diff -r 000000000000 -r 6474c204b198 toolkit/content/tests/browser/browser_autoscroll_disabled.js
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/content/tests/browser/browser_autoscroll_disabled.js Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,78 @@
+function test()
+{
+ const kPrefName_AutoScroll = "general.autoScroll";
+ Services.prefs.setBoolPref(kPrefName_AutoScroll, false);
+
+ gBrowser.selectedTab = gBrowser.addTab();
+
+ var doc;
+
+ function startLoad(dataUri) {
+ 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;
+ runChecks();
+ }
+
+ function endTest() {
+ // restore the changed prefs
+ if (Services.prefs.prefHasUserValue(kPrefName_AutoScroll))
+ Services.prefs.clearUserPref(kPrefName_AutoScroll);
+
+ // cleaning-up
+ gBrowser.removeCurrentTab();
+
+ // waitForFocus() fixes a failure in the next test if the latter runs too soon.
+ waitForFocus(finish);
+ }
+
+ waitForExplicitFinish();
+
+ let dataUri = 'data:text/html,\
+ \
+';
+ startLoad(dataUri);
+
+ function runChecks() {
+ var elem = doc.getElementById('i');
+ // Skip the first callback as it's the same callback that the browser
+ // uses to kick off the scrolling.
+ var skipFrames = 1;
+ var checkScroll = function () {
+ if (skipFrames--) {
+ window.mozRequestAnimationFrame(checkScroll);
+ return;
+ }
+ ok(elem.scrollTop == 0, "element should not have scrolled vertically");
+ ok(elem.scrollLeft == 0, "element should not have scrolled horizontally");
+
+ endTest();
+ };
+ 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);
+ /*
+ * 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(checkScroll);
+ }
+}