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// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -typecheck %s -verify
// REQUIRES: objc_interop
import Foundation
class X : NSObject {
func foo() -> X { return self }
}
@NSManaged struct SomeStruct {} // expected-error {{'@NSManaged' attribute cannot be applied to this declaration}}
@NSManaged var global: Int // expected-error {{@NSManaged only allowed on an instance property or method}}
// expected-error@+1 {{@NSManaged method cannot have a body; it must be provided at runtime}}
@NSManaged // expected-error {{@NSManaged only allowed on an instance property or method}}
func managedFunction() {}
protocol SwiftProto { }
class SwiftGizmo : A {
@NSManaged var a: X
@NSManaged var b: Int
@NSManaged let c: Int // expected-error {{@NSManaged not allowed on a 'let' property}}
// expected-error@+1{{@NSManaged property cannot have an initial value}}
@NSManaged var gizmo: SwiftGizmo = SwiftGizmo()
// expected-error@+1{{@NSManaged not allowed on computed properties}}
@NSManaged var computed_var: Int {
return 5
}
// expected-error@+1{{@NSManaged not allowed on observing properties}}
@NSManaged var observing_var: Int {
willSet { }
}
// expected-error@+1{{property cannot be marked @NSManaged because its type cannot be represented in Objective-C}}
@NSManaged var nonobjc_var: SwiftProto?
// expected-error@+2 {{@NSManaged only allowed on an instance property or method}}
// expected-error@+1 {{@NSManaged property cannot have an initial value}}
@NSManaged class var d: Int = 4
@NSManaged var e: Int { return 4 } // expected-error {{@NSManaged not allowed on computed properties}}
@NSCopying @NSManaged var optionalProperty : NSString? // expected-error {{@NSManaged property cannot also be marked @NSCopying}}
@NSManaged func mutableArrayValueForA() // no-warning
@NSManaged func mutableArrayValueForB() {} // expected-error {{NSManaged method cannot have a body; it must be provided at runtime}}
@NSManaged class func mutableArrayValueForA() {} // expected-error {{@NSManaged only allowed on an instance property or method}}
// expected-error@-1 {{@NSManaged method cannot have a body; it must be provided at runtime}}
// (https://github.com/apple/swift/issues/43662) Don't assert.
@NSManaged var multiA, multiB, multiC : NSNumber?
override init() {}
}
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