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// RUN: %empty-directory(%t)
// RUN: %target-typecheck-verify-swift -sdk %clang-importer-sdk -I %t
// REQUIRES: objc_interop
import Foundation
open class InvalidOpenExtension {
open func openMethod() { } // No warning: Pure Swift methods can be open inside the class declaration.
open var openVar: Int { 3 } // No warning: Pure Swift properties can be open inside the class declaration.
}
extension InvalidOpenExtension {
open func nonObjcOpenMethod() { } // expected-warning {{non-'@objc' instance method in extensions cannot be overridden; use 'public' instead}} {{3-7=public}}
open class func nonObjcOpenMethod() { } // expected-warning {{non-'@objc' class method in extensions cannot be overridden; use 'public' instead}} {{3-7=public}}
open var nonObjcOpenVar: Int { 3 } // expected-warning {{non-'@objc' property in extensions cannot be overridden; use 'public' instead}} {{3-7=public}}
open subscript(_ index: Int) -> Int { 3 } // expected-warning {{non-'@objc' subscript in extensions cannot be overridden; use 'public' instead}} {{3-7=public}}
open convenience init(index: Int) { self.init() } // expected-error {{only classes and overridable class members can be declared 'open'; use 'public'}} // expected-warning {{non-'@objc' initializer in extensions cannot be overridden; use 'public' instead}}
@objc open func objcOpenMethod() { } // No warning: @objc methods can be open inside extensions.
@objc open var objcOpenVar: Int { 3 } // No warning: @objc methods can be open inside extensions.
open class nonObjcClassDecl { }
open enum nonObjcEnumDecl { case one } // expected-error {{only classes and overridable class members can be declared 'open'; use 'public'}} {{3-7=public}}
}
// For extensions with access level less than open, '`open` modifier conflicts with...' warning will always precede the 'non-@objc member...' warning.
// For extensions with open access level, invalid open extension error will precede the 'non-@objc member...' warning.
public extension InvalidOpenExtension {
open func nonObjcOpenMethod2() { } // expected-warning {{'open' modifier conflicts with extension's default access of 'public'}}
open var nonObjcOpenVar2: Int { 3 } // expected-warning {{'open' modifier conflicts with extension's default access of 'public'}}
@objc open func objcOpenMethod2() { } // expected-warning {{'open' modifier conflicts with extension's default access of 'public'}}
@objc open var objcOpenVar2: Int { 3 } // expected-warning {{'open' modifier conflicts with extension's default access of 'public'}}
}
@objcMembers
open class ValidOpenExtension { }
extension ValidOpenExtension {
open func objcOpenMethod() { } // No warning: This declaration is implicitly @objc
open class func objcOpenMethod() { } // No warning: This declaration is implicitly @objc
open var objcOpenVar: Int { 3 } // No warning: This declaration is implicitly @objc
open subscript(_ index: Int) -> Int { 3 } // No warning: This declaration is implicitly @objc
open convenience init(index: Int) { self.init() } // expected-error {{only classes and overridable class members can be declared 'open'; use 'public'}}
}
public extension ValidOpenExtension {
open func objcOpenMethod2() { } // expected-warning {{'open' modifier conflicts with extension's default access of 'public'}}
open var objcOpenVar2: Int { 3 } // expected-warning {{'open' modifier conflicts with extension's default access of 'public'}}
}
class InvalidOpenExtensionClass { }
open extension InvalidOpenExtensionClass { // expected-error {{extensions cannot be declared 'open'; declare individual members as 'open' instead}} {{1-6=}} {{+2:9-9=open }} {{+3:3-3=public }} {{+5:9-9=open }} {{+6:3-3=public }}
private func A() { } // OK
@objc func B() { } // Insert open
func C() { } // Insert public
@objc private var D: Int { 3 } // Okay
@objc var E: Int { 3 } // Insert open
var F: Int { 3 } // Insert public
private var G: Int { 3 } // Okay
}
@objc
@objcMembers
class InvalidOpenExtensionObjcClass: NSObject { }
open extension InvalidOpenExtensionObjcClass { // expected-error {{extensions cannot be declared 'open'; declare individual members as 'open' instead}} {{1-6=}} {{+2:9-9=open }} {{+3:3-3=open }} {{+5:9-9=open }} {{+6:3-3=open }}
private func A() { } // OK
@objc func B() { } // Insert open
func C() { } // Insert open
@objc private var D: Int { 3 } // Okay
@objc var E: Int { 3 } // Insert open
var F: Int { 3 } // Insert open
private var G: Int { 3 } // Okay
}
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