In the previous section, we created a class to act as the data source and delegate for the item list table view. In this section, we will implement its properties and methods. But we first need a test case class for
Open Project Navigator and select the ToDoTests group. Add a new Unit Test Case Class, call it
ItemListDataProviderTests, and choose the
Controller folder as the location to store the file. Add the
@testable import ToDo import statement and remove the two test template methods.
The table view should have two sections—one for unchecked to-do items and the other for checked items. Add the following test to
func test_NumberOfSections_IsTwo() ...