| // Copyright (c) 2015, 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. | |
| /// Regression for #24134: inference was not tracking ??= correctly. | |
| library dart2js.if_null2_test; | |
| import "package:expect/expect.dart"; | |
| main() { | |
| var map; | |
| map ??= {}; | |
| Expect.equals(0, map.length); | |
| Expect.isTrue(map.length == 0); | |
| } |