public void CompareExpectedValueAndSetNewValue()
{
AtomicBoolean ai = new AtomicBoolean( true );
Assert.AreEqual( true, ai.Value );
Assert.IsTrue( ai.CompareAndSet( true, false ) );
Assert.AreEqual( false, ai.Value );
Assert.IsTrue( ai.CompareAndSet( false, false ) );
Assert.AreEqual( false, ai.Value );
Assert.IsFalse( ai.CompareAndSet( true, false ) );
Assert.IsFalse( ( ai.Value ) );
Assert.IsTrue( ai.CompareAndSet( false, true ) );
Assert.AreEqual( true, ai.Value );
}
public void CompareExpectedValueAndSetNewValueInMultipleThreads()
{
AtomicBoolean ai = new AtomicBoolean( true );
var t = ThreadManager.StartAndAssertRegistered("T1",delegate
{
while (!ai.CompareAndSet(false, true))
Thread.Sleep(Delays.Short);
}
);
Assert.IsTrue( ai.CompareAndSet( true, false ), "Value" );
ThreadManager.JoinAndVerify();
Assert.IsFalse( t.IsAlive, "Thread is still alive." );
Assert.IsTrue( ai.Value );
}
