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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, 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 // Native classes can have subclasses that are not declared to the program. The | 8 // Native classes can have subclasses that are not declared to the program. The |
9 // subclasses are indistinguishable from the base class. This means that | 9 // subclasses are indistinguishable from the base class. This means that |
10 // abstract native classes can appear to have instances. | 10 // abstract native classes can appear to have instances. |
11 | 11 |
12 @Native("A") | 12 @Native("A") |
13 abstract class A { | 13 abstract class A {} |
14 } | |
15 | 14 |
16 @Native("B") | 15 @Native("B") |
17 abstract class B { | 16 abstract class B { |
18 foo() native; | 17 foo() native ; |
19 } | 18 } |
20 | 19 |
21 class C {} | 20 class C {} |
22 | 21 |
23 makeA() native; | 22 makeA() native ; |
24 makeB() native; | 23 makeB() native ; |
25 | 24 |
26 void setup() native """ | 25 void setup() native """ |
27 // This code is all inside 'setup' and so not accesible from the global scope. | 26 // This code is all inside 'setup' and so not accesible from the global scope. |
28 function A(){} | 27 function A(){} |
29 function B(){} | 28 function B(){} |
30 B.prototype.foo = function() { return 'B.foo'; }; | 29 B.prototype.foo = function() { return 'B.foo'; }; |
31 makeA = function(){return new A}; | 30 makeA = function(){return new A}; |
32 makeB = function(){return new B}; | 31 makeB = function(){return new B}; |
33 """; | 32 """; |
34 | 33 |
(...skipping 14 matching lines...) Expand all Loading... |
49 Expect.isFalse(a is B); | 48 Expect.isFalse(a is B); |
50 Expect.isTrue(b is B); | 49 Expect.isTrue(b is B); |
51 Expect.isFalse(c is B); | 50 Expect.isFalse(c is B); |
52 | 51 |
53 Expect.isFalse(a is C); | 52 Expect.isFalse(a is C); |
54 Expect.isFalse(b is C); | 53 Expect.isFalse(b is C); |
55 Expect.isTrue(c is C); | 54 Expect.isTrue(c is C); |
56 | 55 |
57 Expect.equals('B.foo', b.foo()); | 56 Expect.equals('B.foo', b.foo()); |
58 } | 57 } |
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