| // Copyright 2015 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. |
| |
| goog.provide('goog.async.WorkQueueTest'); |
| goog.setTestOnly('goog.async.WorkQueueTest'); |
| |
| goog.require('goog.async.WorkQueue'); |
| goog.require('goog.testing.jsunit'); |
| |
| |
| var id = 0; |
| var queue = null; |
| |
| |
| function setUp() { |
| queue = new goog.async.WorkQueue(); |
| } |
| |
| |
| function tearDown() { |
| queue = null; |
| } |
| |
| |
| function testEntriesReturnedInOrder() { |
| var fn1 = function one() {}; |
| var scope1 = {}; |
| var fn2 = function two() {}; |
| var scope2 = {}; |
| queue.add(fn1, scope1); |
| queue.add(fn2, scope2); |
| |
| var item = queue.remove(); |
| assertEquals(fn1, item.fn); |
| assertEquals(scope1, item.scope); |
| assertNull(item.next); |
| |
| item = queue.remove(); |
| assertEquals(fn2, item.fn); |
| assertEquals(scope2, item.scope); |
| assertNull(item.next); |
| |
| item = queue.remove(); |
| assertNull(item); |
| } |
| |
| |
| function testReturnedItemReused() { |
| var fn1 = function() {}; |
| var scope1 = {}; |
| |
| var fn2 = function() {}; |
| var scope2 = {}; |
| |
| assertEquals(0, goog.async.WorkQueue.freelist_.occupants()); |
| |
| queue.add(fn1, scope1); |
| var item1 = queue.remove(); |
| |
| assertEquals(0, goog.async.WorkQueue.freelist_.occupants()); |
| |
| queue.returnUnused(item1); |
| |
| assertEquals(1, goog.async.WorkQueue.freelist_.occupants()); |
| |
| queue.add(fn2, scope2); |
| |
| assertEquals(0, goog.async.WorkQueue.freelist_.occupants()); |
| |
| var item2 = queue.remove(); |
| |
| assertEquals(item1, item2); |
| } |
| |
| |
| function testEmptyQueueReturnNull() { |
| var item1 = queue.remove(); |
| assertNull(item1); |
| } |