function test()
{
const kPrefName_AutoScroll = "general.autoScroll";
Services.prefs.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},
{elem: 'g', expected: expectScrollBoth},
{elem: 'h', expected: expectScrollNone}
];
var doc;
function nextTest() {
var test = allTests.shift();
if (!test) {
endTest();
return;
}
var elem = doc.getElementById(test.elem);
// skip a few frames before checking the tests
var skipFrames = 3;
var checkScroll = function () {
if (skipFrames--) {
window.mozRequestAnimationFrame();
return;
}
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');
window.removeEventListener("MozAfterPaint", checkScroll, false);
nextTest();
};
EventUtils.synthesizeMouse(elem, 50, 50, { button: 1 },
gBrowser.contentWindow);
var iframe = gBrowser.contentDocument.getElementById("iframe");
var e = iframe.contentDocument.createEvent("pagetransition");
e.initPageTransitionEvent("pagehide", true, true, false);
iframe.contentDocument.dispatchEvent(e);
iframe.contentDocument.documentElement.dispatchEvent(e);
EventUtils.synthesizeMouse(elem, 100, 100,
{ type: "mousemove", clickCount: "0" },
gBrowser.contentWindow);
window.addEventListener("MozAfterPaint", checkScroll, false);
/*
* if scrolling didn’t work, we wouldn’t do any redraws and thus time out.
* so request and force redraws to get the chance to check for scrolling at
* all.
*/
window.mozRequestAnimationFrame();
}
waitForExplicitFinish();
var dataUri = 'data:text/html,\
\
\
\
\
\
\
\
\
\
\
';
gBrowser.selectedBrowser.addEventListener("pageshow", onLoad, false);
gBrowser.loadURI(dataUri);
function onLoad() {
gBrowser.selectedBrowser.removeEventListener("pageshow", onLoad, false);
waitForFocus(onFocus, content);
}
function onFocus() {
doc = gBrowser.contentDocument;
// force redraws, so we actually get AfterPaint events
window.addEventListener("MozBeforePaint", function(ev) {
doc.getElementById("forceredraw").style.left = ev.timeStamp % 100;
}, false);
nextTest();
}
function endTest() {
// restore the changed prefs
if (Services.prefs.prefHasUserValue(kPrefName_AutoScroll))
Services.prefs.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);
}
}