| // Copyright (c) 2020, 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. |
| |
| // @dart = 2.9 |
| |
| // Tests that lazily-loaded fields are properly reset after hot restarts. |
| |
| import 'package:expect/expect.dart'; |
| import 'dart:_runtime' as dart; |
| |
| double lazy = 3.14; |
| |
| class Lazies { |
| static String s = "default"; |
| } |
| |
| main() { |
| Expect.equals(Lazies.s, "default"); |
| Lazies.s = "set"; |
| Expect.equals(Lazies.s, "set"); |
| Expect.equals(lazy, 3.14); |
| lazy = 2.72; |
| Expect.equals(lazy, 2.72); |
| |
| dart.hotRestart(); |
| |
| Expect.equals(Lazies.s, "default"); |
| Lazies.s = "set"; |
| Expect.equals(Lazies.s, "set"); |
| Expect.equals(lazy, 3.14); |
| lazy = 2.72; |
| Expect.equals(lazy, 2.72); |
| |
| dart.hotRestart(); |
| dart.hotRestart(); |
| |
| Expect.equals(Lazies.s, "default"); |
| Expect.equals(lazy, 3.14); |
| } |