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Test that initializers inherit '@objc' from convenience inits #23305

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Mar 15, 2019
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Test that initializers inherit '@objc' from convenience inits #23305

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40 changes: 40 additions & 0 deletions test/attr/attr_objc_swift4.swift
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
// RUN: %target-swift-frontend -disable-objc-attr-requires-foundation-module -typecheck -verify %s -swift-version 4 -enable-source-import -I %S/Inputs
// RUN: %target-swift-ide-test -skip-deinit=false -print-ast-typechecked -source-filename %s -prefer-type-repr=false -print-implicit-attrs=true -explode-pattern-binding-decls=true -disable-objc-attr-requires-foundation-module -swift-version 4 -enable-source-import -I %S/Inputs | %FileCheck %s
// REQUIRES: objc_interop

import Foundation
Expand Down Expand Up @@ -30,3 +31,42 @@ class BadInSwift4 {
@GKInspectable var badGKInspectable: PlainStruct?
// expected-error@-1{{property cannot be marked @GKInspectable because its type cannot be represented in Objective-C}}
}

// CHECK-LABEL: class InitsInheritObjCAttrBase
class InitsInheritObjCAttrBase: NSObject {
override init() {}
// CHECK: {{^}} @objc convenience init(foo: Int)
@objc convenience init(foo: Int) { self.init() }
} // CHECK: {{^[}]$}}

// CHECK-LABEL: extension InitsInheritObjCAttrBase
extension InitsInheritObjCAttrBase {
// CHECK: {{^}} @objc convenience dynamic init(bar: Int)
@objc convenience init(bar: Int) { self.init() }
} // CHECK: {{^[}]$}}

// CHECK-LABEL: class ConvenienceInitsInheritObjCAttrSub
class ConvenienceInitsInheritObjCAttrSub: InitsInheritObjCAttrBase {
init(somethingElse: ()) { super.init() }

// CHECK: {{^}} @objc convenience init(foo: Int)
convenience init(foo: Int) { self.init(somethingElse: ()) }
// FIXME: The '@objc' is relied upon, but the 'dynamic' probably shouldn't be!
// CHECK: {{^}} @objc convenience dynamic init(bar: Int)
convenience init(bar: Int) { self.init(somethingElse: ()) }

// CHECK: {{^}} convenience init(unrelated: Int)
convenience init(unrelated: Int) { self.init(somethingElse: ()) }
} // CHECK: {{^[}]$}}

// CHECK-LABEL: class DesignatedInitsInheritObjCAttrSub
class DesignatedInitsInheritObjCAttrSub: InitsInheritObjCAttrBase {
// CHECK: {{^}} @objc init(foo: Int)
init(foo: Int) { super.init() }
// FIXME: The '@objc' is relied upon, but the 'dynamic' probably shouldn't be!
// CHECK: {{^}} @objc dynamic init(bar: Int)
init(bar: Int) { super.init() }

// CHECK: {{^}} init(unrelated: Int)
init(unrelated: Int) { super.init() }
} // CHECK: {{^[}]$}}