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 CheckedInterruptedRunnable() {
            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 {
        // Avoid classloader-related SecurityExceptions in swingui.TestRunner
        Executors.privilegedCallable(new CheckCCL());

        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:	1.33
Committed:	Mon Oct 4 05:45:44 2010 UTC (13 years, 6 months ago) by jsr166
Branch:	MAIN
Changes since 1.32:	+4 -5 lines
Log Message:	small simplification
#	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	1.33	final Runnable sleeper = new CheckedInterruptedRunnable() {
227			public void realRun() throws InterruptedException {
228			Thread.sleep(LONG_DELAY_MS);
229			}};
230	jsr166	1.28	for (ExecutorService executor :
231			new ExecutorService[] {
232			Executors.newSingleThreadExecutor(),
233			Executors.newCachedThreadPool(),
234			Executors.newFixedThreadPool(2),
235			Executors.newScheduledThreadPool(2),
236			}) {
237			try {
238			Future future = executor.submit(sleeper);
239	dl	1.2	try {
240	jsr166	1.28	future.get(SHORT_DELAY_MS, MILLISECONDS);
241			shouldThrow();
242			} catch (TimeoutException success) {
243			} finally {
244			future.cancel(true);
245	dl	1.2	}
246			}
247	jsr166	1.28	finally {
248			joinPool(executor);
249			}
250	dl	1.2	}
251			}
252
253	jsr166	1.20
254	dl	1.8	/**
255			* ThreadPoolExecutor using defaultThreadFactory has
256			* specified group, priority, daemon status, and name
257			*/
258	jsr166	1.23	public void testDefaultThreadFactory() throws Exception {
259	tim	1.9	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
260	jsr166	1.31	Runnable r = new CheckedRunnable() {
261			public void realRun() {
262			try {
263			Thread current = Thread.currentThread();
264			assertTrue(!current.isDaemon());
265			assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
266			ThreadGroup g = current.getThreadGroup();
267			SecurityManager s = System.getSecurityManager();
268			if (s != null)
269			assertTrue(g == s.getThreadGroup());
270			else
271			assertTrue(g == egroup);
272			String name = current.getName();
273			assertTrue(name.endsWith("thread-1"));
274			} catch (SecurityException ok) {
275			// Also pass if not allowed to change setting
276	tim	1.9	}
277	jsr166	1.31	}};
278	tim	1.9	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
279	jsr166	1.20
280	tim	1.9	e.execute(r);
281	dl	1.14	try {
282			e.shutdown();
283	jsr166	1.21	} catch (SecurityException ok) {
284	dl	1.14	}
285	jsr166	1.20
286	tim	1.9	try {
287			Thread.sleep(SHORT_DELAY_MS);
288			} finally {
289			joinPool(e);
290			}
291	dl	1.8	}
292
293			/**
294			* ThreadPoolExecutor using privilegedThreadFactory has
295			* specified group, priority, daemon status, name,
296			* access control context and context class loader
297			*/
298	jsr166	1.23	public void testPrivilegedThreadFactory() throws Exception {
299	jsr166	1.29	Runnable r = new CheckedRunnable() {
300			public void realRun() throws Exception {
301			final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
302			final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
303			final AccessControlContext thisacc = AccessController.getContext();
304			Runnable r = new CheckedRunnable() {
305			public void realRun() {
306	jsr166	1.25	Thread current = Thread.currentThread();
307	jsr166	1.29	assertTrue(!current.isDaemon());
308			assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
309	jsr166	1.25	ThreadGroup g = current.getThreadGroup();
310			SecurityManager s = System.getSecurityManager();
311			if (s != null)
312	jsr166	1.29	assertTrue(g == s.getThreadGroup());
313	jsr166	1.25	else
314	jsr166	1.29	assertTrue(g == egroup);
315	jsr166	1.25	String name = current.getName();
316	jsr166	1.29	assertTrue(name.endsWith("thread-1"));
317	jsr166	1.31	assertSame(thisccl, current.getContextClassLoader());
318			assertEquals(thisacc, AccessController.getContext());
319	jsr166	1.29	}};
320			ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
321			e.execute(r);
322			e.shutdown();
323			Thread.sleep(SHORT_DELAY_MS);
324			joinPool(e);
325			}};
326
327			runWithPermissions(r,
328			new RuntimePermission("getClassLoader"),
329			new RuntimePermission("setContextClassLoader"),
330			new RuntimePermission("modifyThread"));
331			}
332	jsr166	1.20
333	jsr166	1.29	boolean haveCCLPermissions() {
334			SecurityManager sm = System.getSecurityManager();
335			if (sm != null) {
336			try {
337			sm.checkPermission(new RuntimePermission("setContextClassLoader"));
338			sm.checkPermission(new RuntimePermission("getClassLoader"));
339			} catch (AccessControlException e) {
340			return false;
341			}
342	tim	1.9	}
343	jsr166	1.29	return true;
344	dl	1.8	}
345	dl	1.11
346	dl	1.16	void checkCCL() {
347	dl	1.18	SecurityManager sm = System.getSecurityManager();
348			if (sm != null) {
349			sm.checkPermission(new RuntimePermission("setContextClassLoader"));
350	jsr166	1.19	sm.checkPermission(new RuntimePermission("getClassLoader"));
351	dl	1.18	}
352	dl	1.16	}
353
354			class CheckCCL implements Callable<Object> {
355	dl	1.11	public Object call() {
356	dl	1.16	checkCCL();
357	dl	1.11	return null;
358			}
359			}
360
361
362			/**
363			* Without class loader permissions, creating
364			* privilegedCallableUsingCurrentClassLoader throws ACE
365			*/
366			public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
367	jsr166	1.29	Runnable r = new CheckedRunnable() {
368			public void realRun() throws Exception {
369			if (System.getSecurityManager() == null)
370			return;
371			try {
372			Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
373			shouldThrow();
374			} catch (AccessControlException success) {}
375			}};
376	dl	1.16
377	jsr166	1.29	runWithoutPermissions(r);
378	dl	1.11	}
379
380			/**
381	dl	1.16	* With class loader permissions, calling
382			* privilegedCallableUsingCurrentClassLoader does not throw ACE
383	dl	1.11	*/
384	jsr166	1.23	public void testprivilegedCallableUsingCCLWithPrivs() throws Exception {
385	jsr166	1.29	Runnable r = new CheckedRunnable() {
386			public void realRun() throws Exception {
387			Executors.privilegedCallableUsingCurrentClassLoader
388			(new NoOpCallable())
389			.call();
390			}};
391
392			runWithPermissions(r,
393			new RuntimePermission("getClassLoader"),
394			new RuntimePermission("setContextClassLoader"));
395	dl	1.11	}
396
397			/**
398			* Without permissions, calling privilegedCallable throws ACE
399			*/
400	jsr166	1.23	public void testprivilegedCallableWithNoPrivs() throws Exception {
401	jsr166	1.32	// Avoid classloader-related SecurityExceptions in swingui.TestRunner
402			Executors.privilegedCallable(new CheckCCL());
403
404	jsr166	1.29	Runnable r = new CheckedRunnable() {
405			public void realRun() throws Exception {
406			if (System.getSecurityManager() == null)
407			return;
408			Callable task = Executors.privilegedCallable(new CheckCCL());
409			try {
410			task.call();
411			shouldThrow();
412			} catch (AccessControlException success) {}
413			}};
414
415			runWithoutPermissions(r);
416
417			// It seems rather difficult to test that the
418			// AccessControlContext of the privilegedCallable is used
419			// instead of its caller. Below is a failed attempt to do
420			// that, which does not work because the AccessController
421			// cannot capture the internal state of the current Policy.
422			// It would be much more work to differentiate based on,
423			// e.g. CodeSource.
424
425			// final AccessControlContext[] noprivAcc = new AccessControlContext[1];
426			// final Callable[] task = new Callable[1];
427
428			// runWithPermissions
429			// (new CheckedRunnable() {
430			// public void realRun() {
431			// if (System.getSecurityManager() == null)
432			// return;
433			// noprivAcc[0] = AccessController.getContext();
434			// task[0] = Executors.privilegedCallable(new CheckCCL());
435			// try {
436			// AccessController.doPrivileged(new PrivilegedAction<Void>() {
437			// public Void run() {
438			// checkCCL();
439			// return null;
440			// }}, noprivAcc[0]);
441			// shouldThrow();
442			// } catch (AccessControlException success) {}
443			// }});
444
445			// runWithPermissions
446			// (new CheckedRunnable() {
447			// public void realRun() throws Exception {
448			// if (System.getSecurityManager() == null)
449			// return;
450			// // Verify that we have an underprivileged ACC
451			// try {
452			// AccessController.doPrivileged(new PrivilegedAction<Void>() {
453			// public Void run() {
454			// checkCCL();
455			// return null;
456			// }}, noprivAcc[0]);
457			// shouldThrow();
458			// } catch (AccessControlException success) {}
459
460			// try {
461			// task[0].call();
462			// shouldThrow();
463			// } catch (AccessControlException success) {}
464			// }},
465			// new RuntimePermission("getClassLoader"),
466			// new RuntimePermission("setContextClassLoader"));
467	dl	1.11	}
468
469			/**
470			* With permissions, calling privilegedCallable succeeds
471			*/
472	jsr166	1.23	public void testprivilegedCallableWithPrivs() throws Exception {
473	jsr166	1.29	Runnable r = new CheckedRunnable() {
474			public void realRun() throws Exception {
475			Executors.privilegedCallable(new CheckCCL()).call();
476			}};
477
478			runWithPermissions(r,
479			new RuntimePermission("getClassLoader"),
480			new RuntimePermission("setContextClassLoader"));
481	dl	1.11	}
482
483			/**
484			* callable(Runnable) returns null when called
485	jsr166	1.20	*/
486	jsr166	1.23	public void testCallable1() throws Exception {
487			Callable c = Executors.callable(new NoOpRunnable());
488			assertNull(c.call());
489	dl	1.11	}
490
491			/**
492			* callable(Runnable, result) returns result when called
493	jsr166	1.20	*/
494	jsr166	1.23	public void testCallable2() throws Exception {
495			Callable c = Executors.callable(new NoOpRunnable(), one);
496	jsr166	1.27	assertSame(one, c.call());
497	dl	1.11	}
498
499			/**
500			* callable(PrivilegedAction) returns its result when called
501	jsr166	1.20	*/
502	jsr166	1.23	public void testCallable3() throws Exception {
503			Callable c = Executors.callable(new PrivilegedAction() {
504			public Object run() { return one; }});
505	jsr166	1.27	assertSame(one, c.call());
506	dl	1.11	}
507
508			/**
509			* callable(PrivilegedExceptionAction) returns its result when called
510	jsr166	1.20	*/
511	jsr166	1.23	public void testCallable4() throws Exception {
512			Callable c = Executors.callable(new PrivilegedExceptionAction() {
513			public Object run() { return one; }});
514	jsr166	1.27	assertSame(one, c.call());
515	dl	1.11	}
516
517
518			/**
519			* callable(null Runnable) throws NPE
520	jsr166	1.20	*/
521	dl	1.11	public void testCallableNPE1() {
522			try {
523	jsr166	1.23	Callable c = Executors.callable((Runnable) null);
524			shouldThrow();
525			} catch (NullPointerException success) {}
526	dl	1.11	}
527
528			/**
529			* callable(null, result) throws NPE
530	jsr166	1.20	*/
531	dl	1.11	public void testCallableNPE2() {
532			try {
533	jsr166	1.23	Callable c = Executors.callable((Runnable) null, one);
534			shouldThrow();
535			} catch (NullPointerException success) {}
536	dl	1.11	}
537
538			/**
539			* callable(null PrivilegedAction) throws NPE
540	jsr166	1.20	*/
541	dl	1.11	public void testCallableNPE3() {
542			try {
543	jsr166	1.23	Callable c = Executors.callable((PrivilegedAction) null);
544			shouldThrow();
545			} catch (NullPointerException success) {}
546	dl	1.11	}
547
548			/**
549			* callable(null PrivilegedExceptionAction) throws NPE
550	jsr166	1.20	*/
551	dl	1.11	public void testCallableNPE4() {
552			try {
553	jsr166	1.23	Callable c = Executors.callable((PrivilegedExceptionAction) null);
554			shouldThrow();
555			} catch (NullPointerException success) {}
556	dl	1.11	}
557
558	dl	1.1
559			}