public void Test_GetEnumerator()
{
var a = LIST.GetEnumerator();
var b = _view.GetEnumerator();
while (a.MoveNext())
{
b.MoveNext();
Assert.AreEqual(a.Current, b.Current);
}
}
public void GroupsEnumeratorTest()
{
CollectionView.GroupDescriptions.Add(new PropertyGroupDescription("StringProperty"));
// Test the Enumerator on the Groups
IEnumerator groupEnumerator = CollectionView.GetEnumerator();
int count = 0;
while (groupEnumerator.MoveNext())
{
Assert.AreEqual(CollectionView[count], groupEnumerator.Current);
count++;
}
}
public void GetEnumeratorTest()
{
// check that we get the correct item for each index in the source collection
IEnumerator enumerator = CollectionView.GetEnumerator();
foreach (TestClass item in SourceCollection)
{
enumerator.MoveNext();
Assert.AreEqual(item, enumerator.Current);
}
// check that when we have paging, the enumerator only returns the items on
// the current page
CollectionView.PageSize = 5;
int count = 0;
enumerator = CollectionView.GetEnumerator();
while (enumerator.MoveNext())
{
count++;
}
Assert.AreEqual(5, count);
// verify that when we have grouping, we will still fetch the correct items
// from the group to enumerate through
CollectionView.GroupDescriptions.Add(new PropertyGroupDescription("IntProperty"));
count = 0;
enumerator = CollectionView.GetEnumerator();
while (enumerator.MoveNext())
{
// show that we are getting the items from the correct group
Assert.AreEqual(1, (enumerator.Current as TestClass).IntProperty);
count++;
}
Assert.AreEqual(5, count);
}
