XCTest

1. Test cases and test methods

   Covers Defining Test Cases and Test Methods, XCTestCase, XCTest.

2. Test assertions

   Covers Boolean Assertions, Nil and Non-Nil Assertions, Equality and Inequality Assertions, Comparable Value Assertions.

3. Asynchronous tests

   Covers Asynchronous Tests and Expectations.

4. UI tests

   Covers XCUIAutomation.

5. Performance tests

   Covers Performance Tests.

6. Activities and attachments

   Covers Activities and Attachments.

7. Test execution

   Covers Test Execution and Observation.

8. Deprecated

   Covers Deprecated Symbols.

9. Variables

   Covers XCT_UI_TESTING_AVAILABLE.

10. Functions

    Covers XCTAssertNoThrow(_:_:file:line:).

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.

• WebKit App Services
• WebKit JS Web
• Wi-Fi Aware App Frameworks
• Wi-Fi Infrastructure System
• WidgetKit App Services
• WirelessInsights App Services
• WorkoutKit App Services
• Xcode Cloud Developer Tools
• XcodeKit Developer Tools
• xcselect Developer Tools
• XCUIAutomation Developer Tools
• XPC System