test/tck/ExecutorsTest.java

/*
 * Written by Doug Lea with assistance from members of JCP JSR-166
 * Expert Group and released to the public domain, as explained at
 * http://creativecommons.org/licenses/publicdomain
 * Other contributors include Andrew Wright, Jeffrey Hayes,
 * Pat Fisher, Mike Judd.
 */


import junit.framework.*;
import java.util.*;
import java.util.concurrent.*;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import java.math.BigInteger;
import java.security.*;

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

    /**
     * A newCachedThreadPool can execute runnables
     */
    public void testNewCachedThreadPool1() {
        ExecutorService e = Executors.newCachedThreadPool();
        e.execute(new NoOpRunnable());
        e.execute(new NoOpRunnable());
        e.execute(new NoOpRunnable());
        joinPool(e);
    }

    /**
     * A newCachedThreadPool with given ThreadFactory can execute runnables
     */
    public void testNewCachedThreadPool2() {
        ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory());
        e.execute(new NoOpRunnable());
        e.execute(new NoOpRunnable());
        e.execute(new NoOpRunnable());
        joinPool(e);
    }

    /**
     * A newCachedThreadPool with null ThreadFactory throws NPE
     */
    public void testNewCachedThreadPool3() {
        try {
            ExecutorService e = Executors.newCachedThreadPool(null);
            shouldThrow();
        } catch (NullPointerException success) {}
    }


    /**
     * A new SingleThreadExecutor can execute runnables
     */
    public void testNewSingleThreadExecutor1() {
        ExecutorService e = Executors.newSingleThreadExecutor();
        e.execute(new NoOpRunnable());
        e.execute(new NoOpRunnable());
        e.execute(new NoOpRunnable());
        joinPool(e);
    }

    /**
     * A new SingleThreadExecutor with given ThreadFactory can execute runnables
     */
    public void testNewSingleThreadExecutor2() {
        ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory());
        e.execute(new NoOpRunnable());
        e.execute(new NoOpRunnable());
        e.execute(new NoOpRunnable());
        joinPool(e);
    }

    /**
     * A new SingleThreadExecutor with null ThreadFactory throws NPE
     */
    public void testNewSingleThreadExecutor3() {
        try {
            ExecutorService e = Executors.newSingleThreadExecutor(null);
            shouldThrow();
        } catch (NullPointerException success) {}
    }

    /**
     * A new SingleThreadExecutor cannot be casted to concrete implementation
     */
    public void testCastNewSingleThreadExecutor() {
        ExecutorService e = Executors.newSingleThreadExecutor();
        try {
            ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
            shouldThrow();
        } catch (ClassCastException success) {
        } finally {
            joinPool(e);
        }
    }


    /**
     * A new newFixedThreadPool can execute runnables
     */
    public void testNewFixedThreadPool1() {
        ExecutorService e = Executors.newFixedThreadPool(2);
        e.execute(new NoOpRunnable());
        e.execute(new NoOpRunnable());
        e.execute(new NoOpRunnable());
        joinPool(e);
    }

    /**
     * A new newFixedThreadPool with given ThreadFactory can execute runnables
     */
    public void testNewFixedThreadPool2() {
        ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory());
        e.execute(new NoOpRunnable());
        e.execute(new NoOpRunnable());
        e.execute(new NoOpRunnable());
        joinPool(e);
    }

    /**
     * A new newFixedThreadPool with null ThreadFactory throws NPE
     */
    public void testNewFixedThreadPool3() {
        try {
            ExecutorService e = Executors.newFixedThreadPool(2, null);
            shouldThrow();
        } catch (NullPointerException success) {}
    }

    /**
     * A new newFixedThreadPool with 0 threads throws IAE
     */
    public void testNewFixedThreadPool4() {
        try {
            ExecutorService e = Executors.newFixedThreadPool(0);
            shouldThrow();
        } catch (IllegalArgumentException success) {}
    }


    /**
     * An unconfigurable newFixedThreadPool can execute runnables
     */
    public void testunconfigurableExecutorService() {
        ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
        e.execute(new NoOpRunnable());
        e.execute(new NoOpRunnable());
        e.execute(new NoOpRunnable());
        joinPool(e);
    }

    /**
     * unconfigurableExecutorService(null) throws NPE
     */
    public void testunconfigurableExecutorServiceNPE() {
        try {
            ExecutorService e = Executors.unconfigurableExecutorService(null);
            shouldThrow();
        } catch (NullPointerException success) {}
    }

    /**
     * unconfigurableScheduledExecutorService(null) throws NPE
     */
    public void testunconfigurableScheduledExecutorServiceNPE() {
        try {
            ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
            shouldThrow();
        } catch (NullPointerException success) {}
    }


    /**
     * a newSingleThreadScheduledExecutor successfully runs delayed task
     */
    public void testNewSingleThreadScheduledExecutor() throws Exception {
        TrackedCallable callable = new TrackedCallable();
        ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor();
        Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
        assertFalse(callable.done);
        Thread.sleep(MEDIUM_DELAY_MS);
        assertTrue(callable.done);
        assertEquals(Boolean.TRUE, f.get());
        joinPool(p1);
    }

    /**
     * a newScheduledThreadPool successfully runs delayed task
     */
    public void testnewScheduledThreadPool() throws Exception {
        TrackedCallable callable = new TrackedCallable();
        ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2);
        Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
        assertFalse(callable.done);
        Thread.sleep(MEDIUM_DELAY_MS);
        assertTrue(callable.done);
        assertEquals(Boolean.TRUE, f.get());
        joinPool(p1);
    }

    /**
     * an unconfigurable newScheduledThreadPool successfully runs delayed task
     */
    public void testunconfigurableScheduledExecutorService() throws Exception {
        TrackedCallable callable = new TrackedCallable();
        ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2));
        Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
        assertFalse(callable.done);
        Thread.sleep(MEDIUM_DELAY_MS);
        assertTrue(callable.done);
        assertEquals(Boolean.TRUE, f.get());
        joinPool(p1);
    }

    /**
     *  Future.get on submitted tasks will time out if they compute too long.
     */
    public void testTimedCallable() throws Exception {
        final Runnable sleeper =
            new RunnableShouldThrow(InterruptedException.class) {
                public void realRun() throws InterruptedException {
                    Thread.sleep(LONG_DELAY_MS);
                }};
        for (ExecutorService executor :
                 new ExecutorService[] {
                     Executors.newSingleThreadExecutor(),
                     Executors.newCachedThreadPool(),
                     Executors.newFixedThreadPool(2),
                     Executors.newScheduledThreadPool(2),
                 }) {
            try {
                Future future = executor.submit(sleeper);
                try {
                    future.get(SHORT_DELAY_MS, MILLISECONDS);
                    shouldThrow();
                } catch (TimeoutException success) {
                } finally {
                    future.cancel(true);
                }
            }
            finally {
                joinPool(executor);
            }
        }
    }


    /**
     * ThreadPoolExecutor using defaultThreadFactory has
     * specified group, priority, daemon status, and name
     */
    public void testDefaultThreadFactory() throws Exception {
        final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
        Runnable r = new CheckedRunnable() {
            public void realRun() {
                try {
                    Thread current = Thread.currentThread();
                    assertTrue(!current.isDaemon());
                    assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
                    ThreadGroup g = current.getThreadGroup();
                    SecurityManager s = System.getSecurityManager();
                    if (s != null)
                        assertTrue(g == s.getThreadGroup());
                    else
                        assertTrue(g == egroup);
                    String name = current.getName();
                    assertTrue(name.endsWith("thread-1"));
                } catch (SecurityException ok) {
                    // Also pass if not allowed to change setting
                }
            }};
        ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());

        e.execute(r);
        try {
            e.shutdown();
        } catch (SecurityException ok) {
        }

        try {
            Thread.sleep(SHORT_DELAY_MS);
        } finally {
            joinPool(e);
        }
    }

    /**
     * ThreadPoolExecutor using privilegedThreadFactory has
     * specified group, priority, daemon status, name,
     * access control context and context class loader
     */
    public void testPrivilegedThreadFactory() throws Exception {
        Runnable r = new CheckedRunnable() {
            public void realRun() throws Exception {
                final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
                final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
                final AccessControlContext thisacc = AccessController.getContext();
                Runnable r = new CheckedRunnable() {
                    public void realRun() {
                        Thread current = Thread.currentThread();
                        assertTrue(!current.isDaemon());
                        assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
                        ThreadGroup g = current.getThreadGroup();
                        SecurityManager s = System.getSecurityManager();
                        if (s != null)
                            assertTrue(g == s.getThreadGroup());
                        else
                            assertTrue(g == egroup);
                        String name = current.getName();
                        assertTrue(name.endsWith("thread-1"));
                        assertSame(thisccl, current.getContextClassLoader());
                        assertEquals(thisacc, AccessController.getContext());
                    }};
                ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
                e.execute(r);
                e.shutdown();
                Thread.sleep(SHORT_DELAY_MS);
                joinPool(e);
            }};

        runWithPermissions(r,
                           new RuntimePermission("getClassLoader"),
                           new RuntimePermission("setContextClassLoader"),
                           new RuntimePermission("modifyThread"));
    }

    boolean haveCCLPermissions() {
        SecurityManager sm = System.getSecurityManager();
        if (sm != null) {
            try {
                sm.checkPermission(new RuntimePermission("setContextClassLoader"));
                sm.checkPermission(new RuntimePermission("getClassLoader"));
            } catch (AccessControlException e) {
                return false;
            }
        }
        return true;
    }

    void checkCCL() {
        SecurityManager sm = System.getSecurityManager();
        if (sm != null) {
            sm.checkPermission(new RuntimePermission("setContextClassLoader"));
            sm.checkPermission(new RuntimePermission("getClassLoader"));
        }
    }

    class CheckCCL implements Callable<Object> {
        public Object call() {
            checkCCL();
            return null;
        }
    }


    /**
     * Without class loader permissions, creating
     * privilegedCallableUsingCurrentClassLoader throws ACE
     */
    public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
        Runnable r = new CheckedRunnable() {
            public void realRun() throws Exception {
                if (System.getSecurityManager() == null)
                    return;
                try {
                    Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
                    shouldThrow();
                } catch (AccessControlException success) {}
            }};

        runWithoutPermissions(r);
    }

    /**
     * With class loader permissions, calling
     * privilegedCallableUsingCurrentClassLoader does not throw ACE
     */
    public void testprivilegedCallableUsingCCLWithPrivs() throws Exception {
        Runnable r = new CheckedRunnable() {
            public void realRun() throws Exception {
                Executors.privilegedCallableUsingCurrentClassLoader
                    (new NoOpCallable())
                    .call();
            }};

        runWithPermissions(r,
                           new RuntimePermission("getClassLoader"),
                           new RuntimePermission("setContextClassLoader"));
    }

    /**
     * Without permissions, calling privilegedCallable throws ACE
     */
    public void testprivilegedCallableWithNoPrivs() throws Exception {
        Runnable r = new CheckedRunnable() {
            public void realRun() throws Exception {
                if (System.getSecurityManager() == null)
                    return;
                Callable task = Executors.privilegedCallable(new CheckCCL());
                try {
                    task.call();
                    shouldThrow();
                } catch (AccessControlException success) {}
            }};

        runWithoutPermissions(r);

        // It seems rather difficult to test that the
        // AccessControlContext of the privilegedCallable is used
        // instead of its caller.  Below is a failed attempt to do
        // that, which does not work because the AccessController
        // cannot capture the internal state of the current Policy.
        // It would be much more work to differentiate based on,
        // e.g. CodeSource.

//         final AccessControlContext[] noprivAcc = new AccessControlContext[1];
//         final Callable[] task = new Callable[1];

//         runWithPermissions
//             (new CheckedRunnable() {
//                 public void realRun() {
//                     if (System.getSecurityManager() == null)
//                         return;
//                     noprivAcc[0] = AccessController.getContext();
//                     task[0] = Executors.privilegedCallable(new CheckCCL());
//                     try {
//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
//                                                           public Void run() {
//                                                               checkCCL();
//                                                               return null;
//                                                           }}, noprivAcc[0]);
//                         shouldThrow();
//                     } catch (AccessControlException success) {}
//                 }});

//         runWithPermissions
//             (new CheckedRunnable() {
//                 public void realRun() throws Exception {
//                     if (System.getSecurityManager() == null)
//                         return;
//                     // Verify that we have an underprivileged ACC
//                     try {
//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
//                                                           public Void run() {
//                                                               checkCCL();
//                                                               return null;
//                                                           }}, noprivAcc[0]);
//                         shouldThrow();
//                     } catch (AccessControlException success) {}

//                     try {
//                         task[0].call();
//                         shouldThrow();
//                     } catch (AccessControlException success) {}
//                 }},
//              new RuntimePermission("getClassLoader"),
//              new RuntimePermission("setContextClassLoader"));
    }

    /**
     * With permissions, calling privilegedCallable succeeds
     */
    public void testprivilegedCallableWithPrivs() throws Exception {
        Runnable r = new CheckedRunnable() {
            public void realRun() throws Exception {
                Executors.privilegedCallable(new CheckCCL()).call();
            }};

         runWithPermissions(r,
                           new RuntimePermission("getClassLoader"),
                           new RuntimePermission("setContextClassLoader"));
    }

    /**
     * callable(Runnable) returns null when called
     */
    public void testCallable1() throws Exception {
        Callable c = Executors.callable(new NoOpRunnable());
        assertNull(c.call());
    }

    /**
     * callable(Runnable, result) returns result when called
     */
    public void testCallable2() throws Exception {
        Callable c = Executors.callable(new NoOpRunnable(), one);
        assertSame(one, c.call());
    }

    /**
     * callable(PrivilegedAction) returns its result when called
     */
    public void testCallable3() throws Exception {
        Callable c = Executors.callable(new PrivilegedAction() {
                public Object run() { return one; }});
        assertSame(one, c.call());
    }

    /**
     * callable(PrivilegedExceptionAction) returns its result when called
     */
    public void testCallable4() throws Exception {
        Callable c = Executors.callable(new PrivilegedExceptionAction() {
                public Object run() { return one; }});
        assertSame(one, c.call());
    }


    /**
     * callable(null Runnable) throws NPE
     */
    public void testCallableNPE1() {
        try {
            Callable c = Executors.callable((Runnable) null);
            shouldThrow();
        } catch (NullPointerException success) {}
    }

    /**
     * callable(null, result) throws NPE
     */
    public void testCallableNPE2() {
        try {
            Callable c = Executors.callable((Runnable) null, one);
            shouldThrow();
        } catch (NullPointerException success) {}
    }

    /**
     * callable(null PrivilegedAction) throws NPE
     */
    public void testCallableNPE3() {
        try {
            Callable c = Executors.callable((PrivilegedAction) null);
            shouldThrow();
        } catch (NullPointerException success) {}
    }

    /**
     * callable(null PrivilegedExceptionAction) throws NPE
     */
    public void testCallableNPE4() {
        try {
            Callable c = Executors.callable((PrivilegedExceptionAction) null);
            shouldThrow();
        } catch (NullPointerException success) {}
    }


}
Revision:	1.31
Committed:	Thu Sep 16 00:52:49 2010 UTC (13 years, 7 months ago) by jsr166
Branch:	MAIN
Changes since 1.30:	+19 -20 lines
Log Message:	testcase hygiene: introduce CheckedRecursiveAction and CheckedRecursiveTask; eliminate almost all threadAssertXXX; use preferred junit conventions;narrow the scope of exception checking code; make sure test failures in non-junit threads produce proper stacktraces
#	User	Rev	Content
1	dl	1.1	/*
2	dl	1.12	* Written by Doug Lea with assistance from members of JCP JSR-166
3			* Expert Group and released to the public domain, as explained at
4			* http://creativecommons.org/licenses/publicdomain
5	jsr166	1.20	* Other contributors include Andrew Wright, Jeffrey Hayes,
6			* Pat Fisher, Mike Judd.
7	dl	1.1	*/
8
9
10			import junit.framework.*;
11			import java.util.*;
12			import java.util.concurrent.*;
13	jsr166	1.26	import static java.util.concurrent.TimeUnit.MILLISECONDS;
14	dl	1.2	import java.math.BigInteger;
15	dl	1.8	import java.security.*;
16	dl	1.1
17	jsr166	1.22	public class ExecutorsTest extends JSR166TestCase {
18	dl	1.1	public static void main(String[] args) {
19	jsr166	1.30	junit.textui.TestRunner.run(suite());
20	dl	1.1	}
21			public static Test suite() {
22	tim	1.9	return new TestSuite(ExecutorsTest.class);
23	dl	1.1	}
24
25	dl	1.5	/**
26			* A newCachedThreadPool can execute runnables
27			*/
28			public void testNewCachedThreadPool1() {
29			ExecutorService e = Executors.newCachedThreadPool();
30			e.execute(new NoOpRunnable());
31			e.execute(new NoOpRunnable());
32			e.execute(new NoOpRunnable());
33	dl	1.14	joinPool(e);
34	dl	1.5	}
35
36			/**
37			* A newCachedThreadPool with given ThreadFactory can execute runnables
38			*/
39			public void testNewCachedThreadPool2() {
40	dl	1.6	ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory());
41	dl	1.5	e.execute(new NoOpRunnable());
42			e.execute(new NoOpRunnable());
43			e.execute(new NoOpRunnable());
44	dl	1.14	joinPool(e);
45	dl	1.5	}
46
47			/**
48			* A newCachedThreadPool with null ThreadFactory throws NPE
49			*/
50			public void testNewCachedThreadPool3() {
51			try {
52			ExecutorService e = Executors.newCachedThreadPool(null);
53			shouldThrow();
54	jsr166	1.23	} catch (NullPointerException success) {}
55	dl	1.5	}
56
57
58			/**
59			* A new SingleThreadExecutor can execute runnables
60			*/
61			public void testNewSingleThreadExecutor1() {
62			ExecutorService e = Executors.newSingleThreadExecutor();
63			e.execute(new NoOpRunnable());
64			e.execute(new NoOpRunnable());
65			e.execute(new NoOpRunnable());
66	dl	1.14	joinPool(e);
67	dl	1.5	}
68
69			/**
70			* A new SingleThreadExecutor with given ThreadFactory can execute runnables
71			*/
72			public void testNewSingleThreadExecutor2() {
73	dl	1.6	ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory());
74	dl	1.5	e.execute(new NoOpRunnable());
75			e.execute(new NoOpRunnable());
76			e.execute(new NoOpRunnable());
77	dl	1.14	joinPool(e);
78	dl	1.5	}
79
80			/**
81			* A new SingleThreadExecutor with null ThreadFactory throws NPE
82			*/
83			public void testNewSingleThreadExecutor3() {
84			try {
85			ExecutorService e = Executors.newSingleThreadExecutor(null);
86			shouldThrow();
87	jsr166	1.23	} catch (NullPointerException success) {}
88	dl	1.5	}
89
90			/**
91	dl	1.11	* A new SingleThreadExecutor cannot be casted to concrete implementation
92			*/
93			public void testCastNewSingleThreadExecutor() {
94			ExecutorService e = Executors.newSingleThreadExecutor();
95			try {
96			ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
97	jsr166	1.23	shouldThrow();
98	dl	1.11	} catch (ClassCastException success) {
99			} finally {
100			joinPool(e);
101			}
102			}
103
104
105			/**
106	dl	1.5	* A new newFixedThreadPool can execute runnables
107			*/
108			public void testNewFixedThreadPool1() {
109			ExecutorService e = Executors.newFixedThreadPool(2);
110			e.execute(new NoOpRunnable());
111			e.execute(new NoOpRunnable());
112			e.execute(new NoOpRunnable());
113	dl	1.14	joinPool(e);
114	dl	1.5	}
115
116			/**
117			* A new newFixedThreadPool with given ThreadFactory can execute runnables
118			*/
119			public void testNewFixedThreadPool2() {
120	dl	1.6	ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory());
121	dl	1.5	e.execute(new NoOpRunnable());
122			e.execute(new NoOpRunnable());
123			e.execute(new NoOpRunnable());
124	dl	1.14	joinPool(e);
125	dl	1.5	}
126
127			/**
128			* A new newFixedThreadPool with null ThreadFactory throws NPE
129			*/
130			public void testNewFixedThreadPool3() {
131			try {
132			ExecutorService e = Executors.newFixedThreadPool(2, null);
133			shouldThrow();
134	jsr166	1.23	} catch (NullPointerException success) {}
135	dl	1.5	}
136
137			/**
138			* A new newFixedThreadPool with 0 threads throws IAE
139			*/
140			public void testNewFixedThreadPool4() {
141			try {
142			ExecutorService e = Executors.newFixedThreadPool(0);
143			shouldThrow();
144	jsr166	1.23	} catch (IllegalArgumentException success) {}
145	dl	1.5	}
146	dl	1.1
147	dl	1.2
148			/**
149	dl	1.11	* An unconfigurable newFixedThreadPool can execute runnables
150			*/
151			public void testunconfigurableExecutorService() {
152			ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
153			e.execute(new NoOpRunnable());
154			e.execute(new NoOpRunnable());
155			e.execute(new NoOpRunnable());
156	dl	1.14	joinPool(e);
157	dl	1.11	}
158
159			/**
160			* unconfigurableExecutorService(null) throws NPE
161			*/
162			public void testunconfigurableExecutorServiceNPE() {
163			try {
164			ExecutorService e = Executors.unconfigurableExecutorService(null);
165	jsr166	1.23	shouldThrow();
166			} catch (NullPointerException success) {}
167	dl	1.11	}
168
169			/**
170			* unconfigurableScheduledExecutorService(null) throws NPE
171			*/
172			public void testunconfigurableScheduledExecutorServiceNPE() {
173			try {
174			ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
175	jsr166	1.23	shouldThrow();
176			} catch (NullPointerException success) {}
177	dl	1.11	}
178
179
180			/**
181			* a newSingleThreadScheduledExecutor successfully runs delayed task
182			*/
183	jsr166	1.23	public void testNewSingleThreadScheduledExecutor() throws Exception {
184	jsr166	1.24	TrackedCallable callable = new TrackedCallable();
185			ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor();
186	jsr166	1.26	Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
187	jsr166	1.24	assertFalse(callable.done);
188			Thread.sleep(MEDIUM_DELAY_MS);
189			assertTrue(callable.done);
190			assertEquals(Boolean.TRUE, f.get());
191			joinPool(p1);
192	dl	1.11	}
193
194			/**
195			* a newScheduledThreadPool successfully runs delayed task
196			*/
197	jsr166	1.23	public void testnewScheduledThreadPool() throws Exception {
198	jsr166	1.24	TrackedCallable callable = new TrackedCallable();
199			ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2);
200	jsr166	1.26	Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
201	jsr166	1.24	assertFalse(callable.done);
202			Thread.sleep(MEDIUM_DELAY_MS);
203			assertTrue(callable.done);
204			assertEquals(Boolean.TRUE, f.get());
205			joinPool(p1);
206	dl	1.11	}
207
208			/**
209	jsr166	1.24	* an unconfigurable newScheduledThreadPool successfully runs delayed task
210	dl	1.11	*/
211	jsr166	1.23	public void testunconfigurableScheduledExecutorService() throws Exception {
212	jsr166	1.24	TrackedCallable callable = new TrackedCallable();
213			ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2));
214	jsr166	1.26	Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
215	jsr166	1.24	assertFalse(callable.done);
216			Thread.sleep(MEDIUM_DELAY_MS);
217			assertTrue(callable.done);
218			assertEquals(Boolean.TRUE, f.get());
219			joinPool(p1);
220	dl	1.11	}
221
222			/**
223	jsr166	1.28	* Future.get on submitted tasks will time out if they compute too long.
224	dl	1.2	*/
225	jsr166	1.23	public void testTimedCallable() throws Exception {
226	jsr166	1.28	final Runnable sleeper =
227			new RunnableShouldThrow(InterruptedException.class) {
228			public void realRun() throws InterruptedException {
229			Thread.sleep(LONG_DELAY_MS);
230			}};
231			for (ExecutorService executor :
232			new ExecutorService[] {
233			Executors.newSingleThreadExecutor(),
234			Executors.newCachedThreadPool(),
235			Executors.newFixedThreadPool(2),
236			Executors.newScheduledThreadPool(2),
237			}) {
238			try {
239			Future future = executor.submit(sleeper);
240	dl	1.2	try {
241	jsr166	1.28	future.get(SHORT_DELAY_MS, MILLISECONDS);
242			shouldThrow();
243			} catch (TimeoutException success) {
244			} finally {
245			future.cancel(true);
246	dl	1.2	}
247			}
248	jsr166	1.28	finally {
249			joinPool(executor);
250			}
251	dl	1.2	}
252			}
253
254	jsr166	1.20
255	dl	1.8	/**
256			* ThreadPoolExecutor using defaultThreadFactory has
257			* specified group, priority, daemon status, and name
258			*/
259	jsr166	1.23	public void testDefaultThreadFactory() throws Exception {
260	tim	1.9	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
261	jsr166	1.31	Runnable r = new CheckedRunnable() {
262			public void realRun() {
263			try {
264			Thread current = Thread.currentThread();
265			assertTrue(!current.isDaemon());
266			assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
267			ThreadGroup g = current.getThreadGroup();
268			SecurityManager s = System.getSecurityManager();
269			if (s != null)
270			assertTrue(g == s.getThreadGroup());
271			else
272			assertTrue(g == egroup);
273			String name = current.getName();
274			assertTrue(name.endsWith("thread-1"));
275			} catch (SecurityException ok) {
276			// Also pass if not allowed to change setting
277	tim	1.9	}
278	jsr166	1.31	}};
279	tim	1.9	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
280	jsr166	1.20
281	tim	1.9	e.execute(r);
282	dl	1.14	try {
283			e.shutdown();
284	jsr166	1.21	} catch (SecurityException ok) {
285	dl	1.14	}
286	jsr166	1.20
287	tim	1.9	try {
288			Thread.sleep(SHORT_DELAY_MS);
289			} finally {
290			joinPool(e);
291			}
292	dl	1.8	}
293
294			/**
295			* ThreadPoolExecutor using privilegedThreadFactory has
296			* specified group, priority, daemon status, name,
297			* access control context and context class loader
298			*/
299	jsr166	1.23	public void testPrivilegedThreadFactory() throws Exception {
300	jsr166	1.29	Runnable r = new CheckedRunnable() {
301			public void realRun() throws Exception {
302			final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
303			final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
304			final AccessControlContext thisacc = AccessController.getContext();
305			Runnable r = new CheckedRunnable() {
306			public void realRun() {
307	jsr166	1.25	Thread current = Thread.currentThread();
308	jsr166	1.29	assertTrue(!current.isDaemon());
309			assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
310	jsr166	1.25	ThreadGroup g = current.getThreadGroup();
311			SecurityManager s = System.getSecurityManager();
312			if (s != null)
313	jsr166	1.29	assertTrue(g == s.getThreadGroup());
314	jsr166	1.25	else
315	jsr166	1.29	assertTrue(g == egroup);
316	jsr166	1.25	String name = current.getName();
317	jsr166	1.29	assertTrue(name.endsWith("thread-1"));
318	jsr166	1.31	assertSame(thisccl, current.getContextClassLoader());
319			assertEquals(thisacc, AccessController.getContext());
320	jsr166	1.29	}};
321			ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
322			e.execute(r);
323			e.shutdown();
324			Thread.sleep(SHORT_DELAY_MS);
325			joinPool(e);
326			}};
327
328			runWithPermissions(r,
329			new RuntimePermission("getClassLoader"),
330			new RuntimePermission("setContextClassLoader"),
331			new RuntimePermission("modifyThread"));
332			}
333	jsr166	1.20
334	jsr166	1.29	boolean haveCCLPermissions() {
335			SecurityManager sm = System.getSecurityManager();
336			if (sm != null) {
337			try {
338			sm.checkPermission(new RuntimePermission("setContextClassLoader"));
339			sm.checkPermission(new RuntimePermission("getClassLoader"));
340			} catch (AccessControlException e) {
341			return false;
342			}
343	tim	1.9	}
344	jsr166	1.29	return true;
345	dl	1.8	}
346	dl	1.11
347	dl	1.16	void checkCCL() {
348	dl	1.18	SecurityManager sm = System.getSecurityManager();
349			if (sm != null) {
350			sm.checkPermission(new RuntimePermission("setContextClassLoader"));
351	jsr166	1.19	sm.checkPermission(new RuntimePermission("getClassLoader"));
352	dl	1.18	}
353	dl	1.16	}
354
355			class CheckCCL implements Callable<Object> {
356	dl	1.11	public Object call() {
357	dl	1.16	checkCCL();
358	dl	1.11	return null;
359			}
360			}
361
362
363			/**
364			* Without class loader permissions, creating
365			* privilegedCallableUsingCurrentClassLoader throws ACE
366			*/
367			public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
368	jsr166	1.29	Runnable r = new CheckedRunnable() {
369			public void realRun() throws Exception {
370			if (System.getSecurityManager() == null)
371			return;
372			try {
373			Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
374			shouldThrow();
375			} catch (AccessControlException success) {}
376			}};
377	dl	1.16
378	jsr166	1.29	runWithoutPermissions(r);
379	dl	1.11	}
380
381			/**
382	dl	1.16	* With class loader permissions, calling
383			* privilegedCallableUsingCurrentClassLoader does not throw ACE
384	dl	1.11	*/
385	jsr166	1.23	public void testprivilegedCallableUsingCCLWithPrivs() throws Exception {
386	jsr166	1.29	Runnable r = new CheckedRunnable() {
387			public void realRun() throws Exception {
388			Executors.privilegedCallableUsingCurrentClassLoader
389			(new NoOpCallable())
390			.call();
391			}};
392
393			runWithPermissions(r,
394			new RuntimePermission("getClassLoader"),
395			new RuntimePermission("setContextClassLoader"));
396	dl	1.11	}
397
398			/**
399			* Without permissions, calling privilegedCallable throws ACE
400			*/
401	jsr166	1.23	public void testprivilegedCallableWithNoPrivs() throws Exception {
402	jsr166	1.29	Runnable r = new CheckedRunnable() {
403			public void realRun() throws Exception {
404			if (System.getSecurityManager() == null)
405			return;
406			Callable task = Executors.privilegedCallable(new CheckCCL());
407			try {
408			task.call();
409			shouldThrow();
410			} catch (AccessControlException success) {}
411			}};
412
413			runWithoutPermissions(r);
414
415			// It seems rather difficult to test that the
416			// AccessControlContext of the privilegedCallable is used
417			// instead of its caller. Below is a failed attempt to do
418			// that, which does not work because the AccessController
419			// cannot capture the internal state of the current Policy.
420			// It would be much more work to differentiate based on,
421			// e.g. CodeSource.
422
423			// final AccessControlContext[] noprivAcc = new AccessControlContext[1];
424			// final Callable[] task = new Callable[1];
425
426			// runWithPermissions
427			// (new CheckedRunnable() {
428			// public void realRun() {
429			// if (System.getSecurityManager() == null)
430			// return;
431			// noprivAcc[0] = AccessController.getContext();
432			// task[0] = Executors.privilegedCallable(new CheckCCL());
433			// try {
434			// AccessController.doPrivileged(new PrivilegedAction<Void>() {
435			// public Void run() {
436			// checkCCL();
437			// return null;
438			// }}, noprivAcc[0]);
439			// shouldThrow();
440			// } catch (AccessControlException success) {}
441			// }});
442
443			// runWithPermissions
444			// (new CheckedRunnable() {
445			// public void realRun() throws Exception {
446			// if (System.getSecurityManager() == null)
447			// return;
448			// // Verify that we have an underprivileged ACC
449			// try {
450			// AccessController.doPrivileged(new PrivilegedAction<Void>() {
451			// public Void run() {
452			// checkCCL();
453			// return null;
454			// }}, noprivAcc[0]);
455			// shouldThrow();
456			// } catch (AccessControlException success) {}
457
458			// try {
459			// task[0].call();
460			// shouldThrow();
461			// } catch (AccessControlException success) {}
462			// }},
463			// new RuntimePermission("getClassLoader"),
464			// new RuntimePermission("setContextClassLoader"));
465	dl	1.11	}
466
467			/**
468			* With permissions, calling privilegedCallable succeeds
469			*/
470	jsr166	1.23	public void testprivilegedCallableWithPrivs() throws Exception {
471	jsr166	1.29	Runnable r = new CheckedRunnable() {
472			public void realRun() throws Exception {
473			Executors.privilegedCallable(new CheckCCL()).call();
474			}};
475
476			runWithPermissions(r,
477			new RuntimePermission("getClassLoader"),
478			new RuntimePermission("setContextClassLoader"));
479	dl	1.11	}
480
481			/**
482			* callable(Runnable) returns null when called
483	jsr166	1.20	*/
484	jsr166	1.23	public void testCallable1() throws Exception {
485			Callable c = Executors.callable(new NoOpRunnable());
486			assertNull(c.call());
487	dl	1.11	}
488
489			/**
490			* callable(Runnable, result) returns result when called
491	jsr166	1.20	*/
492	jsr166	1.23	public void testCallable2() throws Exception {
493			Callable c = Executors.callable(new NoOpRunnable(), one);
494	jsr166	1.27	assertSame(one, c.call());
495	dl	1.11	}
496
497			/**
498			* callable(PrivilegedAction) returns its result when called
499	jsr166	1.20	*/
500	jsr166	1.23	public void testCallable3() throws Exception {
501			Callable c = Executors.callable(new PrivilegedAction() {
502			public Object run() { return one; }});
503	jsr166	1.27	assertSame(one, c.call());
504	dl	1.11	}
505
506			/**
507			* callable(PrivilegedExceptionAction) returns its result when called
508	jsr166	1.20	*/
509	jsr166	1.23	public void testCallable4() throws Exception {
510			Callable c = Executors.callable(new PrivilegedExceptionAction() {
511			public Object run() { return one; }});
512	jsr166	1.27	assertSame(one, c.call());
513	dl	1.11	}
514
515
516			/**
517			* callable(null Runnable) throws NPE
518	jsr166	1.20	*/
519	dl	1.11	public void testCallableNPE1() {
520			try {
521	jsr166	1.23	Callable c = Executors.callable((Runnable) null);
522			shouldThrow();
523			} catch (NullPointerException success) {}
524	dl	1.11	}
525
526			/**
527			* callable(null, result) throws NPE
528	jsr166	1.20	*/
529	dl	1.11	public void testCallableNPE2() {
530			try {
531	jsr166	1.23	Callable c = Executors.callable((Runnable) null, one);
532			shouldThrow();
533			} catch (NullPointerException success) {}
534	dl	1.11	}
535
536			/**
537			* callable(null PrivilegedAction) throws NPE
538	jsr166	1.20	*/
539	dl	1.11	public void testCallableNPE3() {
540			try {
541	jsr166	1.23	Callable c = Executors.callable((PrivilegedAction) null);
542			shouldThrow();
543			} catch (NullPointerException success) {}
544	dl	1.11	}
545
546			/**
547			* callable(null PrivilegedExceptionAction) throws NPE
548	jsr166	1.20	*/
549	dl	1.11	public void testCallableNPE4() {
550			try {
551	jsr166	1.23	Callable c = Executors.callable((PrivilegedExceptionAction) null);
552			shouldThrow();
553			} catch (NullPointerException success) {}
554	dl	1.11	}
555
556	dl	1.1
557			}