public void RaiseWithAnEventHandlerThatThrowsAnException ()
{
OneThirstyDude dude = new OneThirstyDude ();
Soda bru = new Soda ();
bru.Pop += new PopHandler (dude.HandlePopWithException);
bru.OnPop ("Iron Brew", new EventRaiser ());
}
public void RaiseWithBadNumberOfArguments ()
{
OneThirstyDude dude = new OneThirstyDude ();
Soda bru = new Soda ();
bru.Pop += new PopHandler (dude.HandlePop);
bru.OnPopWithBadNumberOfArguments ("Iron Brew", new EventRaiser ());
}
public void RaiseWithBadNumberOfArguments ()
{
OneThirstyDude dude = new OneThirstyDude ();
Soda bru = new Soda ();
bru.Pop += new PopHandler (dude.HandlePop);
Assert.Throws<TargetParameterCountException>(() => bru.OnPopWithBadNumberOfArguments ("Iron Brew", new EventRaiser ()));
}
public void RaiseSwallowsExceptionRaisedByHandlers()
{
OneThirstyDude dude = new OneThirstyDude();
Soda bru = new Soda();
bru.Pop += new PopHandler(dude.HandlePopWithException);
bru.OnPop("Iron Brew", new DefensiveEventRaiser());
Assert.AreEqual("Iron Brew", dude.Soda); // should have got through before exception was thrown
}
public void RaiseWithNullEvent ()
{
OneThirstyDude dude = new OneThirstyDude ();
Soda bru = new Soda ();
bru.Pop += new PopHandler (dude.HandlePop);
bru.OnPopWithNullEvent ("Iron Brew", new EventRaiser ());
Assert.AreEqual (string.Empty, dude.Soda);
}
public void Raise ()
{
OneThirstyDude dude = new OneThirstyDude ();
Soda bru = new Soda ();
bru.Pop += new PopHandler (dude.HandlePop);
bru.OnPop ("Iron Brew", new EventRaiser ());
Assert.AreEqual ("Iron Brew", dude.Soda);
}
public void RaiseSwallowsExceptionRaisedByHandlerButCallsAllOtherHandlers()
{
bool firstCall = false;
bool secondCall = false;
bool thirdCall = false;
OneThirstyDude dude = new OneThirstyDude();
Soda bru = new Soda();
bru.Pop += (sender, soda) => firstCall = true;
bru.Pop += (sender, soda) => { secondCall = true; throw new Exception(); };
bru.Pop += (sender, soda) => { thirdCall = true; };
DefensiveEventRaiser eventRaiser = new DefensiveEventRaiser();
IEventExceptionsCollector exceptions = bru.OnPop( "Iron Brew", eventRaiser );
Assert.AreEqual(1, exceptions.Exceptions.Count);
Assert.IsTrue(firstCall);
Assert.IsTrue(secondCall);
Assert.IsTrue(thirdCall);
}