Merge pull request #61308 from hyp/eng/raw-enum-test

[interop][SwiftToCxx] NFC, add a test for raw representable enum

Author: swift-ci

docs/CppInteroperability/CppInteroperabilityStatus.md

@@ -163,7 +163,7 @@ This status table describes which of the following Swift language features have
 | Copy and destroy semantics   | Yes                                                      |
 | Creation                     | Yes                                                      |
 | Enums with associated values | Partially: only support structs and enums                |
-| Enums with raw values        | No                                                       |
+| Enums with raw values        | Yes                                                       |
 | Indirect enums               | No                                                       |
 
 **Class types**

test/Interop/SwiftToCxx/stdlib/optional/optional-execution.cpp

@@ -19,6 +19,12 @@ public struct SmallStruct {
     public let x: Int16
 }
 
+@_expose(Cxx)
+public enum RawEnum: Int16 {
+    case first = 1
+    case second = 3
+}
+
 @_expose(Cxx)
 public class Klass {
     public let x: Int16
@@ -114,5 +120,14 @@ int main() {
 // CHECK-NEXT: Optional(UseOptional.Klass)
 // CHECK-NEXT: nil
 // CHECK-NEXT: deinit-Klass
+
+  {
+    auto val = RawEnum::init(1);
+    assert(val.isSome());
+    assert(val.getUnsafelyUnwrapped() == RawEnum::first);
+    assert(val.getUnsafelyUnwrapped().getRawValue() == 1);
+    auto val2 = RawEnum::init(2);
+    assert(val2.isNone());
+  }
   return 0;
 }