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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 "package:expect/expect.dart"; | 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 class A native "A" { | 10 @Native("A") |
| 11 class A { |
10 int myLongPropertyName; | 12 int myLongPropertyName; |
11 int getValue; | 13 int getValue; |
12 | 14 |
13 int method(int z) => myLongPropertyName; | 15 int method(int z) => myLongPropertyName; |
14 } | 16 } |
15 | 17 |
16 | 18 |
17 // This code is inside the setup function, so the function names are not | 19 // 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. | 20 // 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. | 21 // The contents of this are of course not analyzable by the compiler. |
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55 if (a2 is A) { | 57 if (a2 is A) { |
56 // 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 |
57 // to access myLongPropertyName directly, using its minified name. But | 59 // to access myLongPropertyName directly, using its minified name. But |
58 // renaming of native properties can only work using getters and setters | 60 // renaming of native properties can only work using getters and setters |
59 // that access the original name. | 61 // that access the original name. |
60 a2.myLongPropertyName = 21; | 62 a2.myLongPropertyName = 21; |
61 int gotten = a2.myLongPropertyName; | 63 int gotten = a2.myLongPropertyName; |
62 Expect.equals(11, gotten); | 64 Expect.equals(11, gotten); |
63 } | 65 } |
64 } | 66 } |
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