void Verify_RemoveAt_RemovesRow(int startItemCount, int indexNumber)
{
//------------Setup for test--------------------------
var items = CreateItemsList(startItemCount);
var modelItem = CreateModelItem(items);
var viewModel = new TestActivityDesignerCollectionViewModelItemsInitialized(modelItem);
//------------Execute Test---------------------------
viewModel.RemoveAt(indexNumber);
//------------Assert Results-------------------------
var expectedItemCount = startItemCount - 1;
var expectedNonBlankItemCount = expectedItemCount - 1;
Assert.AreEqual(expectedItemCount, viewModel.ItemCount);
Assert.AreEqual(string.Format("Activity ({0})", expectedNonBlankItemCount), viewModel.ModelItem.GetProperty("DisplayName"));
// ReSharper disable PossibleNullReferenceException
var mic = viewModel.ModelItem.Properties[viewModel.CollectionName].Collection;
for(int i = 0, j = 0; i < expectedItemCount; i++, j++)
{
var dto = (ActivityDTO)mic[i].GetCurrentValue();
if(i == indexNumber - 1)
{
// skip item that was deleted
j++;
}
Assert.AreSame(items[j], dto);
}
// ReSharper restore PossibleNullReferenceException
}
public void ActivityCollectionDesignerViewModel_RemoveAt_AnyIndexWhenTwoRows_DoesNotRemoveRow()
{
var items = CreateItemsList(2);
var modelItem = CreateModelItem(items);
var viewModel = new TestActivityDesignerCollectionViewModelItemsInitialized(modelItem);
viewModel.RemoveAt(1);
Verify_CollectionUnchanged(items, viewModel);
viewModel.RemoveAt(2);
Verify_CollectionUnchanged(items, viewModel);
}