1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/content/tests/browser/browser_autoscroll_disabled.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,78 @@
1.4 +function test()
1.5 +{
1.6 + const kPrefName_AutoScroll = "general.autoScroll";
1.7 + Services.prefs.setBoolPref(kPrefName_AutoScroll, false);
1.8 +
1.9 + gBrowser.selectedTab = gBrowser.addTab();
1.10 +
1.11 + var doc;
1.12 +
1.13 + function startLoad(dataUri) {
1.14 + gBrowser.selectedBrowser.addEventListener("pageshow", onLoad, false);
1.15 + gBrowser.loadURI(dataUri);
1.16 + }
1.17 +
1.18 + function onLoad() {
1.19 + gBrowser.selectedBrowser.removeEventListener("pageshow", onLoad, false);
1.20 + waitForFocus(onFocus, content);
1.21 + }
1.22 +
1.23 + function onFocus() {
1.24 + doc = gBrowser.contentDocument;
1.25 + runChecks();
1.26 + }
1.27 +
1.28 + function endTest() {
1.29 + // restore the changed prefs
1.30 + if (Services.prefs.prefHasUserValue(kPrefName_AutoScroll))
1.31 + Services.prefs.clearUserPref(kPrefName_AutoScroll);
1.32 +
1.33 + // cleaning-up
1.34 + gBrowser.removeCurrentTab();
1.35 +
1.36 + // waitForFocus() fixes a failure in the next test if the latter runs too soon.
1.37 + waitForFocus(finish);
1.38 + }
1.39 +
1.40 + waitForExplicitFinish();
1.41 +
1.42 + let dataUri = 'data:text/html,<html><body id="i" style="overflow-y: scroll"><div style="height: 2000px"></div>\
1.43 + <iframe id="iframe" style="display: none;"></iframe>\
1.44 +</body></html>';
1.45 + startLoad(dataUri);
1.46 +
1.47 + function runChecks() {
1.48 + var elem = doc.getElementById('i');
1.49 + // Skip the first callback as it's the same callback that the browser
1.50 + // uses to kick off the scrolling.
1.51 + var skipFrames = 1;
1.52 + var checkScroll = function () {
1.53 + if (skipFrames--) {
1.54 + window.mozRequestAnimationFrame(checkScroll);
1.55 + return;
1.56 + }
1.57 + ok(elem.scrollTop == 0, "element should not have scrolled vertically");
1.58 + ok(elem.scrollLeft == 0, "element should not have scrolled horizontally");
1.59 +
1.60 + endTest();
1.61 + };
1.62 + EventUtils.synthesizeMouse(elem, 50, 50, { button: 1 },
1.63 + gBrowser.contentWindow);
1.64 +
1.65 + var iframe = gBrowser.contentDocument.getElementById("iframe");
1.66 + var e = iframe.contentDocument.createEvent("pagetransition");
1.67 + e.initPageTransitionEvent("pagehide", true, true, false);
1.68 + iframe.contentDocument.dispatchEvent(e);
1.69 + iframe.contentDocument.documentElement.dispatchEvent(e);
1.70 +
1.71 + EventUtils.synthesizeMouse(elem, 100, 100,
1.72 + { type: "mousemove", clickCount: "0" },
1.73 + gBrowser.contentWindow);
1.74 + /*
1.75 + * if scrolling didn’t work, we wouldn’t do any redraws and thus time out.
1.76 + * so request and force redraws to get the chance to check for scrolling at
1.77 + * all.
1.78 + */
1.79 + window.mozRequestAnimationFrame(checkScroll);
1.80 + }
1.81 +}
