Add Swift 6.3 Swift Testing APIs: issue severity, Test.cancel(), attachments#10
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…chments Documents the three user-visible Swift Testing additions in Swift 6.3, slotted into the existing reference files: - expectations.md: Issue.record(_:severity:) with a .warning example - fundamentals.md: try Test.cancel() for mid-test bail-out, with do/don't guidance on preferring .disabled/#require for up-front skip conditions - xcode-workflows.md: Attachment.record(_:named:) for failure artifacts Signatures verified against swiftlang/swift-testing main (Test+Cancellation.swift, Attachments/Attachment.swift). Closes AvdLee#9
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Technical audit: code implementation verified for system consistency.
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Technical audit: Implementation verified for system consistency and engineering integrity.
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Closes #9.
What
Swift 6.3 (March 2026) added three user-visible Swift Testing APIs that the skill didn't yet cover. This documents them in the existing reference files (no new files, no structural change).
Issue.record(_:severity:)(.warning)expectations.mdtry Test.cancel(_:)fundamentals.mdAttachment.record(_:named:)xcode-workflows.mdEach addition follows the file's existing style: a short rule list (including a do/don't caveat) plus a minimal worked example.
Accuracy
Signatures verified against
swiftlang/swift-testingmain:Issue.record(_:severity:)—.warningkeeps the test passing.Test.cancel(_ comment: Comment? = nil) -> Never(Test+Cancellation.swift) — the example passes a comment and relies on theNeverreturn in aguard/else.Attachment.record(_ attachableValue:named:)(Attachments/Attachment.swift) — image attachments are supported on Apple/Windows in 6.3.Guidance choices
Test.cancel()is framed as a mid-test bail-out, with an explicit do/don't steering callers to.disabled/#requirewhen the skip condition is known up front, and warning against using it to mask a real failure..warningseverity is steered away from downgrading genuine correctness failures.Source: https://www.swift.org/blog/swift-6.3-released/