| // Copyright 2006 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.ThrottleTest'); |
| goog.setTestOnly('goog.async.ThrottleTest'); |
| |
| goog.require('goog.async.Throttle'); |
| goog.require('goog.testing.MockClock'); |
| goog.require('goog.testing.jsunit'); |
| |
| function testThrottle() { |
| var clock = new goog.testing.MockClock(true); |
| |
| var callBackCount = 0; |
| var callBackFunction = function() { |
| callBackCount++; |
| }; |
| |
| var throttle = new goog.async.Throttle(callBackFunction, 100); |
| assertEquals(0, callBackCount); |
| throttle.fire(); |
| assertEquals(1, callBackCount); |
| throttle.fire(); |
| assertEquals(1, callBackCount); |
| throttle.fire(); |
| throttle.fire(); |
| assertEquals(1, callBackCount); |
| clock.tick(101); |
| assertEquals(2, callBackCount); |
| clock.tick(101); |
| assertEquals(2, callBackCount); |
| |
| throttle.fire(); |
| assertEquals(3, callBackCount); |
| throttle.fire(); |
| assertEquals(3, callBackCount); |
| throttle.stop(); |
| clock.tick(101); |
| assertEquals(3, callBackCount); |
| throttle.fire(); |
| assertEquals(4, callBackCount); |
| clock.tick(101); |
| assertEquals(4, callBackCount); |
| |
| throttle.fire(); |
| throttle.fire(); |
| assertEquals(5, callBackCount); |
| throttle.pause(); |
| throttle.resume(); |
| assertEquals(5, callBackCount); |
| throttle.pause(); |
| clock.tick(101); |
| assertEquals(5, callBackCount); |
| throttle.resume(); |
| assertEquals(6, callBackCount); |
| clock.tick(101); |
| assertEquals(6, callBackCount); |
| throttle.pause(); |
| throttle.fire(); |
| assertEquals(6, callBackCount); |
| clock.tick(101); |
| assertEquals(6, callBackCount); |
| throttle.resume(); |
| assertEquals(7, callBackCount); |
| |
| throttle.pause(); |
| throttle.pause(); |
| clock.tick(101); |
| throttle.fire(); |
| throttle.resume(); |
| assertEquals(7, callBackCount); |
| throttle.resume(); |
| assertEquals(8, callBackCount); |
| |
| throttle.pause(); |
| throttle.pause(); |
| throttle.fire(); |
| throttle.resume(); |
| clock.tick(101); |
| assertEquals(8, callBackCount); |
| throttle.resume(); |
| assertEquals(9, callBackCount); |
| |
| clock.uninstall(); |
| } |