public void PropertyChangedEventHandlerIsRaised()
{
var obj = new StubObservableObject();
bool raised = false;
obj.PropertyChanged += (sender, e) => {
Assert.IsTrue(e.PropertyName == "ChangedProperty");
raised = true; };
obj.ChangedProperty = "I changed";
Assert.IsTrue(raised);
}
public void PropertyChangedEventHandlerIsRaised()
{
var observableObject = new StubObservableObject();
var raised = false;
observableObject.PropertyChanged += (sender, args) =>
{
args.PropertyName.ShouldBeEquivalentTo("ChangedProperty");
raised = true;
};
observableObject.ChangedProperty = "Changed";
raised.ShouldBeEquivalentTo(true);
}
public void PropertyChangedEventHandlerIsRaised()
{
var observableObject = new StubObservableObject();
var raised = false;
observableObject.PropertyChanged += (sender, args) =>
{
args.PropertyName.ShouldBeEquivalentTo("ChangedProperty");
raised = true;
};
observableObject.ChangedProperty = "Changed";
raised.ShouldBeEquivalentTo(true);
}
public void PropertyChangedHandlerRaised()
{
var obj = new StubObservableObject();
bool raised = false;
obj.PropertyChanged += (s, e) =>
{
Assert.IsTrue(e.PropertyName == "ChangedProperty");
raised = true;
};
obj.ChangedProperty = "SomeProperty";
Assert.IsTrue(raised);
}
public void PropertyChangedEventHandlerIsRaised()
{
var obj = new StubObservableObject();
var raised = false;
obj.PropertyChanged += (sender, e) =>
{
Assert.IsTrue(e.PropertyName == "ChangedProperty");
raised = true;
};
obj.ChangedProperty = "Some Value";
if (!raised) Assert.Fail("PropertyChanged was never invoked.");
}
public void PropertyChangedEventHandlerIsNotRaise()
{
var obj = new StubObservableObject();
bool raised = false;
obj.PropertyChanged += (sender, e) =>
{
Assert.IsTrue(e.PropertyName == "ChangedProperty");
raised = false;
};
obj.ChangedProperty = "ChangedProperty";
Assert.IsFalse(raised);
}
public void PropertyChangeEventhandlerIsRaised()
{
var obj = new StubObservableObject();
bool raised = false;
obj.PropertyChanged += (sender, e) =>
{
Assert.IsTrue(e.PropertyName == "ChangedProperty");
raised = true;
};
obj.ChangedProperty = "Some value";
if (!raised)
{
Assert.Fail("PropertyChanged was never invoked");
}
}
public void NotifyObject_NotifiesOfPropertyChange()
{
//Arrange
var stub = new StubObservableObject();
bool notificationRaised = false;
stub.PropertyChanged += (o, e) =>
{
if (e.PropertyName == "DidINotifyYou")
{
notificationRaised = true;
}
};
//Act
stub.DidINotifyYou = "Sure did!";
//Assert
Assert.IsTrue(notificationRaised, "Observable object did not notify of change");
}
