test: add more ABI stability test for @_originallyDefinedIn

Author: nkcsgexi

test/attr/Inputs/SymbolMove/HighLevel.swift

@@ -3,3 +3,10 @@
 public func printMessage() {
   printMessageMoved()
 }
+public class CandyBox: Box {
+  public typealias Item = Candy
+  public var ItemKind: String { return getItem().kind }
+  let itemInBox: Item
+  public init(_ itemInBox: Item) { self.itemInBox = itemInBox }
+  public func getItem() -> Item { return itemInBox }
+}

test/attr/Inputs/SymbolMove/HighlevelOriginal.swift

@@ -10,3 +10,40 @@ public struct Entity {
     public init() {}
     public func location() -> String { return "Entity from " + value }
 }
+
+// =================== Move protocol ================================= //
+public protocol Box {
+  associatedtype Item
+  var ItemKind: String { get }
+  func getItem() -> Item
+  func shape() -> String
+}
+
+extension Box {
+  public func shape() -> String { return "square"}
+}
+
+public struct Candy {
+  public var kind = "candy"
+  public init() {}
+}
+
+public class CandyBox: Box {
+  public typealias Item = Candy
+  public var ItemKind: String { return getItem().kind }
+  let itemInBox: Item
+  public init(_ itemInBox: Item) { self.itemInBox = itemInBox }
+  public func getItem() -> Item { return itemInBox }
+}
+
+// =================== Move enum ============================ //
+public enum LanguageKind: Int {
+  case Cpp = -1
+  case Swift = -2
+  case ObjC = -3
+}
+
+open class Vehicle {
+    public init() {}
+    public var currentSpeed = -40.0
+}

test/attr/Inputs/SymbolMove/LowLevel.swift

@@ -9,3 +9,38 @@ public struct Entity {
     public init() {}
     public func location() -> String { return "Entity from " + value }
 }
+
+// =================== Move protocol =================================//
+@_originallyDefinedIn(module: "HighLevel", OSX 10.10)
+public protocol Box {
+  associatedtype Item
+  var ItemKind: String { get }
+  func getItem() -> Item
+  func shape() -> String
+}
+
+@_originallyDefinedIn(module: "HighLevel", OSX 10.10)
+extension Box {
+  public func shape() -> String { return "round"}
+}
+
+@_originallyDefinedIn(module: "HighLevel", OSX 10.10)
+public struct Candy {
+  public var kind = "candy"
+  public init() {}
+}
+
+// =================== Move enum ============================ //
+@_originallyDefinedIn(module: "HighLevel", OSX 10.10)
+public enum LanguageKind: Int {
+  case Cpp = 1
+  case Swift = 2
+  case ObjC = 3
+}
+
+// =================== Move class ============================ //
+@_originallyDefinedIn(module: "HighLevel", OSX 10.10)
+open class Vehicle {
+    public init() {}
+    public var currentSpeed = 40.0
+}

test/attr/attr_originally_definedin_backward_compatibility.swift

@@ -49,3 +49,27 @@ let e = Entity()
 print(e.location())
 // BEFORE_MOVE: Entity from HighLevel
 // AFTER_MOVE: Entity from LowLevel
+
+print(CandyBox(Candy()).ItemKind)
+// BEFORE_MOVE: candy
+// AFTER_MOVE: candy
+
+print(CandyBox(Candy()).shape())
+// BEFORE_MOVE: square
+// AFTER_MOVE: round
+
+print(LanguageKind.Cpp.rawValue)
+// BEFORE_MOVE: -1
+// AFTER_MOVE: 1
+
+print("\(Vehicle().currentSpeed)")
+// BEFORE_MOVE: -40
+// AFTER_MOVE: 40
+
+class Bicycle: Vehicle {}
+let bicycle = Bicycle()
+bicycle.currentSpeed = 15.0
+print("\(bicycle.currentSpeed)")
+
+// BEFORE_MOVE: 15.0
+// AFTER_MOVE: 15.0