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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, 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 import 'native_testing.dart'; | 5 import "dart:_js_helper"; |
| 6 import "package:expect/expect.dart"; |
6 | 7 |
7 // Check that native fields are not incorrectly renamed. | 8 // Check that native fields are not incorrectly renamed. |
8 | 9 |
9 @Native("A") | 10 @Native("A") |
10 class A { | 11 class A { |
11 int myLongPropertyName; | 12 int myLongPropertyName; |
12 int getValue; | 13 int getValue; |
13 | 14 |
14 int method(int z) => myLongPropertyName; | 15 int method(int z) => myLongPropertyName; |
15 } | 16 } |
16 | 17 |
17 // This code is inside the setup function, so the function names are not | 18 // This code is inside the setup function, so the function names are not |
18 // accessible, but the makeA variable is global through the magic of JS scoping. | 19 // accessible, but the makeA variable is global through the magic of JS scoping. |
19 // The contents of this are of course not analyzable by the compiler. | 20 // The contents of this are of course not analyzable by the compiler. |
20 void setup() native r""" | 21 void setup() native r""" |
21 function getter() { | 22 function getter() { |
22 return ++this.getValue; | 23 return ++this.getValue; |
23 } | 24 } |
24 | 25 |
25 function setter(x) { | 26 function setter(x) { |
26 this.getValue += 10; | 27 this.getValue += 10; |
27 } | 28 } |
28 | 29 |
29 function A(){ | 30 function A(){ |
30 var a = Object.create( | 31 var a = Object.create( |
31 { constructor: A }, | 32 { constructor: { name: 'A'}}, |
32 { myLongPropertyName: { get: getter, | 33 { myLongPropertyName: { get: getter, |
33 set: setter, | 34 set: setter, |
34 configurable: false, | 35 configurable: false, |
35 writeable: false | 36 writeable: false |
36 } | 37 } |
37 }); | 38 }); |
38 a.getValue = 0; | 39 a.getValue = 0; |
39 return a; | 40 return a; |
40 } | 41 } |
41 | 42 |
42 makeA = function(){return new A;}; | 43 makeA = function(){return new A;}; |
43 | |
44 self.nativeConstructor(A); | |
45 """; | 44 """; |
46 | 45 |
47 /*A*/ makeA() native ; | 46 A makeA() native ; |
48 | 47 |
49 main() { | 48 main() { |
50 nativeTesting(); | |
51 setup(); | 49 setup(); |
52 var a = makeA(); | 50 var a = makeA(); |
53 a.myLongPropertyName = 21; | 51 a.myLongPropertyName = 21; |
54 int gotten = a.myLongPropertyName; | 52 int gotten = a.myLongPropertyName; |
55 Expect.equals(11, gotten); | 53 Expect.equals(11, gotten); |
56 | 54 |
57 var a2 = makeA(); | 55 var a2 = makeA(); |
58 if (a2 is A) { | 56 if (a2 is A) { |
59 // Inside this 'if' the compiler knows that a2 is an A, so it is tempted | 57 // Inside this 'if' the compiler knows that a2 is an A, so it is tempted |
60 // to access myLongPropertyName directly, using its minified name. But | 58 // to access myLongPropertyName directly, using its minified name. But |
61 // renaming of native properties can only work using getters and setters | 59 // renaming of native properties can only work using getters and setters |
62 // that access the original name. | 60 // that access the original name. |
63 a2.myLongPropertyName = 21; | 61 a2.myLongPropertyName = 21; |
64 int gotten = a2.myLongPropertyName; | 62 int gotten = a2.myLongPropertyName; |
65 Expect.equals(11, gotten); | 63 Expect.equals(11, gotten); |
66 } | 64 } |
67 } | 65 } |
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