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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 "dart:_js_helper"; | 5 import "dart:_js_helper"; |
6 import "package:expect/expect.dart"; | 6 import "package:expect/expect.dart"; |
7 | 7 |
8 // Check that native fields are not incorrectly renamed. | 8 // Check that native fields are not incorrectly renamed. |
9 | 9 |
10 @Native("A") | 10 @Native("A") |
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37 writeable: false | 37 writeable: false |
38 } | 38 } |
39 }); | 39 }); |
40 a.getValue = 0; | 40 a.getValue = 0; |
41 return a; | 41 return a; |
42 } | 42 } |
43 | 43 |
44 makeA = function(){return new A;}; | 44 makeA = function(){return new A;}; |
45 """; | 45 """; |
46 | 46 |
47 A makeA() native { return new A(); } | 47 A makeA() native; |
48 | 48 |
49 main() { | 49 main() { |
50 setup(); | 50 setup(); |
51 var a = makeA(); | 51 var a = makeA(); |
52 a.myLongPropertyName = 21; | 52 a.myLongPropertyName = 21; |
53 int gotten = a.myLongPropertyName; | 53 int gotten = a.myLongPropertyName; |
54 Expect.equals(11, gotten); | 54 Expect.equals(11, gotten); |
55 | 55 |
56 var a2 = makeA(); | 56 var a2 = makeA(); |
57 if (a2 is A) { | 57 if (a2 is A) { |
58 // Inside this 'if' the compiler knows that a2 is an A, so it is tempted | 58 // Inside this 'if' the compiler knows that a2 is an A, so it is tempted |
59 // to access myLongPropertyName directly, using its minified name. But | 59 // to access myLongPropertyName directly, using its minified name. But |
60 // renaming of native properties can only work using getters and setters | 60 // renaming of native properties can only work using getters and setters |
61 // that access the original name. | 61 // that access the original name. |
62 a2.myLongPropertyName = 21; | 62 a2.myLongPropertyName = 21; |
63 int gotten = a2.myLongPropertyName; | 63 int gotten = a2.myLongPropertyName; |
64 Expect.equals(11, gotten); | 64 Expect.equals(11, gotten); |
65 } | 65 } |
66 } | 66 } |
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