| // 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.structs.PoolTest'); |
| goog.setTestOnly('goog.structs.PoolTest'); |
| |
| goog.require('goog.structs.Pool'); |
| goog.require('goog.testing.MockClock'); |
| goog.require('goog.testing.jsunit'); |
| |
| // Implementation of the Pool class with isObjectDead() always returning TRUE, |
| // so that the the Pool will not reuse any objects. |
| function NoObjectReusePool(opt_min, opt_max) { |
| goog.structs.Pool.call(this, opt_min, opt_max); |
| } |
| goog.inherits(NoObjectReusePool, goog.structs.Pool); |
| |
| NoObjectReusePool.prototype.objectCanBeReused = function(obj) { |
| return false; |
| }; |
| |
| |
| function testExceedMax1() { |
| var p = new goog.structs.Pool(0, 3); |
| var obj1 = p.getObject(); |
| var obj2 = p.getObject(); |
| var obj3 = p.getObject(); |
| var obj4 = p.getObject(); |
| var obj5 = p.getObject(); |
| |
| assertNotUndefined(obj1); |
| assertNotUndefined(obj2); |
| assertNotUndefined(obj3); |
| assertUndefined(obj4); |
| assertUndefined(obj5); |
| } |
| |
| |
| function testExceedMax2() { |
| var p = new goog.structs.Pool(0, 1); |
| var obj1 = p.getObject(); |
| var obj2 = p.getObject(); |
| var obj3 = p.getObject(); |
| var obj4 = p.getObject(); |
| var obj5 = p.getObject(); |
| |
| assertNotUndefined(obj1); |
| assertUndefined(obj2); |
| assertUndefined(obj3); |
| assertUndefined(obj4); |
| assertUndefined(obj5); |
| } |
| |
| |
| function testExceedMax3() { |
| var p = new goog.structs.Pool(); // default: 10 |
| var objs = []; |
| |
| for (var i = 0; i < 12; i++) { |
| objs[i] = p.getObject(); |
| } |
| |
| for (var i = 0; i < 10; i++) { |
| assertNotNull('First 10 should be not null', objs[i]); |
| } |
| |
| assertUndefined(objs[10]); |
| assertUndefined(objs[11]); |
| } |
| |
| |
| function testReleaseAndGet1() { |
| var p = new goog.structs.Pool(0, 10); |
| var o = p.getObject(); |
| assertEquals(1, p.getCount()); |
| assertEquals(1, p.getInUseCount()); |
| assertEquals(0, p.getFreeCount()); |
| assertTrue('Result should be true', p.releaseObject(o)); |
| assertEquals(1, p.getCount()); |
| assertEquals(0, p.getInUseCount()); |
| assertEquals(1, p.getFreeCount()); |
| } |
| |
| |
| function testReleaseAndGet2() { |
| var p = new NoObjectReusePool(0, 10); |
| var o = p.getObject(); |
| assertEquals(1, p.getCount()); |
| assertEquals(1, p.getInUseCount()); |
| assertEquals(0, p.getFreeCount()); |
| assertTrue('Result should be true', p.releaseObject(o)); |
| assertEquals(0, p.getCount()); |
| assertEquals(0, p.getInUseCount()); |
| assertEquals(0, p.getFreeCount()); |
| } |
| |
| |
| function testReleaseAndGet3() { |
| var p = new goog.structs.Pool(0, 10); |
| var o1 = p.getObject(); |
| var o2 = p.getObject(); |
| var o3 = p.getObject(); |
| var o4 = {}; |
| assertEquals(3, p.getCount()); |
| assertEquals(3, p.getInUseCount()); |
| assertEquals(0, p.getFreeCount()); |
| assertTrue('Result should be true', p.releaseObject(o1)); |
| assertTrue('Result should be true', p.releaseObject(o2)); |
| assertFalse('Result should be false', p.releaseObject(o4)); |
| assertEquals(3, p.getCount()); |
| assertEquals(1, p.getInUseCount()); |
| assertEquals(2, p.getFreeCount()); |
| } |
| |
| |
| function testReleaseAndGet4() { |
| var p = new NoObjectReusePool(0, 10); |
| var o1 = p.getObject(); |
| var o2 = p.getObject(); |
| var o3 = p.getObject(); |
| var o4 = {}; |
| assertEquals(3, p.getCount()); |
| assertEquals(3, p.getInUseCount()); |
| assertEquals(0, p.getFreeCount()); |
| assertTrue('Result should be true', p.releaseObject(o1)); |
| assertTrue('Result should be true', p.releaseObject(o2)); |
| assertFalse('Result should be false', p.releaseObject(o4)); |
| assertEquals(1, p.getCount()); |
| assertEquals(1, p.getInUseCount()); |
| assertEquals(0, p.getFreeCount()); |
| } |
| |
| |
| function testIsInPool1() { |
| var p = new goog.structs.Pool(); |
| var o1 = p.getObject(); |
| var o2 = p.getObject(); |
| var o3 = p.getObject(); |
| var o4 = {}; |
| var o5 = {}; |
| var o6 = o1; |
| |
| assertTrue(p.contains(o1)); |
| assertTrue(p.contains(o2)); |
| assertTrue(p.contains(o3)); |
| assertFalse(p.contains(o4)); |
| assertFalse(p.contains(o5)); |
| assertTrue(p.contains(o6)); |
| } |
| |
| |
| function testSetMin1() { |
| var p = new goog.structs.Pool(0, 10); |
| |
| assertEquals(0, p.getCount()); |
| assertEquals(0, p.getInUseCount()); |
| assertEquals(0, p.getFreeCount()); |
| |
| p.setMinimumCount(10); |
| |
| assertEquals(10, p.getCount()); |
| assertEquals(0, p.getInUseCount()); |
| assertEquals(10, p.getFreeCount()); |
| } |
| |
| |
| function testSetMin2() { |
| var p = new goog.structs.Pool(0, 10); |
| |
| assertEquals(0, p.getCount()); |
| assertEquals(0, p.getInUseCount()); |
| assertEquals(0, p.getFreeCount()); |
| |
| var o1 = p.getObject(); |
| |
| assertEquals(1, p.getCount()); |
| assertEquals(1, p.getInUseCount()); |
| assertEquals(0, p.getFreeCount()); |
| |
| p.setMinimumCount(10); |
| |
| assertEquals(10, p.getCount()); |
| assertEquals(1, p.getInUseCount()); |
| assertEquals(9, p.getFreeCount()); |
| } |
| |
| |
| function testSetMax1() { |
| var p = new goog.structs.Pool(0, 10); |
| |
| assertEquals(0, p.getCount()); |
| assertEquals(0, p.getInUseCount()); |
| assertEquals(0, p.getFreeCount()); |
| |
| var o1 = p.getObject(); |
| var o2 = p.getObject(); |
| var o3 = p.getObject(); |
| var o4 = p.getObject(); |
| var o5 = p.getObject(); |
| |
| assertEquals(5, p.getCount()); |
| assertEquals(5, p.getInUseCount()); |
| assertEquals(0, p.getFreeCount()); |
| |
| assertTrue('Result should be true', p.releaseObject(o5)); |
| |
| assertEquals(5, p.getCount()); |
| assertEquals(4, p.getInUseCount()); |
| assertEquals(1, p.getFreeCount()); |
| |
| p.setMaximumCount(4); |
| |
| assertEquals(4, p.getCount()); |
| assertEquals(4, p.getInUseCount()); |
| assertEquals(0, p.getFreeCount()); |
| } |
| |
| |
| function testInvalidMinMax1() { |
| var p = new goog.structs.Pool(0, 10); |
| |
| assertEquals(0, p.getCount()); |
| assertEquals(0, p.getInUseCount()); |
| assertEquals(0, p.getFreeCount()); |
| |
| assertThrows(function() { |
| p.setMinimumCount(11); |
| }); |
| } |
| |
| |
| function testInvalidMinMax2() { |
| var p = new goog.structs.Pool(5, 10); |
| |
| assertEquals(5, p.getCount()); |
| assertEquals(0, p.getInUseCount()); |
| assertEquals(5, p.getFreeCount()); |
| |
| assertThrows(function() { |
| p.setMaximumCount(4); |
| }); |
| } |
| |
| |
| function testInvalidMinMax3() { |
| assertThrows(function() { |
| new goog.structs.Pool(10, 1); |
| }); |
| } |
| |
| |
| function testRateLimiting() { |
| var clock = new goog.testing.MockClock(); |
| clock.install(); |
| |
| var p = new goog.structs.Pool(0, 3); |
| p.setDelay(100); |
| |
| assertNotUndefined(p.getObject()); |
| assertUndefined(p.getObject()); |
| |
| clock.tick(100); |
| assertNotUndefined(p.getObject()); |
| assertUndefined(p.getObject()); |
| |
| clock.tick(100); |
| assertNotUndefined(p.getObject()); |
| assertUndefined(p.getObject()); |
| |
| clock.tick(100); |
| assertUndefined(p.getObject()); |
| |
| goog.dispose(clock); |
| } |