| // Copyright (c) 2019, 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. |
| |
| /** |
| * @assertion As with the if statement, the condition expression of an if |
| * element induces type promotion in the "then" element of the if when the |
| * condition expression shows that a variable has some type and promotion isn't |
| * otherwise aborted. |
| * |
| * @description Checks that it is a compile error if type promotion occurs in |
| * the "else" element |
| * @compile-error |
| * @author sgrekhov@unipro.ru |
| */ |
| |
| class A { |
| int get a => 0; |
| } |
| class C extends A { |
| int get c => 1; |
| } |
| |
| |
| main() { |
| A c = new C(); |
| [ |
| if (c is C) |
| 1 |
| else |
| c.c |
| ]; |
| } |
