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 TestLock()
{
ReentrantLock rl = new ReentrantLock();
rl.Lock();
Assert.IsTrue(rl.IsLocked);
rl.UnLock();
}
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 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 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();
}
private void TestAwaitLockCountRunnable2(Object state)
{
Pair data = state as Pair;
ReentrantLock locker = data.first as ReentrantLock;
Condition c = data.second as Condition;
try
{
locker.Lock();
locker.Lock();
ThreadAssertEquals(2, locker.HoldCount);
c.Await();
ThreadAssertEquals(2, locker.HoldCount);
locker.UnLock();
locker.UnLock();
}
catch (ThreadInterruptedException e)
{
ThreadUnexpectedException(e);
}
}
public void TestUnlockThreadStateException()
{
ReentrantLock rl = new ReentrantLock();
try
{
rl.UnLock();
ShouldThrow();
}
catch (ThreadStateException)
{
}
}
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 TestSignalAllRunnable2(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 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)
{
}
}
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);
}
}
private void TestGetWaitQueueLengthRunnable2(Object state)
{
Pair data = state as Pair;
ReentrantLock locker = data.first as ReentrantLock;
Condition c = data.second as Condition;
try
{
locker.Lock();
ThreadAssertTrue(locker.HasWaiters(c));
ThreadAssertEquals(1, locker.GetWaitQueueLength(c));
c.Await();
locker.UnLock();
}
catch (ThreadInterruptedException e)
{
ThreadUnexpectedException(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 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 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 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 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 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 TestUnlockThreadStateException()
{
ReentrantLock rl = new ReentrantLock();
try
{
rl.UnLock();
ShouldThrow();
}
catch(ThreadStateException)
{
}
}
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 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 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 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 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 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);
}
}