michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: function test() {
michael@0:   /** Test for Bug 447951 **/
michael@0: 
michael@0:   waitForExplicitFinish();
michael@0:   const baseURL = "http://mochi.test:8888/browser/" +
michael@0:     "browser/components/sessionstore/test/browser_447951_sample.html#";
michael@0: 
michael@0:   // Make sure the functionality added in bug 943339 doesn't affect the results
michael@0:   gPrefService.setIntPref("browser.sessionstore.max_serialize_back", -1);
michael@0:   gPrefService.setIntPref("browser.sessionstore.max_serialize_forward", -1);
michael@0:   registerCleanupFunction(function () {
michael@0:     gPrefService.clearUserPref("browser.sessionstore.max_serialize_back");
michael@0:     gPrefService.clearUserPref("browser.sessionstore.max_serialize_forward");
michael@0:   });
michael@0: 
michael@0:   let tab = gBrowser.addTab();
michael@0:   whenBrowserLoaded(tab.linkedBrowser, function() {
michael@0:     let tabState = { entries: [] };
michael@0:     let max_entries = gPrefService.getIntPref("browser.sessionhistory.max_entries");
michael@0:     for (let i = 0; i < max_entries; i++)
michael@0:       tabState.entries.push({ url: baseURL + i });
michael@0: 
michael@0:     ss.setTabState(tab, JSON.stringify(tabState));
michael@0:     whenTabRestored(tab, function() {
michael@0:       SyncHandlers.get(tab.linkedBrowser).flush();
michael@0:       tabState = JSON.parse(ss.getTabState(tab));
michael@0:       is(tabState.entries.length, max_entries, "session history filled to the limit");
michael@0:       is(tabState.entries[0].url, baseURL + 0, "... but not more");
michael@0: 
michael@0:       // visit yet another anchor (appending it to session history)
michael@0:       tab.linkedBrowser.contentDocument.querySelector("a").click();
michael@0: 
michael@0:       function check() {
michael@0:         SyncHandlers.get(tab.linkedBrowser).flush();
michael@0:         tabState = JSON.parse(ss.getTabState(tab));
michael@0:         if (tabState.entries[tabState.entries.length - 1].url != baseURL + "end") {
michael@0:           // It may take a few passes through the event loop before we
michael@0:           // get the right URL.
michael@0:           executeSoon(check);
michael@0:           return;
michael@0:         }
michael@0: 
michael@0:         is(tab.linkedBrowser.currentURI.spec, baseURL + "end",
michael@0:            "the new anchor was loaded");
michael@0:         is(tabState.entries[tabState.entries.length - 1].url, baseURL + "end",
michael@0:            "... and ignored");
michael@0:         is(tabState.entries[0].url, baseURL + 1,
michael@0:            "... and the first item was removed");
michael@0: 
michael@0:         // clean up
michael@0:         gBrowser.removeTab(tab);
michael@0:         finish();
michael@0:       }
michael@0: 
michael@0:       check();
michael@0:     });
michael@0:   });
michael@0: }