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-/* -*- 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 <adw@mozilla.com> (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;
-}