public static void OptimisticRead()
{
var rwLock = new ReaderWriterSpinLock();
var stamp = rwLock.TryOptimisticRead();
True(rwLock.Validate(in stamp));
True(rwLock.TryEnterReadLock());
Equal(1, rwLock.CurrentReadCount);
True(rwLock.Validate(stamp));
rwLock.ExitReadLock();
Equal(stamp, rwLock.TryOptimisticRead());
True(rwLock.TryEnterWriteLock());
False(rwLock.IsReadLockHeld);
True(rwLock.IsWriteLockHeld);
False(rwLock.Validate(stamp));
False(rwLock.TryEnterReadLock(TimeSpan.Zero));
}
public static void BasicChecks()
{
var rwLock = new ReaderWriterSpinLock();
False(rwLock.IsReadLockHeld);
False(rwLock.IsWriteLockHeld);
Equal(0, rwLock.CurrentReadCount);
rwLock.EnterReadLock();
rwLock.EnterReadLock();
Equal(2, rwLock.CurrentReadCount);
False(rwLock.TryEnterWriteLock(TimeSpan.Zero));
True(rwLock.IsReadLockHeld);
False(rwLock.IsWriteLockHeld);
rwLock.ExitReadLock();
rwLock.ExitReadLock();
rwLock.EnterWriteLock();
Equal(0, rwLock.CurrentReadCount);
True(rwLock.IsWriteLockHeld);
False(rwLock.IsReadLockHeld);
}