public void Issue1372DataItemSetIsConsistenBeforeAnyBubblingOccurs()
{
var dataItemSet = new DataItemSet(typeof(IRegularGridCoverage));
var items = dataItemSet.AsEventedList <IRegularGridCoverage>();
var coverage = new RegularGridCoverage {
Name = "oldCoverage"
};
items.Add(coverage);
Assert.AreEqual(1, dataItemSet.DataItems.Count);
var newCoverage = new RegularGridCoverage {
Name = "newCoverage"
};
int callCount = 0;
((INotifyPropertyChanged)dataItemSet).PropertyChanged += delegate
{
callCount++;
//synchronization problem
Assert.AreEqual(newCoverage, items[0]);
};
dataItemSet.DataItems[0].Value = newCoverage;
Assert.AreEqual(2, callCount, "Value and Name get changed once Value property is set");
}
public void AddingItemsToAdapterSetsIsRemoveableCorrectly()
{
var dataItemSet = new DataItemSet(typeof(Url)); // new DataItemSet(new List<Url>(), "My FBC list", DataItemRole.Input, false);
dataItemSet.ReadOnly = true;
//get an adapter for the set and add to
var urlList = dataItemSet.AsEventedList <Url>();
urlList.Add(new Url());
Assert.IsFalse(dataItemSet.DataItems[0].IsRemoveable);
}
public void AddSetsOwnerAndRoleOfChildItem()
{
var dataItemSet = new DataItemSet(typeof(object))
{
Role = DataItemRole.Output
};
var objectList = dataItemSet.AsEventedList <object>();
//action! add an object throught list adapter
objectList.Add(new object());
Assert.AreEqual(1, dataItemSet.DataItems.Count);
Assert.AreEqual(DataItemRole.Output, dataItemSet.DataItems[0].Role);
Assert.AreEqual(dataItemSet, dataItemSet.DataItems[0].Owner);
}
public void DataItemSetStaysSynchronizedWithEventedListAdapter()
{
//TODO: remove test. This functionality now lies within the adapter.
//testing it here is redundant.
//wrap the list of functions in a DataItemSet
var dataItemSet = new DataItemSet(typeof(Url));
var list = dataItemSet.AsEventedList <Url>();
list.Add(new Url());
list.Add(new Url());
list.Add(new Url());
Assert.AreEqual(3, dataItemSet.DataItems.Count,
"Values added to list must create data items on-the-fly in data item set");
list.Remove(list[1]);
Assert.AreEqual(2, dataItemSet.DataItems.Count);
}
public void TestAddingAndRemovingValuesToDataItemSetUpdatesAdaptedList()
{
//TODO: remove this is adapter
//Create a dataitemset and list.
var dataItemSet = new DataItemSet(typeof(Url));
var url = new Url();
var dataItem = new DataItem(url);
var list = dataItemSet.AsEventedList <Url>();
//action! add an item to the set
dataItemSet.DataItems.Add(dataItem);
//make sure the list got updated
Assert.AreEqual(1, list.Count);
Assert.AreEqual(url, list[0]);
dataItemSet.DataItems.RemoveAt(0);
Assert.AreEqual(0, list.Count);
}
public void AddingAnElementShouldCauseCollectionChangedWith()
{
//TODO: remove this is adapter logic
var dataItemSet = new DataItemSet(typeof(Url));
var list = dataItemSet.AsEventedList <Url>();
//check the collectionchanged
int callCount = 0;
((INotifyCollectionChange)dataItemSet).CollectionChanged +=
delegate {
callCount++;
};
//Action! should cause one collectionchanged events. One for the list and one for the dataitemset
list.Add(new Url());
//assert
Assert.AreEqual(1, callCount);
}
public void CollectionChangedEventBubbling()
{
int count = 0;
var dataItemSet = new DataItemSet(typeof(Url));
((INotifyCollectionChange)dataItemSet).CollectionChanged += delegate { count++; };
var list = dataItemSet.AsEventedList <Url>();
list.Add(new Url());
list.Add(new Url());
list.Add(new Url());
Assert.AreEqual(3, dataItemSet.DataItems.Count);
Assert.AreEqual(3, count);
list.Remove(list[1]);
Assert.AreEqual(2, dataItemSet.DataItems.Count);
Assert.AreEqual(4, count);
}
