function test()
{
const kPrefName_AutoScroll = "general.autoScroll";
var prefSvc = Components.classes["@mozilla.org/preferences-service;1"]
.getService(Components.interfaces.nsIPrefBranch2);
prefSvc.setBoolPref(kPrefName_AutoScroll, true);
const expectScrollNone = 0;
const expectScrollVert = 1;
const expectScrollHori = 2;
const expectScrollBoth = 3;
var allTests = [
{elem: 'a', expected: expectScrollNone},
{elem: 'b', expected: expectScrollBoth},
{elem: 'c', expected: expectScrollHori},
{elem: 'd', expected: expectScrollVert},
{elem: 'e', expected: expectScrollVert},
{elem: 'f', expected: expectScrollNone}
];
var doc;
function nextTest() {
var test = allTests.shift();
if (!test) {
endTest();
return;
}
var elem = doc.getElementById(test.elem);
EventUtils.synthesizeMouse(elem, 10, 10, { button: 1 },
gBrowser.contentWindow);
EventUtils.synthesizeMouse(elem, 80, 80,
{ type: "mousemove", clickCount: "0" },
gBrowser.contentWindow);
// the autoscroll implementation uses a 20ms interval
// wait for 40ms to make sure it did autoscroll at least once
setTimeout(function () {
EventUtils.synthesizeKey("VK_ESCAPE", {}, gBrowser.contentWindow);
var scrollVert = test.expected & expectScrollVert;
ok((scrollVert && elem.scrollTop > 0) ||
(!scrollVert && elem.scrollTop == 0),
test.elem+' should'+(scrollVert ? '' : ' not')+' have scrolled vertically');
var scrollHori = test.expected & expectScrollHori;
ok((scrollHori && elem.scrollLeft > 0) ||
(!scrollHori && elem.scrollLeft == 0),
test.elem+' should'+(scrollHori ? '' : ' not')+' have scrolled horizontally');
nextTest();
}, 40);
}
waitForExplicitFinish();
gBrowser.addEventListener("load", onLoad, false);
var dataUri = 'data:text/html,\
\
\
\
\
\
\
';
gBrowser.loadURI(dataUri);
function onLoad() {
gBrowser.removeEventListener("load", onLoad, false);
waitForFocus(onFocus, content);
}
function onFocus() {
doc = gBrowser.contentDocument;
nextTest();
}
function endTest() {
// restore the changed prefs
if (prefSvc.prefHasUserValue(kPrefName_AutoScroll))
prefSvc.clearUserPref(kPrefName_AutoScroll);
// cleaning-up
gBrowser.addTab("about:blank");
gBrowser.removeCurrentTab();
// waitForFocus() fixes a failure in the next test if the latter runs too soon.
waitForFocus(finish);
}
}