public void TestCaseAddNull()
{
var ocr = new ObservableCollectionRanged <string>();
ocr.CollectionChanged += (sender, e) =>
{
Assert.IsTrue(e.Action == NotifyCollectionChangedAction.Add);
Assert.IsNull(e.NewItems);
Assert.IsNull(e.OldItems);
};
Assert.Throws <ArgumentNullException>(() => ocr.AddRange(null));
}
public void TestCaseAdd()
{
var ocr = new ObservableCollectionRanged <string>();
ocr.CollectionChanged += (sender, e) =>
{
Assert.IsTrue(e.Action == NotifyCollectionChangedAction.Add);
Assert.IsNotNull(e.NewItems);
Assert.IsNull(e.OldItems);
Assert.IsTrue(e.NewItems.Count == names1.Count);
Assert.IsTrue(e.NewStartingIndex == 0);
};
ocr.AddRange(names1);
}
public void TestCaseAssumeNull()
{
var ocr = new ObservableCollectionRanged <string>();
ocr.AddRange(names1);
ocr.CollectionChanged += (sender, e) =>
{
Assert.IsTrue(e.Action == NotifyCollectionChangedAction.Reset);
Assert.IsNull(e.NewItems);
Assert.IsNull(e.OldItems);
};
ocr.AssumeRange(null);
}
public void TestCaseAddGrouped()
{
var ocr = new ObservableCollectionRanged <IGrouping <int, string> >();
var groupedList = names1.GroupBy(s => s.Length);
ocr.CollectionChanged += (sender, e) =>
{
Assert.IsTrue(e.Action == NotifyCollectionChangedAction.Add);
Assert.IsNotNull(e.NewItems);
Assert.IsNull(e.OldItems);
Assert.IsTrue(e.NewItems.Count == groupedList.Count());
Assert.IsTrue(e.NewStartingIndex == 0);
};
ocr.AddRange(groupedList);
}
public void TestCaseAssume()
{
var ocr = new ObservableCollectionRanged <string>();
ocr.AddRange(names1);
ocr.AddRange(names2);
ocr.CollectionChanged += (sender, e) =>
{
Assert.IsTrue(e.Action == NotifyCollectionChangedAction.Replace);
Assert.IsNotNull(e.NewItems);
Assert.IsNotNull(e.OldItems);
Assert.IsTrue(e.OldItems.Count == (names1.Count + names2.Count));
Assert.IsTrue(e.NewItems.Count == names1.Count);
};
ocr.AssumeRange(names1);
}
public void TestCaseInsert()
{
var ocr = new ObservableCollectionRanged <string>();
int index = 0;
ocr.AddRange(names1);
ocr.CollectionChanged += (sender, e) =>
{
Assert.IsTrue(e.Action == NotifyCollectionChangedAction.Add);
Assert.IsNotNull(e.NewItems);
Assert.IsNull(e.OldItems);
Assert.IsTrue(e.NewItems.Count == names2.Count);
Assert.AreEqual(index, e.NewStartingIndex);
};
ocr.InsertRange(index, names2);
}
public void TestCaseReplaceRange()
{
var ocr = new ObservableCollectionRanged <string>();
ocr.AddRange(names1);
int indexToRemove = 1;
int countToRemove = names1.Count - 1;
ocr.CollectionChanged += (sender, e) =>
{
Assert.IsTrue(e.Action == NotifyCollectionChangedAction.Replace);
Assert.IsNotNull(e.NewItems);
Assert.IsNotNull(e.OldItems);
Assert.IsTrue(e.OldItems.Count == countToRemove);
Assert.IsTrue(e.NewItems.Count == names2.Count);
Assert.IsTrue(ocr.Count == indexToRemove + names2.Count);
};
ocr.ReplaceRange(indexToRemove, countToRemove, names2);
}
public void TestCaseAssumeGrouped()
{
var ocr = new ObservableCollectionRanged <IGrouping <int, string> >();
var groupedList1 = names1.GroupBy(s => s.Length);
ocr.AddRange(groupedList1);
var groupedList2 = names2.GroupBy(s => s.Length);
ocr.AddRange(groupedList2);
ocr.CollectionChanged += (sender, e) =>
{
Assert.IsTrue(e.Action == NotifyCollectionChangedAction.Replace);
Assert.IsNotNull(e.NewItems);
Assert.IsNotNull(e.OldItems);
Assert.IsTrue(e.OldItems.Count == (groupedList1.Count() + groupedList2.Count()));
Assert.IsTrue(e.NewItems.Count == groupedList1.Count());
};
ocr.AssumeRange(groupedList1);
}
public void TestCaseInsertGrouped()
{
var ocr = new ObservableCollectionRanged <IGrouping <int, string> >();
int index = 0;
var groupedList1 = names1.GroupBy(s => s.Length);
ocr.AddRange(groupedList1);
var groupedList2 = names2.GroupBy(s => s.Length);
ocr.CollectionChanged += (sender, e) =>
{
Assert.IsTrue(e.Action == NotifyCollectionChangedAction.Add);
Assert.IsNotNull(e.NewItems);
Assert.IsNull(e.OldItems);
Assert.IsTrue(e.NewItems.Count == groupedList2.Count());
Assert.AreEqual(index, e.NewStartingIndex);
};
ocr.InsertRange(index, groupedList2);
}
