| /* |
| * 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. |
| */ |
| |
| package org.openide.util; |
| |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| import org.netbeans.junit.Log; |
| import org.netbeans.junit.NbTestCase; |
| import org.openide.util.Exceptions; |
| import org.openide.util.Task; |
| |
| public class TaskTest extends NbTestCase { |
| private Logger LOG; |
| |
| public TaskTest(String testName) { |
| super(testName); |
| } |
| |
| @Override |
| protected void setUp() throws Exception { |
| LOG = Logger.getLogger("org.openide.util.Task." + getName()); |
| } |
| |
| |
| |
| public void testPlainTaskWaitsForBeingExecuted () throws Exception { |
| R run = new R (); |
| Task t = new Task (run); |
| |
| Thread thread = new Thread (t); |
| synchronized (run) { |
| thread.start (); |
| run.wait (); |
| } |
| |
| assertFalse ("Not finished", t.isFinished ()); |
| synchronized (run) { |
| run.notify (); |
| } |
| |
| t.waitFinished (); |
| assertTrue ("Finished", t.isFinished ()); |
| } |
| |
| public void testTaskEMPTYIsFinished () throws Exception { |
| assertTrue (Task.EMPTY.isFinished ()); |
| } |
| |
| public void testWaitFinishedOnEMPTYTaskReturnsImmediatelly () throws Exception { |
| Task.EMPTY.waitFinished (); |
| } |
| |
| public void testWaitWithTimeOutReturnsImmediatellyOnFinishedTasks () throws Exception { |
| assertTrue ("Was successfully finished", Task.EMPTY.waitFinished (0)); |
| } |
| |
| public void testWaitWithTimeOutReturnsAfterTimeOutWhenTheTaskIsNotComputedAtAll () throws Exception { |
| if (!canWait1s()) { |
| LOG.warning("Skipping testWaitWithTimeOutReturnsAfterTimeOutWhenTheTaskIsNotComputedAtAll, as the computer is not able to wait 1s!"); |
| return; |
| } |
| |
| long time = -1; |
| |
| CharSequence log = Log.enable("org.openide.util.Task", Level.FINER); |
| for (int i = 1; i < 10; i++) { |
| Task t = new Task (new R ()); |
| time = System.currentTimeMillis (); |
| t.waitFinished (1000); |
| time = System.currentTimeMillis () - time; |
| |
| assertFalse ("Still not finished", t.isFinished ()); |
| if (time >= 900 && time < 1100) { |
| return; |
| } |
| LOG.log(Level.INFO, "Round {0} took {1}", new Object[]{i, time}); |
| } |
| |
| fail ("Something wrong happened the task should wait for 1000ms but it took: " + time + "\n" + log); |
| } |
| |
| public void testWaitOnStrangeTaskThatStartsItsExecutionInOverridenWaitFinishedMethodLikeFolderInstancesDo () throws Exception { |
| class MyTask extends Task { |
| private int values; |
| |
| public MyTask () { |
| notifyFinished (); |
| } |
| |
| public void waitFinished () { |
| notifyRunning (); |
| values++; |
| notifyFinished (); |
| } |
| } |
| |
| MyTask my = new MyTask (); |
| assertTrue ("The task thinks that he is finished", my.isFinished ()); |
| assertTrue ("Ok, even with timeout we got the result", my.waitFinished (1000)); |
| assertEquals ("But the old waitFinished is called", 1, my.values); |
| } |
| |
| public void testWaitOnStrangeTaskThatTakesReallyLongTime () throws Exception { |
| class MyTask extends Task { |
| public MyTask () { |
| notifyFinished (); |
| } |
| |
| public void waitFinished () { |
| try { |
| Thread.sleep (5000); |
| } catch (InterruptedException ex) { |
| fail ("Should not happen"); |
| } |
| } |
| } |
| |
| MyTask my = new MyTask (); |
| assertTrue ("The task thinks that he is finished", my.isFinished ()); |
| assertFalse ("but still it get's called, but timeouts", my.waitFinished (1000)); |
| } |
| |
| final class R implements Runnable { |
| public synchronized void run () { |
| notify (); |
| try { |
| wait (); |
| } catch (InterruptedException ex) { |
| ex.printStackTrace(); |
| } |
| } |
| } |
| |
| /* |
| * see issue #130265 |
| */ |
| public void testWaitFinished0WaitsUntilFinished() throws Exception { |
| Task task = new Task(new Runnable() { |
| @Override |
| public void run() { |
| try { |
| Thread.sleep(5000); |
| } catch (InterruptedException ex) { |
| Exceptions.printStackTrace(ex); |
| } |
| } |
| }); |
| Thread thread = new Thread(task); |
| thread.start(); |
| task.waitFinished(0); |
| assertTrue ("Should be finished", task.isFinished()); |
| } |
| |
| static synchronized boolean canWait1s() throws Exception { |
| for (int i = 0; i < 5; i++) { |
| long before = System.currentTimeMillis(); |
| TaskTest.class.wait(1000); |
| long after = System.currentTimeMillis(); |
| |
| long delta = after - before; |
| |
| if (delta < 900 || delta > 1100) { |
| return false; |
| } |
| } |
| return true; |
| } |
| } |