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- // 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);
- }
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