| // Copyright (c) 2013, 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 |
| |
| // Regression test for dart2js's type inferrer, that used to not |
| // correctly infer optional named parameters. |
| |
| import "package:expect/expect.dart"; |
| |
| @pragma('vm:never-inline') |
| @pragma('dart2js:noInline') |
| foo({path}) { |
| () => 42; |
| return path.toString(); |
| } |
| |
| @pragma('vm:never-inline') |
| @pragma('dart2js:noInline') |
| bar({path}) { |
| () => 42; |
| return path; |
| } |
| |
| main() { |
| var a = <Object>[foo(path: '42'), foo(), 42, bar(path: '54')]; |
| Expect.isTrue(a[1] is String); |
| Expect.throwsNoSuchMethodError(() => bar().concat('54')); |
| } |