public void GetSet()
{
int mark;
AtomicStampedReference <T> ai = new AtomicStampedReference <T>(one, 0);
Assert.AreEqual(one, ai.Value);
Assert.AreEqual(0, ai.Stamp);
Assert.AreEqual(one, ai.GetValue(out mark));
Assert.AreEqual(0, mark);
ai.SetNewAtomicValue(two, 0);
Assert.AreEqual(two, ai.Value);
Assert.AreEqual(0, ai.Stamp);
Assert.AreEqual(two, ai.GetValue(out mark));
Assert.AreEqual(0, mark);
ai.SetNewAtomicValue(one, 1);
Assert.AreEqual(one, ai.Value);
Assert.AreEqual(1, ai.Stamp);
Assert.AreEqual(one, ai.GetValue(out mark));
Assert.AreEqual(1, mark);
ai.SetNewAtomicValue(one, 1);
Assert.AreEqual(one, ai.Value);
Assert.AreEqual(1, ai.Stamp);
Assert.AreEqual(one, ai.GetValue(out mark));
Assert.AreEqual(1, mark);
}
public void AttemptStamp()
{
int mark;
AtomicStampedReference <T> ai = new AtomicStampedReference <T>(one, 0);
Assert.AreEqual(0, ai.Stamp);
Assert.IsTrue(ai.AttemptStamp(one, 1));
Assert.AreEqual(1, ai.Stamp);
Assert.AreEqual(one, ai.GetValue(out mark));
Assert.AreEqual(1, mark);
}
public void Constructor()
{
AtomicStampedReference <T> ai = new AtomicStampedReference <T>(one, 0);
Assert.AreEqual(one, ai.Value);
Assert.AreEqual(0, ai.Stamp);
AtomicStampedReference <T> a2 = new AtomicStampedReference <T>(null, 1);
Assert.IsNull(a2.Value);
Assert.AreEqual(1, a2.Stamp);
}
public void SerializeAndDeseralize()
{
AtomicStampedReference <T> atomicStampedReference = new AtomicStampedReference <T>(one, 0987654321);
MemoryStream bout = new MemoryStream(10000);
BinaryFormatter formatter = new BinaryFormatter();
formatter.Serialize(bout, atomicStampedReference);
MemoryStream bin = new MemoryStream(bout.ToArray());
BinaryFormatter formatter2 = new BinaryFormatter();
AtomicStampedReference <T> atomicStampedReferenceReference2 = (AtomicStampedReference <T>)formatter2.Deserialize(bin);
Assert.AreEqual(atomicStampedReference.Value, atomicStampedReferenceReference2.Value);
Assert.AreEqual(atomicStampedReference.Stamp, atomicStampedReferenceReference2.Stamp);
}
public void CompareAndSetInMultipleThreads2()
{
AtomicStampedReference <T> ai = new AtomicStampedReference <T>(one, 0);
Thread t = new Thread(delegate()
{
while (!ai.CompareAndSet(one, one, 1, 2))
{
Thread.Sleep(0);
}
});
t.Start();
Assert.IsTrue(ai.CompareAndSet(one, one, 0, 1));
t.Join(Delays.Long);
Assert.IsFalse(t.IsAlive);
Assert.AreEqual(ai.Value, one);
Assert.AreEqual(ai.Stamp, 2);
}
public void CompareAndSet()
{
int mark;
AtomicStampedReference <T> ai = new AtomicStampedReference <T>(one, 0);
Assert.AreEqual(one, ai.GetValue(out mark));
Assert.AreEqual(0, ai.Stamp);
Assert.AreEqual(0, mark);
Assert.IsTrue(ai.CompareAndSet(one, two, 0, 0));
Assert.AreEqual(two, ai.GetValue(out mark));
Assert.AreEqual(0, mark);
Assert.IsTrue(ai.CompareAndSet(two, m3, 0, 1));
Assert.AreEqual(m3, ai.GetValue(out mark));
Assert.AreEqual(1, mark);
Assert.IsFalse(ai.CompareAndSet(two, m3, 1, 1));
Assert.AreEqual(m3, ai.GetValue(out mark));
Assert.AreEqual(1, mark);
}
public void WeakCompareAndSet()
{
int mark;
AtomicStampedReference <T> ai = new AtomicStampedReference <T>(one, 0);
Assert.AreEqual(one, ai.GetValue(out mark));
Assert.AreEqual(0, ai.Stamp);
Assert.AreEqual(0, mark);
while (!ai.WeakCompareAndSet(one, two, 0, 0))
{
}
Assert.AreEqual(two, ai.GetValue(out mark));
Assert.AreEqual(0, mark);
while (!ai.WeakCompareAndSet(two, m3, 0, 1))
{
}
Assert.AreEqual(m3, ai.GetValue(out mark));
Assert.AreEqual(1, mark);
}