func foo() -> Int{
  var aaa = 1 + 2
  aaa = aaa + 3
  if aaa == 3 { aaa = 4 }
  return aaa
}

protocol P1 {
  func foo()
}

class C1 : P1 {}

enum E1 {
  case e1
  case e2
}

func foo1(_ e : E1) -> Int {
  switch e {
  default:
    return 0
  }
}

fileprivate func foo2() -> Int {
  func bar2() {}
  return foo2()
}


func foo3() -> Int {}

func foo4() -> Int {
  return foo3()
}

class C2 {
  func getSelf1() -> C2 {
    return self
  }
  func getSelf2() -> C2 {
    return self
  }
  func getSelf3() -> C2 {
    return self
  }
  func getSelf4() -> C2 {
    return self
  }
}

func foo5(_ c : C2) -> C2 {
  return c.getSelf1().getSelf2().getSelf3().getSelf4()
}

class C3 {
  func foo1() {}
  func foo2() {
    foo1()
  }
}

func foo6() -> String {
  return "abc"
}

class C4 {
  func foo1() {}
  func foo2() {
    // some comments
    foo1()
  }
}

func foo7() -> String {
  // some comments
  foo6()
}

struct Test {
  init(x: Int = 42) {}
  func callAsFunction(x: Int = 42) {}
}

Test.init
Test.init()
Test.init(x:)
Test.init(x: 3)

let callable = Test();
callable(x: 89)
callable.callAsFunction
callable.callAsFunction()
callable.callAsFunction(x:)
callable.callAsFunction(x: 78)
(callable.callAsFunction)(x: 78)
(callable.callAsFunction)()

func foo(_ x: Int) -> Test { fatalError() }
foo(39)(x: 90)

struct TestDefaultedParen {
  init(_: Int = 42) {}
}

TestDefaultedParen.init()

struct HasInitWithDefaultArgs {
  init(x: Int = 10, y: Int = 20, z: Int = 10)
}

HasInitWithDefaultArgs(z: 45)
HasInitWithDefaultArgs(y: 45, z: 89)

func `hasBackticks`(`x`: Int) {}
`hasBackticks`(`x`:2)

struct ConvertAsync {
  func hasAsyncAlternative(completion: @escaping (String?, Error?) -> Void) { }
}
func hasCallToAsyncAlternative(c: ConvertAsync) {
  ((((c)).hasAsyncAlternative)) { str, err in print(str!) }
  c.hasAsyncAlternative() { str, err in print(str!) }
}

// RUN: %sourcekitd-test -req=cursor -pos=3:1 -end-pos=5:13 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK1

// CHECK1: ACTIONS BEGIN
// CHECK1-NEXT: source.refactoring.kind.extract.function
// CHECK1-NEXT: Extract Method
// CHECK1-NEXT: ACTIONS END

// RUN: %sourcekitd-test -req=cursor -pos=1:16 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK2
// RUN: %sourcekitd-test -req=cursor -offset=16 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK2

// RUN: %sourcekitd-test -req=cursor -pos=12:8 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK3
// RUN: %sourcekitd-test -req=cursor -pos=21:5 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK4
// RUN: %sourcekitd-test -req=cursor -pos=26:20 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-GLOBAL
// RUN: %sourcekitd-test -req=cursor -pos=27:11 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-LOCAL

// RUN: %sourcekitd-test -req=cursor -pos=83:8  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-GLOBAL
// RUN: %sourcekitd-test -req=cursor -pos=86:6  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-NORENAME
// RUN: %sourcekitd-test -req=cursor -pos=87:6  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-NORENAME
// RUN: %sourcekitd-test -req=cursor -pos=88:6  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-GLOBAL
// RUN: %sourcekitd-test -req=cursor -pos=89:6  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-GLOBAL
// RUN: %sourcekitd-test -req=cursor -pos=89:11  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-GLOBAL

// RUN: %sourcekitd-test -req=cursor -pos=92:10  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-GLOBAL
// RUN: %sourcekitd-test -req=cursor -pos=93:10  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-NORENAME
// RUN: %sourcekitd-test -req=cursor -pos=94:10  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-NORENAME
// RUN: %sourcekitd-test -req=cursor -pos=95:10  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-GLOBAL
// RUN: %sourcekitd-test -req=cursor -pos=96:10  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-GLOBAL
// RUN: %sourcekitd-test -req=cursor -pos=96:25  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-GLOBAL
// RUN: %sourcekitd-test -req=cursor -pos=97:11  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-GLOBAL
// RUN: %sourcekitd-test -req=cursor -pos=97:27  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-GLOBAL
// RUN: %sourcekitd-test -req=cursor -pos=98:11  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-NORENAME

// RUN: %sourcekitd-test -req=cursor -pos=107:20  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-NORENAME

// RUN: %sourcekitd-test -req=cursor -pos=113:24  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-GLOBAL
// RUN: %sourcekitd-test -req=cursor -pos=114:24  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-GLOBAL
// RUN: %sourcekitd-test -req=cursor -pos=114:31  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-GLOBAL
// RUN: %sourcekitd-test -req=cursor -pos=114:31  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-GLOBAL

// RUN: %sourcekitd-test -req=cursor -pos=116:6  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-GLOBAL
// RUN: %sourcekitd-test -req=cursor -pos=116:7  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-GLOBAL
// RUN: %sourcekitd-test -req=cursor -pos=117:1  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-GLOBAL
// RUN: %sourcekitd-test -req=cursor -pos=117:2  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-GLOBAL
// RUN: %sourcekitd-test -req=cursor -pos=117:16  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-GLOBAL
// RUN: %sourcekitd-test -req=cursor -pos=117:17  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-GLOBAL

// RUN: %sourcekitd-test -req=cursor -pos=35:10 -end-pos=35:16 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-RENAME-EXTRACT

// RUN: %sourcekitd-test -req=cursor -pos=54:10 -end-pos=54:22 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-LOCAL
// RUN: %sourcekitd-test -req=cursor -pos=54:12 -end-pos=54:22 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-SELF-RENAME1
// RUN: %sourcekitd-test -req=cursor -pos=54:23 -end-pos=54:33 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-SELF-RENAME2
// RUN: %sourcekitd-test -req=cursor -pos=54:34 -end-pos=54:44 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-SELF-RENAME3
// RUN: %sourcekitd-test -req=cursor -pos=54:45 -end-pos=54:55 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-SELF-RENAME4

// RUN: %sourcekitd-test -req=cursor -pos=60:5 -end-pos=60:11 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-IMPLICIT-SELF
// RUN: %sourcekitd-test -req=cursor -pos=65:10 -end-pos=65:15 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-LOCALIZE-STRING

// RUN: %sourcekitd-test -req=cursor -pos=72:5 -end-pos=72:11 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-RENAME-EXTRACT
// RUN: %sourcekitd-test -req=cursor -pos=78:3 -end-pos=78:9 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-RENAME-EXTRACT

// RUN: %sourcekitd-test -req=cursor -pos=120:8 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-ASYNC
// RUN: %sourcekitd-test -req=cursor -pos=123:11 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-CALLASYNC
// RUN: %sourcekitd-test -req=cursor -pos=123:11 -end-pos=123:30 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-CALLASYNC
// RUN: %sourcekitd-test -req=cursor -pos=123:3 -end-pos=123:30 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-CALLASYNC
// RUN: %sourcekitd-test -req=cursor -pos=123:3 -end-pos=123:60 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-CALLASYNC
// RUN: %sourcekitd-test -req=cursor -pos=123:3 -end-pos=123:46 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-CALLASYNC
// RUN: %sourcekitd-test -req=cursor -pos=123:3 -end-pos=123:58 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-CALLASYNC
// RUN: %sourcekitd-test -req=cursor -pos=124:3 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-CALLASYNC
// RUN: %sourcekitd-test -req=cursor -pos=124:3 -end-pos=124:26 -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-CALLASYNC
// RUN: %sourcekitd-test -req=cursor -pos=124:3 -end-pos=124:54  -cursor-action %s -- %s | %FileCheck %s -check-prefix=CHECK-CALLASYNC

// CHECK-NORENAME-NOT: Global Rename
// CHECK-NORENAME-NOT: Local Rename

// CHECK2: ACTIONS BEGIN
// CHECK2-NOT: Local Rename
// CHECK2: source.refactoring.kind.rename.global
// CHECK2-NEXT: Global Rename
// CHECK2-NEXT: symbol from system module cannot be renamed
// CHECK2-NOT: Local Rename
// CHECK2: ACTIONS END

// CHECK3: ACTIONS BEGIN
// CHECK3-NEXT: source.refactoring.kind.rename.global
// CHECK3-NEXT: Global Rename
// CHECK3-NEXT: source.refactoring.kind.fillstub
// CHECK3-NEXT: Add Missing Protocol Requirements
// CHECK3-NEXT: ACTIONS END

// CHECK4: ACTIONS BEGIN
// CHECK4-NEXT: source.refactoring.kind.expand.default
// CHECK4-NEXT: Expand Default

// CHECK-GLOBAL: ACTIONS BEGIN
// CHECK-GLOBAL-NOT: Local Rename
// CHECK-GLOBAL: source.refactoring.kind.rename.global
// CHECK-GLOBAL-NEXT: Global Rename
// CHECK-GLOBAL-NOT: Local Rename
// CHECK-GLOBAL: ACTIONS END

// CHECK-LOCAL: ACTIONS BEGIN
// CHECK-LOCAL-NOT: Global Rename
// CHECK-LOCAL: source.refactoring.kind.rename.local
// CHECK-LOCAL-NEXT: Local Rename
// CHECK-LOCAL-NOT: Global Rename
// CHECK-LOCAL: ACTIONS END

// CHECK-RENAME-EXTRACT: Global Rename
// CHECK-RENAME-EXTRACT: Extract Method

// CHECK-SELF-RENAME1: getSelf1()
// CHECK-SELF-RENAME1: Global Rename

// CHECK-SELF-RENAME2: getSelf2()
// CHECK-SELF-RENAME2: Global Rename

// CHECK-SELF-RENAME3: getSelf3()
// CHECK-SELF-RENAME3: Global Rename

// CHECK-SELF-RENAME4: getSelf4()
// CHECK-SELF-RENAME4: Global Rename

// CHECK-IMPLICIT-SELF: Global Rename

// CHECK-LOCALIZE-STRING: source.refactoring.kind.localize.string

// CHECK-ASYNC: ACTIONS BEGIN
// CHECK-ASYNC-NOT: source.refactoring.kind.convert.call-to-async
// CHECK-ASYNC: source.refactoring.kind.convert.func-to-async
// CHECK-ASYNC-NEXT: Convert Function to Async
// CHECK-ASYNC-NEXT: source.refactoring.kind.add.async-alternative
// CHECK-ASYNC-NEXT: Add Async Alternative
// CHECK-ASYNC-NEXT: source.refactoring.kind.add.async-wrapper
// CHECK-ASYNC-NEXT: Add Async Wrapper
// CHECK-ASYNC-NOT: source.refactoring.kind.convert.call-to-async
// CHECK-ASYNC: ACTIONS END

// CHECK-CALLASYNC: ACTIONS BEGIN
// CHECK-CALLASYNC-NOT: source.refactoring.kind.add.async-alternative
// CHECK-CALLASYNC-NOT: source.refactoring.kind.convert.func-to-async
// CHECK-CALLASYNC-NOT: source.refactoring.kind.add.async-wrapper
// CHECK-CALLASYNC: source.refactoring.kind.convert.call-to-async
// CHECK-CALLASYNC-NEXT: Convert Call to Async Alternative
// CHECK-CALLASYNC-NOT: source.refactoring.kind.add.async-alternative
// CHECK-CALLASYNC-NOT: source.refactoring.kind.convert.func-to-async
// CHECK-CALLASYNC-NOT: source.refactoring.kind.add.async-wrapper
// CHECK-CALLASYNC: ACTIONS END

// REQUIRES: OS=macosx || OS=linux-gnu