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// RUN: %target-swift-frontend -typecheck -verify -enable-objc-interop %s
// REQUIRES: objc_interop
import Foundation
class ObjcClassCase {
@objc
func foo(@WrapperObjcClass _ ref: Int) throws {}
}
@propertyWrapper @objc
public class WrapperObjcClass: NSObject {
public var wrappedValue: Int
public init(wrappedValue: Int) {
self.wrappedValue = wrappedValue
}
public init(projectedValue: WrapperObjcClass) {
fatalError()
}
public var projectedValue: WrapperObjcClass {
fatalError()
}
}
class GenericClassCase {
@objc
func foo(@WrapperGenericClass _ ref: Int) throws {} // expected-error {{method cannot be marked @objc because the type of the parameter cannot be represented in Objective-C}}
// expected-note@-1 {{classes not annotated with @objc cannot be represented in Objective-C}}
}
@propertyWrapper
public class WrapperGenericClass<Element> {
public var wrappedValue: Element
public init(wrappedValue: Element) {
self.wrappedValue = wrappedValue
}
public init(projectedValue: WrapperGenericClass<Element>) {
fatalError()
}
public var projectedValue: WrapperGenericClass<Element> {
fatalError()
}
}
class StructCase {
@objc
func foo(@WrapperStruct _ ref: Int) throws {} // expected-error {{method cannot be marked @objc because the type of the parameter cannot be represented in Objective-C}}
// expected-note@-1 {{Swift structs cannot be represented in Objective-C}}
}
@propertyWrapper
public struct WrapperStruct {
public var wrappedValue: Int
public init(wrappedValue: Int) {
self.wrappedValue = wrappedValue
}
public init(projectedValue: WrapperStruct) {
fatalError()
}
public var projectedValue: WrapperStruct {
fatalError()
}
}
class EnumCase {
@objc
func foo(@WrapperEnum _ ref: Int) throws {} // expected-error {{method cannot be marked @objc because the type of the parameter cannot be represented in Objective-C}}
// expected-note@-1 {{non-'@objc' enums cannot be represented in Objective-C}}
}
@propertyWrapper
public enum WrapperEnum {
public var wrappedValue: Int {
fatalError()
}
public init(wrappedValue: Int) {
}
public init(projectedValue: WrapperStruct) {
fatalError()
}
public var projectedValue: WrapperStruct {
fatalError()
}
}
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