public void BrowsablePointer_IndexPointsToFirstItem()
{
var list = new BrowsableCollectionMock (photo1);
var pointer = new BrowsablePointer (list, 0);
Assert.AreEqual (0, pointer.Index);
Assert.AreEqual (photo1, pointer.Current);
}
public void BrowsablePointer_IndexIsNullForEmptyCollection()
{
var list = new BrowsableCollectionMock ();
var pointer = new BrowsablePointer (list, 0);
Assert.AreEqual (0, pointer.Index);
Assert.IsNull (pointer.Current);
}
public void BrowsablePointer_PointsToSecond_WhenFirstIsDeleted()
{
var list = new BrowsableCollectionMock (photo1, photo2, photo3);
var pointer = new BrowsablePointer (list, 0);
list.RemoveAt (0);
Assert.AreEqual (0, pointer.Index);
Assert.AreEqual (photo2, pointer.Current);
}
public void BrowsablePointerTest_IndexIsOutOfBounds()
{
var list = new BrowsableCollectionMock (photo1);
var pointer = new BrowsablePointer (list, 1);
// should this be fixed?
Assert.AreEqual (1, pointer.Index);
Assert.IsNull (pointer.Current);
}
public void BrowsablePointer_StillPointsToSecond_WhenThirdIsDeleted()
{
var list = new BrowsableCollectionMock (photo1, photo2, photo3);
var pointer = new BrowsablePointer (list, 1);
list.RemoveAt (2);
Assert.AreEqual (1, pointer.Index);
Assert.AreEqual (photo2, pointer.Current);
}
