test/tck/ScheduledExecutorTest.java

/*
 * Written by members of JCP JSR-166 Expert Group and released to the
 * public domain. Use, modify, and redistribute this code in any way
 * without acknowledgement. Other contributors include Andrew Wright,
 * Jeffrey Hayes, Pat Fischer, Mike Judd.
 */

import junit.framework.*;
import java.util.*;
import java.util.concurrent.*;

public class ScheduledExecutorTest extends JSR166TestCase {
    public static void main(String[] args) {
        junit.textui.TestRunner.run (suite());  
    }
    public static Test suite() {
        return new TestSuite(ScheduledExecutorTest.class);
    }

    static class MyRunnable implements Runnable {
        volatile boolean done = false;
        public void run() {
            try {
                Thread.sleep(SMALL_DELAY_MS);
                done = true;
            } catch(Exception e){
            }
        }
    }

    static class MyCallable implements Callable {
        volatile boolean done = false;
        public Object call() {
            try {
                Thread.sleep(SMALL_DELAY_MS);
                done = true;
            } catch(Exception e){
            }
            return Boolean.TRUE;
        }
    }

    /**
     *
     */
    public void testExecute() {
        try {
            MyRunnable runnable =new MyRunnable();
            ScheduledExecutor p1 = new ScheduledExecutor(1);
            p1.execute(runnable);
            assertFalse(runnable.done);
            Thread.sleep(SHORT_DELAY_MS);
            p1.shutdown();
            try {
                Thread.sleep(MEDIUM_DELAY_MS);
            } catch(InterruptedException e){
                unexpectedException();
            }
            assertTrue(runnable.done);
            p1.shutdown();
            joinPool(p1);
        }
        catch(Exception e){
            unexpectedException();
        }
        
    }

    /**
     *
     */
    public void testSchedule1() {
        try {
            MyCallable callable = new MyCallable();
            ScheduledExecutor p1 = new ScheduledExecutor(1);
            Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
            assertFalse(callable.done);
            Thread.sleep(MEDIUM_DELAY_MS);
            assertTrue(callable.done);
            assertEquals(Boolean.TRUE, f.get());
            p1.shutdown();
            joinPool(p1);
        } catch(RejectedExecutionException e){}
        catch(Exception e){
            unexpectedException();
        }
    }

    /**
     *  
     */
    public void testSchedule3() {
        try {
            MyRunnable runnable = new MyRunnable();
            ScheduledExecutor p1 = new ScheduledExecutor(1);
            p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
            Thread.sleep(SHORT_DELAY_MS);
            assertFalse(runnable.done);
            Thread.sleep(MEDIUM_DELAY_MS);
            assertTrue(runnable.done);
            p1.shutdown();
            joinPool(p1);
        } catch(Exception e){
            unexpectedException();
        }
    }
    
    /**
     *
     */
    public void testSchedule4() {
        try {
            MyRunnable runnable = new MyRunnable();
            ScheduledExecutor p1 = new ScheduledExecutor(1);
            p1.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
            assertFalse(runnable.done);
            Thread.sleep(MEDIUM_DELAY_MS);
            assertTrue(runnable.done);
            p1.shutdown();
            joinPool(p1);
        } catch(Exception e){
            unexpectedException();
        }
    }
    
   
    // exception tests

    /**
     *   schedule(Runnable, long) throws RejectedExecutionException
     *  This occurs on an attempt to schedule a task on a shutdown executor
     */
    public void testSchedule1_RejectedExecutionException() {
        ScheduledExecutor se = new ScheduledExecutor(1);
        try {
            se.shutdown();
            se.schedule(new NoOpRunnable(),
                        MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
            shouldThrow();
        } catch(RejectedExecutionException success){
        }
        joinPool(se);

    }

    /**
     *   schedule(Callable, long, TimeUnit) throws RejectedExecutionException
     *  This occurs on an attempt to schedule a task on a shutdown executor
     */
    public void testSchedule2_RejectedExecutionException() {
        ScheduledExecutor se = new ScheduledExecutor(1);
        try {
            se.shutdown();
            se.schedule(new NoOpCallable(),
                        MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
            shouldThrow();
        } catch(RejectedExecutionException success){
        }
        joinPool(se);
    }

    /**
     *   schedule(Callable, long) throws RejectedExecutionException
     *  This occurs on an attempt to schedule a task on a shutdown executor
     */
     public void testSchedule3_RejectedExecutionException() {
         ScheduledExecutor se = new ScheduledExecutor(1);
         try {
            se.shutdown();
            se.schedule(new NoOpCallable(),
                        MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
            shouldThrow();
        } catch(RejectedExecutionException success){
        } 
         joinPool(se);
    }

    /**
     *   scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws 
     *  RejectedExecutionException.
     *  This occurs on an attempt to schedule a task on a shutdown executor
     */
    public void testScheduleAtFixedRate1_RejectedExecutionException() {
        ScheduledExecutor se = new ScheduledExecutor(1);
        try {
            se.shutdown();
            se.scheduleAtFixedRate(new NoOpRunnable(),
                                   MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
            shouldThrow();
        } catch(RejectedExecutionException success){
        } 
        joinPool(se);
    }
    
    /**
     *   scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws 
     *  RejectedExecutionException.
     *  This occurs on an attempt to schedule a task on a shutdown executor
     */
    public void testScheduleAtFixedRate2_RejectedExecutionException() {
        ScheduledExecutor se = new ScheduledExecutor(1);
        try {
            se.shutdown();
            se.scheduleAtFixedRate(new NoOpRunnable(),
                                   1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
            shouldThrow();
        } catch(RejectedExecutionException success){
        } 
        joinPool(se);
    }

    /**
     *   scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws 
     *  RejectedExecutionException.
     *  This occurs on an attempt to schedule a task on a shutdown executor
     */
    public void testScheduleWithFixedDelay1_RejectedExecutionException() {
        ScheduledExecutor se = new ScheduledExecutor(1);
        try {
            se.shutdown();
            se.scheduleWithFixedDelay(new NoOpRunnable(),
                                      MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
            shouldThrow();
        } catch(RejectedExecutionException success){
        } 
        joinPool(se);
    }

    /**
     *   scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws 
     *  RejectedExecutionException.
     *  This occurs on an attempt to schedule a task on a shutdown executor
     */
     public void testScheduleWithFixedDelay2_RejectedExecutionException() {
         ScheduledExecutor se = new ScheduledExecutor(1);
        try {
            se.shutdown();
            se.scheduleWithFixedDelay(new NoOpRunnable(),
                                      1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
            shouldThrow();
        } catch(RejectedExecutionException success){
        } 
        joinPool(se);
    }

    /**
     *   execute throws RejectedExecutionException
     *  This occurs on an attempt to schedule a task on a shutdown executor
     */
    public void testExecute_RejectedExecutionException() {
        ScheduledExecutor se = new ScheduledExecutor(1);
        try {
            se.shutdown();
            se.execute(new NoOpRunnable());
            shouldThrow();
        } catch(RejectedExecutionException success){
        } 
        joinPool(se);
    }

    /**
     *   getActiveCount gives correct values
     */
    public void testGetActiveCount() {
        ScheduledExecutor p2 = new ScheduledExecutor(2);
        assertEquals(0, p2.getActiveCount());
        p2.execute(new SmallRunnable());
        try {
            Thread.sleep(SHORT_DELAY_MS);
        } catch(Exception e){
            unexpectedException();
        }
        assertEquals(1, p2.getActiveCount());
        joinPool(p2);
    }
    
    /**
     *   getCompleteTaskCount gives correct values
     */
    public void testGetCompletedTaskCount() {
        ScheduledExecutor p2 = new ScheduledExecutor(2);
        assertEquals(0, p2.getCompletedTaskCount());
        p2.execute(new SmallRunnable());
        try {
            Thread.sleep(MEDIUM_DELAY_MS);
        } catch(Exception e){
            unexpectedException();
        }
        assertEquals(1, p2.getCompletedTaskCount());
        joinPool(p2);
    }
    
    /**
     *   getCorePoolSize gives correct values
     */
    public void testGetCorePoolSize() {
        ScheduledExecutor p1 = new ScheduledExecutor(1);
        assertEquals(1, p1.getCorePoolSize());
        joinPool(p1);
    }
    
    /**
     *   getLargestPoolSize gives correct values
     */
    public void testGetLargestPoolSize() {
        ScheduledExecutor p2 = new ScheduledExecutor(2);
        assertEquals(0, p2.getLargestPoolSize());
        p2.execute(new SmallRunnable());
        p2.execute(new SmallRunnable());
        try {
            Thread.sleep(SHORT_DELAY_MS);
        } catch(Exception e){
            unexpectedException();
        }
        assertEquals(2, p2.getLargestPoolSize());
        joinPool(p2);
    }
    
    /**
     *   getPoolSize gives correct values
     */
    public void testGetPoolSize() {
        ScheduledExecutor p1 = new ScheduledExecutor(1);
        assertEquals(0, p1.getPoolSize());
        p1.execute(new SmallRunnable());
        assertEquals(1, p1.getPoolSize());
        joinPool(p1);
    }
    
    /**
     *   getTaskCount gives correct values
     */
    public void testGetTaskCount() {
        ScheduledExecutor p1 = new ScheduledExecutor(1);
        assertEquals(0, p1.getTaskCount());
        for(int i = 0; i < 5; i++)
            p1.execute(new SmallRunnable());
        try {
            Thread.sleep(SHORT_DELAY_MS);
        } catch(Exception e){
            unexpectedException();
        }
        assertEquals(5, p1.getTaskCount());
        joinPool(p1);
    }
    
    /**
     *   isShutDown gives correct values
     */
    public void testIsShutdown() {
        
        ScheduledExecutor p1 = new ScheduledExecutor(1);
        try {
            assertFalse(p1.isShutdown());
        }
        finally {
            p1.shutdown();
        }
        assertTrue(p1.isShutdown());
    }

        
    /**
     *  isTerminated gives correct values
     */
    public void testIsTerminated() {
        ScheduledExecutor p1 = new ScheduledExecutor(1);
        try {
            p1.execute(new SmallRunnable());
        } finally {
            p1.shutdown();
        }
        try {
            assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
            assertTrue(p1.isTerminated());
        } catch(Exception e){
            unexpectedException();
        }       
    }

    /**
     *  isTerminating gives correct values
     */
    public void testIsTerminating() {
        ScheduledExecutor p1 = new ScheduledExecutor(1);
        assertFalse(p1.isTerminating());
        try {
            p1.execute(new SmallRunnable());
            assertFalse(p1.isTerminating());
        } finally {
            p1.shutdown();
        }
        try {
            assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
            assertTrue(p1.isTerminated());
            assertFalse(p1.isTerminating());
        } catch(Exception e){
            unexpectedException();
        }       
    }

    /**
     *   that purge correctly removes cancelled tasks
     *  from the queue
     */
    public void testPurge() {
        ScheduledExecutor p1 = new ScheduledExecutor(1);
        ScheduledCancellable[] tasks = new ScheduledCancellable[5];
        for(int i = 0; i < 5; i++){
            tasks[i] = p1.schedule(new SmallRunnable(), 1, TimeUnit.MILLISECONDS);
        }
        int max = 5;
        if (tasks[4].cancel(true)) --max;
        if (tasks[3].cancel(true)) --max;
        p1.purge();
        long count = p1.getTaskCount();
        assertTrue(count > 0 && count <= max);
        joinPool(p1);
    }

    /**
     *   shutDownNow returns a list
     *  containing the correct number of elements
     */
    public void testShutDownNow() {
        ScheduledExecutor p1 = new ScheduledExecutor(1);
        for(int i = 0; i < 5; i++)
            p1.schedule(new SmallRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
        List l = p1.shutdownNow();
        assertTrue(p1.isShutdown());
        assertTrue(l.size() > 0 && l.size() <= 5);
        joinPool(p1);
    }

    /**
     *
     */
    public void testShutDown1() {
        try {
            ScheduledExecutor p1 = new ScheduledExecutor(1);
            assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
            assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());

            ScheduledCancellable[] tasks = new ScheduledCancellable[5];
            for(int i = 0; i < 5; i++)
                tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
            p1.shutdown();
            BlockingQueue q = p1.getQueue();
            for (Iterator it = q.iterator(); it.hasNext();) {
                ScheduledCancellable t = (ScheduledCancellable)it.next();
                assertFalse(t.isCancelled());
            }
            assertTrue(p1.isShutdown());
            Thread.sleep(SMALL_DELAY_MS);
            for (int i = 0; i < 5; ++i) {
                assertTrue(tasks[i].isDone());
                assertFalse(tasks[i].isCancelled());
            }
            
        }
        catch(Exception ex) {
            unexpectedException();
        }
    }


    /**
     *
     */
    public void testShutDown2() {
        try {
            ScheduledExecutor p1 = new ScheduledExecutor(1);
            p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
            ScheduledCancellable[] tasks = new ScheduledCancellable[5];
            for(int i = 0; i < 5; i++)
                tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
            p1.shutdown();
            assertTrue(p1.isShutdown());
            BlockingQueue q = p1.getQueue();
            assertTrue(q.isEmpty());
            Thread.sleep(SMALL_DELAY_MS);
            assertTrue(p1.isTerminated());
        }
        catch(Exception ex) {
            unexpectedException();
        }
    }


    /**
     *
     */
    public void testShutDown3() {
        try {
            ScheduledExecutor p1 = new ScheduledExecutor(1);
            p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
            ScheduledCancellable task =
                p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
            p1.shutdown();
            assertTrue(p1.isShutdown());
            BlockingQueue q = p1.getQueue();
            assertTrue(q.isEmpty());
            Thread.sleep(SHORT_DELAY_MS);
            assertTrue(p1.isTerminated());
        }
        catch(Exception ex) {
            unexpectedException();
        }
    }

    /**
     *
     */
    public void testShutDown4() {
        ScheduledExecutor p1 = new ScheduledExecutor(1);
        try {
            p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
            ScheduledCancellable task =
                p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
            assertFalse(task.isCancelled());
            p1.shutdown();
            assertFalse(task.isCancelled());
            assertFalse(p1.isTerminated());
            assertTrue(p1.isShutdown());
            Thread.sleep(SHORT_DELAY_MS);
            assertFalse(task.isCancelled());
            task.cancel(true);
            assertTrue(task.isCancelled());
            Thread.sleep(SHORT_DELAY_MS);
            assertTrue(p1.isTerminated());
        }
        catch(Exception ex) {
            unexpectedException();
        }
        finally {
            p1.shutdownNow();
        }
    }

}
Revision:	1.5
Committed:	Sat Sep 20 18:20:08 2003 UTC (20 years, 7 months ago) by dl
Branch:	MAIN
Changes since 1.4:	+208 -170 lines
Log Message:	Documentation scaffolding
#	User	Rev	Content
1	dl	1.1	/*
2			* Written by members of JCP JSR-166 Expert Group and released to the
3			* public domain. Use, modify, and redistribute this code in any way
4			* without acknowledgement. Other contributors include Andrew Wright,
5			* Jeffrey Hayes, Pat Fischer, Mike Judd.
6			*/
7
8			import junit.framework.*;
9			import java.util.*;
10			import java.util.concurrent.*;
11
12	dl	1.4	public class ScheduledExecutorTest extends JSR166TestCase {
13	dl	1.1	public static void main(String[] args) {
14			junit.textui.TestRunner.run (suite());
15			}
16			public static Test suite() {
17			return new TestSuite(ScheduledExecutorTest.class);
18			}
19
20			static class MyRunnable implements Runnable {
21			volatile boolean done = false;
22	dl	1.5	public void run() {
23			try {
24	dl	1.4	Thread.sleep(SMALL_DELAY_MS);
25	dl	1.1	done = true;
26	dl	1.2	} catch(Exception e){
27			}
28	dl	1.1	}
29			}
30
31			static class MyCallable implements Callable {
32			volatile boolean done = false;
33	dl	1.5	public Object call() {
34			try {
35	dl	1.4	Thread.sleep(SMALL_DELAY_MS);
36	dl	1.1	done = true;
37	dl	1.5	} catch(Exception e){
38			}
39	dl	1.1	return Boolean.TRUE;
40			}
41			}
42
43	dl	1.5	/**
44			*
45			*/
46			public void testExecute() {
47			try {
48	dl	1.1	MyRunnable runnable =new MyRunnable();
49	dl	1.5	ScheduledExecutor p1 = new ScheduledExecutor(1);
50			p1.execute(runnable);
51	dl	1.4	assertFalse(runnable.done);
52			Thread.sleep(SHORT_DELAY_MS);
53	dl	1.5	p1.shutdown();
54			try {
55	dl	1.2	Thread.sleep(MEDIUM_DELAY_MS);
56			} catch(InterruptedException e){
57	dl	1.5	unexpectedException();
58	dl	1.2	}
59	dl	1.1	assertTrue(runnable.done);
60	dl	1.5	p1.shutdown();
61			joinPool(p1);
62	dl	1.1	}
63			catch(Exception e){
64	dl	1.5	unexpectedException();
65	dl	1.1	}
66	dl	1.4
67	dl	1.1	}
68
69	dl	1.5	/**
70			*
71			*/
72			public void testSchedule1() {
73			try {
74	dl	1.1	MyCallable callable = new MyCallable();
75	dl	1.5	ScheduledExecutor p1 = new ScheduledExecutor(1);
76			Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
77	dl	1.4	assertFalse(callable.done);
78	dl	1.2	Thread.sleep(MEDIUM_DELAY_MS);
79	dl	1.1	assertTrue(callable.done);
80			assertEquals(Boolean.TRUE, f.get());
81	dl	1.5	p1.shutdown();
82			joinPool(p1);
83			} catch(RejectedExecutionException e){}
84	dl	1.2	catch(Exception e){
85	dl	1.5	unexpectedException();
86	dl	1.2	}
87	dl	1.1	}
88
89			/**
90	dl	1.5	*
91	dl	1.1	*/
92	dl	1.5	public void testSchedule3() {
93			try {
94	dl	1.1	MyRunnable runnable = new MyRunnable();
95	dl	1.5	ScheduledExecutor p1 = new ScheduledExecutor(1);
96			p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
97	dl	1.4	Thread.sleep(SHORT_DELAY_MS);
98			assertFalse(runnable.done);
99	dl	1.2	Thread.sleep(MEDIUM_DELAY_MS);
100	dl	1.1	assertTrue(runnable.done);
101	dl	1.5	p1.shutdown();
102			joinPool(p1);
103	dl	1.1	} catch(Exception e){
104	dl	1.5	unexpectedException();
105	dl	1.1	}
106			}
107
108			/**
109	dl	1.5	*
110	dl	1.1	*/
111	dl	1.5	public void testSchedule4() {
112			try {
113	dl	1.1	MyRunnable runnable = new MyRunnable();
114	dl	1.5	ScheduledExecutor p1 = new ScheduledExecutor(1);
115			p1.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
116	dl	1.4	assertFalse(runnable.done);
117	dl	1.2	Thread.sleep(MEDIUM_DELAY_MS);
118	dl	1.1	assertTrue(runnable.done);
119	dl	1.5	p1.shutdown();
120			joinPool(p1);
121	dl	1.1	} catch(Exception e){
122	dl	1.5	unexpectedException();
123	dl	1.1	}
124			}
125
126
127			// exception tests
128
129			/**
130	dl	1.4	* schedule(Runnable, long) throws RejectedExecutionException
131	dl	1.1	* This occurs on an attempt to schedule a task on a shutdown executor
132			*/
133	dl	1.5	public void testSchedule1_RejectedExecutionException() {
134	dl	1.4	ScheduledExecutor se = new ScheduledExecutor(1);
135	dl	1.5	try {
136	dl	1.1	se.shutdown();
137	dl	1.4	se.schedule(new NoOpRunnable(),
138			MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
139	dl	1.5	shouldThrow();
140	dl	1.4	} catch(RejectedExecutionException success){
141			}
142			joinPool(se);
143
144	dl	1.1	}
145
146			/**
147	dl	1.4	* schedule(Callable, long, TimeUnit) throws RejectedExecutionException
148	dl	1.1	* This occurs on an attempt to schedule a task on a shutdown executor
149			*/
150	dl	1.5	public void testSchedule2_RejectedExecutionException() {
151	dl	1.4	ScheduledExecutor se = new ScheduledExecutor(1);
152	dl	1.5	try {
153	dl	1.1	se.shutdown();
154	dl	1.4	se.schedule(new NoOpCallable(),
155			MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
156	dl	1.5	shouldThrow();
157	dl	1.4	} catch(RejectedExecutionException success){
158			}
159			joinPool(se);
160	dl	1.1	}
161
162			/**
163	dl	1.4	* schedule(Callable, long) throws RejectedExecutionException
164	dl	1.1	* This occurs on an attempt to schedule a task on a shutdown executor
165			*/
166	dl	1.5	public void testSchedule3_RejectedExecutionException() {
167	dl	1.4	ScheduledExecutor se = new ScheduledExecutor(1);
168	dl	1.5	try {
169	dl	1.1	se.shutdown();
170	dl	1.4	se.schedule(new NoOpCallable(),
171			MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
172	dl	1.5	shouldThrow();
173	dl	1.4	} catch(RejectedExecutionException success){
174			}
175			joinPool(se);
176	dl	1.1	}
177
178			/**
179	dl	1.4	* scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
180	dl	1.1	* RejectedExecutionException.
181			* This occurs on an attempt to schedule a task on a shutdown executor
182			*/
183	dl	1.5	public void testScheduleAtFixedRate1_RejectedExecutionException() {
184	dl	1.4	ScheduledExecutor se = new ScheduledExecutor(1);
185	dl	1.5	try {
186	dl	1.1	se.shutdown();
187	dl	1.4	se.scheduleAtFixedRate(new NoOpRunnable(),
188			MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
189	dl	1.5	shouldThrow();
190	dl	1.4	} catch(RejectedExecutionException success){
191			}
192			joinPool(se);
193	dl	1.1	}
194
195			/**
196	dl	1.4	* scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
197	dl	1.1	* RejectedExecutionException.
198			* This occurs on an attempt to schedule a task on a shutdown executor
199			*/
200	dl	1.5	public void testScheduleAtFixedRate2_RejectedExecutionException() {
201	dl	1.4	ScheduledExecutor se = new ScheduledExecutor(1);
202	dl	1.5	try {
203	dl	1.1	se.shutdown();
204	dl	1.4	se.scheduleAtFixedRate(new NoOpRunnable(),
205			1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
206	dl	1.5	shouldThrow();
207	dl	1.4	} catch(RejectedExecutionException success){
208			}
209			joinPool(se);
210	dl	1.1	}
211
212			/**
213	dl	1.4	* scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws
214	dl	1.1	* RejectedExecutionException.
215			* This occurs on an attempt to schedule a task on a shutdown executor
216			*/
217	dl	1.5	public void testScheduleWithFixedDelay1_RejectedExecutionException() {
218	dl	1.4	ScheduledExecutor se = new ScheduledExecutor(1);
219	dl	1.5	try {
220	dl	1.1	se.shutdown();
221	dl	1.4	se.scheduleWithFixedDelay(new NoOpRunnable(),
222			MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
223	dl	1.5	shouldThrow();
224	dl	1.4	} catch(RejectedExecutionException success){
225			}
226			joinPool(se);
227	dl	1.1	}
228
229			/**
230	dl	1.4	* scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws
231	dl	1.1	* RejectedExecutionException.
232			* This occurs on an attempt to schedule a task on a shutdown executor
233			*/
234	dl	1.5	public void testScheduleWithFixedDelay2_RejectedExecutionException() {
235	dl	1.4	ScheduledExecutor se = new ScheduledExecutor(1);
236	dl	1.5	try {
237	dl	1.1	se.shutdown();
238	dl	1.4	se.scheduleWithFixedDelay(new NoOpRunnable(),
239			1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
240	dl	1.5	shouldThrow();
241	dl	1.4	} catch(RejectedExecutionException success){
242			}
243			joinPool(se);
244	dl	1.1	}
245
246			/**
247	dl	1.4	* execute throws RejectedExecutionException
248	dl	1.1	* This occurs on an attempt to schedule a task on a shutdown executor
249			*/
250	dl	1.5	public void testExecute_RejectedExecutionException() {
251	dl	1.4	ScheduledExecutor se = new ScheduledExecutor(1);
252	dl	1.5	try {
253	dl	1.1	se.shutdown();
254	dl	1.4	se.execute(new NoOpRunnable());
255	dl	1.5	shouldThrow();
256	dl	1.4	} catch(RejectedExecutionException success){
257			}
258			joinPool(se);
259	dl	1.2	}
260
261			/**
262	dl	1.4	* getActiveCount gives correct values
263	dl	1.2	*/
264	dl	1.5	public void testGetActiveCount() {
265			ScheduledExecutor p2 = new ScheduledExecutor(2);
266			assertEquals(0, p2.getActiveCount());
267			p2.execute(new SmallRunnable());
268			try {
269	dl	1.4	Thread.sleep(SHORT_DELAY_MS);
270			} catch(Exception e){
271	dl	1.5	unexpectedException();
272	dl	1.2	}
273	dl	1.5	assertEquals(1, p2.getActiveCount());
274			joinPool(p2);
275	dl	1.2	}
276
277			/**
278	dl	1.4	* getCompleteTaskCount gives correct values
279	dl	1.2	*/
280	dl	1.5	public void testGetCompletedTaskCount() {
281			ScheduledExecutor p2 = new ScheduledExecutor(2);
282			assertEquals(0, p2.getCompletedTaskCount());
283			p2.execute(new SmallRunnable());
284			try {
285	dl	1.4	Thread.sleep(MEDIUM_DELAY_MS);
286			} catch(Exception e){
287	dl	1.5	unexpectedException();
288	dl	1.2	}
289	dl	1.5	assertEquals(1, p2.getCompletedTaskCount());
290			joinPool(p2);
291	dl	1.2	}
292
293			/**
294	dl	1.4	* getCorePoolSize gives correct values
295	dl	1.2	*/
296	dl	1.5	public void testGetCorePoolSize() {
297			ScheduledExecutor p1 = new ScheduledExecutor(1);
298			assertEquals(1, p1.getCorePoolSize());
299			joinPool(p1);
300	dl	1.2	}
301
302			/**
303	dl	1.4	* getLargestPoolSize gives correct values
304	dl	1.2	*/
305	dl	1.5	public void testGetLargestPoolSize() {
306			ScheduledExecutor p2 = new ScheduledExecutor(2);
307			assertEquals(0, p2.getLargestPoolSize());
308			p2.execute(new SmallRunnable());
309			p2.execute(new SmallRunnable());
310			try {
311	dl	1.4	Thread.sleep(SHORT_DELAY_MS);
312			} catch(Exception e){
313	dl	1.5	unexpectedException();
314	dl	1.2	}
315	dl	1.5	assertEquals(2, p2.getLargestPoolSize());
316			joinPool(p2);
317	dl	1.2	}
318
319			/**
320	dl	1.4	* getPoolSize gives correct values
321	dl	1.2	*/
322	dl	1.5	public void testGetPoolSize() {
323			ScheduledExecutor p1 = new ScheduledExecutor(1);
324			assertEquals(0, p1.getPoolSize());
325			p1.execute(new SmallRunnable());
326			assertEquals(1, p1.getPoolSize());
327			joinPool(p1);
328	dl	1.2	}
329
330			/**
331	dl	1.4	* getTaskCount gives correct values
332	dl	1.2	*/
333	dl	1.5	public void testGetTaskCount() {
334			ScheduledExecutor p1 = new ScheduledExecutor(1);
335			assertEquals(0, p1.getTaskCount());
336	dl	1.4	for(int i = 0; i < 5; i++)
337	dl	1.5	p1.execute(new SmallRunnable());
338			try {
339	dl	1.4	Thread.sleep(SHORT_DELAY_MS);
340			} catch(Exception e){
341	dl	1.5	unexpectedException();
342	dl	1.2	}
343	dl	1.5	assertEquals(5, p1.getTaskCount());
344			joinPool(p1);
345	dl	1.2	}
346
347			/**
348	dl	1.4	* isShutDown gives correct values
349	dl	1.2	*/
350	dl	1.5	public void testIsShutdown() {
351	dl	1.2
352	dl	1.5	ScheduledExecutor p1 = new ScheduledExecutor(1);
353	dl	1.2	try {
354	dl	1.5	assertFalse(p1.isShutdown());
355	dl	1.2	}
356			finally {
357	dl	1.5	p1.shutdown();
358	dl	1.2	}
359	dl	1.5	assertTrue(p1.isShutdown());
360	dl	1.2	}
361
362
363			/**
364	dl	1.5	* isTerminated gives correct values
365	dl	1.2	*/
366	dl	1.5	public void testIsTerminated() {
367			ScheduledExecutor p1 = new ScheduledExecutor(1);
368	dl	1.2	try {
369	dl	1.5	p1.execute(new SmallRunnable());
370	dl	1.2	} finally {
371	dl	1.5	p1.shutdown();
372	dl	1.2	}
373	dl	1.4	try {
374	dl	1.5	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
375			assertTrue(p1.isTerminated());
376	dl	1.2	} catch(Exception e){
377	dl	1.5	unexpectedException();
378			}
379			}
380
381			/**
382			* isTerminating gives correct values
383			*/
384			public void testIsTerminating() {
385			ScheduledExecutor p1 = new ScheduledExecutor(1);
386			assertFalse(p1.isTerminating());
387			try {
388			p1.execute(new SmallRunnable());
389			assertFalse(p1.isTerminating());
390			} finally {
391			p1.shutdown();
392			}
393			try {
394			assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
395			assertTrue(p1.isTerminated());
396			assertFalse(p1.isTerminating());
397			} catch(Exception e){
398			unexpectedException();
399	dl	1.2	}
400			}
401
402			/**
403	dl	1.4	* that purge correctly removes cancelled tasks
404	dl	1.2	* from the queue
405			*/
406	dl	1.5	public void testPurge() {
407			ScheduledExecutor p1 = new ScheduledExecutor(1);
408	dl	1.4	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
409			for(int i = 0; i < 5; i++){
410	dl	1.5	tasks[i] = p1.schedule(new SmallRunnable(), 1, TimeUnit.MILLISECONDS);
411	dl	1.2	}
412	dl	1.4	int max = 5;
413			if (tasks[4].cancel(true)) --max;
414			if (tasks[3].cancel(true)) --max;
415	dl	1.5	p1.purge();
416			long count = p1.getTaskCount();
417	dl	1.4	assertTrue(count > 0 && count <= max);
418	dl	1.5	joinPool(p1);
419	dl	1.2	}
420
421			/**
422	dl	1.4	* shutDownNow returns a list
423	dl	1.2	* containing the correct number of elements
424			*/
425	dl	1.5	public void testShutDownNow() {
426			ScheduledExecutor p1 = new ScheduledExecutor(1);
427	dl	1.2	for(int i = 0; i < 5; i++)
428	dl	1.5	p1.schedule(new SmallRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
429			List l = p1.shutdownNow();
430			assertTrue(p1.isShutdown());
431	dl	1.2	assertTrue(l.size() > 0 && l.size() <= 5);
432	dl	1.5	joinPool(p1);
433	dl	1.2	}
434
435	dl	1.5	/**
436			*
437			*/
438			public void testShutDown1() {
439	dl	1.2	try {
440	dl	1.5	ScheduledExecutor p1 = new ScheduledExecutor(1);
441			assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
442			assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
443	dl	1.2
444			ScheduledCancellable[] tasks = new ScheduledCancellable[5];
445			for(int i = 0; i < 5; i++)
446	dl	1.5	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
447			p1.shutdown();
448			BlockingQueue q = p1.getQueue();
449	dl	1.2	for (Iterator it = q.iterator(); it.hasNext();) {
450			ScheduledCancellable t = (ScheduledCancellable)it.next();
451			assertFalse(t.isCancelled());
452			}
453	dl	1.5	assertTrue(p1.isShutdown());
454	dl	1.4	Thread.sleep(SMALL_DELAY_MS);
455	dl	1.2	for (int i = 0; i < 5; ++i) {
456			assertTrue(tasks[i].isDone());
457			assertFalse(tasks[i].isCancelled());
458			}
459
460			}
461			catch(Exception ex) {
462	dl	1.5	unexpectedException();
463	dl	1.2	}
464			}
465
466
467	dl	1.5	/**
468			*
469			*/
470			public void testShutDown2() {
471	dl	1.2	try {
472	dl	1.5	ScheduledExecutor p1 = new ScheduledExecutor(1);
473			p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
474	dl	1.2	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
475			for(int i = 0; i < 5; i++)
476	dl	1.5	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
477			p1.shutdown();
478			assertTrue(p1.isShutdown());
479			BlockingQueue q = p1.getQueue();
480	dl	1.2	assertTrue(q.isEmpty());
481	dl	1.4	Thread.sleep(SMALL_DELAY_MS);
482	dl	1.5	assertTrue(p1.isTerminated());
483	dl	1.2	}
484			catch(Exception ex) {
485	dl	1.5	unexpectedException();
486	dl	1.2	}
487			}
488
489
490	dl	1.5	/**
491			*
492			*/
493			public void testShutDown3() {
494	dl	1.2	try {
495	dl	1.5	ScheduledExecutor p1 = new ScheduledExecutor(1);
496			p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
497	dl	1.2	ScheduledCancellable task =
498	dl	1.5	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
499			p1.shutdown();
500			assertTrue(p1.isShutdown());
501			BlockingQueue q = p1.getQueue();
502	dl	1.2	assertTrue(q.isEmpty());
503			Thread.sleep(SHORT_DELAY_MS);
504	dl	1.5	assertTrue(p1.isTerminated());
505	dl	1.2	}
506			catch(Exception ex) {
507	dl	1.5	unexpectedException();
508	dl	1.2	}
509			}
510
511	dl	1.5	/**
512			*
513			*/
514			public void testShutDown4() {
515			ScheduledExecutor p1 = new ScheduledExecutor(1);
516	dl	1.2	try {
517	dl	1.5	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
518	dl	1.2	ScheduledCancellable task =
519	dl	1.5	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
520	dl	1.2	assertFalse(task.isCancelled());
521	dl	1.5	p1.shutdown();
522	dl	1.2	assertFalse(task.isCancelled());
523	dl	1.5	assertFalse(p1.isTerminated());
524			assertTrue(p1.isShutdown());
525	dl	1.2	Thread.sleep(SHORT_DELAY_MS);
526			assertFalse(task.isCancelled());
527			task.cancel(true);
528			assertTrue(task.isCancelled());
529			Thread.sleep(SHORT_DELAY_MS);
530	dl	1.5	assertTrue(p1.isTerminated());
531	dl	1.2	}
532			catch(Exception ex) {
533	dl	1.5	unexpectedException();
534	dl	1.2	}
535			finally {
536	dl	1.5	p1.shutdownNow();
537	dl	1.2	}
538	dl	1.1	}
539
540			}