public void TestLockInterruptibly2()
{
ReentrantLock locker = new ReentrantLock();
try
{
locker.LockInterruptibly();
}
catch (Exception e)
{
UnexpectedException(e);
}
Thread t = new Thread(InterruptedLockRunnable);
try
{
t.Start(locker);
t.Interrupt();
Assert.IsTrue(locker.IsLocked);
Assert.IsTrue(locker.IsHeldByCurrentThread);
t.Join();
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestGetQueueLengthFair()
{
ReentrantLock locker = new ReentrantLock(true);
Thread t1 = new Thread(InterruptedLockRunnable);
Thread t2 = new Thread(InterruptibleLockRunnable);
try
{
Assert.AreEqual(0, locker.QueueLength);
locker.Lock();
t1.Start(locker);
Thread.Sleep(SHORT_DELAY_MS);
Assert.AreEqual(1, locker.QueueLength);
t2.Start(locker);
Thread.Sleep(SHORT_DELAY_MS);
Assert.AreEqual(2, locker.QueueLength);
t1.Interrupt();
Thread.Sleep(SHORT_DELAY_MS);
Assert.AreEqual(1, locker.QueueLength);
locker.UnLock();
Thread.Sleep(SHORT_DELAY_MS);
Assert.AreEqual(0, locker.QueueLength);
t1.Join();
t2.Join();
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestConstructor()
{
ReentrantLock rl = new ReentrantLock();
Assert.IsFalse(rl.IsFair);
ReentrantLock r2 = new ReentrantLock(true);
Assert.True(r2.IsFair);
}
public void TestLock()
{
ReentrantLock rl = new ReentrantLock();
rl.Lock();
Assert.IsTrue(rl.IsLocked);
rl.UnLock();
}
public void TestHasQueuedThread()
{
ReentrantLock sync = new ReentrantLock();
Thread t1 = new Thread(InterruptedLockRunnable);
Thread t2 = new Thread(InterruptibleLockRunnable);
try
{
Assert.IsFalse(sync.HasQueuedThread(t1));
Assert.IsFalse(sync.HasQueuedThread(t2));
sync.Lock();
t1.Start();
Thread.Sleep(SHORT_DELAY_MS);
Assert.IsTrue(sync.HasQueuedThread(t1));
t2.Start();
Thread.Sleep(SHORT_DELAY_MS);
Assert.IsTrue(sync.HasQueuedThread(t1));
Assert.IsTrue(sync.HasQueuedThread(t2));
t1.Interrupt();
Thread.Sleep(SHORT_DELAY_MS);
Assert.IsFalse(sync.HasQueuedThread(t1));
Assert.IsTrue(sync.HasQueuedThread(t2));
sync.UnLock();
Thread.Sleep(SHORT_DELAY_MS);
Assert.IsFalse(sync.HasQueuedThread(t1));
Thread.Sleep(SHORT_DELAY_MS);
Assert.IsFalse(sync.HasQueuedThread(t2));
t1.Join();
t2.Join();
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestAwaitLockCount()
{
ReentrantLock locker = new ReentrantLock();
Condition c = locker.NewCondition();
Pair data = new Pair(locker, c);
Thread t1 = new Thread(TestAwaitLockCountRunnable1);
Thread t2 = new Thread(TestAwaitLockCountRunnable2);
try
{
t1.Start(data);
t2.Start(data);
Thread.Sleep(SHORT_DELAY_MS);
locker.Lock();
c.SignalAll();
locker.UnLock();
t1.Join(SHORT_DELAY_MS);
t2.Join(SHORT_DELAY_MS);
Assert.IsFalse(t1.IsAlive);
Assert.IsFalse(t2.IsAlive);
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestGetWaitQueueLength()
{
ReentrantLock locker = new ReentrantLock();
Condition c = locker.NewCondition();
Pair data = new Pair(locker, c);
Thread t1 = new Thread(TestGetWaitQueueLengthRunnable1);
Thread t2 = new Thread(TestGetWaitQueueLengthRunnable2);
try
{
t1.Start(data);
Thread.Sleep(SHORT_DELAY_MS);
t2.Start(data);
Thread.Sleep(SHORT_DELAY_MS);
locker.Lock();
Assert.IsTrue(locker.HasWaiters(c));
Assert.AreEqual(2, locker.GetWaitQueueLength(c));
c.SignalAll();
locker.UnLock();
Thread.Sleep(SHORT_DELAY_MS);
locker.Lock();
Assert.IsFalse(locker.HasWaiters(c));
Assert.AreEqual(0, locker.GetWaitQueueLength(c));
locker.UnLock();
t1.Join(SHORT_DELAY_MS);
t2.Join(SHORT_DELAY_MS);
Assert.IsFalse(t1.IsAlive);
Assert.IsFalse(t2.IsAlive);
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestFairLock()
{
ReentrantLock rl = new ReentrantLock(true);
rl.Lock();
Assert.IsTrue(rl.IsLocked);
rl.UnLock();
}
public void TestTryLock()
{
ReentrantLock rl = new ReentrantLock();
Assert.IsTrue(rl.TryLock());
Assert.IsTrue(rl.IsLocked);
rl.UnLock();
}
public void TestConstructor()
{
ReentrantLock rl = new ReentrantLock();
Assert.IsFalse(rl.IsFair);
ReentrantLock r2 = new ReentrantLock(true);
Assert.True(r2.IsFair);
}
public void TestToString()
{
ReentrantLock locker = new ReentrantLock();
String us = locker.ToString();
Assert.IsTrue(us.IndexOf("Unlocked") >= 0);
locker.Lock();
String ls = locker.ToString();
Assert.IsTrue(ls.IndexOf("Locked") >= 0);
}
private void InterruptibleLockRunnable(object state)
{
ReentrantLock locker = state as ReentrantLock;
try
{
locker.LockInterruptibly();
}
catch (ThreadInterruptedException)
{
}
}
private void TestTryLockTimeoutRunnable(Object state)
{
ReentrantLock locker = state as ReentrantLock;
try
{
ThreadAssertFalse(locker.TryLock(1));
}
catch (Exception e)
{
ThreadUnexpectedException(e);
}
}
public void TestUnlockThreadStateException()
{
ReentrantLock rl = new ReentrantLock();
try
{
rl.UnLock();
ShouldThrow();
}
catch (ThreadStateException)
{
}
}
private void TestInterruptedException2Runnable(Object state)
{
ReentrantLock locker = state as ReentrantLock;
try
{
locker.TryLock(MEDIUM_DELAY_MS);
ThreadShouldThrow();
}
catch (ThreadInterruptedException)
{
}
}
public void TestHasQueuedThreadNRE()
{
ReentrantLock sync = new ReentrantLock();
try
{
sync.HasQueuedThread(null);
ShouldThrow();
}
catch (NullReferenceException)
{
}
}
private void TestIsLockedRunnable(Object state)
{
ReentrantLock locker = state as ReentrantLock;
locker.Lock();
try
{
Thread.Sleep(SMALL_DELAY_MS);
}
catch (Exception e)
{
ThreadUnexpectedException(e);
}
locker.UnLock();
}
public void TestAwaitTimeout()
{
ReentrantLock locker = new ReentrantLock();
Condition c = locker.NewCondition();
try
{
locker.Lock();
c.Await(SHORT_DELAY_MS);
locker.UnLock();
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestAwaitUntilTimeout()
{
ReentrantLock locker = new ReentrantLock();
Condition c = locker.NewCondition();
try
{
locker.Lock();
c.AwaitUntil(DateTime.Now.AddMilliseconds(100));
locker.UnLock();
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestGetHoldCount()
{
ReentrantLock locker = new ReentrantLock();
for (int i = 1; i <= SIZE; i++)
{
locker.Lock();
Assert.AreEqual(i, locker.HoldCount);
}
for (int i = SIZE; i > 0; i--)
{
locker.UnLock();
Assert.AreEqual(i - 1, locker.HoldCount);
}
}
private void TestAwaitTimedInterruptRunnable(Object state)
{
Pair data = state as Pair;
ReentrantLock locker = data.first as ReentrantLock;
Condition c = data.second as Condition;
try
{
locker.Lock();
c.Await(1000); // 1 sec
locker.UnLock();
ThreadShouldThrow();
}
catch (ThreadInterruptedException)
{
}
}
private void TestAwaitUntilInterruptRunnable(Object state)
{
Pair data = state as Pair;
ReentrantLock locker = data.first as ReentrantLock;
Condition c = data.second as Condition;
try
{
locker.Lock();
c.AwaitUntil(DateTime.Now.AddMilliseconds(10000));
locker.UnLock();
ThreadShouldThrow();
}
catch (ThreadInterruptedException)
{
}
}
public void TestGetWaitQueueLengthNRE()
{
ReentrantLock locker = new ReentrantLock();
try
{
locker.GetWaitQueueLength(null);
ShouldThrow();
}
catch (NullReferenceException)
{
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestHasWaitersNRE()
{
ReentrantLock locker = new ReentrantLock();
try
{
locker.HasWaiters(null);
ShouldThrow();
}
catch (NullReferenceException)
{
}
catch (Exception e)
{
UnexpectedException(e);
}
}
private void TestAwaitRunnable(Object state)
{
Pair data = state as Pair;
ReentrantLock locker = data.first as ReentrantLock;
Condition c = data.second as Condition;
try
{
locker.Lock();
c.Await();
locker.UnLock();
}
catch (ThreadInterruptedException e)
{
ThreadUnexpectedException(e);
}
}
public void TestAwaitWithTimeout()
{
ReentrantLock locker = new ReentrantLock();
Condition c = locker.NewCondition();
try
{
locker.Lock();
long t = c.Await(1);
Assert.IsTrue(t <= 0);
locker.UnLock();
}
catch (Exception e)
{
UnexpectedException(e);
}
}
private void TestGetWaitingThreadsRunnable2(Object state)
{
Pair data = state as Pair;
ReentrantLock locker = data.first as ReentrantLock;
Condition c = data.second as Condition;
try
{
locker.Lock();
ThreadAssertFalse(locker.GetWaitingThreads(c).IsEmpty());
c.Await();
locker.UnLock();
}
catch (ThreadInterruptedException e)
{
ThreadUnexpectedException(e);
}
}
public void TestTryLockTimeout()
{
ReentrantLock locker = new ReentrantLock();
locker.Lock();
Thread t = new Thread(TestTryLockTimeoutRunnable);
try
{
t.Start(locker);
t.Join();
locker.UnLock();
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestHasWaitersTSE()
{
ReentrantLock locker = new ReentrantLock();
Condition c = (locker.NewCondition());
try
{
locker.HasWaiters(c);
ShouldThrow();
}
catch (ThreadStateException)
{
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestInterruptedException2()
{
ReentrantLock locker = new ReentrantLock();
locker.Lock();
Thread t = new Thread(TestInterruptedException2Runnable);
try
{
t.Start(locker);
t.Interrupt();
t.Join();
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestGetWaitQueueLengthTSE()
{
ReentrantLock locker = new ReentrantLock();
Condition c = (locker.NewCondition());
try
{
locker.GetWaitQueueLength(c);
ShouldThrow();
}
catch (ThreadStateException)
{
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestSignalIllegalMonitor()
{
ReentrantLock locker = new ReentrantLock();
Condition c = locker.NewCondition();
try
{
c.Signal();
ShouldThrow();
}
catch (ThreadStateException)
{
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestIsLocked()
{
ReentrantLock locker = new ReentrantLock();
locker.Lock();
Assert.IsTrue(locker.IsLocked);
locker.UnLock();
Assert.IsFalse(locker.IsLocked);
Thread t = new Thread(TestIsLockedRunnable);
try
{
t.Start(locker);
Thread.Sleep(SHORT_DELAY_MS);
Assert.IsTrue(locker.IsLocked);
t.Join();
Assert.IsFalse(locker.IsLocked);
}
catch(Exception e)
{
UnexpectedException(e);
}
}
public void TestLockInterruptibly1()
{
ReentrantLock locker = new ReentrantLock();
locker.Lock();
Thread t = new Thread(InterruptedLockRunnable);
try
{
t.Start(locker);
Thread.Sleep(SHORT_DELAY_MS);
t.Interrupt();
Thread.Sleep(SHORT_DELAY_MS);
locker.UnLock();
t.Join();
}
catch(Exception e)
{
UnexpectedException(e);
}
}
public void TestLockInterruptibly2()
{
ReentrantLock locker = new ReentrantLock();
try
{
locker.LockInterruptibly();
}
catch(Exception e)
{
UnexpectedException(e);
}
Thread t = new Thread(InterruptedLockRunnable);
try
{
t.Start(locker);
t.Interrupt();
Assert.IsTrue(locker.IsLocked);
Assert.IsTrue(locker.IsHeldByCurrentThread);
t.Join();
}
catch(Exception e)
{
UnexpectedException(e);
}
}
public void TestGetWaitQueueLengthTSE()
{
ReentrantLock locker = new ReentrantLock();
Condition c = (locker.NewCondition());
try
{
locker.GetWaitQueueLength(c);
ShouldThrow();
}
catch (ThreadStateException)
{
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestAwaitLockCount()
{
ReentrantLock locker = new ReentrantLock();
Condition c = locker.NewCondition();
Pair data = new Pair(locker, c);
Thread t1 = new Thread(TestAwaitLockCountRunnable1);
Thread t2 = new Thread(TestAwaitLockCountRunnable2);
try
{
t1.Start(data);
t2.Start(data);
Thread.Sleep(SHORT_DELAY_MS);
locker.Lock();
c.SignalAll();
locker.UnLock();
t1.Join(SHORT_DELAY_MS);
t2.Join(SHORT_DELAY_MS);
Assert.IsFalse(t1.IsAlive);
Assert.IsFalse(t2.IsAlive);
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestInterruptedException2()
{
ReentrantLock locker = new ReentrantLock();
locker.Lock();
Thread t = new Thread(TestInterruptedException2Runnable);
try
{
t.Start(locker);
t.Interrupt();
t.Join();
}
catch(Exception e)
{
UnexpectedException(e);
}
}
public void TestHasQueuedThreadNRE()
{
ReentrantLock sync = new ReentrantLock();
try
{
sync.HasQueuedThread(null);
ShouldThrow();
}
catch (NullReferenceException)
{
}
}
public void TestAwaitUntilTimeout()
{
ReentrantLock locker = new ReentrantLock();
Condition c = locker.NewCondition();
try
{
locker.Lock();
c.AwaitUntil(DateTime.Now.AddMilliseconds(100));
locker.UnLock();
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestGetHoldCount()
{
ReentrantLock locker = new ReentrantLock();
for(int i = 1; i <= SIZE; i++)
{
locker.Lock();
Assert.AreEqual(i,locker.HoldCount);
}
for(int i = SIZE; i > 0; i--)
{
locker.UnLock();
Assert.AreEqual(i-1,locker.HoldCount);
}
}
public void TestAwait()
{
ReentrantLock locker = new ReentrantLock();
Condition c = locker.NewCondition();
Pair data = new Pair(locker, c);
Thread t = new Thread(TestAwaitRunnable);
try
{
t.Start(data);
Thread.Sleep(MEDIUM_DELAY_MS);
locker.Lock();
c.Signal();
locker.UnLock();
t.Join(SMALL_DELAY_MS);
Assert.IsFalse(t.IsAlive);
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestHasWaitersNRE()
{
ReentrantLock locker = new ReentrantLock();
try
{
locker.HasWaiters(null);
ShouldThrow();
}
catch (NullReferenceException)
{
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestGetWaitQueueLengthNRE()
{
ReentrantLock locker = new ReentrantLock();
try
{
locker.GetWaitQueueLength(null);
ShouldThrow();
}
catch (NullReferenceException)
{
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestHasWaitersIAE()
{
ReentrantLock locker = new ReentrantLock();
Condition c = (locker.NewCondition());
ReentrantLock locker2 = new ReentrantLock();
try
{
locker2.HasWaiters(c);
ShouldThrow();
}
catch (ArgumentException)
{
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestHasWaitersTSE()
{
ReentrantLock locker = new ReentrantLock();
Condition c = (locker.NewCondition());
try
{
locker.HasWaiters(c);
ShouldThrow();
}
catch (ThreadStateException)
{
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestTryLockTimeout()
{
ReentrantLock locker = new ReentrantLock();
locker.Lock();
Thread t = new Thread(TestTryLockTimeoutRunnable);
try
{
t.Start(locker);
t.Join();
locker.UnLock();
}
catch(Exception e)
{
UnexpectedException(e);
}
}
public void TestAwaitTimeout()
{
ReentrantLock locker = new ReentrantLock();
Condition c = locker.NewCondition();
try
{
locker.Lock();
c.Await(SHORT_DELAY_MS);
locker.UnLock();
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestHasQueuedThread()
{
ReentrantLock sync = new ReentrantLock();
Thread t1 = new Thread(InterruptedLockRunnable);
Thread t2 = new Thread(InterruptibleLockRunnable);
try
{
Assert.IsFalse(sync.HasQueuedThread(t1));
Assert.IsFalse(sync.HasQueuedThread(t2));
sync.Lock();
t1.Start();
Thread.Sleep(SHORT_DELAY_MS);
Assert.IsTrue(sync.HasQueuedThread(t1));
t2.Start();
Thread.Sleep(SHORT_DELAY_MS);
Assert.IsTrue(sync.HasQueuedThread(t1));
Assert.IsTrue(sync.HasQueuedThread(t2));
t1.Interrupt();
Thread.Sleep(SHORT_DELAY_MS);
Assert.IsFalse(sync.HasQueuedThread(t1));
Assert.IsTrue(sync.HasQueuedThread(t2));
sync.UnLock();
Thread.Sleep(SHORT_DELAY_MS);
Assert.IsFalse(sync.HasQueuedThread(t1));
Thread.Sleep(SHORT_DELAY_MS);
Assert.IsFalse(sync.HasQueuedThread(t2));
t1.Join();
t2.Join();
}
catch(Exception e)
{
UnexpectedException(e);
}
}
public void TestToString()
{
ReentrantLock locker = new ReentrantLock();
String us = locker.ToString();
Assert.IsTrue(us.IndexOf("Unlocked") >= 0);
locker.Lock();
String ls = locker.ToString();
Assert.IsTrue(ls.IndexOf("Locked") >= 0);
}
public void TestAwaitWithTimeout()
{
ReentrantLock locker = new ReentrantLock();
Condition c = locker.NewCondition();
try
{
locker.Lock();
long t = c.Await(1);
Assert.IsTrue(t <= 0);
locker.UnLock();
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestGetWaitQueueLength()
{
ReentrantLock locker = new ReentrantLock();
Condition c = locker.NewCondition();
Pair data = new Pair(locker, c);
Thread t1 = new Thread(TestGetWaitQueueLengthRunnable1);
Thread t2 = new Thread(TestGetWaitQueueLengthRunnable2);
try
{
t1.Start(data);
Thread.Sleep(SHORT_DELAY_MS);
t2.Start(data);
Thread.Sleep(SHORT_DELAY_MS);
locker.Lock();
Assert.IsTrue(locker.HasWaiters(c));
Assert.AreEqual(2, locker.GetWaitQueueLength(c));
c.SignalAll();
locker.UnLock();
Thread.Sleep(SHORT_DELAY_MS);
locker.Lock();
Assert.IsFalse(locker.HasWaiters(c));
Assert.AreEqual(0, locker.GetWaitQueueLength(c));
locker.UnLock();
t1.Join(SHORT_DELAY_MS);
t2.Join(SHORT_DELAY_MS);
Assert.IsFalse(t1.IsAlive);
Assert.IsFalse(t2.IsAlive);
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestGetQueueLengthFair()
{
ReentrantLock locker = new ReentrantLock(true);
Thread t1 = new Thread(InterruptedLockRunnable);
Thread t2 = new Thread(InterruptibleLockRunnable);
try
{
Assert.AreEqual(0, locker.QueueLength);
locker.Lock();
t1.Start(locker);
Thread.Sleep(SHORT_DELAY_MS);
Assert.AreEqual(1, locker.QueueLength);
t2.Start(locker);
Thread.Sleep(SHORT_DELAY_MS);
Assert.AreEqual(2, locker.QueueLength);
t1.Interrupt();
Thread.Sleep(SHORT_DELAY_MS);
Assert.AreEqual(1, locker.QueueLength);
locker.UnLock();
Thread.Sleep(SHORT_DELAY_MS);
Assert.AreEqual(0, locker.QueueLength);
t1.Join();
t2.Join();
}
catch(Exception e)
{
UnexpectedException(e);
}
}
public void TestSignalIllegalMonitor()
{
ReentrantLock locker = new ReentrantLock();
Condition c = locker.NewCondition();
try
{
c.Signal();
ShouldThrow();
}
catch (ThreadStateException)
{
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestAwaitUntilInterrupt()
{
ReentrantLock locker = new ReentrantLock();
Condition c = locker.NewCondition();
Pair data = new Pair(locker, c);
Thread t = new Thread(TestAwaitUntilInterruptRunnable);
try
{
t.Start(data);
Thread.Sleep(SHORT_DELAY_MS);
t.Interrupt();
t.Join(SHORT_DELAY_MS);
Assert.IsFalse(t.IsAlive);
}
catch (Exception e)
{
UnexpectedException(e);
}
}
public void TestUnlockThreadStateException()
{
ReentrantLock rl = new ReentrantLock();
try
{
rl.UnLock();
ShouldThrow();
}
catch(ThreadStateException)
{
}
}
