public void LockConversionTest4()
{
MyLM target = new MyLM();
target.setDeadlockTimeout(1000);
Transaction context = new Transaction();
Transaction context2 = new Transaction();
Transaction context3 = new Transaction();
Lockable resource = new RID(RID.Type.CAR, "test");
target.LockForUpdate(context, resource);
target.LockForRead(context2, resource);
ManualResetEvent e = new ManualResetEvent(false);
ManualResetEvent e1 = new ManualResetEvent(false);
ThreadPool.QueueUserWorkItem((obj) =>
{
target.LockForWrite(context3, resource);
e1.Set();
});
ThreadPool.QueueUserWorkItem((obj) =>
{
target.LockForWrite(context, resource);
Thread.Sleep(200);
target.UnlockWrite(context, resource);
e.Set();
});
target.UnlockRead(context2, resource);
if (!e.WaitOne(3000))
{
Assert.Fail("Failed");
}
if (!e1.WaitOne(3000))
{
Assert.Fail("Failed");
}
}
public void UnlockWriteTest()
{
MyLM target = new MyLM();
Transaction context = new Transaction();
Transaction context2 = new Transaction();
Lockable resource = new RID(RID.Type.CAR, "test");
target.LockForWrite(context, resource);
target.UnlockWrite(context, resource);
target.LockForWrite(context2, resource);
}
