/* ***** 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 browser 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):
 *   John Morkel <jmorkel@gmail.com>
 *
 * 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() {
  is(gBrowser.tabs.length, 1, "one tab is open initially");

  // Add several new tabs in sequence, interrupted by selecting a
  // different tab, moving a tab around and closing a tab,
  // returning a list of opened tabs for verifying the expected order.
  // The new tab behaviour is documented in bug 465673
  let tabs = [];
  function addTab(aURL, aReferrer) {
    tabs.push(gBrowser.addTab(aURL, {referrerURI: aReferrer}));
  }

  addTab("http://mochi.test:8888/#0");
  gBrowser.selectedTab = tabs[0];
  addTab("http://mochi.test:8888/#1");
  addTab("http://mochi.test:8888/#2", gBrowser.currentURI);
  addTab("http://mochi.test:8888/#3", gBrowser.currentURI);
  gBrowser.selectedTab = tabs[tabs.length - 1];
  gBrowser.selectedTab = tabs[0];
  addTab("http://mochi.test:8888/#4", gBrowser.currentURI);
  gBrowser.selectedTab = tabs[3];
  addTab("http://mochi.test:8888/#5", gBrowser.currentURI);
  gBrowser.removeTab(tabs.pop());
  addTab("about:blank", gBrowser.currentURI);
  gBrowser.moveTabTo(gBrowser.selectedTab, 1);
  addTab("http://mochi.test:8888/#6", gBrowser.currentURI);
  addTab();
  addTab("http://mochi.test:8888/#7");

  function testPosition(tabNum, expectedPosition, msg) {
    is(Array.indexOf(gBrowser.tabs, tabs[tabNum]), expectedPosition, msg);
  }

  testPosition(0, 3, "tab without referrer was opened to the far right");
  testPosition(1, 7, "tab without referrer was opened to the far right");
  testPosition(2, 5, "tab with referrer opened immediately to the right");
  testPosition(3, 1, "next tab with referrer opened further to the right");
  testPosition(4, 4, "tab selection changed, tab opens immediately to the right");
  testPosition(5, 6, "blank tab with referrer opens to the right of 3rd original tab where removed tab was");
  testPosition(6, 2, "tab has moved, new tab opens immediately to the right");
  testPosition(7, 8, "blank tab without referrer opens at the end");
  testPosition(8, 9, "tab without referrer opens at the end");

  gBrowser.selectedTab = tabs[0];
  gBrowser.pinTab(gBrowser.selectedTab);
  addTab("http://mochi.test:8888/#8", gBrowser.currentURI);
  testPosition(9, 10, "tab with referrer should open at the end when the selected tab is pinned");
  gBrowser.selectedTab = tabs[9];
  gBrowser.removeTab(tabs.pop());
  is(gBrowser.selectedTab, tabs[0],
     "opening a tab from a pinned tab, selecting it and closing it should go back to the pinned tab");

  tabs.forEach(gBrowser.removeTab, gBrowser);
}