public void CompareAndSetInMultipleThreadsChangedMarkBits()
{
AtomicMarkableReference <T> ai = new AtomicMarkableReference <T>(one, false);
Thread t = new Thread(delegate()
{
while (!ai.CompareAndSet(one, one, true, false))
{
Thread.Sleep(Delays.Short);
}
});
t.Start();
Assert.IsTrue(ai.CompareAndSet(one, one, false, true));
t.Join(Delays.Long);
Assert.IsFalse(t.IsAlive);
Assert.AreEqual(ai.Value, one);
Assert.IsFalse(ai.IsMarked);
}
public void CompareAndSet()
{
bool mark;
AtomicMarkableReference <T> ai = new AtomicMarkableReference <T>(one, false);
Assert.AreEqual(one, ai.GetValue(out mark));
Assert.IsFalse(ai.IsMarked);
Assert.IsFalse(mark);
Assert.IsTrue(ai.CompareAndSet(one, two, false, false));
Assert.AreEqual(two, ai.GetValue(out mark));
Assert.IsFalse(mark);
Assert.IsTrue(ai.CompareAndSet(two, m3, false, true));
Assert.AreEqual(m3, ai.GetValue(out mark));
Assert.IsTrue(mark);
Assert.IsFalse(ai.CompareAndSet(two, m3, true, true));
Assert.AreEqual(m3, ai.GetValue(out mark));
Assert.IsTrue(mark);
}