public void WhenSourceValueChangedAndItIsNotAnEnumerableThenEmptySetShouldBePassedToTarget()
{
var expectedItems = new List <object>();
var binding = new SetBinding(_targetAdapter, _sourceAdapter, _comparer);
_sourceAdapter.ValueChangedCallback(new object());
CollectionAssert.AreEquivalent(expectedItems, _targetAdapter.Items);
}
public void WhenSourceItemsIsNotAnEnumerableThenUpdateTargetShouldPassEmptySetToTarget()
{
var expectedItems = new List <object>();
_sourceAdapter.Value = new object();
var binding = new SetBinding(_targetAdapter, _sourceAdapter, _comparer);
binding.UpdateTarget();
CollectionAssert.AreEqual(expectedItems, _targetAdapter.Items);
}
public void UpdateSourceShouldPassTargetItemsAsSetToSource()
{
var expectedItems = new List <object> {
1, 2
};
_targetAdapter.Items = new List <object> {
1, 1, 2, 2
};
var binding = new SetBinding(_targetAdapter, _sourceAdapter, _comparer);
binding.UpdateSource();
CollectionAssert.AreEqual(expectedItems, _sourceAdapter.ValueAsCollection);
}
public void WhenTargetCollectionChangedAndItemsWereRemovedThenTheyShouldNotBePassedToSource()
{
var expectedItems = new List <object>();
_sourceAdapter.Value = new List <object> {
1, 2
};
var binding = new SetBinding(_targetAdapter, _sourceAdapter, _comparer);
_targetAdapter.CollectionChangedCallback(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, new List <object> {
1, 2
}));
CollectionAssert.AreEquivalent(expectedItems, _sourceAdapter.ValueAsCollection);
}
