public void HasEventRecipients_NameofEventNameParam_NoSubscriber_ReturnsFalse()
{
// Arrange
var stub = new EventClassStub();
// Act
var actualValue = CoClassEventReflector.HasEventRecipients(stub, typeof(EventClassStub), nameof(EventClassStub.Custom1Event));
// Assert
Assert.IsFalse(actualValue);
}
public void HasEventRecipients_NameofEventNameParam_EventWithSubscriber_ReturnsTrue()
{
// Arrange
var stub = new EventClassStub();
stub.Custom1Event += (sender, args) => { };
// Act
var actualValue = CoClassEventReflector.HasEventRecipients(stub, typeof(EventClassStub), nameof(EventClassStub.Custom1Event));
// Assert
Assert.IsTrue(actualValue);
}
public void HasEventRecipients_EventNameParam_NoSubscriberForNamedEvent_ReturnsFalse()
{
// Arrange
var stub = new EventClassStub();
stub.Custom1Event += (obj, arg) => { };
// Act
var actualValue = CoClassEventReflector.HasEventRecipients(stub, typeof(EventClassStub), "Custom2");
// Assert
Assert.IsFalse(actualValue);
}
public void HasEventRecipients_EventNameParam_NonExistingEventName_ThrowsArgumentException()
{
// Arrange
var stub = new EventClassStub();
// Act & Assert
var actualException = Assert.Throws <ArgumentOutOfRangeException>(
() => CoClassEventReflector.HasEventRecipients(stub, typeof(EventClassStub), "NonExistingEventName")
);
Assert.AreEqual("eventName", actualException.ParamName);
Assert.AreEqual("NonExistingEventName", actualException.ActualValue);
}