XCTest
A Swift core library providing unit test support for Swift packages and applications across all Swift-supported platforms.
What is XCTest?
XCTest is a core library that provides a common framework for writing unit tests in Swift for packages and applications. It implements the majority of unit testing APIs from Xcode's XCTest, enabling projects to run tests on all platforms Swift supports without requiring test rewrites.
Swift developers writing unit tests for cross-platform Swift packages or applications that need to run on all Swift-supported platforms, including those outside Apple's ecosystem.
Developers choose XCTest because it provides a consistent, platform-agnostic testing framework that maintains compatibility with Apple's XCTest APIs while enabling broader Swift ecosystem development. It eliminates the need to rewrite tests when targeting multiple platforms.
Overview
The XCTest Project, A Swift core library for providing unit test support
Use Cases
Best For
- Writing unit tests for Swift packages that need to run on all Swift-supported platforms (Linux, Windows, macOS) without modification
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