| // 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. |
| |
| // Test type promotion of locals potentially mutated. |
| |
| class A { |
| var a = true; |
| } |
| |
| class B extends A { |
| var b = true; |
| } |
| |
| class C extends B { |
| var c = true; |
| } |
| |
| class D extends A { |
| var d = true; |
| } |
| |
| class E implements C, D { |
| var a = true; |
| var b = true; |
| var c = true; |
| var d = true; |
| } |
| |
| void main() { |
| A a = new E(); |
| var b; |
| if (a is D && ((a = new D()) != null)) { |
| b = a.d; |
| } |
| if (a is D && (b = a.d)) { |
| b = a.d; |
| a = A(); |
| } |
| if ((((a) is D) && (b = (a).d))) { |
| b = a.d; |
| a = A(); |
| } |
| if (f(a = A()) && a is D) { |
| b = a.d; |
| } |
| } |
| |
| bool f(x) => true; |