public void Go_straight_to_write_lock()
{
var ulock = new UpgradeableLock();
using (ulock.EnterWriteLock())
{
Assert.IsTrue(ulock.IsWriteLockHeld);
}
}
public void Read_only()
{
var ulock = new UpgradeableLock();
using (ulock.EnterReadOnlyLock())
{
Assert.IsTrue(ulock.IsReadOnlyLockHeld);
}
Assert.IsFalse(ulock.IsReadOnlyLockHeld);
}
public void Should_be_upgradeable()
{
var ulock = new UpgradeableLock();
Assert.IsFalse(ulock.IsUpgradeableReadLockHeld);
using (UpgradeableLock.EnterUpgradableReader token = ulock.EnterUpgradableRead())
{
using (token.Upgrade())
{
Assert.IsTrue(ulock.IsWriteLockHeld);
}
Assert.IsFalse(ulock.IsWriteLockHeld);
}
}