public void SetItems_ListChangedIsRaisedAfterBehaviors()
{
var actionLog = new StringBuilder();
var changeListener = new TestChangeListener();
var ownerProperty = PropertyStub
.WithBehaviors(changeListener)
.Build();
var ownerVM = ViewModelStub
.WithProperties(ownerProperty)
.Build();
var collection = new VMCollection <IViewModel>(ownerVM, ownerProperty);
changeListener.HandleChange += delegate {
actionLog.Append("ChangeHandlerBehavior ");
};
collection.ListChanged += delegate {
actionLog.Append("ListChanged ");
};
IVMCollection <IViewModel> c = collection;
c.ReplaceItems(new[] { ViewModelStub.Build(), ViewModelStub.Build() }, null);
Assert.AreEqual("ChangeHandlerBehavior ListChanged ", actionLog.ToString());
}
public void NotifyChange_WithValidationResultChangeForDescendantProperty_DoesNothing()
{
VMInterface.NotifyChange(ChangeArgs
.ValidationResultChanged(PropertyStub.Build(), ValueStage.Value)
.PrependViewModel(ViewModelStub.Build())
.PrependViewModel(VM)
);
Assert.IsNull(VM.LastOnPropertyChangedInvocation);
Assert.IsNull(VM.LastOnValidationStateChangedInvocation);
}
public void NotifyChange_WithValidationResultChangeForOwnProperty_CallsValidationResultChanged()
{
var property = PropertyStub.Build();
VMInterface.NotifyChange(ChangeArgs
.ValidationResultChanged(property, ValueStage.Value)
.PrependViewModel(VM)
);
Assert.AreEqual(property, VM.LastOnValidationStateChangedInvocation);
}
public void NotifyChange_WithPropertyChangeForOwnProperty_CallsOnPropertyChanged()
{
var property = PropertyStub.Build();
VMInterface.NotifyChange(ChangeArgs
.PropertyChanged(property, ValueStage.DisplayValue)
.PrependViewModel(VM)
);
Assert.AreEqual(property, VM.LastOnPropertyChangedInvocation);
}
public void Setup()
{
BehaviorStub = new ModificationCollectionBehaviorStub();
var owner = new Mock <IViewModel> {
DefaultValue = DefaultValue.Mock
};
Collection = new VMCollection <IViewModel>(
owner.Object,
PropertyStub.WithBehaviors(BehaviorStub).Build()
);
}
public void GetItemProperties_ReturnsPropertyDescriptorCollection()
{
var itemTypeDescriptorBehavior = new TypeDescriptorProviderBehavior();
var itemDescriptor = DescriptorStub
.WithBehaviors(itemTypeDescriptorBehavior)
.Build();
var ownerProperty = PropertyStub
.WithBehaviors(new ItemDescriptorProviderBehavior(itemDescriptor))
.Build();
var ownerVM = ViewModelStub
.WithProperties(ownerProperty)
.Build();
var collection = new VMCollection <IViewModel>(ViewModelStub.Build(), ownerProperty);
Assert.AreSame(itemTypeDescriptorBehavior.PropertyDescriptors, collection.GetItemProperties(null));
}
public VMCollectionStubBuilder()
{
_ownerVM = ViewModelStub.Build();
_ownerProperty = PropertyStub.Build();
_items = Enumerable.Empty <T>();
}
private VMCollection <IViewModel> CreateCollection()
{
return(new VMCollection <IViewModel>(ViewModelStub.Build(), PropertyStub.Build()));
}
