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Tools · easy

20. XCTest Basics

Unit testing.

1 min read2 questionsup to 50 XPtopic 20/50

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AI translates the explanation and quiz text while preserving code and answer scoring.

XCTest is the framework for writing unit and UI tests in Swift.

How to study this topic

  1. 1. Read the explanation once end to end, skipping the code.
  2. 2. Re-read the code snippets and say out loud what each line does.
  3. 3. Answer the quiz without scrolling back — that is the real check.
  4. 4. Read every explanation, even for the answers you got right.

Scoring

  • · Up to 30 XP from quiz accuracy.
  • · +15 XP for a perfect first attempt.
  • · +5 XP while a 3-day streak is running.
  • · 75% or higher marks the topic complete.

Check your understanding

  1. 1. Prefix for test methods?

  2. 2. Assertion for equality?

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