| // Copyright (c) 2018, 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 = 2.7 |
| |
| import 'package:expect/expect.dart'; |
| |
| /*spec.class: global#JsLinkedHashMap:checkedInstance,checks=[],instance*/ |
| |
| /*prod.class: global#JsLinkedHashMap:checks=[],instance*/ |
| |
| @pragma('dart2js:noInline') |
| method<T>() { |
| return |
| /*spec.checks=[$signature],instance*/ |
| /*prod.checks=[],instance*/ |
| () => <T, int>{}; |
| } |
| |
| @pragma('dart2js:noInline') |
| test(o) => o is Map<int, int>; |
| |
| main() { |
| Expect.isTrue(test(method<int>().call())); |
| Expect.isFalse(test(method<String>().call())); |
| } |