Testing
Testing private methods
A private method inside a custom view holds complicated calculation logic and you want to test it. How would you test that private method, or should you leave it alone?
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TestingMultiple choiceIntro
When the test target does @testable import MyApp, which declarations become accessible?
#testable
Memory and ARCMultiple choiceAdvanced
Which of these actually improve the performance of class-based code (dispatch and ARC cos…
#private
SwiftShort answerBasics
In one file you have class A { fileprivate func secret() {} } and class B. Can B call A()…
#private
UIKitShort answerBasics
You put a custom view you built (say, a tag chip view) into a UIStackView and it's sized …
#custom-view