/** compareAndSet in one thread enables another waiting for value to succeed */
public void testCompareAndSetInMultipleThreads() throws Exception {
x = one;
final AtomicReferenceFieldUpdater<AtomicReferenceFieldUpdaterTest, Integer> a;
try {
a =
AtomicReferenceFieldUpdater.newUpdater(
AtomicReferenceFieldUpdaterTest.class, Integer.class, "x");
} catch (RuntimeException ok) {
return;
}
Thread t =
new Thread(
new CheckedRunnable() {
public void realRun() {
while (!a.compareAndSet(AtomicReferenceFieldUpdaterTest.this, two, three))
Thread.yield();
}
});
t.start();
assertTrue(a.compareAndSet(this, one, two));
t.join(LONG_DELAY_MS);
assertFalse(t.isAlive());
assertSame(a.get(this), three);
}
/** awaitUninterruptibly is uninterruptible */
public void testAwaitUninterruptibly() {
final Mutex sync = new Mutex();
final ConditionObject c = sync.newCondition();
final BooleanLatch pleaseInterrupt = new BooleanLatch();
Thread t =
newStartedThread(
new CheckedRunnable() {
public void realRun() {
sync.acquire();
assertTrue(pleaseInterrupt.releaseShared(0));
c.awaitUninterruptibly();
assertTrue(Thread.interrupted());
assertHasWaitersLocked(sync, c, NO_THREADS);
sync.release();
}
});
pleaseInterrupt.acquireShared(0);
sync.acquire();
assertHasWaitersLocked(sync, c, t);
sync.release();
t.interrupt();
assertHasWaitersUnlocked(sync, c, t);
assertThreadStaysAlive(t);
sync.acquire();
assertHasWaitersLocked(sync, c, t);
assertHasExclusiveQueuedThreads(sync, NO_THREADS);
c.signal();
assertHasWaitersLocked(sync, c, NO_THREADS);
assertHasExclusiveQueuedThreads(sync, t);
sync.release();
awaitTermination(t);
}
@SuppressWarnings("deprecation")
// test explicitly needs to use "stop", which is deprecated
public static void testCase() {
Thread t =
new Thread(
new Runnable() {
public void run() {
try {
synchronized (o) {
in_wait = true;
// System.out.println("wait");
o.wait(3000); // just a bit
in_wait = false;
}
} catch (Exception e) {
// System.out.println(Thread.currentThread().getName() + " caught " + e);
// e.printStackTrace();
in_wait = false;
}
}
});
t.start();
while (!in_wait) {} // Lame
synchronized (o) {
// System.out.println("stop");
t.stop();
}
try {
Thread.sleep(8000); // sleep longer than our wait thread
} catch (Exception e) {
assertTrue(false);
}
assertTrue(in_wait); // if we finished wait, we failed to interrupt
}
/** getSharedQueuedThreads returns all shared waiting threads */
public void testGetSharedQueuedThreads_Shared() {
final BooleanLatch l = new BooleanLatch();
assertHasSharedQueuedThreads(l, NO_THREADS);
Thread t1 =
newStartedThread(
new CheckedInterruptedRunnable() {
public void realRun() throws InterruptedException {
l.acquireSharedInterruptibly(0);
}
});
waitForQueuedThread(l, t1);
assertHasSharedQueuedThreads(l, t1);
Thread t2 =
newStartedThread(
new CheckedRunnable() {
public void realRun() throws InterruptedException {
l.acquireSharedInterruptibly(0);
}
});
waitForQueuedThread(l, t2);
assertHasSharedQueuedThreads(l, t1, t2);
t1.interrupt();
awaitTermination(t1);
assertHasSharedQueuedThreads(l, t2);
assertTrue(l.releaseShared(0));
awaitTermination(t2);
assertHasSharedQueuedThreads(l, NO_THREADS);
}
@Override
protected void setUp() throws Exception {
tmp = IO.getFile("generated/tmp");
tmp.mkdirs();
IO.copy(IO.getFile("testdata/ws"), tmp);
workspace = Workspace.getWorkspace(tmp);
workspace.refresh();
InfoRepository repo = workspace.getPlugin(InfoRepository.class);
t1 = create("bsn-1", new Version(1, 0, 0));
t2 = create("bsn-2", new Version(1, 0, 0));
repo.put(new FileInputStream(t1), null);
repo.put(new FileInputStream(t2), null);
t1 = repo.get("bsn-1", new Version(1, 0, 0), null);
t2 = repo.get("bsn-2", new Version(1, 0, 0), null);
repo.put(new FileInputStream(IO.getFile("generated/biz.aQute.remote.launcher.jar")), null);
workspace.getPlugins().add(repo);
File storage = IO.getFile("generated/storage-1");
storage.mkdirs();
configuration = new HashMap<String, Object>();
configuration.put(
Constants.FRAMEWORK_STORAGE_CLEAN, Constants.FRAMEWORK_STORAGE_CLEAN_ONFIRSTINIT);
configuration.put(Constants.FRAMEWORK_STORAGE, storage.getAbsolutePath());
configuration.put(
Constants.FRAMEWORK_SYSTEMPACKAGES_EXTRA, "org.osgi.framework.launch;version=1.2");
framework = new org.apache.felix.framework.FrameworkFactory().newFramework(configuration);
framework.init();
framework.start();
context = framework.getBundleContext();
location = "reference:" + IO.getFile("generated/biz.aQute.remote.agent.jar").toURI().toString();
agent = context.installBundle(location);
agent.start();
thread =
new Thread() {
@Override
public void run() {
try {
Main.main(
new String[] {
"-s", "generated/storage", "-c", "generated/cache", "-p", "1090", "-et"
});
} catch (Exception e) {
e.printStackTrace();
}
}
};
thread.setDaemon(true);
thread.start();
super.setUp();
}
/** Spin-waits until sync.isQueued(t) becomes true. */
void waitForQueuedThread(AbstractQueuedLongSynchronizer sync, Thread t) {
long startTime = System.nanoTime();
while (!sync.isQueued(t)) {
if (millisElapsedSince(startTime) > LONG_DELAY_MS)
throw new AssertionFailedError("timed out");
Thread.yield();
}
assertTrue(t.isAlive());
}
/** Checks that the threads do not terminate within the given millisecond delay. */
void assertThreadsStayAlive(long millis, Thread... threads) {
try {
// No need to optimize the failing case via Thread.join.
delay(millis);
for (Thread thread : threads) assertTrue(thread.isAlive());
} catch (InterruptedException ie) {
fail("Unexpected InterruptedException");
}
}
/**
* Waits for the specified time (in milliseconds) for the thread to terminate (using {@link
* Thread#join(long)}), else interrupts the thread (in the hope that it may terminate later) and
* fails.
*/
void awaitTermination(Thread t, long timeoutMillis) {
try {
t.join(timeoutMillis);
} catch (InterruptedException ie) {
threadUnexpectedException(ie);
} finally {
if (t.getState() != Thread.State.TERMINATED) {
t.interrupt();
fail("Test timed out");
}
}
}
/**
* Delays, via Thread.sleep, for the given millisecond delay, but if the sleep is shorter than
* specified, may re-sleep or yield until time elapses.
*/
static void delay(long millis) throws InterruptedException {
long startTime = System.nanoTime();
long ns = millis * 1000 * 1000;
for (; ; ) {
if (millis > 0L) Thread.sleep(millis);
else // too short to sleep
Thread.yield();
long d = ns - (System.nanoTime() - startTime);
if (d > 0L) millis = d / (1000 * 1000);
else break;
}
}
private void beforeFirstTest() {
if ((ourMode & START_GUARD) != 0) {
Thread timeAndMemoryGuard =
new Thread() {
@Override
public void run() {
log("Starting Time and Memory Guard");
while (true) {
try {
try {
Thread.sleep(10000);
} catch (InterruptedException e) {
e.printStackTrace();
}
// check for time spent on current test
if (myLastTestStartTime != 0) {
long currTime = System.currentTimeMillis();
long secondsSpent = (currTime - myLastTestStartTime) / 1000L;
Thread currentThread = getCurrentThread();
if (!mySavingMemorySnapshot) {
if (secondsSpent > PlatformTestCase.ourTestTime * myLastTestTestMethodCount) {
UsefulTestCase.printThreadDump();
log(
"Interrupting current Test (out of time)! Test class: "
+ myLastTestClass
+ " Seconds spent = "
+ secondsSpent);
myInterruptedByOutOfTime = true;
if (currentThread != null) {
currentThread.interrupt();
if (!currentThread.isInterrupted()) {
//noinspection deprecation
currentThread.stop(
new RuntimeException("Current Test Interrupted: OUT OF TIME!"));
}
break;
}
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
log("Time and Memory Guard finished.");
}
};
timeAndMemoryGuard.setDaemon(true);
timeAndMemoryGuard.start();
}
myStartTime = System.currentTimeMillis();
}
/*
* Launches against the agent
*/
public void testSimpleLauncher() throws Exception {
Project project = workspace.getProject("p1");
Run bndrun = new Run(workspace, project.getBase(), project.getFile("one.bndrun"));
bndrun.setProperty("-runpath", "biz.aQute.remote.launcher");
bndrun.setProperty("-runbundles", "bsn-1,bsn-2");
bndrun.setProperty("-runremote", "test");
final RemoteProjectLauncherPlugin pl =
(RemoteProjectLauncherPlugin) bndrun.getProjectLauncher();
pl.prepare();
final CountDownLatch latch = new CountDownLatch(1);
final AtomicInteger exitCode = new AtomicInteger(-1);
List<? extends RunSession> sessions = pl.getRunSessions();
assertEquals(1, sessions.size());
final RunSession session = sessions.get(0);
Thread t =
new Thread("test-launch") {
public void run() {
try {
exitCode.set(session.launch());
} catch (Exception e) {
e.printStackTrace();
} finally {
latch.countDown();
}
}
};
t.start();
Thread.sleep(500);
for (Bundle b : context.getBundles()) {
System.out.println(b.getLocation());
}
assertEquals(4, context.getBundles().length);
String p1 = t1.getAbsolutePath();
System.out.println(p1);
assertNotNull(context.getBundle(p1));
assertNotNull(context.getBundle(t2.getAbsolutePath()));
pl.cancel();
latch.await();
assertEquals(-3, exitCode.get());
bndrun.close();
}
/**
* Spin-waits up to the specified number of milliseconds for the given thread to enter a wait
* state: BLOCKED, WAITING, or TIMED_WAITING.
*/
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
long startTime = System.nanoTime();
for (; ; ) {
Thread.State s = thread.getState();
if (s == Thread.State.BLOCKED || s == Thread.State.WAITING || s == Thread.State.TIMED_WAITING)
return;
else if (s == Thread.State.TERMINATED) fail("Unexpected thread termination");
else if (millisElapsedSince(startTime) > timeoutMillis) {
threadAssertTrue(thread.isAlive());
return;
}
Thread.yield();
}
}
/** tryAcquireNanos is interruptible */
public void testTryAcquireNanos_Interruptible() {
final Mutex sync = new Mutex();
sync.acquire();
Thread t =
newStartedThread(
new CheckedInterruptedRunnable() {
public void realRun() throws InterruptedException {
sync.tryAcquireNanos(MILLISECONDS.toNanos(2 * LONG_DELAY_MS));
}
});
waitForQueuedThread(sync, t);
t.interrupt();
awaitTermination(t);
}
/*
* Launches against the agent& main
*/
public void testAgentAndMain() throws Exception {
Project project = workspace.getProject("p1");
Run bndrun = new Run(workspace, project.getBase(), project.getFile("one.bndrun"));
bndrun.setProperty("-runpath", "biz.aQute.remote.launcher");
bndrun.setProperty("-runbundles", "bsn-1,bsn-2");
bndrun.setProperty("-runremote", "agent,main;agent=1090");
final RemoteProjectLauncherPlugin pl =
(RemoteProjectLauncherPlugin) bndrun.getProjectLauncher();
pl.prepare();
List<? extends RunSession> sessions = pl.getRunSessions();
assertEquals(2, sessions.size());
RunSession agent = sessions.get(0);
RunSession main = sessions.get(1);
CountDownLatch agentLatch = launch(agent);
CountDownLatch mainLatch = launch(main);
agent.waitTillStarted(1000);
main.waitTillStarted(1000);
Thread.sleep(500);
agent.cancel();
main.cancel();
agentLatch.await();
mainLatch.await();
assertEquals(-3, agent.getExitCode());
assertEquals(-3, main.getExitCode());
bndrun.close();
}
public void run() {
try {
Thread.sleep(MEDIUM_DELAY_MS);
fail("should throw exception");
} catch (InterruptedException success) {
}
}
public boolean checkEvents(BundleEvent[] expevents) {
boolean res = true;
for (int i = 0; i < 20; i++) {
try {
Thread.sleep(100);
} catch (InterruptedException ignore) {
}
if (events.size() == expevents.length) {
break;
}
}
if (events.size() == expevents.length) {
for (int i = 0; i < events.size(); i++) {
BundleEvent be = (BundleEvent) events.elementAt(i);
if (!(be.getBundle().equals(expevents[i].getBundle())
&& be.getType() == expevents[i].getType())) {
res = false;
}
}
} else {
res = false;
}
if (!res) {
out.println("Real events");
for (int i = 0; i < events.size(); i++) {
BundleEvent be = (BundleEvent) events.elementAt(i);
out.println("Event " + be.getBundle() + ", Type " + be.getType());
}
out.println("Expected events");
for (int i = 0; i < expevents.length; i++) {
out.println("Event " + expevents[i].getBundle() + ", Type " + expevents[i].getType());
}
}
return res;
}
/**
* The AIM server doesn't like it if we change states too often and we use this method to slow
* things down.
*/
private void pauseBetweenStateChanges() {
try {
Thread.sleep(5000);
} catch (InterruptedException ex) {
logger.debug("Pausing between state changes was interrupted", ex);
}
}
public void testEmptyHeader() {
fFrame = new JFrame("Test Window");
// Create a panel to hold all other components
JPanel topPanel = new JPanel();
topPanel.setLayout(new BorderLayout());
// Create a new table instance
MyTableModel myModel = new MyTableModel();
fTable = new JTable(myModel);
// Add the table to a scrolling pane
JScrollPane scrollPane = new JScrollPane(fTable);
topPanel.add(scrollPane, BorderLayout.CENTER);
fFrame.getContentPane().setLayout(new BorderLayout());
fFrame.getContentPane().add(BorderLayout.CENTER, topPanel);
fFrame.setSize(400, 450);
fFrame.setLocation(20, 20);
fFrame.setVisible(true);
try {
Thread.sleep(500);
} catch (InterruptedException e) {
e.printStackTrace();
}
JTableHeader header = fTable.getTableHeader();
assertTrue(
"JTableHeader greater than 5 pixels tall with empty string first element.",
header.getSize().height > 5);
fFrame.setVisible(false);
fFrame.dispose();
}
public void run() {
try {
Thread.sleep(LONG_DELAY_MS);
done = true;
} catch (Exception e) {
}
}
public void run() {
try {
Thread.sleep(MEDIUM_DELAY_MS);
} catch (Exception e) {
fail("Unexpected exception");
}
}
/** getFirstQueuedThread returns first waiting thread or null if none */
public void testGetFirstQueuedThread() {
final Mutex sync = new Mutex();
assertNull(sync.getFirstQueuedThread());
sync.acquire();
Thread t1 = newStartedThread(new InterruptedSyncRunnable(sync));
waitForQueuedThread(sync, t1);
assertEquals(t1, sync.getFirstQueuedThread());
Thread t2 = newStartedThread(new InterruptibleSyncRunnable(sync));
waitForQueuedThread(sync, t2);
assertEquals(t1, sync.getFirstQueuedThread());
t1.interrupt();
awaitTermination(t1);
assertEquals(t2, sync.getFirstQueuedThread());
sync.release();
awaitTermination(t2);
assertNull(sync.getFirstQueuedThread());
}
public Object call() {
try {
Thread.sleep(SMALL_DELAY_MS);
done = true;
} catch (Exception e) {
}
return Boolean.TRUE;
}
public Object call() {
try {
Thread.sleep(SMALL_DELAY_MS);
} catch (Exception e) {
fail("Unexpected exception");
}
return Boolean.TRUE;
}
/** hasQueuedThreads reports whether there are waiting threads */
public void testHasQueuedThreads() {
final Mutex sync = new Mutex();
assertFalse(sync.hasQueuedThreads());
sync.acquire();
Thread t1 = newStartedThread(new InterruptedSyncRunnable(sync));
waitForQueuedThread(sync, t1);
assertTrue(sync.hasQueuedThreads());
Thread t2 = newStartedThread(new InterruptibleSyncRunnable(sync));
waitForQueuedThread(sync, t2);
assertTrue(sync.hasQueuedThreads());
t1.interrupt();
awaitTermination(t1);
assertTrue(sync.hasQueuedThreads());
sync.release();
awaitTermination(t2);
assertFalse(sync.hasQueuedThreads());
}
/** acquireSharedInterruptibly is interruptible */
public void testAcquireSharedInterruptibly_Interruptible() {
final BooleanLatch l = new BooleanLatch();
Thread t =
newStartedThread(
new CheckedInterruptedRunnable() {
public void realRun() throws InterruptedException {
assertFalse(l.isSignalled());
l.acquireSharedInterruptibly(0);
}
});
waitForQueuedThread(l, t);
assertFalse(l.isSignalled());
t.interrupt();
awaitTermination(t);
assertFalse(l.isSignalled());
}
public void run() {
Configuration conf = new Configuration();
try {
conf.setEventManager(new EventManager());
Thread.sleep(100);
} catch (Exception ex) {
ex.printStackTrace();
}
}
public void testInterruptible(final AwaitMethod awaitMethod) {
final Mutex sync = new Mutex();
final ConditionObject c = sync.newCondition();
final BooleanLatch pleaseInterrupt = new BooleanLatch();
Thread t =
newStartedThread(
new CheckedInterruptedRunnable() {
public void realRun() throws InterruptedException {
sync.acquire();
assertTrue(pleaseInterrupt.releaseShared(0));
await(c, awaitMethod);
}
});
pleaseInterrupt.acquireShared(0);
t.interrupt();
awaitTermination(t);
}
/** tryAcquireSharedNanos is interruptible */
public void testTryAcquireSharedNanos_Interruptible() {
final BooleanLatch l = new BooleanLatch();
Thread t =
newStartedThread(
new CheckedInterruptedRunnable() {
public void realRun() throws InterruptedException {
assertFalse(l.isSignalled());
long nanos = MILLISECONDS.toNanos(2 * LONG_DELAY_MS);
l.tryAcquireSharedNanos(0, nanos);
}
});
waitForQueuedThread(l, t);
assertFalse(l.isSignalled());
t.interrupt();
awaitTermination(t);
assertFalse(l.isSignalled());
}
private CountDownLatch launch(final RunSession session) {
final CountDownLatch latch = new CountDownLatch(1);
Thread t =
new Thread("test-launch") {
public void run() {
try {
session.launch();
} catch (Exception e) {
e.printStackTrace();
} finally {
latch.countDown();
}
}
};
t.start();
return latch;
}
/** getSharedQueuedThreads does not include exclusively waiting threads */
public void testGetSharedQueuedThreads_Exclusive() {
final Mutex sync = new Mutex();
assertTrue(sync.getSharedQueuedThreads().isEmpty());
sync.acquire();
assertTrue(sync.getSharedQueuedThreads().isEmpty());
Thread t1 = newStartedThread(new InterruptedSyncRunnable(sync));
waitForQueuedThread(sync, t1);
assertTrue(sync.getSharedQueuedThreads().isEmpty());
Thread t2 = newStartedThread(new InterruptibleSyncRunnable(sync));
waitForQueuedThread(sync, t2);
assertTrue(sync.getSharedQueuedThreads().isEmpty());
t1.interrupt();
awaitTermination(t1);
assertTrue(sync.getSharedQueuedThreads().isEmpty());
sync.release();
awaitTermination(t2);
assertTrue(sync.getSharedQueuedThreads().isEmpty());
}
