// Copyright (c) 2025, 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';

// Adapted from:
// https://github.com/dart-lang/sdk/blob/1a486499bf73ee5b007abbe522b94869a1f36d02/runtime/vm/isolate_reload_test.cc#L959

class A {
  String name;
  A(this.name);
}

class B extends A {
  B(name) : super(name);
}

class C extends B {
  C(name) : super(name);
}

helper() {}

var list = <dynamic>[A('a'), B('b'), C('c')];

check() {
  Expect.type<A>(list[0]);
  Expect.notType<B>(list[0]);
  Expect.notType<C>(list[0]);
  Expect.type<A>(list[1]);
  Expect.type<B>(list[1]);
  Expect.notType<C>(list[1]);
  Expect.type<A>(list[2]);
  Expect.type<B>(list[2]);
  Expect.type<C>(list[2]);
}

Future<void> main() async {
  check();
  await hotReload();

  helper();
  check();
  await hotReload();

  // Revive the class B and make sure all allocated instances take
  // their place in the inheritance hierarchy.
  check();
}