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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
@_spi(Rules) import SwiftFormat
import _SwiftFormatTestSupport
final class NoLabelsInCasePatternsTests: LintOrFormatRuleTestCase {
func testRedundantCaseLabels() {
assertFormatting(
NoLabelsInCasePatterns.self,
input: """
switch treeNode {
case .root(let data):
break
case .subtree(1️⃣left: let /*hello*/left, 2️⃣right: let right):
break
case .leaf(3️⃣element: let element):
break
}
""",
expected: """
switch treeNode {
case .root(let data):
break
case .subtree(let /*hello*/left, let right):
break
case .leaf(let element):
break
}
""",
findings: [
FindingSpec("1️⃣", message: "remove the label 'left' from this 'case' pattern"),
FindingSpec("2️⃣", message: "remove the label 'right' from this 'case' pattern"),
FindingSpec("3️⃣", message: "remove the label 'element' from this 'case' pattern"),
]
)
}
}
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