void Verify_OnSelectionChanged_OldRowIsNotBlank_RowNotRemoved(int startItemCount, int indexNumber)
{
//------------Setup for test--------------------------
var items = CreateItemsList(startItemCount);
var modelItem = CreateModelItem(items);
var viewModel = new TestActivityDesignerCollectionViewModelItemsInitialized(modelItem);
for(var i = 0; i < startItemCount; i++)
{
Assert.AreEqual(i == startItemCount - 1, items[i].CanRemove());
}
var idx = indexNumber - 1;
//------------Execute Test---------------------------
items[idx].FieldName = string.Empty; // CanRemove() checks this
viewModel.OnSelectionChanged(viewModel.ModelItemCollection[idx], viewModel.ModelItemCollection[idx + 1]);
//------------Assert Results-------------------------
Assert.IsFalse(items[idx].CanRemove());
Verify_CollectionUnchanged(items, viewModel);
}
void Verify_OnSelectionChanged_OldRowIsBlank_RowRemoved(int startItemCount, int indexNumber)
{
//------------Setup for test--------------------------
var items = CreateItemsList(startItemCount);
var modelItem = CreateModelItem(items);
var viewModel = new TestActivityDesignerCollectionViewModelItemsInitialized(modelItem);
for(var i = 0; i < startItemCount; i++)
{
Assert.AreEqual(i == startItemCount - 1, items[i].CanRemove());
}
var idx = indexNumber - 1;
//------------Execute Test---------------------------
items[idx].FieldName = string.Empty; // CanRemove() checks this
items[idx].FieldValue = string.Empty; // CanRemove() checks this
viewModel.OnSelectionChanged(viewModel.ModelItemCollection[idx], viewModel.ModelItemCollection[idx + 1]);
//------------Assert Results-------------------------
Assert.IsTrue(items[idx].CanRemove());
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; j < expectedItemCount; j++)
{
if(i == idx)
{
i++; // skip
}
var dto = (ActivityDTO)mic[j].GetCurrentValue();
Assert.AreSame(items[i++], dto);
}
// ReSharper restore PossibleNullReferenceException
}