public void CanAcquireAndReleaseUpgradeableReadLock()
{
var l = new ReaderWriterLockSlimEx();
using (l.AcquireUpgradeableReadLock())
{
// access lock here so it's not optimized-away after release build
Assert.IsNotNull(l);
}
}
public void UpgradeableReadLockIsHeld__AnotherThreadDoesNotBlockOnUpgradeableReadLockAcquisition()
{
// NOTE: this is how Reader Writer Lock Slim works
// only one thread can own Upgradeable Read Lock at the time
var l = new ReaderWriterLockSlimEx();
using (l.AcquireUpgradeableReadLock())
{
Task.Factory.StartNew(() =>
{
var acquisition = (IUpgradeableReadLockAcquisition)null;
if (l.TryAcquireUpgradeableReadLock(TEST_DefaultTimeout, out acquisition))
{
Assert.Fail();
}
}).Wait();
}
}