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Bug 719320 part.10 Add new tests and remove tests for old ESM's legacy mouse scroll event handler r=smaug

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This commit is contained in:
Masayuki Nakano 2012-08-12 10:42:36 +09:00
parent 577c0446d5
commit cf816214b0
7 changed files with 6305 additions and 266 deletions
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5
content/events/test/Makefile.in
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@ -85,6 +85,10 @@ MOCHITEST_FILES = \
test_dom_keyboard_event.html \
test_dom_mouse_event.html \
test_dom_wheel_event.html \
test_continuous_wheel_events.html \
test_moz_mouse_pixel_scroll_event.html \
test_wheel_default_action.html \
window_wheel_default_action.html \
test_bug603008.html \
test_bug716822.html \
test_bug742376.html \
@ -107,7 +111,6 @@ endif
MOCHITEST_CHROME_FILES = \
test_bug336682_2.xul \
test_bug336682.js \
test_bug350471.xul \
test_bug586961.xul \
test_bug415498.xul \
bug415498-doc1.html \

264
content/events/test/test_bug350471.xul
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@ -1,264 +0,0 @@
<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css" type="text/css"?>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=350471
-->
<window title="Mozilla Bug 350471"
xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
<title>Test for Bug 350471</title>
<script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
<script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"/>
<body xmlns="http://www.w3.org/1999/xhtml">
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=350471">Mozilla Bug 350471</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
</body>
<script class="testbody" type="application/javascript;version=1.7"><![CDATA[
/** Test for Bug 350471 **/
const minLineHeight = 10, maxLineHeight = 20;
function between(x, min, max) (min <= max) ? (min <= x && x <= max) : (max <= x && x <= min);
function isbetween(x, min, max, msg) ok(between(x, min, max), msg + " - Expected " + min + " to " + max + ", got " + x);
function testEventDispatching(aWin) {
function helper(aAxis, aDelta, aKind, aShiftKey, aCtrlKey, aAltKey, aMetaKey) {
let expectedEvents = [];
let deltaUnit = "";
function listener(e) {
if (!expectedEvents.length) {
ok(false, "Received an event that I didn't expect. type: " + e.type +
", axis: " + e.axis + ", delta: " + e.delta);
return;
}
let expected = expectedEvents.shift();
["type", "shiftKey", "ctrlKey", "altKey", "metaKey"].forEach(function(field) {
is(e[field], expected[field],
"e." + field + " (" + e[field] + ") does not match expected value (" + expected[field] + ")");
});
let expectedAxis = expected.axis == "horizontal" ? e.HORIZONTAL_AXIS : e.VERTICAL_AXIS;
is(e.axis, expectedAxis,
"e.axis (" + e.axis + ") does not match expected value (" + expectedAxis + ")");
// When modifier keys are pressed, cancel the event.
// We don't want to zoom or navigate back / forward (history scroll).
if (aShiftKey || aCtrlKey || aAltKey || aMetaKey) {
e.preventDefault();
// Note: If this is a DOMMouseScroll event without hasPixels, we still
// expect a follow-up MozMousePixelScroll event.
} else {
// Only check the delta if no modifiers are pressed.
// History scroll and zoom change the deltas in nsESM::PreHandleEvent.
if (deltaUnit == (e.type == "DOMMouseScroll" ? "lines" : "pixels")) {
// no unit conversion necessary
is(e.detail, expected.delta,
"e.detail (" + e.detail + ") does not match expected value (" + expected.delta + ")");
} else if (e.type == "MozMousePixelScroll") {
// We sent a line scroll event but are receiving a pixel scroll event,
// so we need to convert the delta.
let minDelta = expected.delta * minLineHeight;
let maxDelta = expected.delta * maxLineHeight;
isbetween(e.detail, minDelta, maxDelta, "wrong pixel scroll event delta");
}
}
e.stopPropagation();
}
// Set up the expected values.
if (aKind == 0 || aKind == 1) {
expectedEvents.push({
type: "DOMMouseScroll",
axis: aAxis,
delta: aDelta,
hasPixels: (aKind == 1),
shiftKey: aShiftKey,
ctrlKey: aCtrlKey,
altKey: aAltKey,
metaKey: aMetaKey
});
}
if (aKind == 0 || aKind == 2) {
expectedEvents.push({
type: "MozMousePixelScroll",
axis: aAxis,
delta: aDelta,
shiftKey: aShiftKey,
ctrlKey: aCtrlKey,
altKey: aAltKey,
metaKey: aMetaKey
});
}
deltaUnit = aKind == 2 ? "pixels" : "lines";
aWin.document.addEventListener("DOMMouseScroll", listener, true);
aWin.document.addEventListener("MozMousePixelScroll", listener, true);
// Send the event to the documentElement.
synthesizeMouseScroll(aWin.document.documentElement, 10, 10, expectedEvents[0], aWin);
aWin.document.removeEventListener("DOMMouseScroll", listener, true);
aWin.document.removeEventListener("MozMousePixelScroll", listener, true);
// expectedEvents should be empty now. If it's not, print errors.
expectedEvents.forEach(function(e) {
ok(false, "Didn't receive expected event: " + JSON.stringify(e));
});
};
let i = 0;
[0, 1, 2].forEach(function(aKind) {
["horizontal", "vertical"].forEach(function(aAxis) {
[false, true].forEach(function(aShift) {
[false, true].forEach(function(aCtrl) {
[false, true].forEach(function(aAlt) {
[false, true].forEach(function(aMeta) {
helper(aAxis, [-5, -1, 0, 1, 5][i++ % 5], aKind, aShift, aCtrl, aAlt, aMeta);
});
});
});
});
});
});
}
function testDefaultHandling(aWin, andThen) {
let scrollbox = aWin.document.getElementById("scrollbox");
function scrollWithPreventDefault(aEvent, aDoConsume) {
function listener(e) {
if (aDoConsume[e.type])
e.preventDefault();
}
scrollbox.addEventListener("DOMMouseScroll", listener, true);
scrollbox.addEventListener("MozMousePixelScroll", listener, true);
synthesizeMouseScroll(scrollbox, 10, 10, aEvent, aWin);
scrollbox.removeEventListener("DOMMouseScroll", listener, true);
scrollbox.removeEventListener("MozMousePixelScroll", listener, true);
}
let tests = [];
function helper(aType, aHasPixels, aAxis, aStart, aDelta, aConsumeLine, aConsumePixel, aPositionShouldChange, aCurrentTest) {
tests.push([aType, aHasPixels, aAxis, aStart, aDelta, aConsumeLine, aConsumePixel, aPositionShouldChange, aCurrentTest]);
}
function exec() {
let [aType, aHasPixels, aAxis, aStart, aDelta, aConsumeLine, aConsumePixel, aPositionShouldChange, currentTest] = tests[0];
tests.shift();
scrollbox.scrollLeft = aStart;
scrollbox.scrollTop = aStart;
scrollWithPreventDefault({
type: aType,
axis: aAxis,
hasPixels: aHasPixels,
delta: aDelta
}, {
"DOMMouseScroll": aConsumeLine,
"MozMousePixelScroll": aConsumePixel
});
setTimeout(function() {
let newPos = scrollbox[aAxis == "horizontal" ? "scrollLeft" : "scrollTop"];
let newPosWrongAxis = scrollbox[aAxis == "horizontal" ? "scrollTop" : "scrollLeft"];
is(newPosWrongAxis, aStart, currentTest + " wrong axis scrolled - type: " + aType);
if (aPositionShouldChange) {
if (aType == "MozMousePixelScroll") {
// aDelta is in pixels, no conversion necessary
is(newPos, aStart + aDelta, currentTest + " wrong scroll position - type: " + aType);
} else {
// Use minLineHeight and maxLineHeight as an estimate for the conversion factor.
isbetween(newPos, aStart + aDelta * minLineHeight, aStart + aDelta * maxLineHeight,
currentTest + " wrong scroll position - type: " + aType);
}
} else {
is(newPos, aStart, currentTest + " The scroll position shouldn't have changed. - type: " + aType);
}
if (tests.length)
exec();
else
andThen();
}, 20);
}
["horizontal", "vertical"].forEach(function(aAxis) {
[-5, 5].forEach(function(aDelta) {
[false, true].forEach(function(aConsumeLine) {
[false, true].forEach(function(aConsumePixel) {
let shouldScroll = !aConsumeLine && !aConsumePixel;
let currentTest = "";
currentTest = "normal DOMMouseScroll: only scroll if neither line nor pixel scroll are consumed.";
helper("DOMMouseScroll", false, aAxis, 4000, aDelta, aConsumeLine, aConsumePixel, shouldScroll, currentTest);
currentTest = "DOMMouseScroll with hasPixels: never scroll.";
helper("DOMMouseScroll", true, aAxis, 4000, aDelta, aConsumeLine, aConsumePixel, false, currentTest);
currentTest = "MozMousePixelScroll (consumed: " + aConsumePixel +
") with preceding DOMMouseScroll (consumed: " + aConsumeLine +
"): " + (shouldScroll ? "scroll." : "don't scroll.");
// It shouldn't matter:
// 1. whether hasPixels is set on the preceding DOMMouseScroll event or
// 2. whether the preceding DOMMouseScroll event's MozMousePixelScroll event is consumed.
helper("DOMMouseScroll", true, aAxis, 4000, aDelta, aConsumeLine, false, false, currentTest);
helper("MozMousePixelScroll", false, aAxis, 4000, aDelta, false, aConsumePixel, shouldScroll, currentTest);
helper("DOMMouseScroll", false, aAxis, 4000, aDelta, aConsumeLine, false, !aConsumeLine, currentTest);
helper("MozMousePixelScroll", false, aAxis, 4000, aDelta, false, aConsumePixel, shouldScroll, currentTest);
helper("DOMMouseScroll", false, aAxis, 4000, aDelta, aConsumeLine, true, false, currentTest);
helper("MozMousePixelScroll", false, aAxis, 4000, aDelta, false, aConsumePixel, shouldScroll, currentTest);
});
});
});
});
exec();
}
function initPrefs()
{
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
var prefSvc = Components.classes["@mozilla.org/preferences-service;1"].
getService(Components.interfaces.nsIPrefBranch);
// Disables the app level scroll acceleration
prefSvc.setIntPref("mousewheel.acceleration.start", -1);
prefSvc.setBoolPref("mousewheel.system_scroll_override_on_root_content.enabled", false);
prefSvc.setBoolPref("general.smoothScroll", false);
}
function clearPrefs()
{
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
var prefSvc = Components.classes["@mozilla.org/preferences-service;1"].
getService(Components.interfaces.nsIPrefBranch);
prefSvc.clearUserPref("mousewheel.acceleration.start");
prefSvc.clearUserPref("mousewheel.system_scroll_override_on_root_content.enabled");
prefSvc.clearUserPref("general.smoothScroll");
}
window.onload = function () {
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
let win = window.open('data:application/vnd.mozilla.xul+xml,<?xml version="1.0"?><?xml-stylesheet href="chrome://global/skin" type="text/css"?><window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"><vbox style="height: 150px; background: cyan; overflow: auto;" id="scrollbox"><hbox style="height: 8000px;"><vbox style="width: 8000px;"/></hbox></vbox></window>', '_blank', 'chrome,width=400,height=200');
win.onload = function() {
setTimeout(function() {
initPrefs();
testEventDispatching(win);
testDefaultHandling(win, function() {
clearPrefs();
win.close();
SimpleTest.finish();
});
}, 20);
}
}
SimpleTest.waitForExplicitFinish();
]]></script>
</window>

3286
content/events/test/test_continuous_wheel_events.html Normal file
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658
content/events/test/test_dom_wheel_event.html
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@ -1,12 +1,43 @@
<!DOCTYPE HTML>
<html>
<html style="font-size: 32px;">
<head>
<title>Test for D3E WheelEvent</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<p id="display"></p>
<div id="scrollable" style="font-size: 16px; line-height: 1; overflow: auto; width: 200px; height: 200px;">
<div id="scrolled" style="font-size: 64px; 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>
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>
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>
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>
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>
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 id="content" style="display: none">
</div>
@ -16,6 +47,49 @@
SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(runTests, window);
var gScrollableElement = document.getElementById("scrollable");
var gScrolledElement = document.getElementById("scrolled");
var gLineHeight = 0;
var gPageHeight = 0;
var gPageWidth = 0;
function prepareScrollUnits()
{
var result = -1;
function handler(aEvent)
{
result = aEvent.detail;
aEvent.preventDefault();
}
window.addEventListener("MozMousePixelScroll", handler, true);
synthesizeWheel(gScrollableElement, 10, 10,
{ deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaY: 1.0, lineOrPageDeltaY: 1 });
gLineHeight = result;
ok(gLineHeight > 10 && gLineHeight < 25, "prepareScrollUnits: gLineHeight may be illegal value, got " + gLineHeight);
result = -1;
synthesizeWheel(gScrollableElement, 10, 10,
{ deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaY: 1.0, lineOrPageDeltaY: 1 });
gPageHeight = result;
// XXX Cannot we know the actual scroll port size?
ok(gPageHeight >= 150 && gPageHeight <= 200,
"prepareScrollUnits: gPageHeight is strange value, got " + gPageHeight);
result = -1;
synthesizeWheel(gScrollableElement, 10, 10,
{ deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 1.0, lineOrPageDeltaX: 1 });
gPageWidth = result;
ok(gPageWidth >= 150 && gPageWidth <= 200,
"prepareScrollUnits: gPageWidth is strange value, got " + gPageWidth);
window.removeEventListener("MozMousePixelScroll", handler, true);
}
function testMakingUntrustedEvent()
{
const kCreateEventArgs = [
@ -39,9 +113,591 @@ function testMakingUntrustedEvent()
"WheelEvent must not have initWheelEvent()");
}
// delta_multiplier prefs should cause changing delta values of trusted events only.
// And also legacy events' detail value should be changed too.
function testDeltaMultiplierPrefs()
{
const kModifierAlt = 0x01;
const kModifierControl = 0x02;
const kModifierMeta = 0x04;
const kModifierShift = 0x08;
const kModifierWin = 0x10;
const kTests = [
{ name: "default",
expected: [ 0, kModifierShift | kModifierAlt, kModifierShift | kModifierControl,
kModifierShift | kModifierMeta, kModifierShift | kModifierWin,
kModifierControl | kModifierAlt, kModifierMeta | kModifierAlt ],
unexpected: [ kModifierAlt, kModifierControl, kModifierMeta, kModifierShift, kModifierWin ] },
{ name: "with_alt",
expected: [ kModifierAlt ],
unexpected: [0, kModifierControl, kModifierMeta, kModifierShift, kModifierWin,
kModifierShift | kModifierAlt, kModifierControl | kModifierAlt,
kModifierMeta | kModifierAlt ] },
{ name: "with_control",
expected: [ kModifierControl ],
unexpected: [0, kModifierAlt, kModifierMeta, kModifierShift, kModifierWin,
kModifierShift | kModifierControl, kModifierControl | kModifierAlt,
kModifierMeta | kModifierControl ] },
{ name: "with_meta",
expected: [ kModifierMeta ],
unexpected: [0, kModifierAlt, kModifierControl, kModifierShift, kModifierWin,
kModifierShift | kModifierMeta, kModifierControl | kModifierMeta,
kModifierMeta | kModifierAlt ] },
{ name: "with_shift",
expected: [ kModifierShift ],
unexpected: [0, kModifierAlt, kModifierControl, kModifierMeta, kModifierWin,
kModifierShift | kModifierAlt, kModifierControl | kModifierShift,
kModifierMeta | kModifierShift ] },
{ name: "with_win",
expected: [ kModifierWin ],
unexpected: [0, kModifierAlt, kModifierControl, kModifierMeta, kModifierShift,
kModifierShift | kModifierWin ] },
];
// Note that this test doesn't support complicated lineOrPageDelta values which are computed with
// accumulated delta values by the prefs. If you need to test the lineOrPageDelta accumulation,
// use test_continuous_dom_wheel_event.html.
const kEvents = [
{ deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: gLineHeight, deltaY: gLineHeight, deltaZ: gLineHeight, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 },
{ deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 1.0, deltaZ: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 },
{ deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 1.0, deltaY: 1.0, deltaZ: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 },
{ deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -gLineHeight, deltaY: -gLineHeight, deltaZ: -gLineHeight, lineOrPageDeltaX: -1, lineOrPageDeltaY: -1 },
{ deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -1.0, deltaY: -1.0, deltaZ: -1.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: -1 },
{ deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -1.0, deltaY: -1.0, deltaZ: -1.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: -1 },
];
const kDeltaMultiplierPrefs = [
"delta_multiplier_x", "delta_multiplier_y", "delta_multiplier_z"
];
const kPrefValues = [
200, 50, 0, -50, -150
];
var currentTest, currentModifiers, currentEvent, currentPref, currentMultiplier, testingExpected;
var description;
var calledHandlers = { wheel: false,
DOMMouseScroll: { horizontal: false, vertical: false },
MozMousePixelScroll: { horizontal: false, vertical: false } };
function wheelEventHandler(aEvent) {
calledHandlers.wheel = true;
var expectedDeltaX = currentEvent.deltaX;
var expectedDeltaY = currentEvent.deltaY;
var expectedDeltaZ = currentEvent.deltaZ;
if (testingExpected) {
switch (currentPref.charAt(currentPref.length - 1)) {
case "x":
expectedDeltaX *= currentMultiplier;
break;
case "y":
expectedDeltaY *= currentMultiplier;
break;
case "z":
expectedDeltaZ *= currentMultiplier;
break;
}
}
is(aEvent.deltaX, expectedDeltaX, description + "deltaX (" + currentEvent.deltaX + ") was invaild");
is(aEvent.deltaY, expectedDeltaY, description + "deltaY (" + currentEvent.deltaY + ") was invaild");
is(aEvent.deltaZ, expectedDeltaZ, description + "deltaZ (" + currentEvent.deltaZ + ") was invaild");
}
function legacyEventHandler(aEvent) {
var isHorizontal = (aEvent.axis == MouseScrollEvent.HORIZONTAL_AXIS);
var isScrollEvent = (aEvent.type == "DOMMouseScroll");
if (isScrollEvent) {
if (isHorizontal) {
calledHandlers.DOMMouseScroll.horizontal = true;
} else {
calledHandlers.DOMMouseScroll.vertical = true;
}
} else {
if (isHorizontal) {
calledHandlers.MozMousePixelScroll.horizontal = true;
} else {
calledHandlers.MozMousePixelScroll.vertical = true;
}
}
var eventName = (isHorizontal ? "Horizontal " : "Vertical ") + aEvent.type + " ";
var expectedDetail;
if (isScrollEvent) {
expectedDetail = isHorizontal ? currentEvent.lineOrPageDeltaX : currentEvent.lineOrPageDeltaY;
if (currentEvent.deltaMode == WheelEvent.DOM_DELTA_PAGE && expectedDetail) {
expectedDetail = ((expectedDetail > 0) ? UIEvent.SCROLL_PAGE_DOWN : UIEvent.SCROLL_PAGE_UP);
}
} else {
expectedDetail = isHorizontal ? currentEvent.deltaX : currentEvent.deltaY;
if (expectedDetail) {
if (currentEvent.deltaMode == WheelEvent.DOM_DELTA_LINE) {
expectedDetail *= gLineHeight;
} else if (currentEvent.deltaMode == WheelEvent.DOM_DELTA_PAGE) {
if (expectedDetail > 0) {
expectedDetail = (isHorizontal ? gPageWidth : gPageHeight);
} else {
expectedDetail = (isHorizontal ? -gPageWidth : -gPageHeight);
}
}
}
}
if (testingExpected) {
if ((isHorizontal && currentPref.charAt(currentPref.length - 1) == "x") ||
(!isHorizontal && currentPref.charAt(currentPref.length - 1) == "y")) {
// If it's a page scroll event, the detail value is UIEvent.SCROLL_PAGE_DOWN or
// UIEvent.SCROLL_PAGE_UP. If the delta value sign is reverted, we need to
// revert the expected detail value too. Otherwise, don't touch it.
if (isScrollEvent && currentEvent.deltaMode == WheelEvent.DOM_DELTA_PAGE) {
if (currentMultiplier < 0) {
expectedDetail = ((expectedDetail == UIEvent.SCROLL_PAGE_UP) ? UIEvent.SCROLL_PAGE_DOWN : UIEvent.SCROLL_PAGE_UP);
}
} else {
expectedDetail *= currentMultiplier;
expectedDetail = expectedDetail < 0 ? Math.ceil(expectedDetail) : Math.floor(expectedDetail);
}
}
}
is(aEvent.detail, expectedDetail, description + eventName + "detail was invalid");
aEvent.preventDefault();
}
window.addEventListener("wheel", wheelEventHandler, true);
window.addEventListener("DOMMouseScroll", legacyEventHandler, true);
window.addEventListener("MozMousePixelScroll", legacyEventHandler, true);
function dispatchEvent(aIsExpected) {
for (var i = 0; i < kEvents.length; i++) {
currentEvent = kEvents[i];
currentEvent.shiftKey = (currentModifiers & kModifierShift) != 0;
currentEvent.ctrlKey = (currentModifiers & kModifierControl) != 0;
currentEvent.altKey = (currentModifiers & kModifierAlt) != 0;
currentEvent.metaKey = (currentModifiers & kModifierMeta) != 0;
currentEvent.osKey = (currentModifiers & kModifierWin) != 0;
var modifierList = "";
if (currentEvent.shiftKey) {
modifierList += "Shift ";
}
if (currentEvent.ctrlKey) {
modifierList += "Control ";
}
if (currentEvent.altKey) {
modifierList += "Alt ";
}
if (currentEvent.metaKey) {
modifierList += "Meta ";
}
if (currentEvent.osKey) {
modifierList += "Win ";
}
for (var j = 0; j < kPrefValues.length; j++) {
currentMultiplier = kPrefValues[j] / 100;
if (currentMultiplier > -1.0 && currentMultiplier < 1.0) {
currentMultiplier = currentMultiplier < 0 ? -1.0 : 1.0;
}
for (var k = 0; k < kDeltaMultiplierPrefs.length; k++) {
currentPref = "mousewheel." + currentTest.name + "." + kDeltaMultiplierPrefs[k];
SpecialPowers.setIntPref(currentPref, kPrefValues[j]);
gScrollableElement.scrollTop = gScrollableElement.scrollBottom = 1000;
// trusted event's delta valuses should be reverted by the pref.
testingExpected = aIsExpected;
description = "testDeltaMultiplierPrefs, pref: " + currentPref + "=" + kPrefValues[j] +
", deltaMode: " + currentEvent.deltaMode + ", modifiers: \"" + modifierList + "\", (trusted event): ";
synthesizeWheel(gScrollableElement, 10, 10, currentEvent);
ok(calledHandlers.wheel, description + "wheel event was not fired");
ok(calledHandlers.DOMMouseScroll.horizontal,
description + "Horizontal DOMMouseScroll event was not fired");
ok(calledHandlers.DOMMouseScroll.vertical,
description + "Vertical DOMMouseScroll event was not fired");
ok(calledHandlers.MozMousePixelScroll.horizontal,
description + "Horizontal MozMousePixelScroll event was not fired");
ok(calledHandlers.MozMousePixelScroll.vertical,
description + "Vertical MozMousePixelScroll event was not fired");
calledHandlers = { wheel: false,
DOMMouseScroll: { horizontal: false, vertical: false },
MozMousePixelScroll: { horizontal: false, vertical: false } };
// untrusted event's delta values shouldn't be reverted by the pref.
testingExpected = false;
var props = {
bubbles: true,
cancelable: true,
shiftKey: currentEvent.shiftKey,
ctrlKey: currentEvent.ctrlKey,
altKey: currentEvent.altKey,
metaKey: currentEvent.metaKey,
deltaX: currentEvent.deltaX,
deltaY: currentEvent.deltaY,
deltaZ: currentEvent.deltaZ,
deltaMode: currentEvent.deltaMode,
};
var untrustedEvent = new WheelEvent("wheel", props);
description = "testDeltaMultiplierPrefs, pref: " + currentPref + "=" + kPrefValues[j] +
", deltaMode: " + currentEvent.deltaMode + ", modifiers: \"" + modifierList + "\", (untrusted event): ";
gScrollableElement.dispatchEvent(untrustedEvent);
ok(calledHandlers.wheel, description + "wheel event was not fired for untrusted event");
ok(!calledHandlers.DOMMouseScroll.horizontal,
description + "Horizontal DOMMouseScroll event was fired for untrusted event");
ok(!calledHandlers.DOMMouseScroll.vertical,
description + "Vertical DOMMouseScroll event was fired for untrusted event");
ok(!calledHandlers.MozMousePixelScroll.horizontal,
description + "Horizontal MozMousePixelScroll event was fired for untrusted event");
ok(!calledHandlers.MozMousePixelScroll.vertical,
description + "Vertical MozMousePixelScroll event was fired for untrusted event");
SpecialPowers.setIntPref(currentPref, 100);
calledHandlers = { wheel: false,
DOMMouseScroll: { horizontal: false, vertical: false },
MozMousePixelScroll: { horizontal: false, vertical: false } };
}
// We should skip other value tests if testing with modifier key.
// If we didn't do so, it would test too many times, but we don't need to do so.
if (kTests.name != "default") {
break;
}
}
}
}
for (var i = 0; i < kTests.length; i++) {
currentTest = kTests[i];
for (var j = 0; j < currentTest.expected.length; j++) {
currentModifiers = currentTest.expected[j];
dispatchEvent(true);
}
for (var k = 0; k < currentTest.unexpected.length; k++) {
currentModifiers = currentTest.unexpected[k];
dispatchEvent(false);
}
}
window.removeEventListener("wheel", wheelEventHandler, true);
window.removeEventListener("DOMMouseScroll", legacyEventHandler, true);
window.removeEventListener("MozMousePixelScroll", legacyEventHandler, true);
}
// Untrusted wheel events shouldn't cause legacy mouse scroll events.
function testDispatchingUntrustEvent()
{
var descriptionBase = "testDispatchingUntrustEvent, ";
var description, wheelEventFired;
function wheelEventHandler(aEvent)
{
wheelEventFired = true;
}
function legacyEventHandler(aEvent)
{
ok(false, aEvent.type + " must not be fired");
}
window.addEventListener("wheel", wheelEventHandler, true);
window.addEventListener("DOMMouseScroll", legacyEventHandler, true);
window.addEventListener("MozMousePixelScroll", legacyEventHandler, true);
description = descriptionBase + "dispatching a pixel wheel event: ";
wheelEventFired = false;
var untrustedPixelEvent = new WheelEvent("wheel", {
bubbles: true, cancelable: true,
deltaX: 24.0, deltaY: 24.0,
deltaMode: WheelEvent.DOM_DELTA_PIXEL,
});
gScrolledElement.dispatchEvent(untrustedPixelEvent);
ok(wheelEventFired, description + "wheel event wasn't fired");
description = descriptionBase + "dispatching a line wheel event: ";
wheelEventFired = false;
var untrustedLineEvent = new WheelEvent("wheel", {
bubbles: true, cancelable: true,
deltaX: 3.0, deltaY: 3.0,
deltaMode: WheelEvent.DOM_DELTA_LINE,
});
gScrolledElement.dispatchEvent(untrustedLineEvent);
ok(wheelEventFired, description + "wheel event wasn't fired");
description = descriptionBase + "dispatching a page wheel event: ";
wheelEventFired = false;
var untrustedPageEvent = new WheelEvent("wheel", {
bubbles: true, cancelable: true,
deltaX: 1.0, deltaY: 1.0,
deltaMode: WheelEvent.DOM_DELTA_PAGE,
});
gScrolledElement.dispatchEvent(untrustedPageEvent);
ok(wheelEventFired, description + "wheel event wasn't fired");
window.removeEventListener("wheel", wheelEventHandler, true);
window.removeEventListener("DOMMouseScroll", legacyEventHandler, true);
window.removeEventListener("MozMousePixelScroll", legacyEventHandler, true);
}
function testEventOrder()
{
const kWheelEvent = 0x0001;
const kDOMMouseScrollEvent = 0x0002;
const kMozMousePixelScrollEvent = 0x0004;
const kVerticalScrollEvent = 0x0010;
const kHorizontalScrollEvent = 0x0020;
const kInSystemGroup = 0x0100;
const kDefaultPrevented = 0x1000;
var currentTest;
const kTests = [
{
description: "Testing the order of the events without preventDefault()",
expectedEvents: [ kWheelEvent,
kDOMMouseScrollEvent | kVerticalScrollEvent,
kDOMMouseScrollEvent | kVerticalScrollEvent | kInSystemGroup,
kMozMousePixelScrollEvent | kVerticalScrollEvent,
kMozMousePixelScrollEvent | kVerticalScrollEvent | kInSystemGroup,
kDOMMouseScrollEvent | kHorizontalScrollEvent,
kDOMMouseScrollEvent | kHorizontalScrollEvent | kInSystemGroup,
kMozMousePixelScrollEvent | kHorizontalScrollEvent,
kMozMousePixelScrollEvent | kHorizontalScrollEvent | kInSystemGroup,
kWheelEvent | kInSystemGroup],
resultEvents: [],
doPreventDefaultAt: 0,
},
{
description: "Testing the order of the events, calling preventDefault() at default group wheel event",
expectedEvents: [ kWheelEvent,
kWheelEvent | kInSystemGroup | kDefaultPrevented],
resultEvents: [],
doPreventDefaultAt: kWheelEvent,
},
{
description: "Testing the order of the events, calling preventDefault() at default group DOMMouseScroll event",
expectedEvents: [ kWheelEvent,
kDOMMouseScrollEvent | kVerticalScrollEvent,
kDOMMouseScrollEvent | kVerticalScrollEvent | kInSystemGroup | kDefaultPrevented,
kMozMousePixelScrollEvent | kVerticalScrollEvent | kDefaultPrevented,
kMozMousePixelScrollEvent | kVerticalScrollEvent | kInSystemGroup | kDefaultPrevented,
kDOMMouseScrollEvent | kHorizontalScrollEvent,
kDOMMouseScrollEvent | kHorizontalScrollEvent | kInSystemGroup,
kMozMousePixelScrollEvent | kHorizontalScrollEvent,
kMozMousePixelScrollEvent | kHorizontalScrollEvent | kInSystemGroup,
kWheelEvent | kInSystemGroup | kDefaultPrevented],
resultEvents: [],
doPreventDefaultAt: kDOMMouseScrollEvent | kVerticalScrollEvent,
},
{
description: "Testing the order of the events, calling preventDefault() at default group MozMousePixelScroll event",
expectedEvents: [ kWheelEvent,
kDOMMouseScrollEvent | kVerticalScrollEvent,
kDOMMouseScrollEvent | kVerticalScrollEvent | kInSystemGroup,
kMozMousePixelScrollEvent | kVerticalScrollEvent,
kMozMousePixelScrollEvent | kVerticalScrollEvent | kInSystemGroup | kDefaultPrevented,
kDOMMouseScrollEvent | kHorizontalScrollEvent,
kDOMMouseScrollEvent | kHorizontalScrollEvent | kInSystemGroup,
kMozMousePixelScrollEvent | kHorizontalScrollEvent,
kMozMousePixelScrollEvent | kHorizontalScrollEvent | kInSystemGroup,
kWheelEvent | kInSystemGroup | kDefaultPrevented],
resultEvents: [],
doPreventDefaultAt: kMozMousePixelScrollEvent | kVerticalScrollEvent,
},
{
description: "Testing the order of the events, calling preventDefault() at system group DOMMouseScroll event",
expectedEvents: [ kWheelEvent,
kDOMMouseScrollEvent | kVerticalScrollEvent,
kDOMMouseScrollEvent | kVerticalScrollEvent | kInSystemGroup,
kMozMousePixelScrollEvent | kVerticalScrollEvent | kDefaultPrevented,
kMozMousePixelScrollEvent | kVerticalScrollEvent | kInSystemGroup | kDefaultPrevented,
kDOMMouseScrollEvent | kHorizontalScrollEvent,
kDOMMouseScrollEvent | kHorizontalScrollEvent | kInSystemGroup,
kMozMousePixelScrollEvent | kHorizontalScrollEvent,
kMozMousePixelScrollEvent | kHorizontalScrollEvent | kInSystemGroup,
kWheelEvent | kInSystemGroup | kDefaultPrevented],
resultEvents: [],
doPreventDefaultAt: kDOMMouseScrollEvent | kVerticalScrollEvent | kInSystemGroup,
},
{
description: "Testing the order of the events, calling preventDefault() at system group MozMousePixelScroll event",
expectedEvents: [ kWheelEvent,
kDOMMouseScrollEvent | kVerticalScrollEvent,
kDOMMouseScrollEvent | kVerticalScrollEvent | kInSystemGroup,
kMozMousePixelScrollEvent | kVerticalScrollEvent,
kMozMousePixelScrollEvent | kVerticalScrollEvent | kInSystemGroup,
kDOMMouseScrollEvent | kHorizontalScrollEvent,
kDOMMouseScrollEvent | kHorizontalScrollEvent | kInSystemGroup,
kMozMousePixelScrollEvent | kHorizontalScrollEvent,
kMozMousePixelScrollEvent | kHorizontalScrollEvent | kInSystemGroup,
kWheelEvent | kInSystemGroup | kDefaultPrevented],
resultEvents: [],
doPreventDefaultAt: kMozMousePixelScrollEvent | kVerticalScrollEvent | kInSystemGroup,
},
];
function getEventDescription(aEvent)
{
var result = "";
if (aEvent & kWheelEvent) {
result = "wheel"
} else {
if (aEvent & kDOMMouseScrollEvent) {
result = "DOMMouseScroll";
} else if (aEvent & kMozMousePixelScrollEvent) {
result = "MozMousePixelScroll";
}
if (aEvent & kVerticalScrollEvent) {
result += ", vertical";
} else {
result += ", horizontal";
}
}
if (aEvent & kInSystemGroup) {
result += ", system group";
}
if (aEvent & kDefaultPrevented) {
result += ", defaultPrevented";
}
return result;
}
function pushEvent(aEvent, aIsSystemGroup)
{
var event = 0;
if (aEvent.type == "wheel") {
event = kWheelEvent;
} else {
if (aEvent.type == "DOMMouseScroll") {
event = kDOMMouseScrollEvent;
} else if (aEvent.type == "MozMousePixelScroll") {
event = kMozMousePixelScrollEvent;
}
if (aEvent.axis == MouseScrollEvent.HORIZONTAL_AXIS) {
event |= kHorizontalScrollEvent;
} else {
event |= kVerticalScrollEvent;
}
}
if (aIsSystemGroup) {
event |= kInSystemGroup;
}
if (aEvent.defaultPrevented) {
event |= kDefaultPrevented;
}
currentTest.resultEvents.push(event);
return event;
}
function handler(aEvent)
{
if (pushEvent(aEvent, false) == currentTest.doPreventDefaultAt) {
aEvent.preventDefault();
}
}
function systemHandler(aEvent)
{
if (pushEvent(aEvent, true) == currentTest.doPreventDefaultAt) {
aEvent.preventDefault();
}
}
window.addEventListener("wheel", handler, true);
window.addEventListener("DOMMouseScroll", handler, true);
window.addEventListener("MozMousePixelScroll", handler, true);
SpecialPowers.addSystemEventListener(window, "wheel", systemHandler, true);
SpecialPowers.addSystemEventListener(window, "DOMMouseScroll", systemHandler, true);
SpecialPowers.addSystemEventListener(window, "MozMousePixelScroll", systemHandler, true);
for (var i = 0; i < kTests.length; i++) {
currentTest = kTests[i];
synthesizeWheel(gScrollableElement, 10, 10,
{ deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 1.0 });
for (var j = 0; j < currentTest.expectedEvents.length; j++) {
if (currentTest.resultEvents.length == j) {
ok(false, currentTest.description + ": " +
getEventDescription(currentTest.expectedEvents[j]) + " wasn't fired");
break;
}
is(getEventDescription(currentTest.resultEvents[j]),
getEventDescription(currentTest.expectedEvents[j]),
currentTest.description + ": " + (j + 1) + "th event is mismatched");
}
if (currentTest.expectedEvents.length < currentTest.resultEvents.length) {
ok(false, currentTest.description + ": " +
getEventDescription(currentTest.resultEvents[currentTest.expectedEvents.length]) +
" was fired unexpectedly");
}
}
window.removeEventListener("wheel", handler, true);
window.removeEventListener("DOMMouseScroll", handler, true);
window.removeEventListener("MozMousePixelScroll", handler, true);
SpecialPowers.removeSystemEventListener(window, "wheel", systemHandler, true);
SpecialPowers.removeSystemEventListener(window, "DOMMouseScroll", systemHandler, true);
SpecialPowers.removeSystemEventListener(window, "MozMousePixelScroll", systemHandler, true);
}
function runTests()
{
SpecialPowers.setIntPref("mousewheel.default.delta_multiplier_x", 100);
SpecialPowers.setIntPref("mousewheel.default.delta_multiplier_y", 100);
SpecialPowers.setIntPref("mousewheel.default.delta_multiplier_z", 100);
SpecialPowers.setIntPref("mousewheel.with_alt.delta_multiplier_x", 100);
SpecialPowers.setIntPref("mousewheel.with_alt.delta_multiplier_y", 100);
SpecialPowers.setIntPref("mousewheel.with_alt.delta_multiplier_z", 100);
SpecialPowers.setIntPref("mousewheel.with_control.delta_multiplier_x", 100);
SpecialPowers.setIntPref("mousewheel.with_control.delta_multiplier_y", 100);
SpecialPowers.setIntPref("mousewheel.with_control.delta_multiplier_z", 100);
SpecialPowers.setIntPref("mousewheel.with_meta.delta_multiplier_x", 100);
SpecialPowers.setIntPref("mousewheel.with_meta.delta_multiplier_y", 100);
SpecialPowers.setIntPref("mousewheel.with_meta.delta_multiplier_z", 100);
SpecialPowers.setIntPref("mousewheel.with_shift.delta_multiplier_x", 100);
SpecialPowers.setIntPref("mousewheel.with_shift.delta_multiplier_y", 100);
SpecialPowers.setIntPref("mousewheel.with_shift.delta_multiplier_z", 100);
SpecialPowers.setIntPref("mousewheel.with_win.delta_multiplier_x", 100);
SpecialPowers.setIntPref("mousewheel.with_win.delta_multiplier_y", 100);
SpecialPowers.setIntPref("mousewheel.with_win.delta_multiplier_z", 100);
prepareScrollUnits();
testMakingUntrustedEvent();
testDeltaMultiplierPrefs();
testDispatchingUntrustEvent();
testEventOrder();
SpecialPowers.clearUserPref("mousewheel.default.delta_multiplier_x");
SpecialPowers.clearUserPref("mousewheel.default.delta_multiplier_y");
SpecialPowers.clearUserPref("mousewheel.default.delta_multiplier_z");
SpecialPowers.clearUserPref("mousewheel.with_alt.delta_multiplier_x");
SpecialPowers.clearUserPref("mousewheel.with_alt.delta_multiplier_y");
SpecialPowers.clearUserPref("mousewheel.with_alt.delta_multiplier_z");
SpecialPowers.clearUserPref("mousewheel.with_control.delta_multiplier_x");
SpecialPowers.clearUserPref("mousewheel.with_control.delta_multiplier_y");
SpecialPowers.clearUserPref("mousewheel.with_control.delta_multiplier_z");
SpecialPowers.clearUserPref("mousewheel.with_meta.delta_multiplier_x");
SpecialPowers.clearUserPref("mousewheel.with_meta.delta_multiplier_y");
SpecialPowers.clearUserPref("mousewheel.with_meta.delta_multiplier_z");
SpecialPowers.clearUserPref("mousewheel.with_shift.delta_multiplier_x");
SpecialPowers.clearUserPref("mousewheel.with_shift.delta_multiplier_y");
SpecialPowers.clearUserPref("mousewheel.with_shift.delta_multiplier_z");
SpecialPowers.clearUserPref("mousewheel.with_win.delta_multiplier_x");
SpecialPowers.clearUserPref("mousewheel.with_win.delta_multiplier_y");
SpecialPowers.clearUserPref("mousewheel.with_win.delta_multiplier_z");
SimpleTest.finish();
}

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<!DOCTYPE HTML>
<html>
<head>
<title>Test for default action of WheelEvent</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script type="application/javascript">
SimpleTest.waitForExplicitFinish();
var subWin = window.open("window_wheel_default_action.html", "_blank",
"width=500,height=500,scrollbars=yes");
function finish()
{
subWin.close();
SimpleTest.finish();
}
</script>
</pre>
</body>
</html>

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