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Comparing jsr166/src/test/tck/ExecutorsTest.java (file contents):
Revision 1.4 by dl, Sat Sep 20 18:20:07 2003 UTC vs.
Revision 1.23 by jsr166, Thu Nov 19 03:55:29 2009 UTC

# Line 1 | Line 1
1   /*
2 < * Written by members of JCP JSR-166 Expert Group and released to the
3 < * public domain. Use, modify, and redistribute this code in any way
4 < * without acknowledgement. Other contributors include Andrew Wright,
5 < * Jeffrey Hayes, Pat Fischer, Mike Judd.
2 > * 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 > * Other contributors include Andrew Wright, Jeffrey Hayes,
6 > * Pat Fisher, Mike Judd.
7   */
8  
9  
# Line 10 | Line 11 | import junit.framework.*;
11   import java.util.*;
12   import java.util.concurrent.*;
13   import java.math.BigInteger;
14 + import java.security.*;
15  
16 < public class ExecutorsTest extends JSR166TestCase{
15 <  
16 > public class ExecutorsTest extends JSR166TestCase {
17      public static void main(String[] args) {
18 <        junit.textui.TestRunner.run (suite());  
18 >        junit.textui.TestRunner.run (suite());
19      }
20      public static Test suite() {
21 <        return new TestSuite(ExecutorsTest.class);
21 <    }
22 <
23 <    private static final String TEST_STRING = "a test string";
24 <
25 <    private static class MyTask implements Runnable {
26 <        public void run() { completed = true; }
27 <        public boolean isCompleted() { return completed; }
28 <        public void reset() { completed = false; }
29 <        private boolean completed = false;
30 <    }
31 <
32 <    private static class StringTask implements Callable<String> {
33 <        public String call() { return TEST_STRING; }
34 <    }
35 <
36 <    static class DirectExecutor implements Executor {
37 <        public void execute(Runnable r) {
38 <            r.run();
39 <        }
21 >        return new TestSuite(ExecutorsTest.class);
22      }
23  
24      static class TimedCallable<T> implements Callable<T> {
25 <        private final Executor exec;
25 >        private final ExecutorService exec;
26          private final Callable<T> func;
27          private final long msecs;
28 <        
29 <        TimedCallable(Executor exec, Callable<T> func, long msecs) {
28 >
29 >        TimedCallable(ExecutorService exec, Callable<T> func, long msecs) {
30              this.exec = exec;
31              this.func = func;
32              this.msecs = msecs;
33          }
34 <        
34 >
35          public T call() throws Exception {
36 <            Future<T> ftask = Executors.execute(exec, func);
36 >            Future<T> ftask = exec.submit(func);
37              try {
38                  return ftask.get(msecs, TimeUnit.MILLISECONDS);
39              } finally {
# Line 79 | Line 61 | public class ExecutorsTest extends JSR16
61          }
62      };
63  
64 <
64 >    /**
65 >     * A newCachedThreadPool can execute runnables
66 >     */
67 >    public void testNewCachedThreadPool1() {
68 >        ExecutorService e = Executors.newCachedThreadPool();
69 >        e.execute(new NoOpRunnable());
70 >        e.execute(new NoOpRunnable());
71 >        e.execute(new NoOpRunnable());
72 >        joinPool(e);
73 >    }
74  
75      /**
76 <     *   execute(Executor, Runnable) will throw
77 <     *  RejectedExecutionException Attempting to execute a runnable on
78 <     *  a full ThreadPool will cause such an exception here, up to 5
79 <     *  runnables are attempted on a pool capable on handling one
80 <     *  until it throws an exception
81 <     */
82 <    public void testExecute1() {
83 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
93 <        try {
94 <            
95 <            for(int i = 0; i < 5; ++i){
96 <                Executors.execute(p, new MediumRunnable(), Boolean.TRUE);
97 <            }
98 <            shouldThrow();
99 <        } catch(RejectedExecutionException success){}
100 <        joinPool(p);
76 >     * A newCachedThreadPool with given ThreadFactory can execute runnables
77 >     */
78 >    public void testNewCachedThreadPool2() {
79 >        ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory());
80 >        e.execute(new NoOpRunnable());
81 >        e.execute(new NoOpRunnable());
82 >        e.execute(new NoOpRunnable());
83 >        joinPool(e);
84      }
85  
86      /**
87 <     *   execute(Executor, Callable) will throw
105 <     *  RejectedExecutionException Attempting to execute a callable on
106 <     *  a full ThreadPool will cause such an exception here, up to 5
107 <     *  runnables are attempted on a pool capable on handling one
108 <     *  until it throws an exception
87 >     * A newCachedThreadPool with null ThreadFactory throws NPE
88       */
89 <    public void testExecute2() {
111 <         ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
89 >    public void testNewCachedThreadPool3() {
90          try {
91 <            for(int i = 0; i < 5; ++i) {
114 <                Executors.execute(p, new SmallCallable());
115 <            }
91 >            ExecutorService e = Executors.newCachedThreadPool(null);
92              shouldThrow();
93 <        } catch(RejectedExecutionException e){}
118 <        joinPool(p);
93 >        } catch (NullPointerException success) {}
94      }
95  
96  
97      /**
98 <     *   invoke(Executor, Runnable) throws InterruptedException
124 <     *  A single use of invoke starts that will wait long enough
125 <     *  for the invoking thread to be interrupted
98 >     * A new SingleThreadExecutor can execute runnables
99       */
100 <    public void testInvoke2() {
101 <        final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
102 <        Thread t = new Thread(new Runnable() {
103 <                public void run() {
104 <                    try {
105 <                        Executors.invoke(p,new Runnable() {
106 <                                public void run() {
107 <                                    try {
108 <                                        Thread.sleep(MEDIUM_DELAY_MS);
109 <                                        shouldThrow();
110 <                                    } catch(InterruptedException e){
111 <                                    }
112 <                                }
113 <                            });
114 <                    } catch(InterruptedException success){
115 <                    } catch(Exception e) {
116 <                        unexpectedException();
117 <                    }
118 <                    
119 <                }
120 <            });
100 >    public void testNewSingleThreadExecutor1() {
101 >        ExecutorService e = Executors.newSingleThreadExecutor();
102 >        e.execute(new NoOpRunnable());
103 >        e.execute(new NoOpRunnable());
104 >        e.execute(new NoOpRunnable());
105 >        joinPool(e);
106 >    }
107 >
108 >    /**
109 >     * A new SingleThreadExecutor with given ThreadFactory can execute runnables
110 >     */
111 >    public void testNewSingleThreadExecutor2() {
112 >        ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory());
113 >        e.execute(new NoOpRunnable());
114 >        e.execute(new NoOpRunnable());
115 >        e.execute(new NoOpRunnable());
116 >        joinPool(e);
117 >    }
118 >
119 >    /**
120 >     * A new SingleThreadExecutor with null ThreadFactory throws NPE
121 >     */
122 >    public void testNewSingleThreadExecutor3() {
123          try {
124 <            t.start();
125 <            Thread.sleep(SHORT_DELAY_MS);
126 <            t.interrupt();
152 <        } catch(Exception e){
153 <            unexpectedException();
154 <        }
155 <        joinPool(p);
124 >            ExecutorService e = Executors.newSingleThreadExecutor(null);
125 >            shouldThrow();
126 >        } catch (NullPointerException success) {}
127      }
128  
129      /**
130 <     *   invoke(Executor, Runnable) will throw
131 <     *  ExecutionException An ExecutionException occurs when the
132 <     *  underlying Runnable throws an exception, here the
133 <     *  DivideByZeroException will cause an ExecutionException
134 <     */
135 <    public void testInvoke3() {
165 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
166 <        try {
167 <            Runnable r = new Runnable() {
168 <                    public void run() {
169 <                        int i = 5/0;
170 <                    }
171 <                };
172 <            
173 <            for(int i =0; i < 5; i++){
174 <                Executors.invoke(p,r);
175 <            }
176 <            
130 >     * A new SingleThreadExecutor cannot be casted to concrete implementation
131 >     */
132 >    public void testCastNewSingleThreadExecutor() {
133 >        ExecutorService e = Executors.newSingleThreadExecutor();
134 >        try {
135 >            ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
136              shouldThrow();
137 <        } catch(ExecutionException success){
138 <        } catch(Exception e){
139 <            unexpectedException();
137 >        } catch (ClassCastException success) {
138 >        } finally {
139 >            joinPool(e);
140          }
182        joinPool(p);
141      }
142  
143  
186
144      /**
145 <     *   invoke(Executor, Callable) throws
189 <     *  InterruptedException A single use of invoke starts that will
190 <     *  wait long enough for the invoking thread to be interrupted
145 >     * A new newFixedThreadPool can execute runnables
146       */
147 <    public void testInvoke5() {
148 <        final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
149 <        
150 <        final Callable c = new Callable() {
151 <                public Object call() {
152 <                    try {
153 <                        Executors.invoke(p, new SmallCallable());
199 <                        shouldThrow();
200 <                    } catch(InterruptedException e){}
201 <                    catch(RejectedExecutionException e2){}
202 <                    catch(ExecutionException e3){}
203 <                    return Boolean.TRUE;
204 <                }
205 <            };
147 >    public void testNewFixedThreadPool1() {
148 >        ExecutorService e = Executors.newFixedThreadPool(2);
149 >        e.execute(new NoOpRunnable());
150 >        e.execute(new NoOpRunnable());
151 >        e.execute(new NoOpRunnable());
152 >        joinPool(e);
153 >    }
154  
155 +    /**
156 +     * A new newFixedThreadPool with given ThreadFactory can execute runnables
157 +     */
158 +    public void testNewFixedThreadPool2() {
159 +        ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory());
160 +        e.execute(new NoOpRunnable());
161 +        e.execute(new NoOpRunnable());
162 +        e.execute(new NoOpRunnable());
163 +        joinPool(e);
164 +    }
165  
166 <        
167 <        Thread t = new Thread(new Runnable() {
168 <                public void run() {
169 <                    try {
212 <                        c.call();
213 <                    } catch(Exception e){}
214 <                }
215 <          });
166 >    /**
167 >     * A new newFixedThreadPool with null ThreadFactory throws NPE
168 >     */
169 >    public void testNewFixedThreadPool3() {
170          try {
171 <            t.start();
172 <            Thread.sleep(SHORT_DELAY_MS);
173 <            t.interrupt();
220 <            t.join();
221 <        } catch(InterruptedException e){
222 <            unexpectedException();
223 <        }
224 <        
225 <        joinPool(p);
171 >            ExecutorService e = Executors.newFixedThreadPool(2, null);
172 >            shouldThrow();
173 >        } catch (NullPointerException success) {}
174      }
175  
176      /**
177 <     *   invoke(Executor, Callable) will throw ExecutionException
230 <     *  An ExecutionException occurs when the underlying Runnable throws
231 <     *  an exception, here the DivideByZeroException will cause an ExecutionException
177 >     * A new newFixedThreadPool with 0 threads throws IAE
178       */
179 <    public void testInvoke6() {
234 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
235 <
179 >    public void testNewFixedThreadPool4() {
180          try {
181 <            Callable c = new Callable() {
238 <                    public Object call() {
239 <                        int i = 5/0;
240 <                        return Boolean.TRUE;
241 <                    }
242 <                };
243 <            
244 <            for(int i =0; i < 5; i++){
245 <                Executors.invoke(p,c);
246 <            }
247 <            
181 >            ExecutorService e = Executors.newFixedThreadPool(0);
182              shouldThrow();
183 <        } catch(RejectedExecutionException e){}
184 <        catch(InterruptedException e2){}
185 <        catch(ExecutionException e3){}
186 <        joinPool(p);
183 >        } catch (IllegalArgumentException success) {}
184 >    }
185 >
186 >
187 >    /**
188 >     * An unconfigurable newFixedThreadPool can execute runnables
189 >     */
190 >    public void testunconfigurableExecutorService() {
191 >        ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
192 >        e.execute(new NoOpRunnable());
193 >        e.execute(new NoOpRunnable());
194 >        e.execute(new NoOpRunnable());
195 >        joinPool(e);
196      }
197  
198      /**
199 <     *
199 >     * unconfigurableExecutorService(null) throws NPE
200       */
201 <    public void testExecuteRunnable () {
201 >    public void testunconfigurableExecutorServiceNPE() {
202          try {
203 <            Executor e = new DirectExecutor();
204 <            MyTask task = new MyTask();
205 <            assertFalse(task.isCompleted());
263 <            Future<String> future = Executors.execute(e, task, TEST_STRING);
264 <            String result = future.get();
265 <            assertTrue(task.isCompleted());
266 <            assertSame(TEST_STRING, result);
267 <        }
268 <        catch (ExecutionException ex) {
269 <            unexpectedException();
270 <        }
271 <        catch (InterruptedException ex) {
272 <            unexpectedException();
273 <        }
203 >            ExecutorService e = Executors.unconfigurableExecutorService(null);
204 >            shouldThrow();
205 >        } catch (NullPointerException success) {}
206      }
207  
208      /**
209 <     *
209 >     * unconfigurableScheduledExecutorService(null) throws NPE
210       */
211 <    public void testInvokeRunnable () {
211 >    public void testunconfigurableScheduledExecutorServiceNPE() {
212          try {
213 <            Executor e = new DirectExecutor();
214 <            MyTask task = new MyTask();
215 <            assertFalse(task.isCompleted());
284 <            Executors.invoke(e, task);
285 <            assertTrue(task.isCompleted());
286 <        }
287 <        catch (ExecutionException ex) {
288 <            unexpectedException();
289 <        }
290 <        catch (InterruptedException ex) {
291 <            unexpectedException();
292 <        }
213 >            ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
214 >            shouldThrow();
215 >        } catch (NullPointerException success) {}
216      }
217  
218 +
219      /**
220 <     *
220 >     * a newSingleThreadScheduledExecutor successfully runs delayed task
221       */
222 <    public void testExecuteCallable () {
223 <        try {
224 <            Executor e = new DirectExecutor();
225 <            Future<String> future = Executors.execute(e, new StringTask());
226 <            String result = future.get();
227 <            assertSame(TEST_STRING, result);
228 <        }
229 <        catch (ExecutionException ex) {
230 <            unexpectedException();
231 <        }
232 <        catch (InterruptedException ex) {
309 <            unexpectedException();
310 <        }
222 >    public void testNewSingleThreadScheduledExecutor() throws Exception {
223 >        try {
224 >            TrackedCallable callable = new TrackedCallable();
225 >            ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor();
226 >            Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
227 >            assertFalse(callable.done);
228 >            Thread.sleep(MEDIUM_DELAY_MS);
229 >            assertTrue(callable.done);
230 >            assertEquals(Boolean.TRUE, f.get());
231 >            joinPool(p1);
232 >        } catch (RejectedExecutionException e) {}
233      }
234  
235      /**
236 <     *
236 >     * a newScheduledThreadPool successfully runs delayed task
237       */
238 <    public void testInvokeCallable () {
239 <        try {
240 <            Executor e = new DirectExecutor();
241 <            String result = Executors.invoke(e, new StringTask());
238 >    public void testnewScheduledThreadPool() throws Exception {
239 >        try {
240 >            TrackedCallable callable = new TrackedCallable();
241 >            ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2);
242 >            Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
243 >            assertFalse(callable.done);
244 >            Thread.sleep(MEDIUM_DELAY_MS);
245 >            assertTrue(callable.done);
246 >            assertEquals(Boolean.TRUE, f.get());
247 >            joinPool(p1);
248 >        } catch (RejectedExecutionException e) {}
249 >    }
250  
251 <            assertSame(TEST_STRING, result);
252 <        }
253 <        catch (ExecutionException ex) {
254 <            unexpectedException();
255 <        }
256 <        catch (InterruptedException ex) {
257 <            unexpectedException();
258 <        }
251 >    /**
252 >     * an unconfigurable  newScheduledThreadPool successfully runs delayed task
253 >     */
254 >    public void testunconfigurableScheduledExecutorService() throws Exception {
255 >        try {
256 >            TrackedCallable callable = new TrackedCallable();
257 >            ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2));
258 >            Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
259 >            assertFalse(callable.done);
260 >            Thread.sleep(MEDIUM_DELAY_MS);
261 >            assertTrue(callable.done);
262 >            assertEquals(Boolean.TRUE, f.get());
263 >            joinPool(p1);
264 >        } catch (RejectedExecutionException e) {}
265      }
266  
267      /**
268       *  timeouts from execute will time out if they compute too long.
269       */
270 <    public void testTimedCallable() {
270 >    public void testTimedCallable() throws Exception {
271          int N = 10000;
272          ExecutorService executor = Executors.newSingleThreadExecutor();
273          List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
274          try {
275              long startTime = System.currentTimeMillis();
276 <            
276 >
277              long i = 0;
278              while (tasks.size() < N) {
279                  tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1));
280                  i += 10;
281              }
282 <            
282 >
283              int iters = 0;
284              BigInteger sum = BigInteger.ZERO;
285              for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) {
# Line 355 | Line 291 | public class ExecutorsTest extends JSR16
291                      assertTrue(iters > 0);
292                      return;
293                  }
358                catch (Exception e) {
359                    unexpectedException();
360                }
294              }
295              // if by chance we didn't ever time out, total time must be small
296              long elapsed = System.currentTimeMillis() - startTime;
# Line 368 | Line 301 | public class ExecutorsTest extends JSR16
301          }
302      }
303  
304 <    
304 >
305 >    /**
306 >     * ThreadPoolExecutor using defaultThreadFactory has
307 >     * specified group, priority, daemon status, and name
308 >     */
309 >    public void testDefaultThreadFactory() throws Exception {
310 >        final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
311 >        Runnable r = new Runnable() {
312 >                public void run() {
313 >                    try {
314 >                        Thread current = Thread.currentThread();
315 >                        threadAssertTrue(!current.isDaemon());
316 >                        threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
317 >                        ThreadGroup g = current.getThreadGroup();
318 >                        SecurityManager s = System.getSecurityManager();
319 >                        if (s != null)
320 >                            threadAssertTrue(g == s.getThreadGroup());
321 >                        else
322 >                            threadAssertTrue(g == egroup);
323 >                        String name = current.getName();
324 >                        threadAssertTrue(name.endsWith("thread-1"));
325 >                    } catch (SecurityException ok) {
326 >                        // Also pass if not allowed to change setting
327 >                    }
328 >                }
329 >            };
330 >        ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
331 >
332 >        e.execute(r);
333 >        try {
334 >            e.shutdown();
335 >        } catch (SecurityException ok) {
336 >        }
337 >
338 >        try {
339 >            Thread.sleep(SHORT_DELAY_MS);
340 >        } finally {
341 >            joinPool(e);
342 >        }
343 >    }
344 >
345 >    /**
346 >     * ThreadPoolExecutor using privilegedThreadFactory has
347 >     * specified group, priority, daemon status, name,
348 >     * access control context and context class loader
349 >     */
350 >    public void testPrivilegedThreadFactory() throws Exception {
351 >        Policy savedPolicy = null;
352 >        try {
353 >            savedPolicy = Policy.getPolicy();
354 >            AdjustablePolicy policy = new AdjustablePolicy();
355 >            policy.addPermission(new RuntimePermission("getContextClassLoader"));
356 >            policy.addPermission(new RuntimePermission("setContextClassLoader"));
357 >            Policy.setPolicy(policy);
358 >        } catch (AccessControlException ok) {
359 >            return;
360 >        }
361 >        final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
362 >        final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
363 >        final AccessControlContext thisacc = AccessController.getContext();
364 >        Runnable r = new Runnable() {
365 >                public void run() {
366 >                    try {
367 >                        Thread current = Thread.currentThread();
368 >                        threadAssertTrue(!current.isDaemon());
369 >                        threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
370 >                        ThreadGroup g = current.getThreadGroup();
371 >                        SecurityManager s = System.getSecurityManager();
372 >                        if (s != null)
373 >                            threadAssertTrue(g == s.getThreadGroup());
374 >                        else
375 >                            threadAssertTrue(g == egroup);
376 >                        String name = current.getName();
377 >                        threadAssertTrue(name.endsWith("thread-1"));
378 >                        threadAssertTrue(thisccl == current.getContextClassLoader());
379 >                        threadAssertTrue(thisacc.equals(AccessController.getContext()));
380 >                    } catch (SecurityException ok) {
381 >                        // Also pass if not allowed to change settings
382 >                    }
383 >                }
384 >            };
385 >        ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
386 >
387 >        Policy.setPolicy(savedPolicy);
388 >        e.execute(r);
389 >        try {
390 >            e.shutdown();
391 >        } catch (SecurityException ok) {
392 >        }
393 >        try {
394 >            Thread.sleep(SHORT_DELAY_MS);
395 >        } finally {
396 >            joinPool(e);
397 >        }
398 >
399 >    }
400 >
401 >    void checkCCL() {
402 >        SecurityManager sm = System.getSecurityManager();
403 >        if (sm != null) {
404 >            sm.checkPermission(new RuntimePermission("setContextClassLoader"));
405 >            sm.checkPermission(new RuntimePermission("getClassLoader"));
406 >        }
407 >    }
408 >
409 >    class CheckCCL implements Callable<Object> {
410 >        public Object call() {
411 >            checkCCL();
412 >            return null;
413 >        }
414 >    }
415 >
416 >
417 >    /**
418 >     * Without class loader permissions, creating
419 >     * privilegedCallableUsingCurrentClassLoader throws ACE
420 >     */
421 >    public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
422 >        Policy savedPolicy = null;
423 >        try {
424 >            savedPolicy = Policy.getPolicy();
425 >            AdjustablePolicy policy = new AdjustablePolicy();
426 >            Policy.setPolicy(policy);
427 >        } catch (AccessControlException ok) {
428 >            return;
429 >        }
430 >
431 >        // Check if program still has too many permissions to run test
432 >        try {
433 >            checkCCL();
434 >            // too many privileges to test; so return
435 >            Policy.setPolicy(savedPolicy);
436 >            return;
437 >        } catch (AccessControlException ok) {
438 >        }
439 >
440 >        try {
441 >            Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
442 >            shouldThrow();
443 >        } catch (AccessControlException success) {
444 >        } finally {
445 >            Policy.setPolicy(savedPolicy);
446 >        }
447 >    }
448 >
449 >    /**
450 >     * With class loader permissions, calling
451 >     * privilegedCallableUsingCurrentClassLoader does not throw ACE
452 >     */
453 >    public void testprivilegedCallableUsingCCLWithPrivs() throws Exception {
454 >        Policy savedPolicy = null;
455 >        try {
456 >            savedPolicy = Policy.getPolicy();
457 >            AdjustablePolicy policy = new AdjustablePolicy();
458 >            policy.addPermission(new RuntimePermission("getContextClassLoader"));
459 >            policy.addPermission(new RuntimePermission("setContextClassLoader"));
460 >            Policy.setPolicy(policy);
461 >        } catch (AccessControlException ok) {
462 >            return;
463 >        }
464 >
465 >        try {
466 >            Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
467 >            task.call();
468 >        }
469 >        finally {
470 >            Policy.setPolicy(savedPolicy);
471 >        }
472 >    }
473 >
474 >    /**
475 >     * Without permissions, calling privilegedCallable throws ACE
476 >     */
477 >    public void testprivilegedCallableWithNoPrivs() throws Exception {
478 >        Callable task;
479 >        Policy savedPolicy = null;
480 >        AdjustablePolicy policy = null;
481 >        AccessControlContext noprivAcc = null;
482 >        try {
483 >            savedPolicy = Policy.getPolicy();
484 >            policy = new AdjustablePolicy();
485 >            Policy.setPolicy(policy);
486 >            noprivAcc = AccessController.getContext();
487 >            task = Executors.privilegedCallable(new CheckCCL());
488 >            Policy.setPolicy(savedPolicy);
489 >        } catch (AccessControlException ok) {
490 >            return; // program has too few permissions to set up test
491 >        }
492 >
493 >        // Make sure that program doesn't have too many permissions
494 >        try {
495 >            AccessController.doPrivileged(new PrivilegedAction() {
496 >                    public Object run() {
497 >                        checkCCL();
498 >                        return null;
499 >                    }}, noprivAcc);
500 >            // too many permssions; skip test
501 >            return;
502 >        } catch (AccessControlException ok) {
503 >        }
504 >
505 >        try {
506 >            task.call();
507 >            shouldThrow();
508 >        } catch (AccessControlException success) {}
509 >    }
510 >
511 >    /**
512 >     * With permissions, calling privilegedCallable succeeds
513 >     */
514 >    public void testprivilegedCallableWithPrivs() throws Exception {
515 >        Policy savedPolicy = null;
516 >        try {
517 >            savedPolicy = Policy.getPolicy();
518 >            AdjustablePolicy policy = new AdjustablePolicy();
519 >            policy.addPermission(new RuntimePermission("getContextClassLoader"));
520 >            policy.addPermission(new RuntimePermission("setContextClassLoader"));
521 >            Policy.setPolicy(policy);
522 >        } catch (AccessControlException ok) {
523 >            return;
524 >        }
525 >
526 >        Callable task = Executors.privilegedCallable(new CheckCCL());
527 >        try {
528 >            task.call();
529 >        } finally {
530 >            Policy.setPolicy(savedPolicy);
531 >        }
532 >    }
533 >
534 >    /**
535 >     * callable(Runnable) returns null when called
536 >     */
537 >    public void testCallable1() throws Exception {
538 >        Callable c = Executors.callable(new NoOpRunnable());
539 >        assertNull(c.call());
540 >    }
541 >
542 >    /**
543 >     * callable(Runnable, result) returns result when called
544 >     */
545 >    public void testCallable2() throws Exception {
546 >        Callable c = Executors.callable(new NoOpRunnable(), one);
547 >        assertEquals(one, c.call());
548 >    }
549 >
550 >    /**
551 >     * callable(PrivilegedAction) returns its result when called
552 >     */
553 >    public void testCallable3() throws Exception {
554 >        Callable c = Executors.callable(new PrivilegedAction() {
555 >                public Object run() { return one; }});
556 >        assertEquals(one, c.call());
557 >    }
558 >
559 >    /**
560 >     * callable(PrivilegedExceptionAction) returns its result when called
561 >     */
562 >    public void testCallable4() throws Exception {
563 >        Callable c = Executors.callable(new PrivilegedExceptionAction() {
564 >                public Object run() { return one; }});
565 >        assertEquals(one, c.call());
566 >    }
567 >
568 >
569 >    /**
570 >     * callable(null Runnable) throws NPE
571 >     */
572 >    public void testCallableNPE1() {
573 >        try {
574 >            Callable c = Executors.callable((Runnable) null);
575 >            shouldThrow();
576 >        } catch (NullPointerException success) {}
577 >    }
578 >
579 >    /**
580 >     * callable(null, result) throws NPE
581 >     */
582 >    public void testCallableNPE2() {
583 >        try {
584 >            Callable c = Executors.callable((Runnable) null, one);
585 >            shouldThrow();
586 >        } catch (NullPointerException success) {}
587 >    }
588 >
589 >    /**
590 >     * callable(null PrivilegedAction) throws NPE
591 >     */
592 >    public void testCallableNPE3() {
593 >        try {
594 >            Callable c = Executors.callable((PrivilegedAction) null);
595 >            shouldThrow();
596 >        } catch (NullPointerException success) {}
597 >    }
598 >
599 >    /**
600 >     * callable(null PrivilegedExceptionAction) throws NPE
601 >     */
602 >    public void testCallableNPE4() {
603 >        try {
604 >            Callable c = Executors.callable((PrivilegedExceptionAction) null);
605 >            shouldThrow();
606 >        } catch (NullPointerException success) {}
607 >    }
608  
609  
610   }

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