michael@0: function test()
michael@0: {
michael@0: const kPrefName_AutoScroll = "general.autoScroll";
michael@0: Services.prefs.setBoolPref(kPrefName_AutoScroll, false);
michael@0:
michael@0: gBrowser.selectedTab = gBrowser.addTab();
michael@0:
michael@0: var doc;
michael@0:
michael@0: function startLoad(dataUri) {
michael@0: gBrowser.selectedBrowser.addEventListener("pageshow", onLoad, false);
michael@0: gBrowser.loadURI(dataUri);
michael@0: }
michael@0:
michael@0: function onLoad() {
michael@0: gBrowser.selectedBrowser.removeEventListener("pageshow", onLoad, false);
michael@0: waitForFocus(onFocus, content);
michael@0: }
michael@0:
michael@0: function onFocus() {
michael@0: doc = gBrowser.contentDocument;
michael@0: runChecks();
michael@0: }
michael@0:
michael@0: function endTest() {
michael@0: // restore the changed prefs
michael@0: if (Services.prefs.prefHasUserValue(kPrefName_AutoScroll))
michael@0: Services.prefs.clearUserPref(kPrefName_AutoScroll);
michael@0:
michael@0: // cleaning-up
michael@0: gBrowser.removeCurrentTab();
michael@0:
michael@0: // waitForFocus() fixes a failure in the next test if the latter runs too soon.
michael@0: waitForFocus(finish);
michael@0: }
michael@0:
michael@0: waitForExplicitFinish();
michael@0:
michael@0: let dataUri = 'data:text/html,\
michael@0: \
michael@0: ';
michael@0: startLoad(dataUri);
michael@0:
michael@0: function runChecks() {
michael@0: var elem = doc.getElementById('i');
michael@0: // Skip the first callback as it's the same callback that the browser
michael@0: // uses to kick off the scrolling.
michael@0: var skipFrames = 1;
michael@0: var checkScroll = function () {
michael@0: if (skipFrames--) {
michael@0: window.mozRequestAnimationFrame(checkScroll);
michael@0: return;
michael@0: }
michael@0: ok(elem.scrollTop == 0, "element should not have scrolled vertically");
michael@0: ok(elem.scrollLeft == 0, "element should not have scrolled horizontally");
michael@0:
michael@0: endTest();
michael@0: };
michael@0: EventUtils.synthesizeMouse(elem, 50, 50, { button: 1 },
michael@0: gBrowser.contentWindow);
michael@0:
michael@0: var iframe = gBrowser.contentDocument.getElementById("iframe");
michael@0: var e = iframe.contentDocument.createEvent("pagetransition");
michael@0: e.initPageTransitionEvent("pagehide", true, true, false);
michael@0: iframe.contentDocument.dispatchEvent(e);
michael@0: iframe.contentDocument.documentElement.dispatchEvent(e);
michael@0:
michael@0: EventUtils.synthesizeMouse(elem, 100, 100,
michael@0: { type: "mousemove", clickCount: "0" },
michael@0: gBrowser.contentWindow);
michael@0: /*
michael@0: * if scrolling didn’t work, we wouldn’t do any redraws and thus time out.
michael@0: * so request and force redraws to get the chance to check for scrolling at
michael@0: * all.
michael@0: */
michael@0: window.mozRequestAnimationFrame(checkScroll);
michael@0: }
michael@0: }