gecko-dev/browser/components/preferences/in-content/tests/browser_bug1018066_resetScrollPosition.js

27 lines
1.1 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
Services.prefs.setBoolPref("browser.preferences.inContent", true);
let originalWindowHeight;
registerCleanupFunction(function() {
Services.prefs.clearUserPref("browser.preferences.inContent");
window.resizeTo(window.outerWidth, originalWindowHeight);
while (gBrowser.tabs[1])
gBrowser.removeTab(gBrowser.tabs[1]);
});
add_task(function() {
originalWindowHeight = window.outerHeight;
window.resizeTo(window.outerWidth, 300);
let prefs = yield openPreferencesViaOpenPreferencesAPI("paneApplications", undefined, {leaveOpen: true});
is(prefs.selectedPane, "paneApplications", "Applications pane was selected");
let mainContent = gBrowser.contentDocument.querySelector(".main-content");
mainContent.scrollTop = 50;
is(mainContent.scrollTop, 50, "main-content should be scrolled 50 pixels");
gBrowser.contentWindow.gotoPref("paneGeneral");
is(mainContent.scrollTop, 0,
"Switching to a different category should reset the scroll position");
});