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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 UseWhereClausesInForLoopsTests: LintOrFormatRuleTestCase {
func testForLoopWhereClauses() {
assertFormatting(
UseWhereClausesInForLoops.self,
input: """
for i in [0, 1, 2, 3] {
1️⃣if i > 30 {
print(i)
}
}
for i in [0, 1, 2, 3] {
if i > 30 {
print(i)
} else {
print(i)
}
}
for i in [0, 1, 2, 3] {
if i > 30 {
print(i)
} else if i > 40 {
print(i)
}
}
for i in [0, 1, 2, 3] {
if i > 30 {
print(i)
}
print(i)
}
for i in [0, 1, 2, 3] {
if let x = (2 as Int?) {
print(i)
}
}
for i in [0, 1, 2, 3] {
2️⃣guard i > 30 else {
continue
}
print(i)
}
""",
expected: """
for i in [0, 1, 2, 3] where i > 30 {
print(i)
}
for i in [0, 1, 2, 3] {
if i > 30 {
print(i)
} else {
print(i)
}
}
for i in [0, 1, 2, 3] {
if i > 30 {
print(i)
} else if i > 40 {
print(i)
}
}
for i in [0, 1, 2, 3] {
if i > 30 {
print(i)
}
print(i)
}
for i in [0, 1, 2, 3] {
if let x = (2 as Int?) {
print(i)
}
}
for i in [0, 1, 2, 3] where i > 30 {
print(i)
}
""",
findings: [
FindingSpec("1️⃣", message: "replace this 'if' statement with a 'where' clause"),
FindingSpec("2️⃣", message: "replace this 'guard' statement with a 'where' clause"),
]
)
}
}
|
