67 lines
1.7 KiB
JavaScript
67 lines
1.7 KiB
JavaScript
// Copyright 2007 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 Generic queue for writing unit tests.
|
|
*/
|
|
|
|
goog.provide('goog.testing.TestQueue');
|
|
|
|
|
|
|
|
/**
|
|
* Generic queue for writing unit tests
|
|
* @constructor
|
|
*/
|
|
goog.testing.TestQueue = function() {
|
|
/**
|
|
* Events that have accumulated
|
|
* @type {Array.<Object>}
|
|
* @private
|
|
*/
|
|
this.events_ = [];
|
|
};
|
|
|
|
|
|
/**
|
|
* Adds a new event onto the queue.
|
|
* @param {Object} event The event to queue.
|
|
*/
|
|
goog.testing.TestQueue.prototype.enqueue = function(event) {
|
|
this.events_.push(event);
|
|
};
|
|
|
|
|
|
/**
|
|
* Returns whether the queue is empty.
|
|
* @return {boolean} Whether the queue is empty.
|
|
*/
|
|
goog.testing.TestQueue.prototype.isEmpty = function() {
|
|
return this.events_.length == 0;
|
|
};
|
|
|
|
|
|
/**
|
|
* Gets the next event from the queue. Throws an exception if the queue is
|
|
* empty.
|
|
* @param {string=} opt_comment Comment if the queue is empty.
|
|
* @return {Object} The next event from the queue.
|
|
*/
|
|
goog.testing.TestQueue.prototype.dequeue = function(opt_comment) {
|
|
if (this.isEmpty()) {
|
|
throw Error('Handler is empty: ' + opt_comment);
|
|
}
|
|
return this.events_.shift();
|
|
};
|