| // Copyright 2011 The Closure Library Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS-IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| /** |
| * @fileoverview Unit tests for the iterable storage mechanism interface. |
| * |
| * These tests should be included in tests of any class extending |
| * goog.storage.mechanism.IterableMechanism. |
| * |
| */ |
| |
| goog.provide('goog.storage.mechanism.iterableMechanismTester'); |
| |
| goog.require('goog.iter.Iterator'); |
| goog.require('goog.storage.mechanism.IterableMechanism'); |
| goog.require('goog.testing.asserts'); |
| goog.setTestOnly('iterableMechanismTester'); |
| |
| |
| var mechanism = null; |
| |
| |
| function testCount() { |
| if (!mechanism) { |
| return; |
| } |
| assertEquals(0, mechanism.getCount()); |
| mechanism.set('first', 'one'); |
| assertEquals(1, mechanism.getCount()); |
| mechanism.set('second', 'two'); |
| assertEquals(2, mechanism.getCount()); |
| mechanism.set('first', 'three'); |
| assertEquals(2, mechanism.getCount()); |
| } |
| |
| |
| function testIteratorBasics() { |
| if (!mechanism) { |
| return; |
| } |
| mechanism.set('first', 'one'); |
| assertEquals('first', mechanism.__iterator__(true).next()); |
| assertEquals('one', mechanism.__iterator__(false).next()); |
| var iterator = mechanism.__iterator__(); |
| assertEquals('one', iterator.next()); |
| assertEquals(goog.iter.StopIteration, |
| assertThrows(iterator.next)); |
| } |
| |
| |
| function testIteratorWithTwoValues() { |
| if (!mechanism) { |
| return; |
| } |
| mechanism.set('first', 'one'); |
| mechanism.set('second', 'two'); |
| assertSameElements(['one', 'two'], goog.iter.toArray(mechanism)); |
| assertSameElements(['first', 'second'], |
| goog.iter.toArray(mechanism.__iterator__(true))); |
| } |
| |
| |
| function testClear() { |
| if (!mechanism) { |
| return; |
| } |
| mechanism.set('first', 'one'); |
| mechanism.set('second', 'two'); |
| mechanism.clear(); |
| assertNull(mechanism.get('first')); |
| assertNull(mechanism.get('second')); |
| assertEquals(0, mechanism.getCount()); |
| assertEquals(goog.iter.StopIteration, |
| assertThrows(mechanism.__iterator__(true).next)); |
| assertEquals(goog.iter.StopIteration, |
| assertThrows(mechanism.__iterator__(false).next)); |
| } |
| |
| |
| function testClearClear() { |
| if (!mechanism) { |
| return; |
| } |
| mechanism.clear(); |
| mechanism.clear(); |
| assertEquals(0, mechanism.getCount()); |
| } |
| |
| |
| function testIteratorWithWeirdKeys() { |
| if (!mechanism) { |
| return; |
| } |
| mechanism.set(' ', 'space'); |
| mechanism.set('=+!@#$%^&*()-_\\|;:\'",./<>?[]{}~`', 'control'); |
| mechanism.set( |
| '\u4e00\u4e8c\u4e09\u56db\u4e94\u516d\u4e03\u516b\u4e5d\u5341', 'ten'); |
| assertEquals(3, mechanism.getCount()); |
| assertSameElements([ |
| ' ', |
| '=+!@#$%^&*()-_\\|;:\'",./<>?[]{}~`', |
| '\u4e00\u4e8c\u4e09\u56db\u4e94\u516d\u4e03\u516b\u4e5d\u5341' |
| ], goog.iter.toArray(mechanism.__iterator__(true))); |
| mechanism.clear(); |
| assertEquals(0, mechanism.getCount()); |
| } |