Merge pull request #77570 from tshortli/back-deployed-objc-tests

Tests: Expand tests for @backDeployed diagnostics on Obj-C compatible decls

Author: tshortli

test/attr/attr_backDeployed_objc.swift

@@ -0,0 +1,86 @@
+// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -typecheck -parse-as-library -verify %s
+
+// REQUIRES: OS=macosx
+
+import Foundation
+
+public class SwiftClass {
+  @backDeployed(before: macOS 12.0) // expected-error {{'@backDeployed' must not be used on an '@objc' instance method}}
+  @objc final public func objCMethod() {}
+}
+
+public class ObjCClass: NSObject {
+  @backDeployed(before: macOS 12.0) // expected-error {{'@backDeployed' cannot be applied to a non-final instance method}}
+  public func method() {}
+
+  @backDeployed(before: macOS 12.0) // expected-error {{'@backDeployed' must not be used on an '@objc' instance method}}
+  @objc public func objcMethod() {}
+
+  @backDeployed(before: macOS 12.0) // expected-error {{'@backDeployed' must not be used on an '@objc' instance method}}
+  @objc final public func finalObjcMethod() {}
+
+  @backDeployed(before: macOS 12.0)
+  final public func finalMethod() {}
+
+  @backDeployed(before: macOS 12.0) // expected-error {{'@backDeployed' cannot be applied to a non-final instance method}}
+  @nonobjc public func nonObjCMethod() {}
+
+  @backDeployed(before: macOS 12.0)
+  @nonobjc final public func finalNonObjCMethod() {}
+
+  @backDeployed(before: macOS 12.0) // expected-error {{'@backDeployed' cannot be applied to a non-final property}}
+  public var property: [Int] { [1] }
+
+  @backDeployed(before: macOS 12.0) // expected-error {{'@backDeployed' must not be used on an '@objc' property}}
+  @objc public var objCProperty: [Int] { [1] }
+
+  @backDeployed(before: macOS 12.0) // expected-error {{'@backDeployed' must not be used on an '@objc' property}}
+  @objc public final var finalObjCProperty: [Int] { [1] }
+
+  @backDeployed(before: macOS 12.0)
+  public final var finalProperty: [Int] { [1] }
+
+  @backDeployed(before: macOS 12.0) // expected-error {{'@backDeployed' cannot be applied to a non-final property}}
+  @nonobjc public var nonObjCProperty: [Int] { [1] }
+
+  @backDeployed(before: macOS 12.0)
+  @nonobjc public final var finalNonObjCProperty: [Int] { [1] }
+}
+
+extension DummyClass {
+  @backDeployed(before: macOS 12.0) // expected-error {{'@backDeployed' cannot be applied to a non-final instance method}}
+  public func method() {}
+
+  @backDeployed(before: macOS 12.0) // expected-error {{'@backDeployed' must not be used on an '@objc' instance method}}
+  @objc public func objcMethod() {}
+
+  @backDeployed(before: macOS 12.0) // expected-error {{'@backDeployed' must not be used on an '@objc' instance method}}
+  @objc final public func finalObjcMethod() {}
+
+  @backDeployed(before: macOS 12.0)
+  final public func finalMethod() {}
+
+  @backDeployed(before: macOS 12.0) // expected-error {{'@backDeployed' cannot be applied to a non-final instance method}}
+  @nonobjc public func nonObjCMethod() {}
+
+  @backDeployed(before: macOS 12.0)
+  @nonobjc final public func finalNonObjCMethod() {}
+
+  @backDeployed(before: macOS 12.0) // expected-error {{'@backDeployed' cannot be applied to a non-final property}}
+  public var property: [Int] { [1] }
+
+  @backDeployed(before: macOS 12.0) // expected-error {{'@backDeployed' must not be used on an '@objc' property}}
+  @objc public var objCProperty: [Int] { [1] }
+
+  @backDeployed(before: macOS 12.0) // expected-error {{'@backDeployed' must not be used on an '@objc' property}}
+  @objc public final var finalObjCProperty: [Int] { [1] }
+
+  @backDeployed(before: macOS 12.0)
+  public final var finalProperty: [Int] { [1] }
+
+  @backDeployed(before: macOS 12.0) // expected-error {{'@backDeployed' cannot be applied to a non-final property}}
+  @nonobjc public var nonObjCProperty: [Int] { [1] }
+
+  @backDeployed(before: macOS 12.0)
+  @nonobjc public final var finalNonObjCProperty: [Int] { [1] }
+}

test/attr/attr_objc.swift

@@ -2696,11 +2696,3 @@ class issue55246 {
   subscript<T>(foo : [T]) -> Int { return 0 }
   // access-note-adjust{{@objc}} expected-error@-1 {{subscript cannot be marked @objc because it has generic parameters}}
 }
-
-// @backDeployed
-
-public class BackDeployClass {
-  @backDeployed(before: macOS 12.0) // expected-error {{'@backDeployed' must not be used on an '@objc' instance method}}
-  @objc
-  final public func objcMethod() {}
-}