diff -r 000000000000 -r 6474c204b198 browser/components/sessionstore/test/browser_506482.js --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/browser/components/sessionstore/test/browser_506482.js Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,74 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +function test() { + /** Test for Bug 506482 **/ + + // test setup + waitForExplicitFinish(); + + // read the sessionstore.js mtime (picked from browser_248970_a.js) + let profilePath = Cc["@mozilla.org/file/directory_service;1"]. + getService(Ci.nsIProperties). + get("ProfD", Ci.nsIFile); + function getSessionstoreFile() { + let sessionStoreJS = profilePath.clone(); + sessionStoreJS.append("sessionstore.js"); + return sessionStoreJS; + } + function getSessionstorejsModificationTime() { + let file = getSessionstoreFile(); + if (file.exists()) + return file.lastModifiedTime; + else + return -1; + } + + // delete existing sessionstore.js, to make sure we're not reading + // the mtime of an old one initialy + let (sessionStoreJS = getSessionstoreFile()) { + if (sessionStoreJS.exists()) + sessionStoreJS.remove(false); + } + + // test content URL + const TEST_URL = "data:text/html;charset=utf-8," + + "

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" + + // preferences that we use + const PREF_INTERVAL = "browser.sessionstore.interval"; + + // make sure sessionstore.js is saved ASAP on all events + gPrefService.setIntPref(PREF_INTERVAL, 0); + + // get the initial sessionstore.js mtime (-1 if it doesn't exist yet) + let mtime0 = getSessionstorejsModificationTime(); + + // create and select a first tab + let tab = gBrowser.addTab(TEST_URL); + whenBrowserLoaded(tab.linkedBrowser, function() { + // step1: the above has triggered some saveStateDelayed(), sleep until + // it's done, and get the initial sessionstore.js mtime + setTimeout(function step1(e) { + let mtime1 = getSessionstorejsModificationTime(); + isnot(mtime1, mtime0, "initial sessionstore.js update"); + + // step2: test sessionstore.js is not updated on tab selection + // or content scrolling + gBrowser.selectedTab = tab; + tab.linkedBrowser.contentWindow.scrollTo(1100, 1200); + setTimeout(function step2(e) { + let mtime2 = getSessionstorejsModificationTime(); + is(mtime2, mtime1, + "tab selection and scrolling: sessionstore.js not updated"); + + // ok, done, cleanup and finish + if (gPrefService.prefHasUserValue(PREF_INTERVAL)) + gPrefService.clearUserPref(PREF_INTERVAL); + gBrowser.removeTab(tab); + finish(); + }, 3500); // end of sleep after tab selection and scrolling + }, 3500); // end of sleep after initial saveStateDelayed() + }); +}