| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| using System; |
| using Apache.NMS; |
| using Apache.NMS.ActiveMQ; |
| using Apache.NMS.ActiveMQ.Util; |
| using NUnit.Framework; |
| |
| namespace Apache.NMS.ActiveMQ.Test |
| { |
| [TestFixture] |
| public class LRUCacheTest |
| { |
| [Test] |
| public void TestConstructor1() |
| { |
| LRUCache<Int64, Int64> underTest = new LRUCache<Int64, Int64>(); |
| Assert.AreEqual(LRUCache<Int64, Int64>.DEFAULT_MAX_CACHE_SIZE, underTest.MaxCacheSize); |
| } |
| |
| [Test] |
| public void TestConstructor2() |
| { |
| LRUCache<Int64, Int64> underTest = new LRUCache<Int64, Int64>(666); |
| Assert.AreEqual(666, underTest.MaxCacheSize); |
| } |
| |
| [Test] |
| public void TestMaxCacheSize() |
| { |
| LRUCache<Int64, Int64> underTest = new LRUCache<Int64, Int64>(666); |
| Assert.AreEqual(666, underTest.MaxCacheSize); |
| underTest.MaxCacheSize = 512; |
| Assert.AreEqual(512, underTest.MaxCacheSize); |
| } |
| |
| [Test] |
| public void TestAdd() |
| { |
| LRUCache<String, String> underTest = new LRUCache<String, String>(666); |
| |
| underTest.Add("key", "value"); |
| Assert.That(underTest.Count == 1); |
| } |
| |
| [Test] |
| public void TestRemove() |
| { |
| LRUCache<String, String> underTest = new LRUCache<String, String>(666); |
| |
| underTest.Add("key", "value"); |
| Assert.That(underTest.Count == 1); |
| underTest.Remove("key"); |
| Assert.That(underTest.Count == 0); |
| } |
| |
| [Test] |
| public void TestContainsKey() |
| { |
| LRUCache<String, String> underTest = new LRUCache<String, String>(666); |
| |
| underTest.Add("key1", "value"); |
| underTest.Add("key2", "value"); |
| underTest.Add("key3", "value"); |
| Assert.That(underTest.Count == 3); |
| Assert.That(underTest.ContainsKey("key2")); |
| Assert.That(underTest.ContainsKey("key1")); |
| Assert.That(underTest.ContainsKey("key3")); |
| Assert.IsFalse(underTest.ContainsKey("Key4")); |
| } |
| |
| [Test] |
| public void TestContainsValue() |
| { |
| LRUCache<String, String> underTest = new LRUCache<String, String>(666); |
| |
| underTest.Add("key1", "value1"); |
| underTest.Add("key2", "value2"); |
| underTest.Add("key3", "value3"); |
| Assert.That(underTest.Count == 3); |
| Assert.That(underTest.ContainsValue("value1")); |
| Assert.That(underTest.ContainsValue("value2")); |
| Assert.That(underTest.ContainsValue("value3")); |
| Assert.IsFalse(underTest.ContainsValue("value4")); |
| } |
| |
| [Test] |
| public void TestCount() |
| { |
| LRUCache<String, String> underTest = new LRUCache<String, String>(666); |
| |
| Assert.That(underTest.Count == 0); |
| underTest.Add("key1", "value"); |
| Assert.That(underTest.Count == 1); |
| underTest.Add("key2", "value"); |
| Assert.That(underTest.Count == 2); |
| underTest.Add("key3", "value"); |
| Assert.That(underTest.Count == 3); |
| underTest.Clear(); |
| Assert.That(underTest.Count == 0); |
| } |
| |
| [Test] |
| public void TestClear() |
| { |
| LRUCache<String, String> underTest = new LRUCache<String, String>(666); |
| |
| underTest.Add("key1", "value"); |
| underTest.Add("key2", "value"); |
| underTest.Add("key3", "value"); |
| Assert.That(underTest.Count == 3); |
| underTest.Clear(); |
| Assert.That(underTest.Count == 0); |
| } |
| |
| [Test] |
| public void TestResize() |
| { |
| LRUCache<Int64, Int64> underTest = new LRUCache<Int64, Int64>(1000); |
| |
| Int64 count = new Int64(); |
| long max = 0; |
| for (; count < 27276827; count++) |
| { |
| long start = DateTime.Now.Ticks; |
| if (!underTest.ContainsKey(count)) |
| { |
| underTest.Add(count, count); |
| } |
| long duration = DateTime.Now.Ticks - start; |
| if (duration > max) |
| { |
| Tracer.Debug("count: " + count + ", new max=" + duration); |
| max = duration; |
| } |
| if (count % 100000000 == 0) |
| { |
| Tracer.Debug("count: " + count + ", max=" + max); |
| } |
| } |
| |
| Assert.AreEqual(1000, underTest.Count, "size is still in order"); |
| } |
| } |
| } |
| |