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 461634 **/
michael@0: 
michael@0:   waitForExplicitFinish();
michael@0: 
michael@0:   const REMEMBER = Date.now(), FORGET = Math.random();
michael@0:   let test_state = { windows: [{ "tabs": [{ "entries": [] }], _closedTabs: [
michael@0:     { state: { entries: [{ url: "http://www.example.net/" }] }, title: FORGET },
michael@0:     { state: { entries: [{ url: "http://www.example.net/" }] }, title: REMEMBER },
michael@0:     { state: { entries: [{ url: "http://www.example.net/" }] }, title: FORGET },
michael@0:     { state: { entries: [{ url: "http://www.example.net/" }] }, title: REMEMBER },
michael@0:   ] }] };
michael@0:   let remember_count = 2;
michael@0: 
michael@0:   function countByTitle(aClosedTabList, aTitle)
michael@0:     aClosedTabList.filter(function(aData) aData.title == aTitle).length;
michael@0: 
michael@0:   function testForError(aFunction) {
michael@0:     try {
michael@0:       aFunction();
michael@0:       return false;
michael@0:     }
michael@0:     catch (ex) {
michael@0:       return ex.name == "NS_ERROR_ILLEGAL_VALUE";
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   // open a window and add the above closed tab list
michael@0:   let newWin = openDialog(location, "", "chrome,all,dialog=no");
michael@0:   newWin.addEventListener("load", function(aEvent) {
michael@0:     newWin.removeEventListener("load", arguments.callee, false);
michael@0: 
michael@0:     gPrefService.setIntPref("browser.sessionstore.max_tabs_undo",
michael@0:                             test_state.windows[0]._closedTabs.length);
michael@0:     ss.setWindowState(newWin, JSON.stringify(test_state), true);
michael@0: 
michael@0:     let closedTabs = JSON.parse(ss.getClosedTabData(newWin));
michael@0:     is(closedTabs.length, test_state.windows[0]._closedTabs.length,
michael@0:        "Closed tab list has the expected length");
michael@0:     is(countByTitle(closedTabs, FORGET),
michael@0:        test_state.windows[0]._closedTabs.length - remember_count,
michael@0:        "The correct amout of tabs are to be forgotten");
michael@0:     is(countByTitle(closedTabs, REMEMBER), remember_count,
michael@0:        "Everything is set up.");
michael@0: 
michael@0:     // all of the following calls with illegal arguments should throw NS_ERROR_ILLEGAL_VALUE
michael@0:     ok(testForError(function() ss.forgetClosedTab({}, 0)),
michael@0:        "Invalid window for forgetClosedTab throws");
michael@0:     ok(testForError(function() ss.forgetClosedTab(newWin, -1)),
michael@0:        "Invalid tab for forgetClosedTab throws");
michael@0:     ok(testForError(function() ss.forgetClosedTab(newWin, test_state.windows[0]._closedTabs.length + 1)),
michael@0:        "Invalid tab for forgetClosedTab throws");
michael@0: 
michael@0:     // Remove third tab, then first tab
michael@0:     ss.forgetClosedTab(newWin, 2);
michael@0:     ss.forgetClosedTab(newWin, null);
michael@0: 
michael@0:     closedTabs = JSON.parse(ss.getClosedTabData(newWin));
michael@0:     is(closedTabs.length, remember_count,
michael@0:        "The correct amout of tabs was removed");
michael@0:     is(countByTitle(closedTabs, FORGET), 0,
michael@0:        "All tabs specifically forgotten were indeed removed");
michael@0:     is(countByTitle(closedTabs, REMEMBER), remember_count,
michael@0:        "... and tabs not specifically forgetten weren't.");
michael@0: 
michael@0:     // clean up
michael@0:     newWin.close();
michael@0:     gPrefService.clearUserPref("browser.sessionstore.max_tabs_undo");
michael@0:     finish();
michael@0:   }, false);
michael@0: }