public void ThreadSafeDoubleCheckLocking()
{
Double_CheckLocking.Singleton instance1 = Double_CheckLocking.Singleton.Instance();
Double_CheckLocking.Singleton instance2 = Double_CheckLocking.Singleton.Instance();
Assert.IsNotNull(instance1);
Assert.IsNotNull(instance2);
Assert.AreEqual(instance1, instance2);
}
public static Singleton Instance()
{
if(_instance == null)
{
lock (syncRoot)
{
if (_instance == null)
{
_instance = new Singleton();
}
}
}
return _instance;
}