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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.FreeListTest');
- goog.setTestOnly('goog.async.FreeListTest');
- goog.require('goog.async.FreeList');
- goog.require('goog.testing.jsunit');
- var id = 0;
- var list = null;
- function setUp() {
- var id = 0;
- var data = 1;
- list = new goog.async.FreeList(
- function() {
- data *= 2;
- return {id: id++, data: data, next: null};
- },
- function(item) { item.data = null; },
- 2); // max occupancy
- }
- function tearDown() {
- list = null;
- }
- function testItemsCreatedAsNeeded() {
- assertEquals(0, list.occupants());
- var item1 = list.get();
- assertNotNullNorUndefined(item1);
- var item2 = list.get();
- assertNotNullNorUndefined(item2);
- assertNotEquals(item1, item2);
- assertEquals(0, list.occupants());
- }
- function testMaxOccupancy() {
- assertEquals(0, list.occupants());
- var item1 = list.get();
- var item2 = list.get();
- var item3 = list.get();
- list.put(item1);
- list.put(item2);
- list.put(item3);
- assertEquals(2, list.occupants());
- }
- function testRecycling() {
- assertEquals(0, list.occupants());
- var item1 = list.get();
- assertNotNull(item1.data);
- list.put(item1);
- var item2 = list.get();
- // Item recycled
- assertEquals(item1, item2);
- // reset method called
- assertNull(item2.data);
- }
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