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| 1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 // SharedOptions=--enable-null-aware-operators | 5 // SharedOptions=--enable-null-aware-operators |
| 6 import "package:expect/expect.dart"; | 6 import "package:expect/expect.dart"; |
| 7 | 7 |
| 8 @NoInline() @AssumeDynamic() | 8 @NoInline() |
| 9 @AssumeDynamic() |
| 9 confuse(x) => x; | 10 confuse(x) => x; |
| 10 | 11 |
| 11 class A { | 12 class A { |
| 12 int x; | 13 int x; |
| 13 m() => "a"; | 14 m() => "a"; |
| 14 } | 15 } |
| 15 | 16 |
| 16 main(args) { | 17 main(args) { |
| 17 var a = confuse(true) ? null : new A(); | 18 var a = confuse(true) ? null : new A(); |
| 18 a?.x = 3; | 19 a?.x = 3; |
| 19 Expect.throws(() => a.m()); | 20 Expect.throws(() => a.m()); |
| 20 } | 21 } |
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