michael@0: // -*- Mode: js2; tab-width: 2; indent-tabs-mode: nil; js2-basic-offset: 2; js2-skip-preprocessor-directives: t; -*-
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: "use strict";
michael@0: 
michael@0: let mockTab = function(aName, aIsClosing) {
michael@0:   this.name = aName;
michael@0:   this.isClosing = aIsClosing;
michael@0: };
michael@0: 
michael@0: mockTab.prototype = {
michael@0:   get chromeTab () {
michael@0:     let getAttribute = () => this.isClosing;
michael@0:     return {
michael@0:       hasAttribute: getAttribute
michael@0:     }
michael@0:   }
michael@0: };
michael@0: 
michael@0: let getMockBrowserTabs = function(aTestTabs, aSelected) {
michael@0:   let result = {
michael@0:     _tabs: aTestTabs,
michael@0:     _selectedTab: aTestTabs[aSelected || 0],
michael@0:     getTabAtIndex: function(i) this._tabs[i]
michael@0:   };
michael@0: 
michael@0:   return [result, Browser.getNextTab.bind(result)];
michael@0: };
michael@0: 
michael@0: gTests.push({
michael@0:   desc: "Test Browser.getNextTab",
michael@0:   run: function() {
michael@0:     let [lonlyTab, fakeGetNextTab] = getMockBrowserTabs(
michael@0:       [new mockTab("a", false)]);
michael@0: 
michael@0:     ok(fakeGetNextTab(lonlyTab._selectedTab) == null, "null when only 1 tab left");
michael@0:     ok(fakeGetNextTab(new mockTab("x", false)) == null, "null when tab doesnt exist");
michael@0: 
michael@0:     let [twoTabs, fakeGetNextTab] = getMockBrowserTabs(
michael@0:       [new mockTab("a", false), new mockTab("b", false)]);
michael@0:     ok(fakeGetNextTab(twoTabs._selectedTab).name == "b", "get next tab");
michael@0:     ok(fakeGetNextTab(twoTabs._tabs[1]).name == "a", "get selected tab");
michael@0: 
michael@0:     let [twoTabsSecondSelected, fakeGetNextTab] = getMockBrowserTabs(
michael@0:       [new mockTab("a", false), new mockTab("b", false)], 1);
michael@0:     ok(fakeGetNextTab(twoTabsSecondSelected._selectedTab).name == "a", "get previous tab");
michael@0: 
michael@0:     let [twoTabsOneClosing, fakeGetNextTab] = getMockBrowserTabs(
michael@0:       [new mockTab("a", false), new mockTab("b", true)]);
michael@0:     ok(fakeGetNextTab(twoTabsOneClosing._selectedTab) == null, "can't select closing tab");
michael@0:     ok(fakeGetNextTab(twoTabsOneClosing._tabs[1]).name == "a", "get previous tab");
michael@0: 
michael@0:     let [twoTabsBothClosing, fakeGetNextTab] = getMockBrowserTabs(
michael@0:       [new mockTab("a", true), new mockTab("b", true)]);
michael@0:     ok(fakeGetNextTab(twoTabsBothClosing._selectedTab) == null, "can't select closing tab");
michael@0:     ok(fakeGetNextTab(twoTabsBothClosing._tabs[1]) == null, "can't select closing tab");
michael@0: 
michael@0:     let [fiveTabsLastNotClosing, fakeGetNextTab] = getMockBrowserTabs(
michael@0:       [new mockTab("a", false), new mockTab("b", true), new mockTab("c", true), new mockTab("d", true), new mockTab("e", false)]);
michael@0:     ok(fakeGetNextTab(fiveTabsLastNotClosing._selectedTab).name == "e", "get next non-closing tab");
michael@0: 
michael@0:     let [fiveTabsLastNotClosingLastSelected, fakeGetNextTab] = getMockBrowserTabs(
michael@0:       [new mockTab("a", false), new mockTab("b", true), new mockTab("c", true), new mockTab("d", true), new mockTab("e", false)], 4);
michael@0:     ok(fakeGetNextTab(fiveTabsLastNotClosingLastSelected._selectedTab).name == "a", "get previous non-closing tab");
michael@0:   }
michael@0: });
michael@0: 
michael@0: function test() {
michael@0:   runTests();
michael@0: }