| /* |
| * 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 System.Threading; |
| using Apache.NMS.Util; |
| using Apache.NMS.ActiveMQ.Threads; |
| using NUnit.Framework; |
| |
| namespace Apache.NMS.ActiveMQ.Test |
| { |
| [TestFixture] |
| public class SchedulerTest |
| { |
| private int counter; |
| |
| private void CounterCallback(object arg) |
| { |
| this.counter++; |
| } |
| |
| [SetUp] |
| public void SetUp() |
| { |
| counter = 0; |
| } |
| |
| [Test] |
| public void TestConstructor() |
| { |
| Scheduler scheduler = new Scheduler("TestConstructor"); |
| Assert.IsFalse(scheduler.Started); |
| scheduler.Start(); |
| Assert.IsTrue(scheduler.Started); |
| scheduler.Stop(); |
| Assert.IsFalse(scheduler.Started); |
| } |
| |
| [Test] |
| public void TestNullWaitCallbackThrows() |
| { |
| Scheduler scheduler = new Scheduler("TestNullWaitCallbackThrows"); |
| scheduler.Start(); |
| |
| try |
| { |
| scheduler.ExecuteAfterDelay(null, null, 100); |
| Assert.Fail("Should have thrown an exception"); |
| } |
| catch (ArgumentNullException) |
| { |
| } |
| |
| try |
| { |
| scheduler.ExecuteAfterDelay(null, null, TimeSpan.FromMilliseconds(100)); |
| Assert.Fail("Should have thrown an exception"); |
| } |
| catch (ArgumentNullException) |
| { |
| } |
| |
| try |
| { |
| scheduler.ExecutePeriodically(null, null, 100); |
| Assert.Fail("Should have thrown an exception"); |
| } |
| catch (ArgumentNullException) |
| { |
| } |
| |
| try |
| { |
| scheduler.ExecutePeriodically(null, null, TimeSpan.FromMilliseconds(100)); |
| Assert.Fail("Should have thrown an exception"); |
| } |
| catch (ArgumentNullException) |
| { |
| } |
| } |
| |
| [Test] |
| public void TestExecutePeriodically() |
| { |
| { |
| Scheduler scheduler = new Scheduler("TestExecutePeriodically"); |
| scheduler.Start(); |
| WaitCallback task = new WaitCallback(CounterCallback); |
| scheduler.ExecutePeriodically(task, null, 500); |
| Assert.AreEqual(0, counter); |
| Thread.Sleep(700); |
| Assert.IsTrue(counter >= 1, "Should have executed at least once."); |
| Thread.Sleep(600); |
| Assert.IsTrue(counter >= 2, "Should have executed at least twice."); |
| Assert.IsTrue(counter < 5, "Should have executed less than five times."); |
| scheduler.Stop(); |
| } |
| |
| this.counter = 0; |
| |
| { |
| Scheduler scheduler = new Scheduler("TestExecutePeriodically"); |
| scheduler.Start(); |
| WaitCallback task = new WaitCallback(CounterCallback); |
| scheduler.ExecutePeriodically(task, null, 1000); |
| Assert.AreEqual(0, counter); |
| scheduler.Cancel(task); |
| Thread.Sleep(1200); |
| Assert.AreEqual(0, counter); |
| scheduler.Stop(); |
| } |
| } |
| |
| [Test] |
| public void TestExecuteAfterDelay() |
| { |
| Scheduler scheduler = new Scheduler("TestExecuteAfterDelay"); |
| scheduler.Start(); |
| WaitCallback task = new WaitCallback(CounterCallback); |
| scheduler.ExecuteAfterDelay(task, null, 500); |
| Assert.AreEqual(0, counter); |
| Thread.Sleep(700); |
| Assert.IsTrue(counter == 1, "Should have executed at least once."); |
| Thread.Sleep(600); |
| Assert.IsTrue(counter == 1, "Should have executed no more than once."); |
| scheduler.Stop(); |
| } |
| |
| [Test] |
| public void TestExecuteAfterDelayNoDelay() |
| { |
| Scheduler scheduler = new Scheduler("TestExecuteAfterDelay"); |
| scheduler.Start(); |
| scheduler.ExecuteAfterDelay(CounterCallback, null, 0); |
| scheduler.ExecuteAfterDelay(CounterCallback, null, 0); |
| scheduler.ExecuteAfterDelay(CounterCallback, null, 0); |
| Thread.Sleep(500); |
| Assert.IsTrue(counter == 3, "Should have executed Three tasks."); |
| scheduler.Stop(); |
| } |
| |
| [Test] |
| public void TestCancel() |
| { |
| Scheduler scheduler = new Scheduler("TestCancel"); |
| scheduler.Start(); |
| WaitCallback task = new WaitCallback(CounterCallback); |
| scheduler.ExecutePeriodically(task, null, 1000); |
| Assert.AreEqual(0, counter); |
| scheduler.Cancel(task); |
| Thread.Sleep(1200); |
| Assert.AreEqual(0, counter); |
| scheduler.Stop(); |
| } |
| |
| [Test] |
| public void TestStop() |
| { |
| Scheduler scheduler = new Scheduler("TestStop"); |
| scheduler.Start(); |
| WaitCallback task = new WaitCallback(CounterCallback); |
| scheduler.ExecutePeriodically(task, null, 1000); |
| Assert.AreEqual(0, counter); |
| scheduler.Stop (); |
| Thread.Sleep(1200); |
| Assert.AreEqual(0, counter); |
| } |
| } |
| } |
| |