public void RaisesAny_ThrowsException_WhenNoEventRaised()
{
var sut = new AClassWithEvents();
Assert.Throws <RaisesException>(() =>
Assert.RaisesAny <BaseEventArgs>(
handler => sut.AnEvent += handler,
handler => sut.AnEvent -= handler,
() => sut.Raise(null))
);
}
public void Raises_ThrowsException_WhenDerivedArgs()
{
var sut = new AClassWithEvents();
Assert.Throws <RaisesException>(() =>
Assert.Raises <BaseEventArgs>(
handler => sut.AnEvent += handler,
handler => sut.AnEvent -= handler,
() => sut.Raise(new DerivedEventArgs(42, "42")))
);
}
public void RaisesAny()
{
var sut = new AClassWithEvents();
var ev = Assert.RaisesAny <BaseEventArgs>(
handler => sut.AnEvent += handler,
handler => sut.AnEvent -= handler,
() => sut.Raise(new BaseEventArgs(42)));
Assert.Same(sut, ev.Sender);
Assert.IsType <BaseEventArgs>(ev.Arguments);
Assert.Equal(42, ev.Arguments.IValue);
}
public void RaisesAny_DerivedArgs()
{
var sut = new AClassWithEvents();
var ev = Assert.RaisesAny <BaseEventArgs>(
handler => sut.AnEvent += handler,
handler => sut.AnEvent -= handler,
() => sut.Raise(new DerivedEventArgs(42, "42")));
Assert.Same(sut, ev.Sender);
Assert.IsType <DerivedEventArgs>(ev.Arguments);
Assert.Equal(42, ((ev.Arguments) as DerivedEventArgs).IValue);
Assert.Equal("42", ((ev.Arguments) as DerivedEventArgs).SValue);
}