public void AttachEventCorrectly()
{
var obj = new TestEventClass();
var wrapper = new ImplBaseTester(obj);
wrapper.AddEvent <EventArgs>(nameof(TestEventClass.Event), nameof(ImplBaseTester.HandleEvent));
obj.FireEvent();
Assert.IsTrue(wrapper.EventCalled);
}
public void DetachEventCorrectly()
{
var obj = new TestEventClass();
var wrapper = new ImplBaseTester(obj);
obj.Event += wrapper.HandleEvent;
wrapper.RemoveEvent <EventArgs>(nameof(TestEventClass.Event), nameof(ImplBaseTester.HandleEvent));
obj.FireEvent();
Assert.IsFalse(wrapper.EventCalled);
}
public void ThrowExceptionIfHandlerNameIsNull()
{
var obj = new TestEventClass();
var wrapper = new ImplBaseTester(obj);
var ex = Assert.Throws <ArgumentNullException>(() => wrapper.AddEvent <EventArgs>(nameof(TestEventClass.Event), null));
Assert.IsNotNull(ex);
ex.ParamName.Should().Be("handlerName");
}
public void ThrowExceptionIfEventNameIsInvalid()
{
var obj = new TestEventClass();
var wrapper = new ImplBaseTester(obj);
var ex = Assert.Throws <ArgumentOutOfRangeException>(
() => wrapper.AddEvent <EventArgs>("InvalidEvent", nameof(ImplBaseTester.HandleEvent)));
Assert.IsNotNull(ex);
ex.Message.Should().Be($"Invalid event name supplied!{Environment.NewLine}Parameter name: eventName");
}
public void ThrowExceptionIfHandlerHasIncorrectSignature()
{
var obj = new TestEventClass();
var wrapper = new ImplBaseTester(obj);
var ex = Assert.Throws <ArgumentOutOfRangeException>(
() => wrapper.AddEvent <EventArgs>(nameof(TestEventClass.Event),
nameof(ImplBaseTester.HandleEvent2)));
Assert.IsNotNull(ex);
ex.Message.Should().Be($"Invalid handler name supplied!{Environment.NewLine}Parameter name: handlerName");
}