From f6ab6622aab00fe7c2f4c3dc41f786ebbe0f0d73 Mon Sep 17 00:00:00 2001 From: Rogan Creswick Date: Fri, 30 Mar 2012 17:07:02 -0700 Subject: initial revision --- .../packages/api-utils/tests/test-collection.js | 160 +++++++++++++++++++++ 1 file changed, 160 insertions(+) create mode 100644 tools/addon-sdk-1.4/packages/api-utils/tests/test-collection.js (limited to 'tools/addon-sdk-1.4/packages/api-utils/tests/test-collection.js') diff --git a/tools/addon-sdk-1.4/packages/api-utils/tests/test-collection.js b/tools/addon-sdk-1.4/packages/api-utils/tests/test-collection.js new file mode 100644 index 0000000..9db638e --- /dev/null +++ b/tools/addon-sdk-1.4/packages/api-utils/tests/test-collection.js @@ -0,0 +1,160 @@ +/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim:set ts=2 sw=2 sts=2 et: */ +/* ***** 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 Jetpack. + * + * The Initial Developer of the Original Code is + * the Mozilla Foundation. + * Portions created by the Initial Developer are Copyright (C) 2010 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * Drew Willcoxon (Original Author) + * + * 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 ***** */ + +const collection = require("collection"); + +exports.testAddRemove = function (test) { + let coll = new collection.Collection(); + compare(test, coll, []); + addRemove(test, coll, [], false); +}; + +exports.testAddRemoveBackingArray = function (test) { + let items = ["foo"]; + let coll = new collection.Collection(items); + compare(test, coll, items); + addRemove(test, coll, items, true); + + items = ["foo", "bar"]; + coll = new collection.Collection(items); + compare(test, coll, items); + addRemove(test, coll, items, true); +}; + +exports.testProperty = function (test) { + let obj = makeObjWithCollProp(); + compare(test, obj.coll, []); + addRemove(test, obj.coll, [], false); + + // Test single-value set. + let items = ["foo"]; + obj.coll = items[0]; + compare(test, obj.coll, items); + addRemove(test, obj.coll, items, false); + + // Test array set. + items = ["foo", "bar"]; + obj.coll = items; + compare(test, obj.coll, items); + addRemove(test, obj.coll, items, false); +}; + +exports.testPropertyBackingArray = function (test) { + let items = ["foo"]; + let obj = makeObjWithCollProp(items); + compare(test, obj.coll, items); + addRemove(test, obj.coll, items, true); + + items = ["foo", "bar"]; + obj = makeObjWithCollProp(items); + compare(test, obj.coll, items); + addRemove(test, obj.coll, items, true); +}; + +// Adds some values to coll and then removes them. initialItems is an array +// containing coll's initial items. isBacking is true if initialItems is coll's +// backing array; the point is that updates to coll should affect initialItems +// if that's the case. +function addRemove(test, coll, initialItems, isBacking) { + let items = isBacking ? initialItems : initialItems.slice(0); + let numInitialItems = items.length; + + // Test add(val). + let numInsertions = 5; + for (let i = 0; i < numInsertions; i++) { + compare(test, coll, items); + coll.add(i); + if (!isBacking) + items.push(i); + } + compare(test, coll, items); + + // Add the items we just added to make sure duplicates aren't added. + for (let i = 0; i < numInsertions; i++) + coll.add(i); + compare(test, coll, items); + + // Test remove(val). Do a kind of shuffled remove. Remove item 1, then + // item 0, 3, 2, 5, 4, ... + for (let i = 0; i < numInsertions; i++) { + let val = i % 2 ? i - 1 : + i === numInsertions - 1 ? i : i + 1; + coll.remove(val); + if (!isBacking) + items.splice(items.indexOf(val), 1); + compare(test, coll, items); + } + test.assertEqual(coll.length, numInitialItems, + "All inserted items should be removed"); + + // Remove the items we just removed. coll should be unchanged. + for (let i = 0; i < numInsertions; i++) + coll.remove(i); + compare(test, coll, items); + + // Test add and remove([val1, val2]). + let newItems = [0, 1]; + coll.add(newItems); + compare(test, coll, isBacking ? items : items.concat(newItems)); + coll.remove(newItems); + compare(test, coll, items); + test.assertEqual(coll.length, numInitialItems, + "All inserted items should be removed"); +} + +// Asserts that the items in coll are the items of array. +function compare(test, coll, array) { + test.assertEqual(coll.length, array.length, + "Collection length should be correct"); + let numItems = 0; + for (let item in coll) { + test.assertEqual(item, array[numItems], "Items should be equal"); + numItems++; + } + test.assertEqual(numItems, array.length, + "Number of items in iteration should be correct"); +} + +// Returns a new object with a collection property named "coll". backingArray, +// if defined, will create the collection with that backing array. +function makeObjWithCollProp(backingArray) { + let obj = {}; + collection.addCollectionProperty(obj, "coll", backingArray); + return obj; +} -- cgit v1.2.3