/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is sessionstore test code.
 *
 * The Initial Developer of the Original Code is
 * Simon Bünzli <zeniko@gmail.com>.
 * Portions created by the Initial Developer are Copyright (C) 2008
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

function test() {
  /** Test for Bug 447951 **/
  
  waitForExplicitFinish();
  const baseURL = "http://mochi.test:8888/browser/" +
    "browser/components/sessionstore/test/browser_447951_sample.html#";
    
  let tab = gBrowser.addTab();
  tab.linkedBrowser.addEventListener("load", function(aEvent) {
    tab.linkedBrowser.removeEventListener("load", arguments.callee, true);
    
    let tabState = { entries: [] };
    let max_entries = gPrefService.getIntPref("browser.sessionhistory.max_entries");
    for (let i = 0; i < max_entries; i++)
      tabState.entries.push({ url: baseURL + i });
    
    ss.setTabState(tab, JSON.stringify(tabState));
    tab.addEventListener("SSTabRestored", function(aEvent) {
      tab.removeEventListener("SSTabRestored", arguments.callee, false);
      tabState = JSON.parse(ss.getTabState(tab));
      is(tabState.entries.length, max_entries, "session history filled to the limit");
      is(tabState.entries[0].url, baseURL + 0, "... but not more");
      
      // visit yet another anchor (appending it to session history)
      let doc = tab.linkedBrowser.contentDocument;
      let event = doc.createEvent("MouseEvents");
      event.initMouseEvent("click", true, true, doc.defaultView, 1,
                           0, 0, 0, 0, false, false, false, false, 0, null);
      doc.querySelector("a").dispatchEvent(event);
      
      executeSoon(function() {
        tabState = JSON.parse(ss.getTabState(tab));
        is(tab.linkedBrowser.currentURI.spec, baseURL + "end",
           "the new anchor was loaded");
        is(tabState.entries[tabState.entries.length - 1].url, baseURL + "end",
           "... and ignored");
        is(tabState.entries[0].url, baseURL + 1,
           "... and the first item was removed");
        
        // clean up
        gBrowser.removeTab(tab);
        finish();
      });
    }, false);
  }, true);
}