browser/components/sessionstore/test/browser_447951.js

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1 /* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
4
5 function test() {
6 /** Test for Bug 447951 **/
7
8 waitForExplicitFinish();
9 const baseURL = "http://mochi.test:8888/browser/" +
10 "browser/components/sessionstore/test/browser_447951_sample.html#";
11
12 // Make sure the functionality added in bug 943339 doesn't affect the results
13 gPrefService.setIntPref("browser.sessionstore.max_serialize_back", -1);
14 gPrefService.setIntPref("browser.sessionstore.max_serialize_forward", -1);
15 registerCleanupFunction(function () {
16 gPrefService.clearUserPref("browser.sessionstore.max_serialize_back");
17 gPrefService.clearUserPref("browser.sessionstore.max_serialize_forward");
18 });
19
20 let tab = gBrowser.addTab();
21 whenBrowserLoaded(tab.linkedBrowser, function() {
22 let tabState = { entries: [] };
23 let max_entries = gPrefService.getIntPref("browser.sessionhistory.max_entries");
24 for (let i = 0; i < max_entries; i++)
25 tabState.entries.push({ url: baseURL + i });
26
27 ss.setTabState(tab, JSON.stringify(tabState));
28 whenTabRestored(tab, function() {
29 SyncHandlers.get(tab.linkedBrowser).flush();
30 tabState = JSON.parse(ss.getTabState(tab));
31 is(tabState.entries.length, max_entries, "session history filled to the limit");
32 is(tabState.entries[0].url, baseURL + 0, "... but not more");
33
34 // visit yet another anchor (appending it to session history)
35 tab.linkedBrowser.contentDocument.querySelector("a").click();
36
37 function check() {
38 SyncHandlers.get(tab.linkedBrowser).flush();
39 tabState = JSON.parse(ss.getTabState(tab));
40 if (tabState.entries[tabState.entries.length - 1].url != baseURL + "end") {
41 // It may take a few passes through the event loop before we
42 // get the right URL.
43 executeSoon(check);
44 return;
45 }
46
47 is(tab.linkedBrowser.currentURI.spec, baseURL + "end",
48 "the new anchor was loaded");
49 is(tabState.entries[tabState.entries.length - 1].url, baseURL + "end",
50 "... and ignored");
51 is(tabState.entries[0].url, baseURL + 1,
52 "... and the first item was removed");
53
54 // clean up
55 gBrowser.removeTab(tab);
56 finish();
57 }
58
59 check();
60 });
61 });
62 }

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