public void CompareAndSet()
{
Atomic <T> ai = new Atomic <T>(one);
//CS1718 Assert.IsTrue(one == one);
Assert.IsTrue(ai.CompareAndSet(one, two), "Object reference comparison 1");
Assert.IsTrue(ai.CompareAndSet(two, m4), "Object reference comparison 2");
Assert.AreEqual(m4, ai.Value);
Assert.IsFalse(ai.CompareAndSet(m5, seven), "Object reference comparison 3");
Assert.IsFalse((seven.Equals(ai.Value)));
Assert.IsTrue(ai.CompareAndSet(m4, seven));
Assert.AreEqual(seven, ai.Value);
}
public void CompareAndSetInMultipleThreads()
{
Atomic <T> ai = new Atomic <T>(one);
Thread t = new Thread(delegate()
{
while (!ai.CompareAndSet(two, three))
{
Thread.Sleep(Delays.Short);
}
});
t.Start();
Assert.IsTrue(ai.CompareAndSet(one, two), "Value did not equal 'one' reference");
t.Join(Delays.Small);
Assert.IsFalse(t.IsAlive, "Thread is still alive");
Assert.AreEqual(ai.Value, three, "Object reference not switched from 'two' to 'three'");
}
public void CompareAndSetWithNullReference()
{
Atomic <string> sar = new Atomic <string>();
string expected = "test";
Assert.IsTrue(sar.CompareAndSet(null, expected));
Assert.IsTrue(sar.Value.Equals(expected));
}