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b2378a401e
Convert function to async currently only adds "async" to the function and runs the convert call refactoring on the body. This was intentional, but it turns out to be somewhat confusing. Instead, run the same refactoring as the add async alternative refactoring but just replace rather than add. Resolves rdar://77103049
205 lines
7.7 KiB
Swift
205 lines
7.7 KiB
Swift
enum CustomError : Error {
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case Bad
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}
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func simple(_ completion: (String) -> Void) { }
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func simple2(arg: String, _ completion: (String) -> Void) { }
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func simpleErr(arg: String, _ completion: (String?, Error?) -> Void) { }
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func simpleRes(arg: String, _ completion: (Result<String, Error>) -> Void) { }
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func run(block: () -> Bool) -> Bool { return false }
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// RUN: %refactor -convert-to-async -dump-text -source-filename %s -pos=%(line+1):1 | %FileCheck -check-prefix=NESTED %s
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func nested() {
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simple {
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simple2(arg: $0) { str2 in
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print(str2)
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}
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}
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}
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// NESTED: func nested() async {
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// NESTED-NEXT: let val0 = await simple()
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// NESTED-NEXT: let str2 = await simple2(arg: val0)
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// NESTED-NEXT: print(str2)
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// NESTED-NEXT: }
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// RUN: %refactor -convert-to-async -dump-text -source-filename %s -pos=%(line+2):9 | %FileCheck -check-prefix=ATTRIBUTES %s
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@available(*, deprecated, message: "Deprecated")
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private func functionWithAttributes() {
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simple { str in
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print(str)
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}
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}
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// ATTRIBUTES: convert_function.swift [[# @LINE-6]]:1 -> [[# @LINE-1]]:2
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// ATTRIBUTES-NEXT: @available(*, deprecated, message: "Deprecated")
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// ATTRIBUTES-NEXT: private func functionWithAttributes() async {
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// ATTRIBUTES-NEXT: let str = await simple()
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// ATTRIBUTES-NEXT: print(str)
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// ATTRIBUTES-NEXT: }
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// RUN: %refactor -convert-to-async -dump-text -source-filename %s -pos=%(line+1):1 | %FileCheck -check-prefix=MANY-NESTED %s
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func manyNested() {
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simple { str1 in
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print("simple")
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simple2(arg: str1) { str2 in
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print("simple2")
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simpleErr(arg: str2) { str3, err in
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print("simpleErr")
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guard let str3 = str3, err == nil else {
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return
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}
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simpleRes(arg: str3) { res in
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print("simpleRes")
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if case .success(let str4) = res {
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print("\(str1) \(str2) \(str3) \(str4)")
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print("after")
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}
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}
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}
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}
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}
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}
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// MANY-NESTED: func manyNested() async {
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// MANY-NESTED-NEXT: let str1 = await simple()
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// MANY-NESTED-NEXT: print("simple")
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// MANY-NESTED-NEXT: let str2 = await simple2(arg: str1)
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// MANY-NESTED-NEXT: print("simple2")
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// MANY-NESTED-NEXT: let str3 = try await simpleErr(arg: str2)
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// MANY-NESTED-NEXT: print("simpleErr")
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// MANY-NESTED-NEXT: let str4 = try await simpleRes(arg: str3)
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// MANY-NESTED-NEXT: print("simpleRes")
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// MANY-NESTED-NEXT: print("\(str1) \(str2) \(str3) \(str4)")
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// MANY-NESTED-NEXT: print("after")
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// MANY-NESTED-NEXT: }
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// RUN: %refactor -convert-to-async -dump-text -source-filename %s -pos=%(line+2):1 | %FileCheck -check-prefix=ASYNC-SIMPLE %s
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// RUN: %refactor -add-async-alternative -dump-text -source-filename %s -pos=%(line+1):1 | %FileCheck -check-prefix=ASYNC-SIMPLE %s
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func asyncParams(arg: String, _ completion: (String?, Error?) -> Void) {
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simpleErr(arg: arg) { str, err in
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print("simpleErr")
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guard let str = str, err == nil else {
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completion(nil, err!)
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return
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}
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completion(str, nil)
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print("after")
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}
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}
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// ASYNC-SIMPLE: func {{[a-zA-Z_]+}}(arg: String) async throws -> String {
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// ASYNC-SIMPLE-NEXT: let str = try await simpleErr(arg: arg)
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// ASYNC-SIMPLE-NEXT: print("simpleErr")
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// ASYNC-SIMPLE-NEXT: return str
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// ASYNC-SIMPLE-NEXT: print("after")
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// ASYNC-SIMPLE-NEXT: }
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// RUN: %refactor -add-async-alternative -dump-text -source-filename %s -pos=%(line+1):1 | %FileCheck -check-prefix=ASYNC-SIMPLE %s
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func asyncResErrPassed(arg: String, _ completion: (Result<String, Error>) -> Void) {
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simpleErr(arg: arg) { str, err in
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print("simpleErr")
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guard let str = str, err == nil else {
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completion(.failure(err!))
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return
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}
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completion(.success(str))
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print("after")
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}
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}
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// RUN: %refactor -add-async-alternative -dump-text -source-filename %s -pos=%(line+1):1 | %FileCheck -check-prefix=ASYNC-ERR %s
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func asyncResNewErr(arg: String, _ completion: (Result<String, Error>) -> Void) {
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simpleErr(arg: arg) { str, err in
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print("simpleErr")
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guard let str = str, err == nil else {
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completion(.failure(CustomError.Bad))
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return
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}
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completion(.success(str))
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print("after")
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}
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}
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// ASYNC-ERR: func asyncResNewErr(arg: String) async throws -> String {
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// ASYNC-ERR-NEXT: do {
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// ASYNC-ERR-NEXT: let str = try await simpleErr(arg: arg)
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// ASYNC-ERR-NEXT: print("simpleErr")
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// ASYNC-ERR-NEXT: return str
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// ASYNC-ERR-NEXT: print("after")
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// ASYNC-ERR-NEXT: } catch let err {
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// ASYNC-ERR-NEXT: throw CustomError.Bad
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// ASYNC-ERR-NEXT: }
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// ASYNC-ERR-NEXT: }
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// RUN: %refactor -add-async-alternative -dump-text -source-filename %s -pos=%(line+1):1 | %FileCheck -check-prefix=ASYNC-UNHANDLED %s
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func asyncUnhandledCompletion(_ completion: (String) -> Void) {
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simple { str in
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let success = run {
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completion(str)
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return true
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}
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if !success {
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completion("bad")
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}
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}
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}
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// ASYNC-UNHANDLED: func asyncUnhandledCompletion() async -> String {
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// ASYNC-UNHANDLED-NEXT: let str = await simple()
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// ASYNC-UNHANDLED-NEXT: let success = run {
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// ASYNC-UNHANDLED-NEXT: <#completion#>(str)
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// ASYNC-UNHANDLED-NEXT: return true
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// ASYNC-UNHANDLED-NEXT: }
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// ASYNC-UNHANDLED-NEXT: if !success {
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// ASYNC-UNHANDLED-NEXT: return "bad"
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// ASYNC-UNHANDLED-NEXT: }
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// ASYNC-UNHANDLED-NEXT: }
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// RUN: %refactor -add-async-alternative -dump-text -source-filename %s -pos=%(line+1):1 | %FileCheck -check-prefix VOID-AND-ERROR-HANDLER %s
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func voidAndErrorCompletion(completion: (Void?, Error?) -> Void) {
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if .random() {
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completion((), nil) // Make sure we drop the ()
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} else {
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completion(nil, CustomError.Bad)
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}
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}
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// VOID-AND-ERROR-HANDLER: func voidAndErrorCompletion() async throws {
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// VOID-AND-ERROR-HANDLER-NEXT: if .random() {
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// VOID-AND-ERROR-HANDLER-NEXT: return // Make sure we drop the ()
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// VOID-AND-ERROR-HANDLER-NEXT: } else {
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// VOID-AND-ERROR-HANDLER-NEXT: throw CustomError.Bad
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// VOID-AND-ERROR-HANDLER-NEXT: }
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// VOID-AND-ERROR-HANDLER-NEXT: }
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// RUN: %refactor -add-async-alternative -dump-text -source-filename %s -pos=%(line+1):1 | %FileCheck -check-prefix TOO-MUCH-VOID-AND-ERROR-HANDLER %s
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func tooMuchVoidAndErrorCompletion(completion: (Void?, Void?, Error?) -> Void) {
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if .random() {
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completion((), (), nil) // Make sure we drop the ()s
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} else {
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completion(nil, nil, CustomError.Bad)
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}
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}
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// TOO-MUCH-VOID-AND-ERROR-HANDLER: func tooMuchVoidAndErrorCompletion() async throws {
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// TOO-MUCH-VOID-AND-ERROR-HANDLER-NEXT: if .random() {
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// TOO-MUCH-VOID-AND-ERROR-HANDLER-NEXT: return // Make sure we drop the ()s
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// TOO-MUCH-VOID-AND-ERROR-HANDLER-NEXT: } else {
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// TOO-MUCH-VOID-AND-ERROR-HANDLER-NEXT: throw CustomError.Bad
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// TOO-MUCH-VOID-AND-ERROR-HANDLER-NEXT: }
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// TOO-MUCH-VOID-AND-ERROR-HANDLER-NEXT: }
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// RUN: %refactor -add-async-alternative -dump-text -source-filename %s -pos=%(line+1):1 | %FileCheck -check-prefix VOID-RESULT-HANDLER %s
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func voidResultCompletion(completion: (Result<Void, Error>) -> Void) {
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if .random() {
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completion(.success(())) // Make sure we drop the .success(())
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} else {
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completion(.failure(CustomError.Bad))
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}
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}
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// VOID-RESULT-HANDLER: func voidResultCompletion() async throws {
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// VOID-RESULT-HANDLER-NEXT: if .random() {
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// VOID-RESULT-HANDLER-NEXT: return // Make sure we drop the .success(())
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// VOID-RESULT-HANDLER-NEXT: } else {
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// VOID-RESULT-HANDLER-NEXT: throw CustomError.Bad
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// VOID-RESULT-HANDLER-NEXT: }
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// VOID-RESULT-HANDLER-NEXT: }
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// RUN: %refactor -convert-to-async -dump-text -source-filename %s -pos=%(line+2):1 | %FileCheck -check-prefix=NON-COMPLETION-HANDLER %s
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// RUN: %refactor -add-async-alternative -dump-text -source-filename %s -pos=%(line+1):1 | %FileCheck -check-prefix=NON-COMPLETION-HANDLER %s
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func functionWithSomeHandler(handler: (String) -> Void) {}
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// NON-COMPLETION-HANDLER: func functionWithSomeHandler() async -> String {}
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