browser/components/sessionstore/test/browser_447951.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/browser/components/sessionstore/test/browser_447951.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,62 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +function test() {
     1.9 +  /** Test for Bug 447951 **/
    1.10 +
    1.11 +  waitForExplicitFinish();
    1.12 +  const baseURL = "http://mochi.test:8888/browser/" +
    1.13 +    "browser/components/sessionstore/test/browser_447951_sample.html#";
    1.14 +
    1.15 +  // Make sure the functionality added in bug 943339 doesn't affect the results
    1.16 +  gPrefService.setIntPref("browser.sessionstore.max_serialize_back", -1);
    1.17 +  gPrefService.setIntPref("browser.sessionstore.max_serialize_forward", -1);
    1.18 +  registerCleanupFunction(function () {
    1.19 +    gPrefService.clearUserPref("browser.sessionstore.max_serialize_back");
    1.20 +    gPrefService.clearUserPref("browser.sessionstore.max_serialize_forward");
    1.21 +  });
    1.22 +
    1.23 +  let tab = gBrowser.addTab();
    1.24 +  whenBrowserLoaded(tab.linkedBrowser, function() {
    1.25 +    let tabState = { entries: [] };
    1.26 +    let max_entries = gPrefService.getIntPref("browser.sessionhistory.max_entries");
    1.27 +    for (let i = 0; i < max_entries; i++)
    1.28 +      tabState.entries.push({ url: baseURL + i });
    1.29 +
    1.30 +    ss.setTabState(tab, JSON.stringify(tabState));
    1.31 +    whenTabRestored(tab, function() {
    1.32 +      SyncHandlers.get(tab.linkedBrowser).flush();
    1.33 +      tabState = JSON.parse(ss.getTabState(tab));
    1.34 +      is(tabState.entries.length, max_entries, "session history filled to the limit");
    1.35 +      is(tabState.entries[0].url, baseURL + 0, "... but not more");
    1.36 +
    1.37 +      // visit yet another anchor (appending it to session history)
    1.38 +      tab.linkedBrowser.contentDocument.querySelector("a").click();
    1.39 +
    1.40 +      function check() {
    1.41 +        SyncHandlers.get(tab.linkedBrowser).flush();
    1.42 +        tabState = JSON.parse(ss.getTabState(tab));
    1.43 +        if (tabState.entries[tabState.entries.length - 1].url != baseURL + "end") {
    1.44 +          // It may take a few passes through the event loop before we
    1.45 +          // get the right URL.
    1.46 +          executeSoon(check);
    1.47 +          return;
    1.48 +        }
    1.49 +
    1.50 +        is(tab.linkedBrowser.currentURI.spec, baseURL + "end",
    1.51 +           "the new anchor was loaded");
    1.52 +        is(tabState.entries[tabState.entries.length - 1].url, baseURL + "end",
    1.53 +           "... and ignored");
    1.54 +        is(tabState.entries[0].url, baseURL + 1,
    1.55 +           "... and the first item was removed");
    1.56 +
    1.57 +        // clean up
    1.58 +        gBrowser.removeTab(tab);
    1.59 +        finish();
    1.60 +      }
    1.61 +
    1.62 +      check();
    1.63 +    });
    1.64 +  });
    1.65 +}

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