.5, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollUp | kScrollLeft },
{ description: "auto-dir scroll to top-right by page scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.5, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollUp | kScrollRight },
// The tests above in this function are all for testing a target with two
// scrollbars. All of them should not be adjustable.
// From here on, the tests below in this function are all for testing a
// target with only one scrollbar, either a vertical scrollbar or horizontal
// scrollbar. Some of them are adjustable.
// Tests: Test pixel scrolling towards four edges when the target
// overflows only in the horizontal direction.
// Results: Vertical wheel scrolls are adjusted to be horizontal whereas the
// horizontal wheel scrolls are unadjusted.
// Reason: Auto-dir adjustment applies to a target if the target overflows
// in only one direction and the direction is orthogonal to the
// wheel and deltaZ is zero.
{ description: "auto-dir scroll to " + kAdjustedForDown.desc +
"(originally bottom) by pixel scroll even if lineOrPageDelta is 0, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForDown.result,
prepare (cb) {
gScrollableElement.style.overflowX = "auto";
gScrollableElement.style.overflowY = "hidden";
resetScrollPosition(gScrollableElement);
cb();
} },
{ description: "auto-dir scroll to " + kAdjustedForDown.desc +
"(originally bottom) by pixel scroll when lineOrPageDelta is 1, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForDown.result },
{ description: "auto-dir scroll to " + kAdjustedForUp.desc +
"(originally top) by pixel scroll even if lineOrPageDelta is 0, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForUp.result },
{ description: "auto-dir scroll to " + kAdjustedForUp.desc +
"(originally top) by pixel scroll when lineOrPageDelta is -1, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForUp.result },
{ description: "auto-dir scroll to right by pixel scroll even if lineOrPageDelta is 0, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollRight },
{ description: "auto-dir scroll to right by pixel scroll when lineOrPageDelta is 1, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollRight },
{ description: "auto-dir scroll to left by pixel scroll even if lineOrPageDelta is 0, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollLeft },
{ description: "auto-dir scroll to left by pixel scroll when lineOrPageDelta is -1, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollLeft },
// Tests: Test pixel scrolling towards four edges when the target
// overflows only in the vertical direction.
// Results: Horizontal wheel scrolls are adjusted to be vertical whereas the
// vertical wheel scrolls are unadjusted.
// Reason: Auto-dir adjustment applies to a target if the target overflows
// in only one direction and the direction is orthogonal to the
// wheel and deltaZ is zero.
{ description: "auto-dir scroll to bottom by pixel scroll even if lineOrPageDelta is 0, " +
"no horizontal scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollDown,
prepare (cb) {
gScrollableElement.style.overflowX = "hidden";
gScrollableElement.style.overflowY = "auto";
resetScrollPosition(gScrollableElement);
cb();
} },
{ description: "auto-dir scroll to bottom by pixel scroll when lineOrPageDelta is 1, " +
"no horizontal scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollDown },
{ description: "auto-dir scroll to top by pixel scroll even if lineOrPageDelta is 0, " +
"no horizontal scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollUp },
{ description: "auto-dir scroll to top by pixel scroll when lineOrPageDelta is -1, " +
"no horizontal scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollUp },
{ description: "auto-dir scroll to " + kAdjustedForRight.desc +
"(originally right) by pixel scroll even if lineOrPageDelta is 0, " +
"no horizontal scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForRight.result },
{ description: "auto-dir scroll to " + kAdjustedForRight.desc +
"(originally right) by pixel scroll when lineOrPageDelta is 1, " +
"no horizontal scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForRight.result },
{ description: "auto-dir scroll to " + kAdjustedForLeft.desc +
"(originally left) by pixel scroll even if lineOrPageDelta is 0, " +
"no horizontal scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForLeft.result },
{ description: "auto-dir scroll to " + kAdjustedForLeft.desc +
"(originally left) by pixel scroll when lineOrPageDelta is -1, " +
"no horizontal scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForLeft.result },
// Tests: Test line scrolling towards four edges when the target overflows
// only in the horizontal direction.
// Results: Vertical wheel scrolls are adjusted to be horizontal whereas the
// horizontal wheel scrolls are unadjusted.
// Reason: Auto-dir adjustment applies to a target if the target overflows
// in only one direction and the direction is orthogonal to the
// wheel and deltaZ is zero.
{ description: "auto-dir scroll to " + kAdjustedForDown.desc +
"(originally bottom) by line scroll even if lineOrPageDelta is 0, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForDown.result,
prepare (cb) {
gScrollableElement.style.overflowX = "auto";
gScrollableElement.style.overflowY = "hidden";
resetScrollPosition(gScrollableElement);
cb();
} },
{ description: "auto-dir scroll to " + kAdjustedForDown.desc +
"(originally bottom) by line scroll when lineOrPageDelta is 1, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForDown.result },
{ description: "auto-dir scroll to " + kAdjustedForUp.desc +
"(originally top) by line scroll even if lineOrPageDelta is 0, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForUp.result },
{ description: "auto-dir scroll to " + kAdjustedForUp.desc +
"(originally top) by line scroll when lineOrPageDelta is -1, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForUp.result },
{ description: "auto-dir scroll to right by line scroll even if lineOrPageDelta is 0, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollRight },
{ description: "auto-dir scroll to right by line scroll when lineOrPageDelta is 1, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollRight },
{ description: "auto-dir scroll to left by line scroll even if lineOrPageDelta is 0, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollLeft },
{ description: "auto-dir scroll to left by line scroll when lineOrPageDelta is -1, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollLeft },
// Tests: Test line scrolling towards four edges when the target overflows
// only in the vertical direction.
// Results: Horizontal wheel scrolls are adjusted to be vertical whereas the
// vertical wheel scrolls are unadjusted.
// Reason: Auto-dir adjustment applies to a target if the target overflows
// in only one direction and the direction is orthogonal to the
// wheel and deltaZ is zero.
{ description: "auto-dir scroll to bottom by line scroll even if lineOrPageDelta is 0, " +
"no horizontal scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollDown,
prepare (cb) {
gScrollableElement.style.overflowX = "hidden";
gScrollableElement.style.overflowY = "auto";
resetScrollPosition(gScrollableElement);
cb();
} },
{ description: "auto-dir scroll to bottom by line scroll when lineOrPageDelta is 1, " +
"no horizontal scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollDown },
{ description: "auto-dir scroll to top by line scroll even if lineOrPageDelta is 0, " +
"no horizontal scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollUp },
{ description: "auto-dir scroll to top by line scroll when lineOrPageDelta is -1, " +
"no horizontal scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollUp },
{ description: "auto-dir scroll to " + kAdjustedForRight.desc +
"(originally right) by line scroll even if lineOrPageDelta is 0, " +
"no horizontal scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForRight.result },
{ description: "auto-dir scroll to " + kAdjustedForRight.desc +
"(originally right) by line scroll when lineOrPageDelta is 1, " +
"no horizontal scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForRight.result },
{ description: "auto-dir scroll to " + kAdjustedForLeft.desc +
"(originally left) by line scroll even if lineOrPageDelta is 0, " +
"no horizontal scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForLeft.result },
{ description: "auto-dir scroll to " + kAdjustedForLeft.desc +
"(originally left) by line scroll when lineOrPageDelta is -1, " +
"no horizontal scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForLeft.result },
// Tests: Test page scrolling towards four edges when the target overflows
// only in the horizontal direction.
// Results: Vertical wheel scrolls are adjusted to be horizontal whereas the
// horizontal wheel scrolls are unadjusted.
// Reason: Auto-dir adjustment applies to a target if the target overflows
// in only one direction and the direction is orthogonal to the
// wheel and deltaZ is zero.
{ description: "auto-dir scroll to " + kAdjustedForDown.desc +
"(originally bottom) by page scroll when lineOrPageDelta is 1, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForDown.result,
prepare (cb) {
gScrollableElement.style.overflowX = "auto";
gScrollableElement.style.overflowY = "hidden";
resetScrollPosition(gScrollableElement);
cb();
} },
{ description: "auto-dir scroll to " + kAdjustedForDown.desc +
"(originally bottom) by page scroll even if lineOrPageDelta is 0, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForDown.result },
{ description: "auto-dir scroll to " + kAdjustedForUp.desc +
"(originally top) by page scroll when lineOrPageDelta is -1, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForUp.result },
{ description: "auto-dir scroll to " + kAdjustedForUp.desc +
"(originally top) by page scroll even if lineOrPageDelta is 0, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForUp.result },
{ description: "auto-dir scroll to right by page scroll when lineOrPageDelta is 1, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollRight },
{ description: "auto-dir scroll to right by page scroll even if lineOrPageDelta is 0, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollRight },
{ description: "auto-dir scroll to left by page scroll when lineOrPageDelta is -1, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollLeft },
{ description: "auto-dir scroll to left by page scroll even if lineOrPageDelta is 0, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollLeft },
// Tests: Test page scrolling towards four edges when the target overflows
// only in the vertical direction.
// Results: Horizontal wheel scrolls are adjusted to be vertical whereas the
// vertical wheel scrolls are unadjusted.
// Reason: Auto-dir adjustment applies to a target if the target overflows
// in only one direction and the direction is orthogonal to the
// wheel and deltaZ is zero.
{ description: "auto-dir scroll to bottom by page scroll when lineOrPageDelta is 1, " +
"no horizontal scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollDown,
prepare (cb) {
gScrollableElement.style.overflowX = "hidden";
gScrollableElement.style.overflowY = "auto";
resetScrollPosition(gScrollableElement);
cb();
} },
{ description: "auto-dir scroll to bottom by page scroll even if lineOrPageDelta is 0, " +
"no horizontal scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollDown },
{ description: "auto-dir scroll to top by page scroll when lineOrPageDelta is -1, " +
"no horizontal scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollUp },
{ description: "auto-dir scroll to top by page scroll even if lineOrPageDelta is 0, " +
"no horizontal scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollUp },
{ description: "auto-dir scroll to " + kAdjustedForRight.desc +
"(originally right) by page scroll when lineOrPageDelta is 1, " +
"no horizontal scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForRight.result },
{ description: "auto-dir scroll to " + kAdjustedForRight.desc +
"(originally right) by page scroll even if lineOrPageDelta is 0, " +
"no horizontal scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForRight.result },
{ description: "auto-dir scroll to " + kAdjustedForLeft.desc +
"(originally left) by page scroll when lineOrPageDelta is -1, " +
"no horizontal scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForLeft.result },
{ description: "auto-dir scroll to " + kAdjustedForLeft.desc +
"(originally left) by page scroll even if lineOrPageDelta is 0, " +
"no horizontal scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForLeft.result,
cleanup (cb) {
SpecialPowers.pushPrefEnv({"set":
[["mousewheel.autodir.enabled",
false]]},
cb);
} },
// Tests: Test that autodir scrolling can be force-enabled using windowUtils.
// This only tests vertical wheel scrolls being adjusted to be
// horizontal, rather than re-testing all autodir behaviours just for
// this way of enabling it.
// Results: Vertical wheel scrolls are adjusted to be horizontal whereas the
// horizontal wheel scrolls are unadjusted.
// Reason: Auto-dir adjustment applies to a target if the target overflows
// in only one direction and the direction is orthogonal to the
// wheel and deltaZ is zero.
{ description: "force-enabled auto-dir scroll to " + kAdjustedForDown.desc +
"(originally bottom) by pixel scroll even if lineOrPageDelta is 0, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForDown.result,
prepare (cb) {
gScrollableElement.style.overflowX = "auto";
gScrollableElement.style.overflowY = "hidden";
resetScrollPosition(gScrollableElement);
winUtils.setMousewheelAutodir(gScrollableElement, true, kHonoursRoot)
cb();
} },
{ description: "force-enabled auto-dir scroll to " + kAdjustedForDown.desc +
"(originally bottom) by pixel scroll when lineOrPageDelta is 1, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForDown.result },
{ description: "force-enabled auto-dir scroll to " + kAdjustedForUp.desc +
"(originally top) by pixel scroll even if lineOrPageDelta is 0, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForUp.result },
{ description: "force-enabled auto-dir scroll to " + kAdjustedForUp.desc +
"(originally top) by pixel scroll when lineOrPageDelta is -1, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: true,
expected: kAdjustedForUp.result },
{ description: "force-enabled auto-dir scroll to right by pixel scroll even if lineOrPageDelta is 0, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollRight },
{ description: "force-enabled auto-dir scroll to right by pixel scroll when lineOrPageDelta is 1, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollRight },
{ description: "force-enabled auto-dir scroll to left by pixel scroll even if lineOrPageDelta is 0, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollLeft },
{ description: "force-enabled auto-dir scroll to left by pixel scroll when lineOrPageDelta is -1, " +
"no vertical scrollbar",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
adjusted: false,
expected: kScrollLeft,
cleanup (cb) {
gScrollableElement.style.position = "static";
gScrollableElement.style.top = "auto";
gScrollableElement.style.left = "auto";
gScrollableElement.style.overflow = "auto";
Object.assign(document.body.style, kOldStyleForRoot);
Object.assign(gScrollableElement.style, kOldStyleForTarget);
winUtils.setMousewheelAutodir(gScrollableElement, false, false);
cb();
} },
];
let styleDescForRoot = "";
let styleDescForTarget = "";
Object.keys(kStyleForRoot).forEach(function(property)
{
kOldStyleForRoot[property] = document.body.style[property];
document.body.style[property] = kStyleForRoot[property];
if ("" !== styleDescForRoot) {
styleDescForRoot += " ";
}
styleDescForRoot += property + ": " + kStyleForRoot[property] + ";";
});
Object.keys(kStyleForTarget).forEach(function(property)
{
kOldStyleForTarget[property] = gScrollableElement.style[property];
gScrollableElement.style[property] = kStyleForTarget[property];
if ("" !== styleDescForTarget) {
styleDescForTarget += " ";
}
styleDescForTarget += property + ": " +
kStyleForTarget[property] + ";";
});
let description;
let currentTestIndex = -1;
let isXReverted = aSettings.deltaMultiplierX < 0;
let isYReverted = aSettings.deltaMultiplierY < 0;
// We are doing a "trick" here:
// If the `kHonoursRoot` is true and the scroll target and the root's contents
// are both LTR or both RTL, we can safely skip these tests, because the same
// behavior is tested when the `kHonoursRoot` is false.
if (kHonoursRoot && kIsRootRTL === kIsTargetRTL) {
currentTestIndex = kTests.length;
}
const kOrigScrollLeft = kIsTargetRTL ? -1000 : 1000;
const kOrigScrollTop = kIsTargetBTT ? -1000 : 1000;
function doNextTest()
{
if (++currentTestIndex >= kTests.length) {
// The tests for the current writing mode combination have been finished.
// Continue the tests for the next writing mode combination, if any.
let nextStyleForRoot;
let nextStyleForTarget;
nextStyleForTarget = getNextWritingModeStyle(aStyleForTarget);
if (nextStyleForTarget) {
nextStyleForRoot = aStyleForRoot;
} else {
nextStyleForRoot = getNextWritingModeStyle(aStyleForRoot);
if (!nextStyleForRoot) {
// All writing mode combinations have been enumerated, so stop
// recursively calling doTestAutoDirScroll2, and go ahead with the
// subsequent tests.
SimpleTest.executeSoon(aCallback);
return;
}
nextStyleForTarget = getFirstWritingModeStyle();
}
doTestAutoDirScroll2(aSettings, aAutoDirTrait,
nextStyleForRoot, nextStyleForTarget,
aCallback);
return;
}
gScrollableElement.scrollTop = kOrigScrollTop;
gScrollableElement.scrollLeft = kOrigScrollLeft;
var currentTest = kTests[currentTestIndex];
description = "doTestAutoDirScroll(aSettings=" + aSettings.description + ", ";
if (kHonoursRoot) {
description += "{honoursRoot: true}), ";
} else {
description += "{honoursRoot: false}), ";
}
description += "root = " + styleDescForRoot + " ";
description += "target = " + styleDescForTarget + " ";
if (currentTest.adjusted) {
description += "adjusted ";
} else {
description += "unadjusted ";
}
description += currentTest.description + ": ";
if (currentTest.prepare) {
currentTest.prepare(doTestCurrentScroll);
} else {
doTestCurrentScroll();
}
}
function doTestCurrentScroll() {
var currentTest = kTests[currentTestIndex];
sendWheelAndWait(100, 100, currentTest.event, function () {
if (currentTest.expected == kNoScroll) {
is(gScrollableElement.scrollTop, kOrigScrollTop, description + "scrolled vertical");
is(gScrollableElement.scrollLeft, kOrigScrollLeft, description + "scrolled horizontal");
} else {
// If auto-dir adjustment occurs, temporarily swap |isYReverted| and
// |isXReverted|.
if (currentTest.adjusted) {
[isYReverted, isXReverted] = [isXReverted, isYReverted];
}
let scrollUp = !isYReverted ? (currentTest.expected & kScrollUp) :
(currentTest.expected & kScrollDown);
let scrollDown = !isYReverted ? (currentTest.expected & kScrollDown) :
(currentTest.expected & kScrollUp);
if (scrollUp) {
ok(gScrollableElement.scrollTop < kOrigScrollTop,
description + "not scrolled up, got " + gScrollableElement.scrollTop);
} else if (scrollDown) {
ok(gScrollableElement.scrollTop > kOrigScrollTop,
description + "not scrolled down, got " + gScrollableElement.scrollTop);
} else {
is(gScrollableElement.scrollTop, kOrigScrollTop,
description + "scrolled vertical");
}
var scrollLeft = !isXReverted ? (currentTest.expected & kScrollLeft) :
(currentTest.expected & kScrollRight);
var scrollRight = !isXReverted ? (currentTest.expected & kScrollRight) :
(currentTest.expected & kScrollLeft);
if (scrollLeft) {
ok(gScrollableElement.scrollLeft < kOrigScrollLeft,
description + "not scrolled to left, got " + gScrollableElement.scrollLeft);
} else if (scrollRight) {
ok(gScrollableElement.scrollLeft > kOrigScrollLeft,
description + "not scrolled to right, got " + gScrollableElement.scrollLeft);
} else {
is(gScrollableElement.scrollLeft, kOrigScrollLeft,
description + "scrolled horizontal");
}
// |isYReverted| and |isXReverted| have been temporarily swaped for
// auto-dir adjustment, restore them.
if (currentTest.adjusted) {
[isYReverted, isXReverted] = [isXReverted, isYReverted];
}
}
if (currentTest.cleanup) {
currentTest.cleanup(nextStep);
} else {
nextStep();
}
function nextStep() {
winUtils.advanceTimeAndRefresh(100);
doNextTest();
}
});
}
doNextTest();
}
function doTestZoom(aSettings, aCallback)
{
if ((aSettings.deltaMultiplierX != 1.0 && aSettings.deltaMultiplierX != -1.0) ||
(aSettings.deltaMultiplierY != 1.0 && aSettings.deltaMultiplierY != -1.0)) {
todo(false, "doTestZoom doesn't support to test with aSettings=" + aSettings.description);
SimpleTest.executeSoon(aCallback);
return;
}
const kNone = 0x00;
const kPositive = 0x01;
const kNegative = 0x02;
const kUseX = 0x10;
const kUseY = 0x20;
const kTests = [
{ description: "by vertical/positive pixel event when its lineOrPageDeltaY is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by vertical/positive pixel event when its lineOrPageDeltaY is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kPositive | kUseY },
{ description: "by vertical/negative pixel event when its lineOrPageDeltaY is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by vertical/negative pixel event when its lineOrPageDeltaY is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNegative | kUseY },
{ description: "by horizotal/positive pixel event when its lineOrPageDeltaX is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by horizotal/positive pixel event when its lineOrPageDeltaX is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kPositive | kUseX },
{ description: "by horizotal/negative pixel event when its lineOrPageDeltaX is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by horizotal/negative pixel event when its lineOrPageDeltaX is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNegative | kUseX },
{ description: "by z pixel event",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 0.0, deltaZ: 16.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by vertical/positive line event when its lineOrPageDeltaY is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by vertical/positive line event when its lineOrPageDeltaY is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kPositive | kUseY },
{ description: "by vertical/negative line event when its lineOrPageDeltaY is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by vertical/negative line event when its lineOrPageDeltaY is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNegative | kUseY },
{ description: "by horizotal/positive line event when its lineOrPageDeltaX is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by horizotal/positive line event when its lineOrPageDeltaX is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kPositive | kUseX },
{ description: "by horizotal/negative line event when its lineOrPageDeltaX is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by horizotal/negative line event when its lineOrPageDeltaX is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNegative | kUseX },
{ description: "by z line event",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by vertical/positive page event when its lineOrPageDeltaY is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by vertical/positive page event when its lineOrPageDeltaY is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kPositive | kUseY },
{ description: "by vertical/negative page event when its lineOrPageDeltaY is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by vertical/negative page event when its lineOrPageDeltaY is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNegative | kUseY },
{ description: "by horizotal/positive page event when its lineOrPageDeltaX is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by horizotal/positive page event when its lineOrPageDeltaX is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kPositive | kUseX },
{ description: "by horizotal/negative page event when its lineOrPageDeltaX is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by horizotal/negative page event when its lineOrPageDeltaX is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNegative | kUseX },
{ description: "by z page event",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
];
var description, currentTest;
var currentTestIndex = -1;
var isXReverted = (aSettings.deltaMultiplierX < 0);
var isYReverted = (aSettings.deltaMultiplierY < 0);
function doNextTest() {
if (++currentTestIndex >= kTests.length) {
SimpleTest.executeSoon(aCallback);
return;
}
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
currentTest = kTests[currentTestIndex];
description = "doTestZoom(aSettings=" + aSettings.description + "), ";
if (currentTest.expected == kNone) {
description += "Shouldn't ";
} else {
description += "Should ";
}
description += "zoom " + currentTest.description + ": ";
var event = currentTest.event;
event.ctrlKey = true;
// NOTE: Zooming might change scrollTop and scrollLeft by rounding fraction.
// This test assume that zoom happens synchronously and scrolling
// happens asynchronously.
var scrollTop = gScrollableElement.scrollTop;
var scrollLeft = gScrollableElement.scrollLeft;
fullZoomChangePromise = new Promise(resolve => {
if (currentTest.expected & (kNegative | kPositive)) {
// Zoom causes a resize of the viewport.
window.addEventListener("resize", function onResize() {
if (SpecialPowers.getFullZoom(window) != 1) {
window.removeEventListener("resize", onResize);
setTimeout(() => resolve(), 0);
}
});
} else {
resolve();
}
});
sendWheelAndWait(10, 10, event, function () {
is(gScrollableElement.scrollTop, scrollTop, description + "scrolled vertical");
is(gScrollableElement.scrollLeft, scrollLeft, description + "scrolled horizontal");
fullZoomChangePromise.then(() => {
// When input event prioritization is enabled, the wheel event may be
// dispatched to the content process before the message 'FullZoom' to
// zoom in/out. Waiting for the event 'FullZoomChange' and then check
// the result.
if (!(currentTest.expected & (kNegative | kPositive))) {
is(SpecialPowers.getFullZoom(window), 1.0, description + "zoomed");
} else {
var isReverted = (currentTest.expected & kUseX) ? isXReverted :
(currentTest.expected & kUseY) ? isYReverted : false;
if ((!isReverted && (currentTest.expected & kNegative)) ||
(isReverted && (currentTest.expected & kPositive))) {
ok(SpecialPowers.getFullZoom(window) > 1.0,
description + "not zoomed in, got " + SpecialPowers.getFullZoom(window));
} else {
ok(SpecialPowers.getFullZoom(window) < 1.0,
description + "not zoomed out, got " + SpecialPowers.getFullZoom(window));
}
}
if (SpecialPowers.getFullZoom(window) != 1) {
// Only synthesizes key event to reset zoom when necessary to avoid
// triggering the next test before the key event is handled. In that
// case, the key event may break the next test.
synthesizeKey("0", { accelKey: true });
}
onZoomReset(function () {
hitEventLoop(doNextTest, 20);
});
});
});
}
doNextTest();
}
function doTestZoomedScroll(aCallback)
{
var zoom = 1.0;
function setFullZoom(aWindow, aZoom)
{
zoom = aZoom;
SpecialPowers.setFullZoom(aWindow, aZoom);
}
function prepareTestZoomedPixelScroll()
{
// Reset zoom and store the scroll amount into the data.
synthesizeKey("0", { accelKey: true });
zoom = 1.0;
onZoomReset(testZoomedPixelScroll);
}
function testZoomedPixelScroll()
{
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
// Ensure not to be in reflow.
hitEventLoop(function () {
function mousePixelScrollHandler(aEvent)
{
if (aEvent.axis == MouseScrollEvent.HORIZONTAL_AXIS) {
is(aEvent.detail, 16,
"doTestZoomedScroll: The detail of horizontal MozMousePixelScroll for pixel wheel event is wrong");
} else if (aEvent.axis == MouseScrollEvent.VERTICAL_AXIS) {
is(aEvent.detail, 16,
"doTestZoomedScroll: The detail of vertical MozMousePixelScroll for pixel wheel event is wrong");
} else {
ok(false, "doTestZoomedScroll: The axis of MozMousePixelScroll for pixel wheel event is invalid, got " + aEvent.axis);
}
}
function wheelHandler(aEvent)
{
is(aEvent.deltaX, 16.0 / zoom,
"doTestZoomedScroll: The deltaX of wheel for pixel is wrong");
is(aEvent.deltaY, 16.0 / zoom,
"doTestZoomedScroll: The deltaY of wheel for pixel is wrong");
}
window.addEventListener("MozMousePixelScroll", mousePixelScrollHandler, true);
window.addEventListener("wheel", wheelHandler, true);
var event = {
deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 16.0,
deltaY: 16.0,
lineOrPageDeltaX: 0,
lineOrPageDeltaY: 0
};
// wait scrolled actually.
sendWheelAndWait(10, 10, event, function () {
var scrolledX = gScrollableElement.scrollLeft;
var scrolledY = gScrollableElement.scrollTop;
ok(scrolledX > 1000,
"doTestZoomedScroll: scrolledX must be larger than 1000 for pixel wheel event, got " + scrolledX);
ok(scrolledY > 1000,
"doTestZoomedScroll: scrolledY must be larger than 1000 for pixel wheel event, got " + scrolledY);
// Zoom
setFullZoom(window, 2.0);
// Ensure not to be in reflow.
hitEventLoop(function () {
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
var evt = {
deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 16.0,
deltaY: 16.0,
lineOrPageDeltaX: 0,
lineOrPageDeltaY: 0
};
// wait scrolled actually.
sendWheelAndWait(10, 10, evt, function () {
ok(Math.abs(gScrollableElement.scrollLeft - (1000 + (scrolledX - 1000) / 2)) <= 1,
"doTestZoomedScroll: zoomed horizontal scroll amount by pixel wheel event is different from normal, scrollLeft=" +
gScrollableElement.scrollLeft + ", scrolledX=" + scrolledX);
ok(Math.abs(gScrollableElement.scrollTop - (1000 + (scrolledY - 1000) / 2)) <= 1,
"doTestZoomedScroll: zoomed vertical scroll amount by pixel wheel event is different from normal, scrollTop=" +
gScrollableElement.scrollTop + ", scrolledY=" + scrolledY);
window.removeEventListener("MozMousePixelScroll", mousePixelScrollHandler, true);
window.removeEventListener("wheel", wheelHandler, true);
synthesizeKey("0", { accelKey: true });
onZoomReset(prepareTestZoomedLineScroll);
});
}, 20);
});
}, 20);
}
function prepareTestZoomedLineScroll()
{
// Reset zoom and store the scroll amount into the data.
synthesizeKey("0", { accelKey: true });
zoom = 1.0;
onZoomReset(testZoomedLineScroll);
}
function testZoomedLineScroll()
{
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
// Ensure not to be in reflow.
hitEventLoop(function () {
var lineHeightX, lineHeightY;
function handler(aEvent)
{
if (aEvent.axis == MouseScrollEvent.HORIZONTAL_AXIS) {
if (lineHeightX == undefined) {
lineHeightX = aEvent.detail;
} else {
ok(Math.abs(aEvent.detail - lineHeightX) <= 1,
"doTestZoomedScroll: The detail of horizontal MozMousePixelScroll for line wheel event is wrong, aEvent.detail=" +
aEvent.detail + ", lineHeightX=" + lineHeightX);
}
} else if (aEvent.axis == MouseScrollEvent.VERTICAL_AXIS) {
if (lineHeightY == undefined) {
lineHeightY = aEvent.detail;
} else {
ok(Math.abs(aEvent.detail - lineHeightY) <= 1,
"doTestZoomedScroll: The detail of vertical MozMousePixelScroll for line wheel event is wrong, aEvent.detail=" +
aEvent.detail + ", lineHeightY=" + lineHeightY);
}
} else {
ok(false, "doTestZoomedScroll: The axis of MozMousePixelScroll for line wheel event is invalid, got " + aEvent.axis);
}
}
window.addEventListener("MozMousePixelScroll", handler, true);
var event = {
deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0,
deltaY: 1.0,
lineOrPageDeltaX: 1,
lineOrPageDeltaY: 1
};
// wait scrolled actually.
sendWheelAndWait(10, 10, event, function () {
var scrolledX = gScrollableElement.scrollLeft;
var scrolledY = gScrollableElement.scrollTop;
ok(scrolledX > 1000,
"doTestZoomedScroll: scrolledX must be larger than 1000 for line wheel event, got " + scrolledX);
ok(scrolledY > 1000,
"doTestZoomedScroll: scrolledY must be larger than 1000 for line wheel event, got " + scrolledY);
// Zoom
setFullZoom(window, 2.0);
// Ensure not to be in reflow.
hitEventLoop(function () {
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
var evt = {
deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0,
deltaY: 1.0,
lineOrPageDeltaX: 1,
lineOrPageDeltaY: 1
};
// wait scrolled actually.
sendWheelAndWait(10, 10, evt, function () {
ok(Math.abs(gScrollableElement.scrollLeft - scrolledX) <= 1,
"doTestZoomedScroll: zoomed horizontal scroll amount by line wheel event is different from normal, scrollLeft=" +
gScrollableElement.scrollLeft + ", scrolledX=" + scrolledX);
ok(Math.abs(gScrollableElement.scrollTop - scrolledY) <= 1,
"doTestZoomedScroll: zoomed vertical scroll amount by line wheel event is different from normal, scrollTop=" +
gScrollableElement.scrollTop + ", scrolledY=" + scrolledY);
window.removeEventListener("MozMousePixelScroll", handler, true);
synthesizeKey("0", { accelKey: true });
onZoomReset(aCallback);
});
}, 20);
});
}, 20);
}
// XXX It's too difficult to test page scroll because the page scroll amount
// is computed by complex logic.
prepareTestZoomedPixelScroll();
}
function doTestWholeScroll(aCallback)
{
SpecialPowers.pushPrefEnv({"set": [
["mousewheel.default.delta_multiplier_x", 999999],
["mousewheel.default.delta_multiplier_y", 999999]]},
function() { doTestWholeScroll2(aCallback); });
}
function doTestWholeScroll2(aCallback)
{
const kTests = [
{ description: "try whole-scroll to top (line)",
prepare () {
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
},
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: -1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1 },
expectedScrollTop: 0,
expectedScrollLeft: 1000
},
{ description: "try whole-scroll to top when scrollTop is already top-most (line)",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: -1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1 },
expectedScrollTop: 0,
expectedScrollLeft: 1000
},
{ description: "try whole-scroll to bottom (line)",
prepare () {
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
},
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1 },
expectedScrollTop: gScrollableElement.scrollTopMax,
expectedScrollLeft: 1000
},
{ description: "try whole-scroll to bottom when scrollTop is already bottom-most (line)",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0, deltaY: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1 },
expectedScrollTop: gScrollableElement.scrollTopMax,
expectedScrollLeft: 1000
},
{ description: "try whole-scroll to left (line)",
prepare () {
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
},
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -1.0, deltaY: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0 },
expectedScrollTop: 1000,
expectedScrollLeft: 0
},
{ description: "try whole-scroll to left when scrollLeft is already left-most (line)",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -1.0, deltaY: 0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0 },
expectedScrollTop: 1000,
expectedScrollLeft: 0
},
{ description: "try whole-scroll to right (line)",
prepare () {
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
},
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0 },
expectedScrollTop: 1000,
expectedScrollLeft: gScrollableElement.scrollLeftMax
},
{ description: "try whole-scroll to right when scrollLeft is already right-most (line)",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0 },
expectedScrollTop: 1000,
expectedScrollLeft: gScrollableElement.scrollLeftMax
},
{ description: "try whole-scroll to top (pixel)",
prepare () {
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
},
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 },
expectedScrollTop: 0,
expectedScrollLeft: 1000
},
{ description: "try whole-scroll to top when scrollTop is already top-most (pixel)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 },
expectedScrollTop: 0,
expectedScrollLeft: 1000
},
{ description: "try whole-scroll to bottom (pixel)",
prepare () {
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
},
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 },
expectedScrollTop: gScrollableElement.scrollTopMax,
expectedScrollLeft: 1000
},
{ description: "try whole-scroll to bottom when scrollTop is already bottom-most (pixel)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0, deltaY: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 },
expectedScrollTop: gScrollableElement.scrollTopMax,
expectedScrollLeft: 1000
},
{ description: "try whole-scroll to left (pixel)",
prepare () {
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
},
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -1.0, deltaY: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 },
expectedScrollTop: 1000,
expectedScrollLeft: 0
},
{ description: "try whole-scroll to left when scrollLeft is already left-most (pixel)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -1.0, deltaY: 0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 },
expectedScrollTop: 1000,
expectedScrollLeft: 0
},
{ description: "try whole-scroll to right (pixel)",
prepare () {
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
},
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 1.0, deltaY: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 },
expectedScrollTop: 1000,
expectedScrollLeft: gScrollableElement.scrollLeftMax
},
{ description: "try whole-scroll to right when scrollLeft is already right-most (pixel)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 1.0, deltaY: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 },
expectedScrollTop: 1000,
expectedScrollLeft: gScrollableElement.scrollLeftMax
},
{ description: "try whole-scroll to top (page)",
prepare () {
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
},
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: -1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1 },
expectedScrollTop: 0,
expectedScrollLeft: 1000
},
{ description: "try whole-scroll to top when scrollTop is already top-most (page)",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: -1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1 },
expectedScrollTop: 0,
expectedScrollLeft: 1000
},
{ description: "try whole-scroll to bottom (page)",
prepare () {
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
},
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1 },
expectedScrollTop: gScrollableElement.scrollTopMax,
expectedScrollLeft: 1000
},
{ description: "try whole-scroll to bottom when scrollTop is already bottom-most (page)",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0, deltaY: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1 },
expectedScrollTop: gScrollableElement.scrollTopMax,
expectedScrollLeft: 1000
},
{ description: "try whole-scroll to left (page)",
prepare () {
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
},
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -1.0, deltaY: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0 },
expectedScrollTop: 1000,
expectedScrollLeft: 0
},
{ description: "try whole-scroll to left when scrollLeft is already left-most (page)",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -1.0, deltaY: 0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0 },
expectedScrollTop: 1000,
expectedScrollLeft: 0
},
{ description: "try whole-scroll to right (page)",
prepare () {
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
},
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 1.0, deltaY: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0 },
expectedScrollTop: 1000,
expectedScrollLeft: gScrollableElement.scrollLeftMax
},
{ description: "try whole-scroll to right when scrollLeft is already right-most (page)",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 1.0, deltaY: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0 },
expectedScrollTop: 1000,
expectedScrollLeft: gScrollableElement.scrollLeftMax
},
];
var index = 0;
function doIt()
{
const kTest = kTests[index];
if (kTest.prepare) {
kTest.prepare();
}
sendWheelAndWait(10, 10, kTest.event, function () {
is(gScrollableElement.scrollTop, kTest.expectedScrollTop,
"doTestWholeScroll, " + kTest.description + ": unexpected scrollTop");
is(gScrollableElement.scrollLeft, kTest.expectedScrollLeft,
"doTestWholeScroll, " + kTest.description + ": unexpected scrollLeft");
if (++index == kTests.length) {
SimpleTest.executeSoon(aCallback);
} else {
doIt();
}
});
}
doIt();
}
function doTestActionOverride(aCallback)
{
const kNoScroll = 0x00;
const kScrollUp = 0x01;
const kScrollDown = 0x02;
const kScrollLeft = 0x04;
const kScrollRight = 0x08;
const kTests = [
{ action: kDefaultActionScroll, override_x: kDefaultActionOverrideXNoOverride,
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 1.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 },
expected: kScrollDown | kScrollRight
},
{ action: kDefaultActionScroll, override_x: kDefaultActionOverrideXNone,
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 1.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 },
expected: kScrollDown | kScrollRight
},
{ action: kDefaultActionScroll, override_x: kDefaultActionOverrideXScroll,
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 1.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 },
expected: kScrollDown | kScrollRight
},
{ action: kDefaultActionNone, override_x: kDefaultActionOverrideXNoOverride,
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 1.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 },
expected: kNoScroll
},
{ action: kDefaultActionNone, override_x: kDefaultActionOverrideXNone,
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 1.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 },
expected: kNoScroll
},
{ action: kDefaultActionNone, override_x: kDefaultActionOverrideXScroll,
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 1.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 },
expected: kNoScroll
},
{ action: kDefaultActionScroll, override_x: kDefaultActionOverrideXNoOverride,
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 0.5,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 },
expected: kScrollDown | kScrollRight
},
{ action: kDefaultActionScroll, override_x: kDefaultActionOverrideXNone,
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 0.5,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 },
expected: kNoScroll
},
{ action: kDefaultActionScroll, override_x: kDefaultActionOverrideXScroll,
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 0.5,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 },
expected: kScrollDown | kScrollRight
},
{ action: kDefaultActionNone, override_x: kDefaultActionOverrideXNoOverride,
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 0.5,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 },
expected: kNoScroll
},
{ action: kDefaultActionNone, override_x: kDefaultActionOverrideXNone,
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 0.5,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 },
expected: kNoScroll
},
{ action: kDefaultActionNone, override_x: kDefaultActionOverrideXScroll,
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 0.5,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 },
expected: kScrollDown | kScrollRight
},
{ action: kDefaultActionScroll, override_x: kDefaultActionOverrideXNoOverride,
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 1.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 },
expected: kScrollDown | kScrollRight
},
{ action: kDefaultActionScroll, override_x: kDefaultActionOverrideXNone,
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 1.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 },
expected: kScrollDown | kScrollRight
},
{ action: kDefaultActionScroll, override_x: kDefaultActionOverrideXScroll,
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 1.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 },
expected: kScrollDown | kScrollRight
},
{ action: kDefaultActionNone, override_x: kDefaultActionOverrideXNoOverride,
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 1.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 },
expected: kNoScroll
},
{ action: kDefaultActionNone, override_x: kDefaultActionOverrideXNone,
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 1.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 },
expected: kNoScroll
},
{ action: kDefaultActionNone, override_x: kDefaultActionOverrideXScroll,
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 1.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 },
expected: kNoScroll
},
];
var index = 0;
function doIt()
{
const kTest = kTests[index];
SpecialPowers.pushPrefEnv({"set": [
["mousewheel.default.action", kTest.action],
["mousewheel.default.action.override_x", kTest.override_x]]},
doIt2
);
}
function doIt2()
{
const kTest = kTests[index];
description = "doTestActionOverride(action=" + kTest.action + ", " +
"override_x=" + kTest.override_x + ", " +
"deltaX=" + kTest.event.deltaX + ", " +
"deltaY=" + kTest.event.deltaY + "): ";
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
sendWheelAndWait(10, 10, kTest.event, function () {
if (kTest.expected & kScrollUp) {
ok(gScrollableElement.scrollTop < 1000, description + "not scrolled up, got " + gScrollableElement.scrollTop);
} else if (kTest.expected & kScrollDown) {
ok(gScrollableElement.scrollTop > 1000, description + "not scrolled down, got " + gScrollableElement.scrollTop);
} else {
is(gScrollableElement.scrollTop, 1000, description + "scrolled vertical");
}
if (kTest.expected & kScrollLeft) {
ok(gScrollableElement.scrollLeft < 1000, description + "not scrolled to left, got " + gScrollableElement.scrollLeft);
} else if (kTest.expected & kScrollRight) {
ok(gScrollableElement.scrollLeft > 1000, description + "not scrolled to right, got " + gScrollableElement.scrollLeft);
} else {
is(gScrollableElement.scrollLeft, 1000, description + "scrolled horizontal");
}
if (++index == kTests.length) {
SimpleTest.executeSoon(aCallback);
} else {
doIt();
}
});
}
doIt();
}
function runTests()
{
SpecialPowers.pushPrefEnv({"set": [
["test.events.async.enabled", true],
["general.smoothScroll", false],
["mousewheel.default.action", kDefaultActionScroll],
["mousewheel.default.action.override_x", kDefaultActionOverrideXNoOverride],
["mousewheel.with_shift.action", kDefaultActionHorizontalizedScroll],
["mousewheel.with_shift.action.override_x", kDefaultActionOverrideXNoOverride],
["mousewheel.with_control.action", kDefaultActionZoom],
["mousewheel.with_control.action.override_x", kDefaultActionOverrideXNoOverride],
["mousewheel.with_alt.action", kDefaultActionHistory],
["mousewheel.with_alt.action.override_x", kDefaultActionOverrideXNoOverride]]},
runTests2);
}
function runTests2()
{
const kSettings = [
{ description: "all delta values are not customized",
deltaMultiplierX: 1.0, deltaMultiplierY: 1.0, deltaMultiplierZ: 1.0 },
{ description: "deltaX is reverted",
deltaMultiplierX: -1.0, deltaMultiplierY: 1.0, deltaMultiplierZ: 1.0 },
{ description: "deltaY is reverted",
deltaMultiplierX: 1.0, deltaMultiplierY: -1.0, deltaMultiplierZ: 1.0 },
// Unless you really don't care a snap on time-consuming testing or a strict
// criteria is required for testing, it is strongly recommeneded that you
// comment the unrealistic case out.
//{ description: "deltaZ is reverted",
// deltaMultiplierX: 1.0, deltaMultiplierY: 1.0, deltaMultiplierZ: -1.0 },*/
{ description: "deltaX is 2.0",
deltaMultiplierX: 2.0, deltaMultiplierY: 1.0, deltaMultiplierZ: 1.0 },
{ description: "deltaY is 2.0",
deltaMultiplierX: 1.0, deltaMultiplierY: 2.0, deltaMultiplierZ: 1.0 },
// Unless you really don't care a snap on time-consuming testing or a strict
// criteria is required for testing, it is strongly recommeneded that you
// comment the unrealistic case out.
//{ description: "deltaZ is 2.0",
// deltaMultiplierX: 1.0, deltaMultiplierY: 1.0, deltaMultiplierZ: 2.0 },
//{ description: "deltaX is -2.0",
// deltaMultiplierX: -2.0, deltaMultiplierY: 1.0, deltaMultiplierZ: 1.0 },
//{ description: "deltaY is -2.0",
// deltaMultiplierX: 1.0, deltaMultiplierY: -2.0, deltaMultiplierZ: 1.0 },
//{ description: "deltaZ is -2.0",
// deltaMultiplierX: 1.0, deltaMultiplierY: 1.0, deltaMultiplierZ: -2.0 },
];
var index = 0;
function doTest() {
setDeltaMultiplierSettings(kSettings[index], function () {
doTestScroll(kSettings[index], function () {
doTestAutoDirScroll(kSettings[index], {honoursRoot: false}, function () {
doTestAutoDirScroll(kSettings[index], {honoursRoot: true}, function () {
doTestHorizontalizedScroll(kSettings[index], function() {
doTestZoom(kSettings[index], function() {
if (++index == kSettings.length) {
setDeltaMultiplierSettings(kSettings[0], function() {
doTestZoomedScroll(function() {
doTestWholeScroll(function() {
doTestActionOverride(function() {
finishTests();
});
});
});
});
} else {
doTest();
}
});
});
});
});
});
});
}
doTest();
}
function finishTests()
{
winUtils.restoreNormalRefresh();
window.opener.finish();
}
</script>
</pre>
</body>
</html>