| // Copyright (c) 2014, 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. |
| |
| import "native_testing.dart"; |
| |
| makeA() native; |
| nativeFirst(x, y) native; |
| |
| void setup() { |
| JS('', r""" |
| (function(){ |
| nativeFirst = function(x, y) { return x; }; |
| |
| function A() {} |
| makeA = function() { return new A() }; |
| self.nativeConstructor(A); |
| })()"""); |
| } |
| |
| @Native("A") |
| class A { |
| var _foo; |
| |
| get foo => _foo; |
| |
| init() { |
| _foo = () => 42; |
| } |
| } |
| |
| class B { |
| var foo = 499; |
| } |
| |
| class C { |
| foo() => 499; |
| } |
| |
| class D { |
| var foo = () => 499; |
| } |
| |
| main() { |
| nativeTesting(); |
| setup(); |
| var a = makeA(); |
| a.init(); |
| var b = new B(); |
| var c = new C(); |
| var d = new D(); |
| a = nativeFirst(a, b); |
| a = nativeFirst(a, c); |
| a = nativeFirst(a, d); |
| // The variable a is still an instance of class A, but dart2js can't infer |
| // that anymore. |
| Expect.equals(42, a.foo()); |
| } |