public void BadDelegateType()
{
DelegateFactoryObject fob = new DelegateFactoryObject();
fob.DelegateType = DBNull.Value.GetType();
Assert.Throws <ArgumentException>(() => fob.AfterPropertiesSet());
}
public void ObjectType()
{
DelegateFactoryObject fob = new DelegateFactoryObject();
Assert.IsNotNull(fob.ObjectType, "Should never be null (should default to typeof(Delegate)) ");
Assert.AreEqual(typeof(Delegate), fob.ObjectType, "Not defaulting to typeof(Delegate).");
}
public void MissingATarget()
{
DelegateFactoryObject fob = new DelegateFactoryObject();
fob.DelegateType = typeof(EventHandler);
fob.MethodName = "I Love You Laura Palmer, I Really Do";
Assert.Throws <ArgumentException>(() => fob.AfterPropertiesSet());
}
public void NullMethodName()
{
DelegateFactoryObject fob = new DelegateFactoryObject();
fob.DelegateType = typeof(EventHandler);
fob.TargetType = typeof(OneThirstyDude);
Assert.Throws <ArgumentException>(() => fob.AfterPropertiesSet());
}
public void ChokesIfBothTargetTypeAndTargetObjectSupplied()
{
DelegateFactoryObject fob = new DelegateFactoryObject();
fob.DelegateType = typeof(PopHandler);
fob.TargetType = typeof(OneThirstyDude);
fob.TargetObject = new OneThirstyDude();
fob.MethodName = "I Love You Laura Palmer, I Really Do";
Assert.Throws <ArgumentException>(() => fob.AfterPropertiesSet());
}
public void StaticDelegateWithInstanceMethod()
{
DelegateFactoryObject fob = new DelegateFactoryObject();
fob.DelegateType = typeof(PopHandler);
fob.TargetType = typeof(OneThirstyDude);
fob.MethodName = "HandlePop";
fob.IsSingleton = false;
fob.AfterPropertiesSet();
Assert.Throws <ArgumentException>(() => fob.GetObject());
}
public void StaticDelegate()
{
DelegateFactoryObject fob = new DelegateFactoryObject();
fob.DelegateType = typeof(PopHandler);
fob.TargetType = typeof(OneThirstyDude);
fob.MethodName = "StaticHandlePop";
fob.IsSingleton = false;
fob.AfterPropertiesSet();
PopHandler popper = (PopHandler)fob.GetObject();
Assert.IsNotNull(popper);
Assert.AreEqual(fob.MethodName, popper.Method.Name);
}
public void InstancePrototypeDelegate()
{
DelegateFactoryObject fob = new DelegateFactoryObject();
fob.IsSingleton = false;
fob.DelegateType = typeof(PopHandler);
OneThirstyDude dude = new OneThirstyDude();
fob.TargetObject = dude;
fob.MethodName = "HandlePop";
fob.IsSingleton = false;
fob.AfterPropertiesSet();
PopHandler one = (PopHandler)fob.GetObject();
PopHandler two = (PopHandler)fob.GetObject();
Assert.IsFalse(ReferenceEquals(one, two));
}
public void InstanceSingletonDelegate()
{
DelegateFactoryObject fob = new DelegateFactoryObject();
fob.DelegateType = typeof(PopHandler);
OneThirstyDude dude = new OneThirstyDude();
fob.TargetObject = dude;
fob.MethodName = "HandlePop";
fob.AfterPropertiesSet();
PopHandler popper = (PopHandler)fob.GetObject();
Assert.IsNotNull(popper);
Assert.AreEqual(fob.MethodName, popper.Method.Name);
string soda = "The Drink Of Champions";
popper(this, soda);
Assert.AreEqual(soda, dude.Soda);
PopHandler other = (PopHandler)fob.GetObject();
Assert.IsTrue(ReferenceEquals(popper, other));
}
public void MissingDelegateType()
{
DelegateFactoryObject fob = new DelegateFactoryObject();
Assert.Throws <ArgumentException>(() => fob.AfterPropertiesSet());
}
