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Add tests for same-protocol constraints on different type parameters in simplifyGenericConstraints (#2393)

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Co-authored-by: calda <1811727+calda@users.noreply.github.com>
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2026-02-20 08:16:25 -08:00
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parent 5650fd3d0f
commit cf946767a0
1 changed files with 23 additions and 0 deletions
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Tests/Rules/SimplifyGenericConstraintsTests.swift
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@@ -532,4 +532,27 @@ final class SimplifyGenericConstraintsTests: XCTestCase {
"""
testFormatting(for: input, output, rule: .simplifyGenericConstraints, exclude: [.unusedArguments])
}
func testSameConstraintOnDifferentTypesInWhereClauseNotDeduplicated() {
// T: Service and U: Service are constraints on different types — both should be moved inline
let input = """
func test<T, U>(_ a: T, _ b: U) where T: Service, U: Service {}
"""
let output = """
func test<T: Service, U: Service>(_ a: T, _ b: U) {}
"""
testFormatting(for: input, output, rule: .simplifyGenericConstraints, exclude: [.unusedArguments])
}
func testSameConstraintInlineForOneTypeAndWhereClauseForAnotherNotDeduplicated() {
// T already has Service inline; U has Service in the where clause.
// The existing T: Service inline should not prevent U: Service from being moved inline.
let input = """
func test<T: Service, U>(_ a: T, _ b: U) where U: Service {}
"""
let output = """
func test<T: Service, U: Service>(_ a: T, _ b: U) {}
"""
testFormatting(for: input, output, rule: .simplifyGenericConstraints, exclude: [.unusedArguments])
}
}