[ddc] Add test for super calls after hot reload

Regression test for broken super calls after a hot reload.

Issue: #59628
Change-Id: I799cac6babb45f0a8f7d2dd63fdfbaea72dba9b9
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/398041
Reviewed-by: Nate Biggs <[email protected]>
Commit-Queue: Nicholas Shahan <[email protected]>
Reviewed-by: Mark Zhou <[email protected]>

tests/hot_reload/super_call_regress_59628/config.json

@@ -0,0 +1,3 @@
+{
+  "exclude": []
+}

tests/hot_reload/super_call_regress_59628/main.0.dart

@@ -0,0 +1,31 @@
+// Copyright (c) 2024, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:expect/expect.dart';
+import 'package:reload_test/reload_test_utils.dart';
+
+// Regression test for https://github.com/dart-lang/sdk/issues/59628.
+
+class A {
+  method() {
+    return 'A.method';
+  }
+}
+
+class B extends A {
+  method() {
+    return '${super.method()} - B.method';
+  }
+}
+
+String unrelatedChange() => 'before';
+
+Future<void> main() async {
+  Expect.equals('before', unrelatedChange());
+  var b = B();
+  Expect.equals('A.method - B.method', b.method());
+  await hotReload();
+  Expect.equals('after', unrelatedChange());
+  Expect.equals('A.method - B.method', b.method());
+}

tests/hot_reload/super_call_regress_59628/main.1.dart

@@ -0,0 +1,49 @@
+// Copyright (c) 2024, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:expect/expect.dart';
+import 'package:reload_test/reload_test_utils.dart';
+
+// Regression test for https://github.com/dart-lang/sdk/issues/59628.
+
+class A {
+  method() {
+    return 'A.method';
+  }
+}
+
+class B extends A {
+  method() {
+    return '${super.method()} - B.method';
+  }
+}
+
+String unrelatedChange() => 'after';
+
+Future<void> main() async {
+  Expect.equals('before', unrelatedChange());
+  var b = B();
+  Expect.equals('A.method - B.method', b.method());
+  await hotReload();
+  Expect.equals('after', unrelatedChange());
+  Expect.equals('A.method - B.method', b.method());
+}
+
+/** DIFF **/
+/*
+@@ -19,7 +19,7 @@
+   }
+ }
+ 
+-String unrelatedChange() => 'before';
++String unrelatedChange() => 'after';
+ 
+ Future<void> main() async {
+   Expect.equals('before', unrelatedChange());
+@@ -29,3 +29,4 @@
+   Expect.equals('after', unrelatedChange());
+   Expect.equals('A.method - B.method', b.method());
+ }
++
+*/