// RUN: %target-typecheck-verify-swift

protocol Protocol1 {
  func foo(arg1: Int, arg2: String) -> String // expected-note{{protocol requires function 'foo(arg1:arg2:)' with type '(Int, String) -> String'; do you want to add a stub?}} {{27-27=\n    func foo(arg1: Int, arg2: String) -> String {\n        <#code#>\n    \}\n\n    func bar() throws -> String {\n        <#code#>\n    \}\n\n    func generic<T>(t: T) {\n        <#code#>\n    \}\n\n    required init(arg: Int) {\n        <#code#>\n    \}\n\n    var baz: Int\n\n    var baz2: Int\n\n    subscript(arg: Int) -> String {\n        <#code#>\n    \}\n\n    subscript(arg1: Int, arg2: Int) -> String {\n        get {\n            <#code#>\n        \}\n        set {\n            <#code#>\n        \}\n    \}\n}}
  func bar() throws -> String // expected-note{{protocol requires function 'bar()' with type '() throws -> String'; do you want to add a stub?}} {{27-27=\n    func foo(arg1: Int, arg2: String) -> String {\n        <#code#>\n    \}\n\n    func bar() throws -> String {\n        <#code#>\n    \}\n\n    func generic<T>(t: T) {\n        <#code#>\n    \}\n\n    required init(arg: Int) {\n        <#code#>\n    \}\n\n    var baz: Int\n\n    var baz2: Int\n\n    subscript(arg: Int) -> String {\n        <#code#>\n    \}\n\n    subscript(arg1: Int, arg2: Int) -> String {\n        get {\n            <#code#>\n        \}\n        set {\n            <#code#>\n        \}\n    \}\n}}
  func generic<T>(t: T) // expected-note{{protocol requires function 'generic(t:)' with type '<T> (t: T) -> ()'; do you want to add a stub?}} {{27-27=\n    func foo(arg1: Int, arg2: String) -> String {\n        <#code#>\n    \}\n\n    func bar() throws -> String {\n        <#code#>\n    \}\n\n    func generic<T>(t: T) {\n        <#code#>\n    \}\n\n    required init(arg: Int) {\n        <#code#>\n    \}\n\n    var baz: Int\n\n    var baz2: Int\n\n    subscript(arg: Int) -> String {\n        <#code#>\n    \}\n\n    subscript(arg1: Int, arg2: Int) -> String {\n        get {\n            <#code#>\n        \}\n        set {\n            <#code#>\n        \}\n    \}\n}}
  init(arg: Int) // expected-note{{protocol requires initializer 'init(arg:)' with type '(arg: Int)'; do you want to add a stub?}} {{27-27=\n    func foo(arg1: Int, arg2: String) -> String {\n        <#code#>\n    \}\n\n    func bar() throws -> String {\n        <#code#>\n    \}\n\n    func generic<T>(t: T) {\n        <#code#>\n    \}\n\n    required init(arg: Int) {\n        <#code#>\n    \}\n\n    var baz: Int\n\n    var baz2: Int\n\n    subscript(arg: Int) -> String {\n        <#code#>\n    \}\n\n    subscript(arg1: Int, arg2: Int) -> String {\n        get {\n            <#code#>\n        \}\n        set {\n            <#code#>\n        \}\n    \}\n}}
  var baz: Int { get } // expected-note{{protocol requires property 'baz' with type 'Int'; do you want to add a stub?}} {{27-27=\n    func foo(arg1: Int, arg2: String) -> String {\n        <#code#>\n    \}\n\n    func bar() throws -> String {\n        <#code#>\n    \}\n\n    func generic<T>(t: T) {\n        <#code#>\n    \}\n\n    required init(arg: Int) {\n        <#code#>\n    \}\n\n    var baz: Int\n\n    var baz2: Int\n\n    subscript(arg: Int) -> String {\n        <#code#>\n    \}\n\n    subscript(arg1: Int, arg2: Int) -> String {\n        get {\n            <#code#>\n        \}\n        set {\n            <#code#>\n        \}\n    \}\n}}
  var baz2: Int { get set } // expected-note{{protocol requires property 'baz2' with type 'Int'; do you want to add a stub?}} {{27-27=\n    func foo(arg1: Int, arg2: String) -> String {\n        <#code#>\n    \}\n\n    func bar() throws -> String {\n        <#code#>\n    \}\n\n    func generic<T>(t: T) {\n        <#code#>\n    \}\n\n    required init(arg: Int) {\n        <#code#>\n    \}\n\n    var baz: Int\n\n    var baz2: Int\n\n    subscript(arg: Int) -> String {\n        <#code#>\n    \}\n\n    subscript(arg1: Int, arg2: Int) -> String {\n        get {\n            <#code#>\n        \}\n        set {\n            <#code#>\n        \}\n    \}\n}}
  subscript(arg: Int) -> String { get } //expected-note{{rotocol requires subscript with type '(Int) -> String'; do you want to add a stub?}} {{27-27=\n    func foo(arg1: Int, arg2: String) -> String {\n        <#code#>\n    \}\n\n    func bar() throws -> String {\n        <#code#>\n    \}\n\n    func generic<T>(t: T) {\n        <#code#>\n    \}\n\n    required init(arg: Int) {\n        <#code#>\n    \}\n\n    var baz: Int\n\n    var baz2: Int\n\n    subscript(arg: Int) -> String {\n        <#code#>\n    \}\n\n    subscript(arg1: Int, arg2: Int) -> String {\n        get {\n            <#code#>\n        \}\n        set {\n            <#code#>\n        \}\n    \}\n}}
  subscript(arg1: Int, arg2: Int) -> String { get set } //expected-note{{protocol requires subscript with type '(Int, Int) -> String'; do you want to add a stub?}} {{27-27=\n    func foo(arg1: Int, arg2: String) -> String {\n        <#code#>\n    \}\n\n    func bar() throws -> String {\n        <#code#>\n    \}\n\n    func generic<T>(t: T) {\n        <#code#>\n    \}\n\n    required init(arg: Int) {\n        <#code#>\n    \}\n\n    var baz: Int\n\n    var baz2: Int\n\n    subscript(arg: Int) -> String {\n        <#code#>\n    \}\n\n    subscript(arg1: Int, arg2: Int) -> String {\n        get {\n            <#code#>\n        \}\n        set {\n            <#code#>\n        \}\n    \}\n}}
}

class Adopter: Protocol1 { // expected-error{{type 'Adopter' does not conform to protocol 'Protocol1'}} expected-note{{candidate has non-matching type '()'}}
}


protocol Protocol2 {
  func foo(arg1: Int, arg2: String) -> String // expected-note{{protocol requires function 'foo(arg1:arg2:)' with type '(Int, String) -> String'; do you want to add a stub?}} {{32-32=\n    func foo(arg1: Int, arg2: String) -> String {\n        <#code#>\n    \}\n\n    func bar() throws -> String {\n        <#code#>\n    \}\n\n    var baz: Int {\n        <#code#>\n    \}\n\n    var baz2: Int {\n        get {\n            <#code#>\n        \}\n        set {\n            <#code#>\n        \}\n    \}\n\n    subscript(arg: Int) -> String {\n        <#code#>\n    \}\n\n    subscript(arg1: Int, arg2: Int) -> String {\n        get {\n            <#code#>\n        \}\n        set {\n            <#code#>\n        \}\n    \}\n}}
  func bar() throws -> String // expected-note{{protocol requires function 'bar()' with type '() throws -> String'; do you want to add a stub?}} {{32-32=\n    func foo(arg1: Int, arg2: String) -> String {\n        <#code#>\n    \}\n\n    func bar() throws -> String {\n        <#code#>\n    \}\n\n    var baz: Int {\n        <#code#>\n    \}\n\n    var baz2: Int {\n        get {\n            <#code#>\n        \}\n        set {\n            <#code#>\n        \}\n    \}\n\n    subscript(arg: Int) -> String {\n        <#code#>\n    \}\n\n    subscript(arg1: Int, arg2: Int) -> String {\n        get {\n            <#code#>\n        \}\n        set {\n            <#code#>\n        \}\n    \}\n}}
  init(arg: Int) // expected-note{{protocol requires initializer 'init(arg:)' with type '(arg: Int)'}} {{none}}
  var baz: Int { get } // expected-note{{protocol requires property 'baz' with type 'Int'; do you want to add a stub?}} {{32-32=\n    func foo(arg1: Int, arg2: String) -> String {\n        <#code#>\n    \}\n\n    func bar() throws -> String {\n        <#code#>\n    \}\n\n    var baz: Int {\n        <#code#>\n    \}\n\n    var baz2: Int {\n        get {\n            <#code#>\n        \}\n        set {\n            <#code#>\n        \}\n    \}\n\n    subscript(arg: Int) -> String {\n        <#code#>\n    \}\n\n    subscript(arg1: Int, arg2: Int) -> String {\n        get {\n            <#code#>\n        \}\n        set {\n            <#code#>\n        \}\n    \}\n}}
  var baz2: Int { get set } // expected-note{{protocol requires property 'baz2' with type 'Int'; do you want to add a stub?}} {{32-32=\n    func foo(arg1: Int, arg2: String) -> String {\n        <#code#>\n    \}\n\n    func bar() throws -> String {\n        <#code#>\n    \}\n\n    var baz: Int {\n        <#code#>\n    \}\n\n    var baz2: Int {\n        get {\n            <#code#>\n        \}\n        set {\n            <#code#>\n        \}\n    \}\n\n    subscript(arg: Int) -> String {\n        <#code#>\n    \}\n\n    subscript(arg1: Int, arg2: Int) -> String {\n        get {\n            <#code#>\n        \}\n        set {\n            <#code#>\n        \}\n    \}\n}}
  subscript(arg: Int) -> String { get } //expected-note{{rotocol requires subscript with type '(Int) -> String'; do you want to add a stub?}} {{32-32=\n    func foo(arg1: Int, arg2: String) -> String {\n        <#code#>\n    \}\n\n    func bar() throws -> String {\n        <#code#>\n    \}\n\n    var baz: Int {\n        <#code#>\n    \}\n\n    var baz2: Int {\n        get {\n            <#code#>\n        \}\n        set {\n            <#code#>\n        \}\n    \}\n\n    subscript(arg: Int) -> String {\n        <#code#>\n    \}\n\n    subscript(arg1: Int, arg2: Int) -> String {\n        get {\n            <#code#>\n        \}\n        set {\n            <#code#>\n        \}\n    \}\n}}
  subscript(arg1: Int, arg2: Int) -> String { get set } //expected-note{{protocol requires subscript with type '(Int, Int) -> String'; do you want to add a stub?}} {{32-32=\n    func foo(arg1: Int, arg2: String) -> String {\n        <#code#>\n    \}\n\n    func bar() throws -> String {\n        <#code#>\n    \}\n\n    var baz: Int {\n        <#code#>\n    \}\n\n    var baz2: Int {\n        get {\n            <#code#>\n        \}\n        set {\n            <#code#>\n        \}\n    \}\n\n    subscript(arg: Int) -> String {\n        <#code#>\n    \}\n\n    subscript(arg1: Int, arg2: Int) -> String {\n        get {\n            <#code#>\n        \}\n        set {\n            <#code#>\n        \}\n    \}\n}}
}

class Adopter2 {} //  expected-note{{candidate has non-matching type '()'}}

extension Adopter2: Protocol2 { // expected-error{{ype 'Adopter2' does not conform to protocol 'Protocol2'}}
}


protocol ProtocolWithAssocType {
  associatedtype AssocType //expected-note{{protocol requires nested type 'AssocType'}} {{41-41=\n    typealias AssocType = <#type#>\n}}
}

struct Adopter3: ProtocolWithAssocType { //expected-error{{type 'Adopter3' does not conform to protocol 'ProtocolWithAssocType'}}
}


protocol ProtocolWithAssocType2 {
  associatedtype AssocType //expected-note{{protocol requires nested type 'AssocType'; do you want to add it?}} {{45-45=\n    typealias AssocType = <#type#>\n}}
}

struct Adopter4 {
}

extension Adopter4: ProtocolWithAssocType2 { //expected-error{{type 'Adopter4' does not conform to protocol 'ProtocolWithAssocType2'}}
}


protocol ProtocolWithSelfRequirement {
  func foo() -> Self // expected-note{{protocol requires function 'foo()' with type '() -> Adopter5'; do you want to add a stub?}} {{47-47=\n    func foo() -> Adopter5 {\n        <#code#>\n    \}\n\n    func foo(lhs: Adopter5, rhs: Adopter5) -> Adopter5 {\n        <#code#>\n    \}\n}}
  func foo(lhs: Self, rhs: Self) -> Self //expected-note{{protocol requires function 'foo(lhs:rhs:)' with type '(Adopter5, Adopter5) -> Adopter5'; do you want to add a stub?}} {{47-47=\n    func foo() -> Adopter5 {\n        <#code#>\n    \}\n\n    func foo(lhs: Adopter5, rhs: Adopter5) -> Adopter5 {\n        <#code#>\n    \}\n}}
}

struct Adopter5: ProtocolWithSelfRequirement { //expected-error{{type 'Adopter5' does not conform to protocol 'ProtocolWithSelfRequirement'}}
}


protocol ProtocolWithSelfRequirement2 {
  func foo() -> Self // expected-note{{protocol requires function 'foo()' with type '() -> Adopter6'; do you want to add a stub?}} {{51-51=\n    func foo() -> Adopter6 {\n        <#code#>\n    \}\n\n    func foo(lhs: Adopter6, rhs: Adopter6) -> Adopter6 {\n        <#code#>\n    \}\n}}
  func foo(lhs: Self, rhs: Self) -> Self //expected-note{{protocol requires function 'foo(lhs:rhs:)' with type '(Adopter6, Adopter6) -> Adopter6'; do you want to add a stub?}} {{51-51=\n    func foo() -> Adopter6 {\n        <#code#>\n    \}\n\n    func foo(lhs: Adopter6, rhs: Adopter6) -> Adopter6 {\n        <#code#>\n    \}\n}}
}

struct Adopter6 {}

extension Adopter6: ProtocolWithSelfRequirement2 { //expected-error{{type 'Adopter6' does not conform to protocol 'ProtocolWithSelfRequirement2'}}
}


protocol ProtocolWithSelfRequirement3 {
  func foo() -> Self // expected-note{{protocol requires function 'foo()' with type '() -> Self'; do you want to add a stub?}} {{47-47=\n    func foo() -> Self {\n        <#code#>\n    \}\n\n    func foo(lhs: Adopter7, rhs: Adopter7) -> Self {\n        <#code#>\n    \}\n}}
  func foo(lhs: Self, rhs: Self) -> Self //expected-note{{protocol requires function 'foo(lhs:rhs:)' with type '(Adopter7, Adopter7) -> Self'; do you want to add a stub?}} {{47-47=\n    func foo() -> Self {\n        <#code#>\n    \}\n\n    func foo(lhs: Adopter7, rhs: Adopter7) -> Self {\n        <#code#>\n    \}\n}}
}

class Adopter7: ProtocolWithSelfRequirement3 { //expected-error{{type 'Adopter7' does not conform to protocol 'ProtocolWithSelfRequirement3'}}
}


public protocol ProtocolWithPublicAccess1 {
  func foo() // expected-note{{protocol requires function 'foo()' with type '() -> ()'; do you want to add a stub?}} {{71-71=\n    func foo() {\n        <#code#>\n    \}\n}}
}
public protocol ProtocolWithPublicAccess2 {
  associatedtype AssocType //expected-note{{protocol requires nested type 'AssocType'}} {71-71=\n    typealias AssocType = <#type#>\n}}
}
class Adopter8: ProtocolWithPublicAccess1, ProtocolWithPublicAccess2 {
  // expected-error@-1{{type 'Adopter8' does not conform to protocol 'ProtocolWithPublicAccess1'}}
  // expected-error@-2{{type 'Adopter8' does not conform to protocol 'ProtocolWithPublicAccess2'}}
}

public protocol ProtocolWithPublicAccess3 {
  func foo() // expected-note{{protocol requires function 'foo()' with type '() -> ()'; do you want to add a stub?}} {{78-78=\n    public func foo() {\n        <#code#>\n    \}\n}}
}
public protocol ProtocolWithPublicAccess4 {
  associatedtype AssocType //expected-note{{protocol requires nested type 'AssocType'}} {{78-78=\n    public typealias AssocType = <#type#>\n}}
}
public class Adopter9: ProtocolWithPublicAccess3, ProtocolWithPublicAccess4 {
  // expected-error@-1{{type 'Adopter9' does not conform to protocol 'ProtocolWithPublicAccess3'}}
  // expected-error@-2{{type 'Adopter9' does not conform to protocol 'ProtocolWithPublicAccess4'}}
}

private protocol ProtocolWithPrivateAccess1 {
  func foo() // expected-note{{protocol requires function 'foo()' with type '() -> ()'; do you want to add a stub?}} {{74-74=\n    func foo() {\n        <#code#>\n    \}\n}}
}
private protocol ProtocolWithPrivateAccess2 {
  associatedtype AssocType //expected-note{{protocol requires nested type 'AssocType'}} {{74-74=\n    typealias AssocType = <#type#>\n}}
}
class Adopter10: ProtocolWithPrivateAccess1, ProtocolWithPrivateAccess2 {
  // expected-error@-1{{type 'Adopter10' does not conform to protocol 'ProtocolWithPrivateAccess1'}}
  // expected-error@-2{{type 'Adopter10' does not conform to protocol 'ProtocolWithPrivateAccess2'}}
}

private protocol ProtocolWithPrivateAccess3 {
  func foo() // expected-note{{protocol requires function 'foo()' with type '() -> ()'; do you want to add a stub?}} {{81-81=\n    func foo() {\n        <#code#>\n    \}\n}}
}
private protocol ProtocolWithPrivateAccess4 {
  associatedtype AssocType //expected-note{{protocol requires nested type 'AssocType'}} {{81-81=\n    typealias AssocType = <#type#>\n}}
}
public class Adopter11: ProtocolWithPrivateAccess3, ProtocolWithPrivateAccess4 {
  // expected-error@-1{{type 'Adopter11' does not conform to protocol 'ProtocolWithPrivateAccess3'}}
  // expected-error@-2{{type 'Adopter11' does not conform to protocol 'ProtocolWithPrivateAccess4'}}
}

protocol ProtocolRequiresInit1 {
  init(arg: Int) // expected-note{{protocol requires initializer 'init(arg:)' with type '(arg: Int)'; do you want to add a stub?}} {{48-48=\n    init(arg: Int) {\n        <#code#>\n    \}\n}}
}
final class Adopter12 : ProtocolRequiresInit1 {} //expected-error {{type 'Adopter12' does not conform to protocol 'ProtocolRequiresInit1'}} // expected-note{{candidate}}

protocol ProtocolRequiresInit2 {
  init(arg: Int) // expected-note{{protocol requires initializer 'init(arg:)' with type '(arg: Int)'; do you want to add a stub?}} {{46-46=\n    convenience init(arg: Int) {\n        <#code#>\n    \}\n}}
}
final class Adopter13 {} // expected-note{{candidate}}
extension Adopter13 : ProtocolRequiresInit2 {} //expected-error {{type 'Adopter13' does not conform to protocol 'ProtocolRequiresInit2'}}

protocol ProtocolRequiresInit3 {
  init(arg: Int) // expected-note{{protocol requires initializer 'init(arg:)' with type '(arg: Int)'; do you want to add a stub?}} {{46-46=\n    init(arg: Int) {\n        <#code#>\n    \}\n}}
}

struct Adopter14 {} // expected-note{{candidate}}
extension Adopter14 : ProtocolRequiresInit3 {} //expected-error {{type 'Adopter14' does not conform to protocol 'ProtocolRequiresInit3'}}