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/publicdomain/zero/1.0/
 * 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.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 {
        ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor();
        try {
            final CountDownLatch proceed = new CountDownLatch(1);
            final Runnable task = new CheckedRunnable() {
                public void realRun() {
                    await(proceed);
                }};
            long startTime = System.nanoTime();
            Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
                                  timeoutMillis(), MILLISECONDS);
            assertFalse(f.isDone());
            proceed.countDown();
            assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
            assertSame(Boolean.TRUE, f.get());
            assertTrue(f.isDone());
            assertFalse(f.isCancelled());
            assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
        } finally {
            joinPool(p);
        }
    }

    /**
     * a newScheduledThreadPool successfully runs delayed task
     */
    public void testNewScheduledThreadPool() throws Exception {
        ScheduledExecutorService p = Executors.newScheduledThreadPool(2);
        try {
            final CountDownLatch proceed = new CountDownLatch(1);
            final Runnable task = new CheckedRunnable() {
                public void realRun() {
                    await(proceed);
                }};
            long startTime = System.nanoTime();
            Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
                                  timeoutMillis(), MILLISECONDS);
            assertFalse(f.isDone());
            proceed.countDown();
            assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
            assertSame(Boolean.TRUE, f.get());
            assertTrue(f.isDone());
            assertFalse(f.isCancelled());
            assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
        } finally {
            joinPool(p);
        }
    }

    /**
     * an unconfigurable newScheduledThreadPool successfully runs delayed task
     */
    public void testUnconfigurableScheduledExecutorService() throws Exception {
        ScheduledExecutorService p =
            Executors.unconfigurableScheduledExecutorService
            (Executors.newScheduledThreadPool(2));
        try {
            final CountDownLatch proceed = new CountDownLatch(1);
            final Runnable task = new CheckedRunnable() {
                public void realRun() {
                    await(proceed);
                }};
            long startTime = System.nanoTime();
            Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
                                  timeoutMillis(), MILLISECONDS);
            assertFalse(f.isDone());
            proceed.countDown();
            assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
            assertSame(Boolean.TRUE, f.get());
            assertTrue(f.isDone());
            assertFalse(f.isCancelled());
            assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
        } finally {
            joinPool(p);
        }
    }

    /**
     * Future.get on submitted tasks will time out if they compute too long.
     */
    public void testTimedCallable() throws Exception {
        final ExecutorService[] executors = {
            Executors.newSingleThreadExecutor(),
            Executors.newCachedThreadPool(),
            Executors.newFixedThreadPool(2),
            Executors.newScheduledThreadPool(2),
        };

        final Runnable sleeper = new CheckedInterruptedRunnable() {
            public void realRun() throws InterruptedException {
                delay(LONG_DELAY_MS);
            }};

        List<Thread> threads = new ArrayList<Thread>();
        for (final ExecutorService executor : executors) {
            threads.add(newStartedThread(new CheckedRunnable() {
                public void realRun() {
                    long startTime = System.nanoTime();
                    Future future = executor.submit(sleeper);
                    assertFutureTimesOut(future);
                }}));
        }
        for (Thread thread : threads)
            awaitTermination(thread);
        for (ExecutorService executor : executors)
            joinPool(executor);
    }

    /**
     * ThreadPoolExecutor using defaultThreadFactory has
     * specified group, priority, daemon status, and name
     */
    public void testDefaultThreadFactory() throws Exception {
        final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
        final CountDownLatch done = new CountDownLatch(1);
        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
                }
                done.countDown();
            }};
        ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());

        e.execute(r);
        await(done);

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

        joinPool(e);
    }

    /**
     * ThreadPoolExecutor using privilegedThreadFactory has
     * specified group, priority, daemon status, name,
     * access control context and context class loader
     */
    public void testPrivilegedThreadFactory() throws Exception {
        final CountDownLatch done = new CountDownLatch(1);
        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());
                        done.countDown();
                    }};
                ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
                e.execute(r);
                await(done);
                e.shutdown();
                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:	1.42
Committed:	Sun May 29 13:45:35 2011 UTC (12 years, 11 months ago) by jsr166
Branch:	MAIN
Changes since 1.41:	+40 -29 lines
Log Message:	various test case improvements
#	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	jsr166	1.37	* http://creativecommons.org/publicdomain/zero/1.0/
5	jsr166	1.20	* Other contributors include Andrew Wright, Jeffrey Hayes,
6			* Pat Fisher, Mike Judd.
7	dl	1.1	*/
8
9			import junit.framework.*;
10			import java.util.*;
11			import java.util.concurrent.*;
12	jsr166	1.26	import static java.util.concurrent.TimeUnit.MILLISECONDS;
13	dl	1.8	import java.security.*;
14	dl	1.1
15	jsr166	1.22	public class ExecutorsTest extends JSR166TestCase {
16	dl	1.1	public static void main(String[] args) {
17	jsr166	1.30	junit.textui.TestRunner.run(suite());
18	dl	1.1	}
19			public static Test suite() {
20	tim	1.9	return new TestSuite(ExecutorsTest.class);
21	dl	1.1	}
22
23	dl	1.5	/**
24			* A newCachedThreadPool can execute runnables
25			*/
26			public void testNewCachedThreadPool1() {
27			ExecutorService e = Executors.newCachedThreadPool();
28			e.execute(new NoOpRunnable());
29			e.execute(new NoOpRunnable());
30			e.execute(new NoOpRunnable());
31	dl	1.14	joinPool(e);
32	dl	1.5	}
33
34			/**
35			* A newCachedThreadPool with given ThreadFactory can execute runnables
36			*/
37			public void testNewCachedThreadPool2() {
38	dl	1.6	ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory());
39	dl	1.5	e.execute(new NoOpRunnable());
40			e.execute(new NoOpRunnable());
41			e.execute(new NoOpRunnable());
42	dl	1.14	joinPool(e);
43	dl	1.5	}
44
45			/**
46			* A newCachedThreadPool with null ThreadFactory throws NPE
47			*/
48			public void testNewCachedThreadPool3() {
49			try {
50			ExecutorService e = Executors.newCachedThreadPool(null);
51			shouldThrow();
52	jsr166	1.23	} catch (NullPointerException success) {}
53	dl	1.5	}
54
55			/**
56			* A new SingleThreadExecutor can execute runnables
57			*/
58			public void testNewSingleThreadExecutor1() {
59			ExecutorService e = Executors.newSingleThreadExecutor();
60			e.execute(new NoOpRunnable());
61			e.execute(new NoOpRunnable());
62			e.execute(new NoOpRunnable());
63	dl	1.14	joinPool(e);
64	dl	1.5	}
65
66			/**
67			* A new SingleThreadExecutor with given ThreadFactory can execute runnables
68			*/
69			public void testNewSingleThreadExecutor2() {
70	dl	1.6	ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory());
71	dl	1.5	e.execute(new NoOpRunnable());
72			e.execute(new NoOpRunnable());
73			e.execute(new NoOpRunnable());
74	dl	1.14	joinPool(e);
75	dl	1.5	}
76
77			/**
78			* A new SingleThreadExecutor with null ThreadFactory throws NPE
79			*/
80			public void testNewSingleThreadExecutor3() {
81			try {
82			ExecutorService e = Executors.newSingleThreadExecutor(null);
83			shouldThrow();
84	jsr166	1.23	} catch (NullPointerException success) {}
85	dl	1.5	}
86
87			/**
88	dl	1.11	* A new SingleThreadExecutor cannot be casted to concrete implementation
89			*/
90			public void testCastNewSingleThreadExecutor() {
91			ExecutorService e = Executors.newSingleThreadExecutor();
92			try {
93			ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
94	jsr166	1.23	shouldThrow();
95	dl	1.11	} catch (ClassCastException success) {
96			} finally {
97			joinPool(e);
98			}
99			}
100
101			/**
102	dl	1.5	* A new newFixedThreadPool can execute runnables
103			*/
104			public void testNewFixedThreadPool1() {
105			ExecutorService e = Executors.newFixedThreadPool(2);
106			e.execute(new NoOpRunnable());
107			e.execute(new NoOpRunnable());
108			e.execute(new NoOpRunnable());
109	dl	1.14	joinPool(e);
110	dl	1.5	}
111
112			/**
113			* A new newFixedThreadPool with given ThreadFactory can execute runnables
114			*/
115			public void testNewFixedThreadPool2() {
116	dl	1.6	ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory());
117	dl	1.5	e.execute(new NoOpRunnable());
118			e.execute(new NoOpRunnable());
119			e.execute(new NoOpRunnable());
120	dl	1.14	joinPool(e);
121	dl	1.5	}
122
123			/**
124			* A new newFixedThreadPool with null ThreadFactory throws NPE
125			*/
126			public void testNewFixedThreadPool3() {
127			try {
128			ExecutorService e = Executors.newFixedThreadPool(2, null);
129			shouldThrow();
130	jsr166	1.23	} catch (NullPointerException success) {}
131	dl	1.5	}
132
133			/**
134			* A new newFixedThreadPool with 0 threads throws IAE
135			*/
136			public void testNewFixedThreadPool4() {
137			try {
138			ExecutorService e = Executors.newFixedThreadPool(0);
139			shouldThrow();
140	jsr166	1.23	} catch (IllegalArgumentException success) {}
141	dl	1.5	}
142	dl	1.1
143	dl	1.2	/**
144	dl	1.11	* An unconfigurable newFixedThreadPool can execute runnables
145			*/
146	jsr166	1.42	public void testUnconfigurableExecutorService() {
147	dl	1.11	ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
148			e.execute(new NoOpRunnable());
149			e.execute(new NoOpRunnable());
150			e.execute(new NoOpRunnable());
151	dl	1.14	joinPool(e);
152	dl	1.11	}
153
154			/**
155			* unconfigurableExecutorService(null) throws NPE
156			*/
157	jsr166	1.42	public void testUnconfigurableExecutorServiceNPE() {
158	dl	1.11	try {
159			ExecutorService e = Executors.unconfigurableExecutorService(null);
160	jsr166	1.23	shouldThrow();
161			} catch (NullPointerException success) {}
162	dl	1.11	}
163
164			/**
165			* unconfigurableScheduledExecutorService(null) throws NPE
166			*/
167	jsr166	1.42	public void testUnconfigurableScheduledExecutorServiceNPE() {
168	dl	1.11	try {
169			ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
170	jsr166	1.23	shouldThrow();
171			} catch (NullPointerException success) {}
172	dl	1.11	}
173
174			/**
175			* a newSingleThreadScheduledExecutor successfully runs delayed task
176			*/
177	jsr166	1.23	public void testNewSingleThreadScheduledExecutor() throws Exception {
178	jsr166	1.35	ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor();
179			try {
180	jsr166	1.42	final CountDownLatch proceed = new CountDownLatch(1);
181	jsr166	1.35	final Runnable task = new CheckedRunnable() {
182			public void realRun() {
183	jsr166	1.42	await(proceed);
184	jsr166	1.35	}};
185	jsr166	1.42	long startTime = System.nanoTime();
186	jsr166	1.35	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
187	jsr166	1.42	timeoutMillis(), MILLISECONDS);
188	jsr166	1.35	assertFalse(f.isDone());
189	jsr166	1.42	proceed.countDown();
190			assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
191	jsr166	1.36	assertSame(Boolean.TRUE, f.get());
192	jsr166	1.35	assertTrue(f.isDone());
193	jsr166	1.42	assertFalse(f.isCancelled());
194			assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
195	jsr166	1.35	} finally {
196			joinPool(p);
197			}
198	dl	1.11	}
199
200			/**
201			* a newScheduledThreadPool successfully runs delayed task
202			*/
203	jsr166	1.42	public void testNewScheduledThreadPool() throws Exception {
204	jsr166	1.35	ScheduledExecutorService p = Executors.newScheduledThreadPool(2);
205			try {
206	jsr166	1.42	final CountDownLatch proceed = new CountDownLatch(1);
207	jsr166	1.35	final Runnable task = new CheckedRunnable() {
208			public void realRun() {
209	jsr166	1.42	await(proceed);
210	jsr166	1.35	}};
211	jsr166	1.42	long startTime = System.nanoTime();
212	jsr166	1.35	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
213	jsr166	1.42	timeoutMillis(), MILLISECONDS);
214	jsr166	1.35	assertFalse(f.isDone());
215	jsr166	1.42	proceed.countDown();
216			assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
217	jsr166	1.36	assertSame(Boolean.TRUE, f.get());
218	jsr166	1.35	assertTrue(f.isDone());
219	jsr166	1.42	assertFalse(f.isCancelled());
220			assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
221	jsr166	1.35	} finally {
222			joinPool(p);
223			}
224	dl	1.11	}
225
226			/**
227	jsr166	1.24	* an unconfigurable newScheduledThreadPool successfully runs delayed task
228	dl	1.11	*/
229	jsr166	1.42	public void testUnconfigurableScheduledExecutorService() throws Exception {
230	jsr166	1.35	ScheduledExecutorService p =
231			Executors.unconfigurableScheduledExecutorService
232			(Executors.newScheduledThreadPool(2));
233			try {
234	jsr166	1.42	final CountDownLatch proceed = new CountDownLatch(1);
235	jsr166	1.35	final Runnable task = new CheckedRunnable() {
236			public void realRun() {
237	jsr166	1.42	await(proceed);
238	jsr166	1.35	}};
239	jsr166	1.42	long startTime = System.nanoTime();
240	jsr166	1.35	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
241	jsr166	1.42	timeoutMillis(), MILLISECONDS);
242	jsr166	1.35	assertFalse(f.isDone());
243	jsr166	1.42	proceed.countDown();
244			assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
245	jsr166	1.36	assertSame(Boolean.TRUE, f.get());
246	jsr166	1.35	assertTrue(f.isDone());
247	jsr166	1.42	assertFalse(f.isCancelled());
248			assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
249	jsr166	1.35	} finally {
250			joinPool(p);
251			}
252	dl	1.11	}
253
254			/**
255	jsr166	1.34	* Future.get on submitted tasks will time out if they compute too long.
256	dl	1.2	*/
257	jsr166	1.23	public void testTimedCallable() throws Exception {
258	jsr166	1.40	final ExecutorService[] executors = {
259			Executors.newSingleThreadExecutor(),
260			Executors.newCachedThreadPool(),
261			Executors.newFixedThreadPool(2),
262			Executors.newScheduledThreadPool(2),
263			};
264
265	jsr166	1.33	final Runnable sleeper = new CheckedInterruptedRunnable() {
266			public void realRun() throws InterruptedException {
267	dl	1.39	delay(LONG_DELAY_MS);
268	jsr166	1.33	}};
269	jsr166	1.40
270			List<Thread> threads = new ArrayList<Thread>();
271			for (final ExecutorService executor : executors) {
272			threads.add(newStartedThread(new CheckedRunnable() {
273			public void realRun() {
274			long startTime = System.nanoTime();
275			Future future = executor.submit(sleeper);
276			assertFutureTimesOut(future);
277			}}));
278	dl	1.2	}
279	jsr166	1.40	for (Thread thread : threads)
280			awaitTermination(thread);
281			for (ExecutorService executor : executors)
282			joinPool(executor);
283	dl	1.2	}
284
285	dl	1.8	/**
286			* ThreadPoolExecutor using defaultThreadFactory has
287			* specified group, priority, daemon status, and name
288			*/
289	jsr166	1.23	public void testDefaultThreadFactory() throws Exception {
290	tim	1.9	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
291	jsr166	1.42	final CountDownLatch done = new CountDownLatch(1);
292	jsr166	1.31	Runnable r = new CheckedRunnable() {
293			public void realRun() {
294			try {
295			Thread current = Thread.currentThread();
296			assertTrue(!current.isDaemon());
297			assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
298			ThreadGroup g = current.getThreadGroup();
299			SecurityManager s = System.getSecurityManager();
300			if (s != null)
301			assertTrue(g == s.getThreadGroup());
302			else
303			assertTrue(g == egroup);
304			String name = current.getName();
305			assertTrue(name.endsWith("thread-1"));
306			} catch (SecurityException ok) {
307			// Also pass if not allowed to change setting
308	tim	1.9	}
309	jsr166	1.42	done.countDown();
310	jsr166	1.31	}};
311	tim	1.9	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
312	jsr166	1.20
313	tim	1.9	e.execute(r);
314	jsr166	1.42	await(done);
315
316	dl	1.14	try {
317			e.shutdown();
318	jsr166	1.21	} catch (SecurityException ok) {
319	dl	1.14	}
320	jsr166	1.20
321	jsr166	1.42	joinPool(e);
322	dl	1.8	}
323
324			/**
325			* ThreadPoolExecutor using privilegedThreadFactory has
326			* specified group, priority, daemon status, name,
327			* access control context and context class loader
328			*/
329	jsr166	1.23	public void testPrivilegedThreadFactory() throws Exception {
330	jsr166	1.42	final CountDownLatch done = new CountDownLatch(1);
331	jsr166	1.29	Runnable r = new CheckedRunnable() {
332			public void realRun() throws Exception {
333			final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
334			final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
335			final AccessControlContext thisacc = AccessController.getContext();
336			Runnable r = new CheckedRunnable() {
337			public void realRun() {
338	jsr166	1.25	Thread current = Thread.currentThread();
339	jsr166	1.29	assertTrue(!current.isDaemon());
340			assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
341	jsr166	1.25	ThreadGroup g = current.getThreadGroup();
342			SecurityManager s = System.getSecurityManager();
343			if (s != null)
344	jsr166	1.29	assertTrue(g == s.getThreadGroup());
345	jsr166	1.25	else
346	jsr166	1.29	assertTrue(g == egroup);
347	jsr166	1.25	String name = current.getName();
348	jsr166	1.29	assertTrue(name.endsWith("thread-1"));
349	jsr166	1.31	assertSame(thisccl, current.getContextClassLoader());
350			assertEquals(thisacc, AccessController.getContext());
351	jsr166	1.42	done.countDown();
352	jsr166	1.29	}};
353			ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
354			e.execute(r);
355	jsr166	1.42	await(done);
356	jsr166	1.29	e.shutdown();
357			joinPool(e);
358			}};
359
360			runWithPermissions(r,
361			new RuntimePermission("getClassLoader"),
362			new RuntimePermission("setContextClassLoader"),
363			new RuntimePermission("modifyThread"));
364			}
365	jsr166	1.20
366	jsr166	1.29	boolean haveCCLPermissions() {
367			SecurityManager sm = System.getSecurityManager();
368			if (sm != null) {
369			try {
370			sm.checkPermission(new RuntimePermission("setContextClassLoader"));
371			sm.checkPermission(new RuntimePermission("getClassLoader"));
372			} catch (AccessControlException e) {
373			return false;
374			}
375	tim	1.9	}
376	jsr166	1.29	return true;
377	dl	1.8	}
378	dl	1.11
379	dl	1.16	void checkCCL() {
380	dl	1.18	SecurityManager sm = System.getSecurityManager();
381			if (sm != null) {
382			sm.checkPermission(new RuntimePermission("setContextClassLoader"));
383	jsr166	1.19	sm.checkPermission(new RuntimePermission("getClassLoader"));
384	dl	1.18	}
385	dl	1.16	}
386
387			class CheckCCL implements Callable<Object> {
388	dl	1.11	public Object call() {
389	dl	1.16	checkCCL();
390	dl	1.11	return null;
391			}
392			}
393
394			/**
395			* Without class loader permissions, creating
396			* privilegedCallableUsingCurrentClassLoader throws ACE
397			*/
398			public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
399	jsr166	1.29	Runnable r = new CheckedRunnable() {
400			public void realRun() throws Exception {
401			if (System.getSecurityManager() == null)
402			return;
403			try {
404			Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
405			shouldThrow();
406			} catch (AccessControlException success) {}
407			}};
408	dl	1.16
409	jsr166	1.29	runWithoutPermissions(r);
410	dl	1.11	}
411
412			/**
413	dl	1.16	* With class loader permissions, calling
414			* privilegedCallableUsingCurrentClassLoader does not throw ACE
415	dl	1.11	*/
416	jsr166	1.42	public void testPrivilegedCallableUsingCCLWithPrivs() throws Exception {
417	jsr166	1.29	Runnable r = new CheckedRunnable() {
418			public void realRun() throws Exception {
419			Executors.privilegedCallableUsingCurrentClassLoader
420			(new NoOpCallable())
421			.call();
422			}};
423
424			runWithPermissions(r,
425			new RuntimePermission("getClassLoader"),
426			new RuntimePermission("setContextClassLoader"));
427	dl	1.11	}
428
429			/**
430			* Without permissions, calling privilegedCallable throws ACE
431			*/
432	jsr166	1.42	public void testPrivilegedCallableWithNoPrivs() throws Exception {
433	jsr166	1.32	// Avoid classloader-related SecurityExceptions in swingui.TestRunner
434			Executors.privilegedCallable(new CheckCCL());
435
436	jsr166	1.29	Runnable r = new CheckedRunnable() {
437			public void realRun() throws Exception {
438			if (System.getSecurityManager() == null)
439			return;
440			Callable task = Executors.privilegedCallable(new CheckCCL());
441			try {
442			task.call();
443			shouldThrow();
444			} catch (AccessControlException success) {}
445			}};
446
447			runWithoutPermissions(r);
448
449			// It seems rather difficult to test that the
450			// AccessControlContext of the privilegedCallable is used
451			// instead of its caller. Below is a failed attempt to do
452			// that, which does not work because the AccessController
453			// cannot capture the internal state of the current Policy.
454			// It would be much more work to differentiate based on,
455			// e.g. CodeSource.
456
457			// final AccessControlContext[] noprivAcc = new AccessControlContext[1];
458			// final Callable[] task = new Callable[1];
459
460			// runWithPermissions
461			// (new CheckedRunnable() {
462			// public void realRun() {
463			// if (System.getSecurityManager() == null)
464			// return;
465			// noprivAcc[0] = AccessController.getContext();
466			// task[0] = Executors.privilegedCallable(new CheckCCL());
467			// try {
468			// AccessController.doPrivileged(new PrivilegedAction<Void>() {
469			// public Void run() {
470			// checkCCL();
471			// return null;
472			// }}, noprivAcc[0]);
473			// shouldThrow();
474			// } catch (AccessControlException success) {}
475			// }});
476
477			// runWithPermissions
478			// (new CheckedRunnable() {
479			// public void realRun() throws Exception {
480			// if (System.getSecurityManager() == null)
481			// return;
482			// // Verify that we have an underprivileged ACC
483			// try {
484			// AccessController.doPrivileged(new PrivilegedAction<Void>() {
485			// public Void run() {
486			// checkCCL();
487			// return null;
488			// }}, noprivAcc[0]);
489			// shouldThrow();
490			// } catch (AccessControlException success) {}
491
492			// try {
493			// task[0].call();
494			// shouldThrow();
495			// } catch (AccessControlException success) {}
496			// }},
497			// new RuntimePermission("getClassLoader"),
498			// new RuntimePermission("setContextClassLoader"));
499	dl	1.11	}
500
501			/**
502			* With permissions, calling privilegedCallable succeeds
503			*/
504	jsr166	1.42	public void testPrivilegedCallableWithPrivs() throws Exception {
505	jsr166	1.29	Runnable r = new CheckedRunnable() {
506			public void realRun() throws Exception {
507			Executors.privilegedCallable(new CheckCCL()).call();
508			}};
509
510	jsr166	1.38	runWithPermissions(r,
511	jsr166	1.29	new RuntimePermission("getClassLoader"),
512			new RuntimePermission("setContextClassLoader"));
513	dl	1.11	}
514
515			/**
516			* callable(Runnable) returns null when called
517	jsr166	1.20	*/
518	jsr166	1.23	public void testCallable1() throws Exception {
519			Callable c = Executors.callable(new NoOpRunnable());
520			assertNull(c.call());
521	dl	1.11	}
522
523			/**
524			* callable(Runnable, result) returns result when called
525	jsr166	1.20	*/
526	jsr166	1.23	public void testCallable2() throws Exception {
527			Callable c = Executors.callable(new NoOpRunnable(), one);
528	jsr166	1.27	assertSame(one, c.call());
529	dl	1.11	}
530
531			/**
532			* callable(PrivilegedAction) returns its result when called
533	jsr166	1.20	*/
534	jsr166	1.23	public void testCallable3() throws Exception {
535			Callable c = Executors.callable(new PrivilegedAction() {
536			public Object run() { return one; }});
537	jsr166	1.27	assertSame(one, c.call());
538	dl	1.11	}
539
540			/**
541			* callable(PrivilegedExceptionAction) returns its result when called
542	jsr166	1.20	*/
543	jsr166	1.23	public void testCallable4() throws Exception {
544			Callable c = Executors.callable(new PrivilegedExceptionAction() {
545			public Object run() { return one; }});
546	jsr166	1.27	assertSame(one, c.call());
547	dl	1.11	}
548
549			/**
550			* callable(null Runnable) throws NPE
551	jsr166	1.20	*/
552	dl	1.11	public void testCallableNPE1() {
553			try {
554	jsr166	1.23	Callable c = Executors.callable((Runnable) null);
555			shouldThrow();
556			} catch (NullPointerException success) {}
557	dl	1.11	}
558
559			/**
560			* callable(null, result) throws NPE
561	jsr166	1.20	*/
562	dl	1.11	public void testCallableNPE2() {
563			try {
564	jsr166	1.23	Callable c = Executors.callable((Runnable) null, one);
565			shouldThrow();
566			} catch (NullPointerException success) {}
567	dl	1.11	}
568
569			/**
570			* callable(null PrivilegedAction) throws NPE
571	jsr166	1.20	*/
572	dl	1.11	public void testCallableNPE3() {
573			try {
574	jsr166	1.23	Callable c = Executors.callable((PrivilegedAction) null);
575			shouldThrow();
576			} catch (NullPointerException success) {}
577	dl	1.11	}
578
579			/**
580			* callable(null PrivilegedExceptionAction) throws NPE
581	jsr166	1.20	*/
582	dl	1.11	public void testCallableNPE4() {
583			try {
584	jsr166	1.23	Callable c = Executors.callable((PrivilegedExceptionAction) null);
585			shouldThrow();
586			} catch (NullPointerException success) {}
587	dl	1.11	}
588
589	dl	1.1	}