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Java Source Code / Java Documentation » Apache Harmony Java SE » org package » org.apache.harmony.luni.tests.java.lang 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


0001:        /*
0002:         *  Licensed to the Apache Software Foundation (ASF) under one or more
0003:         *  contributor license agreements.  See the NOTICE file distributed with
0004:         *  this work for additional information regarding copyright ownership.
0005:         *  The ASF licenses this file to You under the Apache License, Version 2.0
0006:         *  (the "License"); you may not use this file except in compliance with
0007:         *  the License.  You may obtain a copy of the License at
0008:         *
0009:         *     http://www.apache.org/licenses/LICENSE-2.0
0010:         *
0011:         *  Unless required by applicable law or agreed to in writing, software
0012:         *  distributed under the License is distributed on an "AS IS" BASIS,
0013:         *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
0014:         *  See the License for the specific language governing permissions and
0015:         *  limitations under the License.
0016:         */
0017:
0018:        package org.apache.harmony.luni.tests.java.lang;
0019:
0020:        import java.lang.Thread.UncaughtExceptionHandler;
0021:        import java.security.Permission;
0022:        import java.util.Map;
0023:
0024:        public class ThreadTest extends junit.framework.TestCase {
0025:
0026:            static class SimpleThread implements  Runnable {
0027:                int delay;
0028:
0029:                public void run() {
0030:                    try {
0031:                        synchronized (this ) {
0032:                            this .notify();
0033:                            this .wait(delay);
0034:                        }
0035:                    } catch (InterruptedException e) {
0036:                        return;
0037:                    }
0038:
0039:                }
0040:
0041:                public SimpleThread(int d) {
0042:                    if (d >= 0)
0043:                        delay = d;
0044:                }
0045:            }
0046:
0047:            static class YieldThread implements  Runnable {
0048:                volatile int delay;
0049:
0050:                public void run() {
0051:                    int x = 0;
0052:                    while (true) {
0053:                        ++x;
0054:                    }
0055:                }
0056:
0057:                public YieldThread(int d) {
0058:                    if (d >= 0)
0059:                        delay = d;
0060:                }
0061:            }
0062:
0063:            static class ResSupThread implements  Runnable {
0064:                Thread parent;
0065:
0066:                volatile int checkVal = -1;
0067:
0068:                public void run() {
0069:                    try {
0070:                        synchronized (this ) {
0071:                            this .notify();
0072:                        }
0073:                        while (true) {
0074:                            checkVal++;
0075:                            zz();
0076:                            Thread.sleep(100);
0077:                        }
0078:                    } catch (InterruptedException e) {
0079:                        return;
0080:                    } catch (BogusException e) {
0081:                        try {
0082:                            // Give parent a chance to sleep
0083:                            Thread.sleep(500);
0084:                        } catch (InterruptedException x) {
0085:                        }
0086:                        parent.interrupt();
0087:                        while (!Thread.currentThread().isInterrupted()) {
0088:                            // Don't hog the CPU
0089:                            try {
0090:                                Thread.sleep(50);
0091:                            } catch (InterruptedException x) {
0092:                                // This is what we've been waiting for...don't throw it
0093:                                // away!
0094:                                break;
0095:                            }
0096:                        }
0097:                    }
0098:                }
0099:
0100:                public void zz() throws BogusException {
0101:                }
0102:
0103:                public ResSupThread(Thread t) {
0104:                    parent = t;
0105:                }
0106:
0107:                public synchronized int getCheckVal() {
0108:                    return checkVal;
0109:                }
0110:            }
0111:
0112:            static class BogusException extends Throwable {
0113:
0114:                private static final long serialVersionUID = 1L;
0115:
0116:                public BogusException(String s) {
0117:                    super (s);
0118:                }
0119:            }
0120:
0121:            Thread st, ct, spinner;
0122:
0123:            static boolean calledMySecurityManager = false;
0124:
0125:            /**
0126:             * @tests java.lang.Thread#Thread()
0127:             */
0128:            public void test_Constructor() {
0129:                // Test for method java.lang.Thread()
0130:
0131:                Thread t;
0132:                SecurityManager m = new SecurityManager() {
0133:                    @Override
0134:                    public ThreadGroup getThreadGroup() {
0135:                        calledMySecurityManager = true;
0136:                        return Thread.currentThread().getThreadGroup();
0137:                    }
0138:
0139:                    @Override
0140:                    public void checkPermission(Permission permission) {
0141:                        if (permission.getName().equals("setSecurityManager")) {
0142:                            return;
0143:                        }
0144:                        super .checkPermission(permission);
0145:                    }
0146:                };
0147:                try {
0148:                    // To see if it checks Thread creation with our SecurityManager
0149:                    System.setSecurityManager(m);
0150:                    t = new Thread();
0151:                } finally {
0152:                    // restore original, no side-effects
0153:                    System.setSecurityManager(null);
0154:                }
0155:                assertTrue("Did not call SecurityManager.getThreadGroup ()",
0156:                        calledMySecurityManager);
0157:                t.start();
0158:            }
0159:
0160:            /**
0161:             * @tests java.lang.Thread#Thread(java.lang.Runnable)
0162:             */
0163:            public void test_ConstructorLjava_lang_Runnable() {
0164:                // Test for method java.lang.Thread(java.lang.Runnable)
0165:                ct = new Thread(new SimpleThread(10));
0166:                ct.start();
0167:            }
0168:
0169:            /**
0170:             * @tests java.lang.Thread#Thread(java.lang.Runnable, java.lang.String)
0171:             */
0172:            public void test_ConstructorLjava_lang_RunnableLjava_lang_String() {
0173:                // Test for method java.lang.Thread(java.lang.Runnable,
0174:                // java.lang.String)
0175:                Thread st1 = new Thread(new SimpleThread(1), "SimpleThread1");
0176:                assertEquals("Constructed thread with incorrect thread name",
0177:                        "SimpleThread1", st1.getName());
0178:                st1.start();
0179:            }
0180:
0181:            /**
0182:             * @tests java.lang.Thread#Thread(java.lang.String)
0183:             */
0184:            public void test_ConstructorLjava_lang_String() {
0185:                // Test for method java.lang.Thread(java.lang.String)
0186:                Thread t = new Thread("Testing");
0187:                assertEquals("Created tread with incorrect name", "Testing", t
0188:                        .getName());
0189:                t.start();
0190:            }
0191:
0192:            /**
0193:             * @tests java.lang.Thread#Thread(java.lang.ThreadGroup, java.lang.Runnable)
0194:             */
0195:            public void test_ConstructorLjava_lang_ThreadGroupLjava_lang_Runnable() {
0196:                // Test for method java.lang.Thread(java.lang.ThreadGroup,
0197:                // java.lang.Runnable)
0198:                ThreadGroup tg = new ThreadGroup("Test Group1");
0199:                st = new Thread(tg, new SimpleThread(1), "SimpleThread2");
0200:                assertTrue("Returned incorrect thread group", st
0201:                        .getThreadGroup() == tg);
0202:                st.start();
0203:                try {
0204:                    st.join();
0205:                } catch (InterruptedException e) {
0206:                }
0207:                tg.destroy();
0208:            }
0209:
0210:            /**
0211:             * @tests java.lang.Thread#Thread(java.lang.ThreadGroup, java.lang.Runnable,
0212:             *        java.lang.String)
0213:             */
0214:            public void test_ConstructorLjava_lang_ThreadGroupLjava_lang_RunnableLjava_lang_String() {
0215:                // Test for method java.lang.Thread(java.lang.ThreadGroup,
0216:                // java.lang.Runnable, java.lang.String)
0217:                ThreadGroup tg = new ThreadGroup("Test Group2");
0218:                st = new Thread(tg, new SimpleThread(1), "SimpleThread3");
0219:                assertTrue("Constructed incorrect thread",
0220:                        (st.getThreadGroup() == tg)
0221:                                && st.getName().equals("SimpleThread3"));
0222:                st.start();
0223:                try {
0224:                    st.join();
0225:                } catch (InterruptedException e) {
0226:                }
0227:                tg.destroy();
0228:
0229:                Runnable r = new Runnable() {
0230:                    public void run() {
0231:                    }
0232:                };
0233:
0234:                ThreadGroup foo = null;
0235:                try {
0236:                    new Thread(foo = new ThreadGroup("foo"), r, null);
0237:                    // Should not get here
0238:                    fail("Null cannot be accepted as Thread name");
0239:                } catch (NullPointerException npe) {
0240:                    assertTrue("Null cannot be accepted as Thread name", true);
0241:                    foo.destroy();
0242:                }
0243:
0244:            }
0245:
0246:            /**
0247:             * @tests java.lang.Thread#Thread(java.lang.ThreadGroup, java.lang.String)
0248:             */
0249:            public void test_ConstructorLjava_lang_ThreadGroupLjava_lang_String() {
0250:                // Test for method java.lang.Thread(java.lang.ThreadGroup,
0251:                // java.lang.String)
0252:                st = new Thread(new SimpleThread(1), "SimpleThread4");
0253:                assertEquals("Returned incorrect thread name", "SimpleThread4",
0254:                        st.getName());
0255:                st.start();
0256:            }
0257:
0258:            /**
0259:             * @tests java.lang.Thread#activeCount()
0260:             */
0261:            public void test_activeCount() {
0262:                // Test for method int java.lang.Thread.activeCount()
0263:                Thread t = new Thread(new SimpleThread(10));
0264:                int active = 0;
0265:                synchronized (t) {
0266:                    t.start();
0267:                    active = Thread.activeCount();
0268:                }
0269:                assertTrue(
0270:                        "Incorrect activeCount for current group: " + active,
0271:                        active > 1);
0272:                try {
0273:                    t.join();
0274:                } catch (InterruptedException e) {
0275:                }
0276:            }
0277:
0278:            /**
0279:             * @tests java.lang.Thread#checkAccess()
0280:             */
0281:            public void test_checkAccess() {
0282:                // Test for method void java.lang.Thread.checkAccess()
0283:                ThreadGroup tg = new ThreadGroup("Test Group3");
0284:                try {
0285:                    st = new Thread(tg, new SimpleThread(1), "SimpleThread5");
0286:                    st.checkAccess();
0287:                    assertTrue("CheckAccess passed", true);
0288:                } catch (SecurityException e) {
0289:                    fail("CheckAccess failed : " + e.getMessage());
0290:                }
0291:                st.start();
0292:                try {
0293:                    st.join();
0294:                } catch (InterruptedException e) {
0295:                }
0296:                tg.destroy();
0297:            }
0298:
0299:            /**
0300:             * @tests java.lang.Thread#countStackFrames()
0301:             */
0302:            @SuppressWarnings("deprecation")
0303:            public void test_countStackFrames() {
0304:                /*
0305:                 * Thread.countStackFrames() is unpredictable, so we just test that it
0306:                 * doesn't throw an exception.
0307:                 */
0308:                Thread.currentThread().countStackFrames();
0309:            }
0310:
0311:            /**
0312:             * @tests java.lang.Thread#currentThread()
0313:             */
0314:            public void test_currentThread() {
0315:                assertNotNull(Thread.currentThread());
0316:            }
0317:
0318:            /**
0319:             * @tests java.lang.Thread#destroy()
0320:             */
0321:            @SuppressWarnings("deprecation")
0322:            public void test_destroy() {
0323:                try {
0324:                    new Thread().destroy();
0325:                    // FIXME uncomment when IBM VME is updated
0326:                    //fail("NoSuchMethodError was not thrown");
0327:                } catch (NoSuchMethodError e) {
0328:                }
0329:            }
0330:
0331:            /**
0332:             * @tests java.lang.Thread#enumerate(java.lang.Thread[])
0333:             */
0334:            public void test_enumerate$Ljava_lang_Thread() {
0335:                // Test for method int java.lang.Thread.enumerate(java.lang.Thread [])
0336:                // The test has been updated according to HARMONY-1974 JIRA issue.
0337:
0338:                class MyThread extends Thread {
0339:                    MyThread(ThreadGroup tg, String name) {
0340:                        super (tg, name);
0341:                    }
0342:
0343:                    boolean failed = false;
0344:                    String failMessage = null;
0345:
0346:                    public void run() {
0347:                        SimpleThread st1 = null;
0348:                        SimpleThread st2 = null;
0349:                        ThreadGroup mytg = null;
0350:                        Thread firstOne = null;
0351:                        Thread secondOne = null;
0352:                        try {
0353:                            int arrayLength = 10;
0354:                            Thread[] tarray = new Thread[arrayLength];
0355:                            st1 = new SimpleThread(-1);
0356:                            st2 = new SimpleThread(-1);
0357:                            mytg = new ThreadGroup("jp");
0358:                            firstOne = new Thread(mytg, st1, "firstOne2");
0359:                            secondOne = new Thread(mytg, st2, "secondOne1");
0360:                            int count = Thread.enumerate(tarray);
0361:                            assertEquals("Incorrect value returned1", 1, count);
0362:                            synchronized (st1) {
0363:                                firstOne.start();
0364:                                try {
0365:                                    st1.wait();
0366:                                } catch (InterruptedException e) {
0367:                                }
0368:                            }
0369:                            count = Thread.enumerate(tarray);
0370:                            assertEquals("Incorrect value returned2", 2, count);
0371:                            synchronized (st2) {
0372:                                secondOne.start();
0373:                                try {
0374:                                    st2.wait();
0375:                                } catch (InterruptedException e) {
0376:                                }
0377:                            }
0378:                            count = Thread.enumerate(tarray);
0379:                            assertEquals("Incorrect value returned3", 3, count);
0380:                        } catch (junit.framework.AssertionFailedError e) {
0381:                            failed = true;
0382:                            failMessage = e.getMessage();
0383:                        } finally {
0384:                            synchronized (st1) {
0385:                                firstOne.interrupt();
0386:                            }
0387:                            synchronized (st2) {
0388:                                secondOne.interrupt();
0389:                            }
0390:                            try {
0391:                                firstOne.join();
0392:                                secondOne.join();
0393:                            } catch (InterruptedException e) {
0394:                            }
0395:                            mytg.destroy();
0396:                        }
0397:                    }
0398:                }
0399:                ;
0400:
0401:                ThreadGroup tg = new ThreadGroup("tg");
0402:                MyThread t = new MyThread(tg, "top");
0403:                t.start();
0404:                try {
0405:                    t.join();
0406:                } catch (InterruptedException e) {
0407:                    fail("Unexpected interrupt");
0408:                } finally {
0409:                    tg.destroy();
0410:                }
0411:                assertFalse(t.failMessage, t.failed);
0412:            }
0413:
0414:            /**
0415:             * @tests java.lang.Thread#getContextClassLoader()
0416:             */
0417:            public void test_getContextClassLoader() {
0418:                // Test for method java.lang.ClassLoader
0419:                // java.lang.Thread.getContextClassLoader()
0420:                Thread t = new Thread();
0421:                assertTrue("Incorrect class loader returned", t
0422:                        .getContextClassLoader() == Thread.currentThread()
0423:                        .getContextClassLoader());
0424:                t.start();
0425:
0426:            }
0427:
0428:            /**
0429:             * @tests java.lang.Thread#getName()
0430:             */
0431:            public void test_getName() {
0432:                // Test for method java.lang.String java.lang.Thread.getName()
0433:                st = new Thread(new SimpleThread(1), "SimpleThread6");
0434:                assertEquals("Returned incorrect thread name", "SimpleThread6",
0435:                        st.getName());
0436:                st.start();
0437:            }
0438:
0439:            /**
0440:             * @tests java.lang.Thread#getPriority()
0441:             */
0442:            public void test_getPriority() {
0443:                // Test for method int java.lang.Thread.getPriority()
0444:                st = new Thread(new SimpleThread(1));
0445:                st.setPriority(Thread.MAX_PRIORITY);
0446:                assertTrue("Returned incorrect thread priority", st
0447:                        .getPriority() == Thread.MAX_PRIORITY);
0448:                st.start();
0449:            }
0450:
0451:            /**
0452:             * @tests java.lang.Thread#getThreadGroup()
0453:             */
0454:            public void test_getThreadGroup() {
0455:                // Test for method java.lang.ThreadGroup
0456:                // java.lang.Thread.getThreadGroup()
0457:                ThreadGroup tg = new ThreadGroup("Test Group4");
0458:                st = new Thread(tg, new SimpleThread(1), "SimpleThread8");
0459:                assertTrue("Returned incorrect thread group", st
0460:                        .getThreadGroup() == tg);
0461:                st.start();
0462:                try {
0463:                    st.join();
0464:                } catch (InterruptedException e) {
0465:                }
0466:                assertNull("group should be null", st.getThreadGroup());
0467:                assertNotNull("toString() should not be null", st.toString());
0468:                tg.destroy();
0469:
0470:                final Object lock = new Object();
0471:                Thread t = new Thread() {
0472:                    @Override
0473:                    public void run() {
0474:                        synchronized (lock) {
0475:                            lock.notifyAll();
0476:                        }
0477:                    }
0478:                };
0479:                synchronized (lock) {
0480:                    t.start();
0481:                    try {
0482:                        lock.wait();
0483:                    } catch (InterruptedException e) {
0484:                    }
0485:                }
0486:                int running = 0;
0487:                while (t.isAlive())
0488:                    running++;
0489:                ThreadGroup group = t.getThreadGroup();
0490:                assertNull("ThreadGroup is not null", group);
0491:            }
0492:
0493:            /**
0494:             * @tests java.lang.Thread#interrupt()
0495:             */
0496:            public void test_interrupt() {
0497:                // Test for method void java.lang.Thread.interrupt()
0498:                final Object lock = new Object();
0499:                class ChildThread1 extends Thread {
0500:                    Thread parent;
0501:
0502:                    boolean sync;
0503:
0504:                    @Override
0505:                    public void run() {
0506:                        if (sync) {
0507:                            synchronized (lock) {
0508:                                lock.notify();
0509:                                try {
0510:                                    lock.wait();
0511:                                } catch (InterruptedException e) {
0512:                                }
0513:                            }
0514:                        }
0515:                        parent.interrupt();
0516:                    }
0517:
0518:                    public ChildThread1(Thread p, String name, boolean sync) {
0519:                        super (name);
0520:                        parent = p;
0521:                        this .sync = sync;
0522:                    }
0523:                }
0524:                boolean interrupted = false;
0525:                try {
0526:                    ct = new ChildThread1(Thread.currentThread(),
0527:                            "Interrupt Test1", false);
0528:                    synchronized (lock) {
0529:                        ct.start();
0530:                        lock.wait();
0531:                    }
0532:                } catch (InterruptedException e) {
0533:                    interrupted = true;
0534:                }
0535:                assertTrue("Failed to Interrupt thread1", interrupted);
0536:
0537:                interrupted = false;
0538:                try {
0539:                    ct = new ChildThread1(Thread.currentThread(),
0540:                            "Interrupt Test2", true);
0541:                    synchronized (lock) {
0542:                        ct.start();
0543:                        lock.wait();
0544:                        lock.notify();
0545:                    }
0546:                    Thread.sleep(20000);
0547:                } catch (InterruptedException e) {
0548:                    interrupted = true;
0549:                }
0550:                assertTrue("Failed to Interrupt thread2", interrupted);
0551:
0552:            }
0553:
0554:            /**
0555:             * @tests java.lang.Thread#interrupted()
0556:             */
0557:            public void test_interrupted() {
0558:                assertFalse(
0559:                        "Interrupted returned true for non-interrupted thread",
0560:                        Thread.interrupted());
0561:                Thread.currentThread().interrupt();
0562:                assertTrue(
0563:                        "Interrupted returned true for non-interrupted thread",
0564:                        Thread.interrupted());
0565:                assertFalse("Failed to clear interrupted flag", Thread
0566:                        .interrupted());
0567:            }
0568:
0569:            /**
0570:             * @tests java.lang.Thread#isAlive()
0571:             */
0572:            public void test_isAlive() {
0573:                // Test for method boolean java.lang.Thread.isAlive()
0574:                SimpleThread simple;
0575:                st = new Thread(simple = new SimpleThread(500));
0576:                assertFalse("A thread that wasn't started is alive.", st
0577:                        .isAlive());
0578:                synchronized (simple) {
0579:                    st.start();
0580:                    try {
0581:                        simple.wait();
0582:                    } catch (InterruptedException e) {
0583:                    }
0584:                }
0585:                assertTrue("Started thread returned false", st.isAlive());
0586:                try {
0587:                    st.join();
0588:                } catch (InterruptedException e) {
0589:                    fail("Thread did not die");
0590:                }
0591:                assertTrue("Stopped thread returned true", !st.isAlive());
0592:            }
0593:
0594:            /**
0595:             * @tests java.lang.Thread#isDaemon()
0596:             */
0597:            public void test_isDaemon() {
0598:                // Test for method boolean java.lang.Thread.isDaemon()
0599:                st = new Thread(new SimpleThread(1), "SimpleThread10");
0600:                assertTrue("Non-Daemon thread returned true", !st.isDaemon());
0601:                st.setDaemon(true);
0602:                assertTrue("Daemon thread returned false", st.isDaemon());
0603:                st.start();
0604:            }
0605:
0606:            /**
0607:             * @tests java.lang.Thread#isInterrupted()
0608:             */
0609:            public void test_isInterrupted() {
0610:                // Test for method boolean java.lang.Thread.isInterrupted()
0611:                class SpinThread implements  Runnable {
0612:                    public volatile boolean done = false;
0613:
0614:                    public void run() {
0615:                        while (!Thread.currentThread().isInterrupted())
0616:                            ;
0617:                        while (!done)
0618:                            ;
0619:                    }
0620:                }
0621:
0622:                SpinThread spin = new SpinThread();
0623:                spinner = new Thread(spin);
0624:                spinner.start();
0625:                Thread.yield();
0626:                try {
0627:                    assertTrue("Non-Interrupted thread returned true", !spinner
0628:                            .isInterrupted());
0629:                    spinner.interrupt();
0630:                    assertTrue("Interrupted thread returned false", spinner
0631:                            .isInterrupted());
0632:                    spin.done = true;
0633:                } finally {
0634:                    spinner.interrupt();
0635:                    spin.done = true;
0636:                }
0637:            }
0638:
0639:            /**
0640:             * @tests java.lang.Thread#join()
0641:             */
0642:            public void test_join() {
0643:                // Test for method void java.lang.Thread.join()
0644:                SimpleThread simple;
0645:                try {
0646:                    st = new Thread(simple = new SimpleThread(100));
0647:                    // cause isAlive() to be compiled by the JIT, as it must be called
0648:                    // within 100ms below.
0649:                    assertTrue("Thread is alive", !st.isAlive());
0650:                    synchronized (simple) {
0651:                        st.start();
0652:                        simple.wait();
0653:                    }
0654:                    st.join();
0655:                } catch (InterruptedException e) {
0656:                    fail("Join failed ");
0657:                }
0658:                assertTrue("Joined thread is still alive", !st.isAlive());
0659:                boolean result = true;
0660:                Thread th = new Thread("test");
0661:                try {
0662:                    th.join();
0663:                } catch (InterruptedException e) {
0664:                    result = false;
0665:                }
0666:                assertTrue("Hung joining a non-started thread", result);
0667:                th.start();
0668:            }
0669:
0670:            /**
0671:             * @tests java.lang.Thread#join(long)
0672:             */
0673:            public void test_joinJ() {
0674:                // Test for method void java.lang.Thread.join(long)
0675:                SimpleThread simple;
0676:                try {
0677:                    st = new Thread(simple = new SimpleThread(1000),
0678:                            "SimpleThread12");
0679:                    // cause isAlive() to be compiled by the JIT, as it must be called
0680:                    // within 100ms below.
0681:                    assertTrue("Thread is alive", !st.isAlive());
0682:                    synchronized (simple) {
0683:                        st.start();
0684:                        simple.wait();
0685:                    }
0686:                    st.join(10);
0687:                } catch (InterruptedException e) {
0688:                    fail("Join failed ");
0689:                }
0690:                assertTrue("Join failed to timeout", st.isAlive());
0691:
0692:                st.interrupt();
0693:                try {
0694:                    st = new Thread(simple = new SimpleThread(100),
0695:                            "SimpleThread13");
0696:                    synchronized (simple) {
0697:                        st.start();
0698:                        simple.wait();
0699:                    }
0700:                    st.join(1000);
0701:                } catch (InterruptedException e) {
0702:                    fail("Join failed : " + e.getMessage());
0703:                    return;
0704:                }
0705:                assertTrue("Joined thread is still alive", !st.isAlive());
0706:
0707:                final Object lock = new Object();
0708:                final Thread main = Thread.currentThread();
0709:                Thread killer = new Thread(new Runnable() {
0710:                    public void run() {
0711:                        try {
0712:                            synchronized (lock) {
0713:                                lock.notify();
0714:                            }
0715:                            Thread.sleep(100);
0716:                        } catch (InterruptedException e) {
0717:                            return;
0718:                        }
0719:                        main.interrupt();
0720:                    }
0721:                });
0722:                boolean result = true;
0723:                Thread th = new Thread("test");
0724:                try {
0725:                    synchronized (lock) {
0726:                        killer.start();
0727:                        lock.wait();
0728:                    }
0729:                    th.join(200);
0730:                } catch (InterruptedException e) {
0731:                    result = false;
0732:                }
0733:                killer.interrupt();
0734:                assertTrue("Hung joining a non-started thread", result);
0735:                th.start();
0736:            }
0737:
0738:            /**
0739:             * @tests java.lang.Thread#join(long, int)
0740:             */
0741:            public void test_joinJI() throws Exception {
0742:                // Test for method void java.lang.Thread.join(long, int)
0743:                SimpleThread simple;
0744:                st = new Thread(simple = new SimpleThread(1000), "Squawk1");
0745:                assertTrue("Thread is alive", !st.isAlive());
0746:                synchronized (simple) {
0747:                    st.start();
0748:                    simple.wait();
0749:                }
0750:
0751:                long firstRead = System.currentTimeMillis();
0752:                st.join(100, 999999);
0753:                long secondRead = System.currentTimeMillis();
0754:                assertTrue("Did not join by appropriate time: " + secondRead
0755:                        + "-" + firstRead + "=" + (secondRead - firstRead),
0756:                        secondRead - firstRead <= 300);
0757:                assertTrue("Joined thread is not alive", st.isAlive());
0758:                st.interrupt();
0759:
0760:                final Object lock = new Object();
0761:                final Thread main = Thread.currentThread();
0762:                Thread killer = new Thread(new Runnable() {
0763:                    public void run() {
0764:                        try {
0765:                            synchronized (lock) {
0766:                                lock.notify();
0767:                            }
0768:                            Thread.sleep(100);
0769:                        } catch (InterruptedException e) {
0770:                            return;
0771:                        }
0772:                        main.interrupt();
0773:                    }
0774:                });
0775:                boolean result = true;
0776:                Thread th = new Thread("test");
0777:                try {
0778:                    synchronized (lock) {
0779:                        killer.start();
0780:                        lock.wait();
0781:                    }
0782:                    th.join(200, 20);
0783:                } catch (InterruptedException e) {
0784:                    result = false;
0785:                }
0786:                killer.interrupt();
0787:                assertTrue("Hung joining a non-started thread", result);
0788:                th.start();
0789:            }
0790:
0791:            /**
0792:             * @tests java.lang.Thread#resume()
0793:             */
0794:            @SuppressWarnings("deprecation")
0795:            public void test_resume() {
0796:                // Test for method void java.lang.Thread.resume()
0797:                int orgval;
0798:                ResSupThread t;
0799:                try {
0800:                    t = new ResSupThread(Thread.currentThread());
0801:                    synchronized (t) {
0802:                        ct = new Thread(t, "Interrupt Test2");
0803:                        ct.start();
0804:                        t.wait();
0805:                    }
0806:                    ct.suspend();
0807:                    // Wait to be sure the suspend has occurred
0808:                    Thread.sleep(500);
0809:                    orgval = t.getCheckVal();
0810:                    // Wait to be sure the thread is suspended
0811:                    Thread.sleep(500);
0812:                    assertTrue("Failed to suspend thread", orgval == t
0813:                            .getCheckVal());
0814:                    ct.resume();
0815:                    // Wait to be sure the resume has occurred.
0816:                    Thread.sleep(500);
0817:                    assertTrue("Failed to resume thread", orgval != t
0818:                            .getCheckVal());
0819:                    ct.interrupt();
0820:                } catch (InterruptedException e) {
0821:                    fail("Unexpected interrupt occurred : " + e.getMessage());
0822:                }
0823:            }
0824:
0825:            /**
0826:             * @tests java.lang.Thread#run()
0827:             */
0828:            public void test_run() {
0829:                // Test for method void java.lang.Thread.run()
0830:                class RunThread implements  Runnable {
0831:                    boolean didThreadRun = false;
0832:
0833:                    public void run() {
0834:                        didThreadRun = true;
0835:                    }
0836:                }
0837:                RunThread rt = new RunThread();
0838:                Thread t = new Thread(rt);
0839:                try {
0840:                    t.start();
0841:                    int count = 0;
0842:                    while (!rt.didThreadRun && count < 20) {
0843:                        Thread.sleep(100);
0844:                        count++;
0845:                    }
0846:                    assertTrue("Thread did not run", rt.didThreadRun);
0847:                    t.join();
0848:                } catch (InterruptedException e) {
0849:                    assertTrue("Joined thread was interrupted", true);
0850:                }
0851:                assertTrue("Joined thread is still alive", !t.isAlive());
0852:            }
0853:
0854:            /**
0855:             * @tests java.lang.Thread#setDaemon(boolean)
0856:             */
0857:            public void test_setDaemonZ() {
0858:                // Test for method void java.lang.Thread.setDaemon(boolean)
0859:                st = new Thread(new SimpleThread(1), "SimpleThread14");
0860:                st.setDaemon(true);
0861:                assertTrue("Failed to set thread as daemon thread", st
0862:                        .isDaemon());
0863:                st.start();
0864:            }
0865:
0866:            /**
0867:             * @tests java.lang.Thread#setName(java.lang.String)
0868:             */
0869:            public void test_setNameLjava_lang_String() {
0870:                // Test for method void java.lang.Thread.setName(java.lang.String)
0871:                st = new Thread(new SimpleThread(1), "SimpleThread15");
0872:                st.setName("Bogus Name");
0873:                assertEquals("Failed to set thread name", "Bogus Name", st
0874:                        .getName());
0875:                try {
0876:                    st.setName(null);
0877:                    fail("Null should not be accepted as a valid name");
0878:                } catch (NullPointerException e) {
0879:                    // success
0880:                    assertTrue("Null should not be accepted as a valid name",
0881:                            true);
0882:                }
0883:                st.start();
0884:            }
0885:
0886:            /**
0887:             * @tests java.lang.Thread#setPriority(int)
0888:             */
0889:            public void test_setPriorityI() {
0890:                // Test for method void java.lang.Thread.setPriority(int)
0891:                st = new Thread(new SimpleThread(1));
0892:                st.setPriority(Thread.MAX_PRIORITY);
0893:                assertTrue("Failed to set priority",
0894:                        st.getPriority() == Thread.MAX_PRIORITY);
0895:                st.start();
0896:            }
0897:
0898:            /**
0899:             * @tests java.lang.Thread#sleep(long)
0900:             */
0901:            public void test_sleepJ() {
0902:                // Test for method void java.lang.Thread.sleep(long)
0903:
0904:                // TODO : Test needs enhancing.
0905:                long stime = 0, ftime = 0;
0906:                try {
0907:                    stime = System.currentTimeMillis();
0908:                    Thread.sleep(1000);
0909:                    ftime = System.currentTimeMillis();
0910:                } catch (InterruptedException e) {
0911:                    fail("Unexpected interrupt received");
0912:                }
0913:                assertTrue("Failed to sleep long enough",
0914:                        (ftime - stime) >= 800);
0915:            }
0916:
0917:            /**
0918:             * @tests java.lang.Thread#sleep(long, int)
0919:             */
0920:            public void test_sleepJI() {
0921:                // Test for method void java.lang.Thread.sleep(long, int)
0922:
0923:                // TODO : Test needs revisiting.
0924:                long stime = 0, ftime = 0;
0925:                try {
0926:                    stime = System.currentTimeMillis();
0927:                    Thread.sleep(1000, 999999);
0928:                    ftime = System.currentTimeMillis();
0929:                } catch (InterruptedException e) {
0930:                    fail("Unexpected interrupt received");
0931:                }
0932:                long result = ftime - stime;
0933:                assertTrue("Failed to sleep long enough: " + result,
0934:                        result >= 900 && result <= 1100);
0935:            }
0936:
0937:            /**
0938:             * @tests java.lang.Thread#start()
0939:             */
0940:            public void test_start() {
0941:                // Test for method void java.lang.Thread.start()
0942:                try {
0943:                    ResSupThread t = new ResSupThread(Thread.currentThread());
0944:                    synchronized (t) {
0945:                        ct = new Thread(t, "Interrupt Test4");
0946:                        ct.start();
0947:                        t.wait();
0948:                    }
0949:                    assertTrue("Thread is not running1", ct.isAlive());
0950:                    // Let the child thread get going.
0951:                    int orgval = t.getCheckVal();
0952:                    Thread.sleep(150);
0953:                    assertTrue("Thread is not running2", orgval != t
0954:                            .getCheckVal());
0955:                    ct.interrupt();
0956:                } catch (InterruptedException e) {
0957:                    fail("Unexpected interrupt occurred");
0958:                }
0959:            }
0960:
0961:            /**
0962:             * @tests java.lang.Thread#stop()
0963:             */
0964:            @SuppressWarnings("deprecation")
0965:            public void test_stop() {
0966:                // Test for method void java.lang.Thread.stop()
0967:                try {
0968:                    Runnable r = new ResSupThread(null);
0969:                    synchronized (r) {
0970:                        st = new Thread(r, "Interupt Test5");
0971:                        st.start();
0972:                        r.wait();
0973:                    }
0974:
0975:                } catch (InterruptedException e) {
0976:                    fail("Unexpected interrupt received");
0977:                }
0978:                st.stop();
0979:
0980:                try {
0981:                    st.join(10000);
0982:                } catch (InterruptedException e1) {
0983:                    st.interrupt();
0984:                    fail("Failed to stopThread before 10000 timeout");
0985:                }
0986:                assertTrue("Failed to stopThread", !st.isAlive());
0987:            }
0988:
0989:            /**
0990:             * @tests java.lang.Thread#stop()
0991:             */
0992:            @SuppressWarnings("deprecation")
0993:            public void test_stop_subtest0() {
0994:                Thread t = new Thread("t");
0995:                class MySecurityManager extends SecurityManager {
0996:                    public boolean intest = false;
0997:
0998:                    @Override
0999:                    public void checkAccess(Thread t) {
1000:                        if (intest) {
1001:                            fail("checkAccess called");
1002:                        }
1003:                    }
1004:
1005:                    @Override
1006:                    public void checkPermission(Permission permission) {
1007:                        if (permission.getName().equals("setSecurityManager")) {
1008:                            return;
1009:                        }
1010:                        super .checkPermission(permission);
1011:                    }
1012:                }
1013:                MySecurityManager sm = new MySecurityManager();
1014:                System.setSecurityManager(sm);
1015:                try {
1016:                    sm.intest = true;
1017:                    try {
1018:                        t.stop();
1019:                        // Ignore any SecurityExceptions, may not have stopThread
1020:                        // permission
1021:                    } catch (SecurityException e) {
1022:                    }
1023:                    sm.intest = false;
1024:                    t.start();
1025:                    try {
1026:                        t.join(2000);
1027:                    } catch (InterruptedException e) {
1028:                    }
1029:                    sm.intest = true;
1030:                    try {
1031:                        t.stop();
1032:                        // Ignore any SecurityExceptions, may not have stopThread
1033:                        // permission
1034:                    } catch (SecurityException e) {
1035:                    }
1036:                    sm.intest = false;
1037:                } finally {
1038:                    System.setSecurityManager(null);
1039:                }
1040:            }
1041:
1042:            /**
1043:             * @tests java.lang.Thread#stop(java.lang.Throwable)
1044:             */
1045:            @SuppressWarnings("deprecation")
1046:            public void test_stopLjava_lang_Throwable_subtest0() {
1047:                Thread t = new Thread("t");
1048:                class MySecurityManager extends SecurityManager {
1049:                    public boolean intest = false;
1050:
1051:                    public boolean checkAccess = false;
1052:
1053:                    @Override
1054:                    public void checkAccess(Thread t) {
1055:                        if (intest) {
1056:                            checkAccess = true;
1057:                        }
1058:                    }
1059:
1060:                    @Override
1061:                    public void checkPermission(Permission permission) {
1062:                        if (permission.getName().equals("setSecurityManager")) {
1063:                            return;
1064:                        }
1065:                        super .checkPermission(permission);
1066:                    }
1067:                }
1068:                MySecurityManager sm = new MySecurityManager();
1069:                System.setSecurityManager(sm);
1070:                try {
1071:                    sm.intest = true;
1072:                    try {
1073:                        t.stop(new ThreadDeath());
1074:                        // Ignore any SecurityExceptions, may not have stopThread
1075:                        // permission
1076:                    } catch (SecurityException e) {
1077:                    }
1078:                    sm.intest = false;
1079:                    assertTrue("no checkAccess 1", sm.checkAccess);
1080:                    t.start();
1081:                    try {
1082:                        t.join(2000);
1083:                    } catch (InterruptedException e) {
1084:                    }
1085:                    sm.intest = true;
1086:                    sm.checkAccess = false;
1087:                    try {
1088:                        t.stop(new ThreadDeath());
1089:                        // Ignore any SecurityExceptions, may not have stopThread
1090:                        // permission
1091:                    } catch (SecurityException e) {
1092:                    }
1093:                    assertTrue("no checkAccess 2", sm.checkAccess);
1094:                    sm.intest = false;
1095:                } finally {
1096:                    System.setSecurityManager(null);
1097:                }
1098:            }
1099:
1100:            /**
1101:             * @tests java.lang.Thread#stop(java.lang.Throwable)
1102:             */
1103:            @SuppressWarnings("deprecation")
1104:            public void test_stopLjava_lang_Throwable() {
1105:                // Test for method void java.lang.Thread.stop(java.lang.Throwable)
1106:                ResSupThread t = new ResSupThread(Thread.currentThread());
1107:                synchronized (t) {
1108:                    st = new Thread(t, "StopThread");
1109:                    st.setPriority(Thread.MAX_PRIORITY);
1110:                    st.start();
1111:                    try {
1112:                        t.wait();
1113:                    } catch (InterruptedException e) {
1114:                    }
1115:                }
1116:                try {
1117:                    st.stop(new BogusException("Bogus"));
1118:                    Thread.sleep(20000);
1119:                } catch (InterruptedException e) {
1120:                    assertTrue("Stopped child with exception not alive", st
1121:                            .isAlive());
1122:                    st.interrupt();
1123:                    return;
1124:                }
1125:                st.interrupt();
1126:                fail("Stopped child did not throw exception");
1127:            }
1128:
1129:            /**
1130:             * @tests java.lang.Thread#suspend()
1131:             */
1132:            @SuppressWarnings("deprecation")
1133:            public void test_suspend() {
1134:                // Test for method void java.lang.Thread.suspend()
1135:                int orgval;
1136:                ResSupThread t = new ResSupThread(Thread.currentThread());
1137:                try {
1138:                    synchronized (t) {
1139:                        ct = new Thread(t, "Interupt Test6");
1140:                        ct.start();
1141:                        t.wait();
1142:                    }
1143:                    ct.suspend();
1144:                    // Wait to be sure the suspend has occurred
1145:                    Thread.sleep(500);
1146:                    orgval = t.getCheckVal();
1147:                    // Wait to be sure the thread is suspended
1148:                    Thread.sleep(500);
1149:                    assertTrue("Failed to suspend thread", orgval == t
1150:                            .getCheckVal());
1151:                    ct.resume();
1152:                    // Wait to be sure the resume has occurred.
1153:                    Thread.sleep(500);
1154:                    assertTrue("Failed to resume thread", orgval != t
1155:                            .getCheckVal());
1156:                    ct.interrupt();
1157:                } catch (InterruptedException e) {
1158:                    fail("Unexpected interrupt occurred");
1159:                }
1160:
1161:                final Object notify = new Object();
1162:                Thread t1 = new Thread(new Runnable() {
1163:                    public void run() {
1164:                        synchronized (notify) {
1165:                            notify.notify();
1166:                        }
1167:                        Thread.currentThread().suspend();
1168:                    }
1169:                });
1170:                try {
1171:                    synchronized (notify) {
1172:                        t1.start();
1173:                        notify.wait();
1174:                    }
1175:                    // wait for Thread to suspend
1176:                    Thread.sleep(500);
1177:                    assertTrue("Thread should be alive", t1.isAlive());
1178:                    t1.resume();
1179:                    t1.join();
1180:                } catch (InterruptedException e) {
1181:                }
1182:            }
1183:
1184:            /**
1185:             * @tests java.lang.Thread#toString()
1186:             */
1187:            public void test_toString() {
1188:                // Test for method java.lang.String java.lang.Thread.toString()
1189:                ThreadGroup tg = new ThreadGroup("Test Group5");
1190:                st = new Thread(tg, new SimpleThread(1), "SimpleThread17");
1191:                final String stString = st.toString();
1192:                final String expected = "Thread[SimpleThread17,5,Test Group5]";
1193:                assertTrue("Returned incorrect string: " + stString
1194:                        + "\t(expecting :" + expected + ")", stString
1195:                        .equals(expected));
1196:                st.start();
1197:                try {
1198:                    st.join();
1199:                } catch (InterruptedException e) {
1200:                }
1201:                tg.destroy();
1202:            }
1203:
1204:            /**
1205:             * @tests java.lang.Thread#getAllStackTraces()
1206:             */
1207:            public void test_getAllStackTraces() {
1208:                Map<Thread, StackTraceElement[]> stMap = Thread
1209:                        .getAllStackTraces();
1210:                assertNotNull(stMap);
1211:                //TODO add security-based tests
1212:            }
1213:
1214:            /**
1215:             * @tests java.lang.Thread#getDefaultUncaughtExceptionHandler
1216:             * @tests java.lang.Thread#setDefaultUncaughtExceptionHandler
1217:             */
1218:            public void test_get_setDefaultUncaughtExceptionHandler() {
1219:                class Handler implements  UncaughtExceptionHandler {
1220:                    public void uncaughtException(Thread thread, Throwable ex) {
1221:                    }
1222:                }
1223:
1224:                final Handler handler = new Handler();
1225:                Thread.setDefaultUncaughtExceptionHandler(handler);
1226:                assertSame(handler, Thread.getDefaultUncaughtExceptionHandler());
1227:
1228:                Thread.setDefaultUncaughtExceptionHandler(null);
1229:                assertNull(Thread.getDefaultUncaughtExceptionHandler());
1230:                //TODO add security-based tests
1231:            }
1232:
1233:            /**
1234:             * @tests java.lang.Thread#getStackTrace()
1235:             */
1236:            public void test_getStackTrace() {
1237:                StackTraceElement[] stackTrace = Thread.currentThread()
1238:                        .getStackTrace();
1239:
1240:                assertNotNull(stackTrace);
1241:
1242:                stack_trace_loop: {
1243:                    for (int i = 0; i < stackTrace.length; i++) {
1244:                        StackTraceElement e = stackTrace[i];
1245:                        if (getClass().getName().equals(e.getClassName())) {
1246:                            if ("test_getStackTrace".equals(e.getMethodName())) {
1247:                                break stack_trace_loop;
1248:                            }
1249:                        }
1250:                    }
1251:                    fail("class and method not found in stack trace");
1252:                }
1253:
1254:                //TODO add security-based tests
1255:            }
1256:
1257:            /**
1258:             * @tests java.lang.Thread#getState()
1259:             */
1260:            public void test_getState() {
1261:                Thread.State state = Thread.currentThread().getState();
1262:                assertNotNull(state);
1263:                assertEquals(Thread.State.RUNNABLE, state);
1264:                //TODO add additional state tests
1265:            }
1266:
1267:            /**
1268:             * @tests java.lang.Thread#getUncaughtExceptionHandler
1269:             * @tests java.lang.Thread#setUncaughtExceptionHandler
1270:             */
1271:            public void test_get_setUncaughtExceptionHandler() {
1272:                class Handler implements  UncaughtExceptionHandler {
1273:                    public void uncaughtException(Thread thread, Throwable ex) {
1274:                    }
1275:                }
1276:
1277:                final Handler handler = new Handler();
1278:                Thread.currentThread().setUncaughtExceptionHandler(handler);
1279:                assertSame(handler, Thread.currentThread()
1280:                        .getUncaughtExceptionHandler());
1281:
1282:                Thread.currentThread().setUncaughtExceptionHandler(null);
1283:
1284:                //TODO add security-based tests
1285:            }
1286:
1287:            /**
1288:             * @tests java.lang.Thread#getId()
1289:             */
1290:            public void test_getId() {
1291:                assertTrue("current thread's ID is not positive", Thread
1292:                        .currentThread().getId() > 0);
1293:
1294:                //check all the current threads for positive IDs
1295:                Map<Thread, StackTraceElement[]> stMap = Thread
1296:                        .getAllStackTraces();
1297:                for (Thread thread : stMap.keySet()) {
1298:                    assertTrue("thread's ID is not positive: "
1299:                            + thread.getName(), thread.getId() > 0);
1300:                }
1301:            }
1302:
1303:            @Override
1304:            protected void tearDown() {
1305:                try {
1306:                    if (st != null)
1307:                        st.interrupt();
1308:                } catch (Exception e) {
1309:                }
1310:                try {
1311:                    if (spinner != null)
1312:                        spinner.interrupt();
1313:                } catch (Exception e) {
1314:                }
1315:                try {
1316:                    if (ct != null)
1317:                        ct.interrupt();
1318:                } catch (Exception e) {
1319:                }
1320:
1321:                try {
1322:                    spinner = null;
1323:                    st = null;
1324:                    ct = null;
1325:                    System.runFinalization();
1326:                } catch (Exception e) {
1327:                }
1328:            }
1329:        }
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