public void ShouldReturnNullForNonExistingProperty()
{
var entity = new NotifyingTarget();
var adapter = ValueAdapterFactory.CreateAdapterFromPropertyName(entity, "NonExistingProperty");
Assert.IsNull(adapter);
}
public void ReturnedAdapterShouldSetValueOfCompatibleTypeGivenTargetWithNameOfDependencyProperty()
{
var target = new DependencyObjectTarget();
var adapter = ValueAdapterFactory.CreateAdapter(target, "Value");
adapter.SetValue(4.5d);
Assert.AreEqual(4, target.Value);
}
public void ReturnedAdapterShouldSetValueOfCompatibleTypeGivenTargetWithPropertyInfo()
{
var target = new Target();
var propertyInfo = target.GetType().GetProperty("Value", BindingFlags.Instance | BindingFlags.Public);
var adapter = ValueAdapterFactory.CreateAdapter(target, propertyInfo);
adapter.SetValue(4.5d);
Assert.AreEqual(4, target.Value);
}
public void ReturnedAdapterShouldSetValueOfCompatibleTypeGivenTargetWithPropertyDescriptor()
{
var target = new Target();
var propertyDescriptor = TypeDescriptor.GetProperties(target)["Value"];
var adapter = ValueAdapterFactory.CreateAdapter(target, propertyDescriptor);
adapter.SetValue(4.5d);
Assert.AreEqual(4, target.Value);
}
public SelectorItemsSourceViewAdapter(Selector source)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
_valueChangedCallback = _ => { };
_sourceItemsSourceAdapter = ValueAdapterFactory.CreateAdapterForDependencyProperty(source, ItemsControl.ItemsSourceProperty);
_sourceItemsSourceAdapter.ValueChangedCallback = OnSourceValueChanged;
}
private IValueAdapter CreateValueAdapter()
{
var dataContext = _dataContextAdapter.GetValue();
if (dataContext == null)
{
return(null);
}
var valueAdapter = ValueAdapterFactory.CreateAdapter(dataContext, _propertyInDataContext);
if (valueAdapter != null)
{
valueAdapter.ValueChangedCallback = _valueChangedCallback;
}
return(valueAdapter);
}
public DataContextPropertyAdapter(FrameworkElement target, string propertyInDataContext)
{
if (target == null)
{
throw new ArgumentNullException("target");
}
if (propertyInDataContext == null)
{
throw new ArgumentNullException("propertyInDataContext");
}
_propertyInDataContext = propertyInDataContext;
_dataContextAdapter = ValueAdapterFactory.CreateAdapterForDependencyProperty(target, FrameworkElement.DataContextProperty);
_dataContextAdapter.ValueChangedCallback = OnDataContextChanged;
_valueChangedCallback = newValue => { };
_valueAdapter = CreateValueAdapter();
}
public void ShouldThrowGivenNullTargetWhenCreatingFromPropertyName()
{
var adapter = ValueAdapterFactory.CreateAdapterFromPropertyName(null, "Value");
}
public void ShouldThrowGivenNullPropertyName()
{
var adapter = ValueAdapterFactory.CreateAdapterFromPropertyName(new NotifyingTarget(), null);
}
public void ReturnedAdapterShouldNotLeakTargetGivenTargetWithDependencyPropertyInheritedFromBaseClass()
{
AssertLifetime.UnreachableInstanceIsNotLeaked(
() => new Control(),
target => ValueAdapterFactory.CreateAdapterFromPropertyName(target, "DataContext"));
}
public void ReturnedAdapterShouldNotLeakTargetGivenTargetWithDependencyProperty()
{
AssertLifetime.UnreachableInstanceIsNotLeaked(
() => new DependencyObjectTarget(),
target => ValueAdapterFactory.CreateAdapterFromPropertyName(target, "Value"));
}
public void ReturnedAdapterShouldNotLeakTargetGivenPropertyOfNotifyingTarget()
{
AssertLifetime.UnreachableInstanceIsNotLeaked(
() => new NotifyingTarget(),
target => ValueAdapterFactory.CreateAdapterFromPropertyName(target, "Value"));
}