| // Copyright (c) 2011, 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"; |
| |
| // Verify that native fields on classes are not renamed by the minifier. |
| @Native("A") |
| class A { |
| void set myLongPropertyName(int unused) native; |
| int get myLongPropertyName native; |
| void set getValue(int unused) native; |
| int get getValue native; |
| |
| int method(int z) => myLongPropertyName; |
| } |
| |
| void setup() { |
| JS('', r""" |
| (function(){ |
| function getter() { |
| return ++this.getValue; |
| } |
| |
| function setter(x) { |
| this.getValue += 10; |
| } |
| |
| function A(){ |
| var a = Object.create( |
| { constructor: A}, |
| { myLongPropertyName: { get: getter, |
| set: setter, |
| configurable: false, |
| writeable: false |
| } |
| }); |
| a.getValue = 0; |
| return a; |
| } |
| |
| makeA = function(){return new A()}; |
| self.nativeConstructor(A); |
| })()"""); |
| } |
| |
| A makeA() native; |
| |
| main() { |
| nativeTesting(); |
| setup(); |
| var a = makeA(); |
| a.myLongPropertyName = 21; |
| int gotten = a.myLongPropertyName; |
| Expect.equals(11, gotten); |
| |
| // Force interceptor dispatch. |
| confuse(a).myLongPropertyName = 99; |
| gotten = confuse(a).myLongPropertyName; |
| Expect.equals(22, gotten); |
| |
| var a2 = makeA(); |
| if (a2 is A) { |
| // Inside this 'if' the compiler knows that a2 is an A, so it is tempted |
| // to access myLongPropertyName directly, using its minified name. But |
| // renaming of native properties can only work using getters and setters |
| // that access the original name. |
| a2.myLongPropertyName = 21; |
| int gotten = a2.myLongPropertyName; |
| Expect.equals(11, gotten); |
| } |
| } |