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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 "native_testing.dart"; | 5 import "dart:_js_helper"; |
| 6 import "package:expect/expect.dart"; |
6 | 7 |
7 // 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 |
8 // subclasses are indistinguishable from the base class. This means that | 9 // subclasses are indistinguishable from the base class. This means that |
9 // abstract native classes can appear to have instances. | 10 // abstract native classes can appear to have instances. |
10 | 11 |
11 @Native("A") | 12 @Native("A") |
12 abstract class A {} | 13 abstract class A {} |
13 | 14 |
14 @Native("B") | 15 @Native("B") |
15 abstract class B { | 16 abstract class B { |
16 foo() native ; | 17 foo() native ; |
17 } | 18 } |
18 | 19 |
19 class C {} | 20 class C {} |
20 | 21 |
21 makeA() native ; | 22 makeA() native ; |
22 makeB() native ; | 23 makeB() native ; |
23 | 24 |
24 void setup() native """ | 25 void setup() native """ |
25 // 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. |
26 function A(){} | 27 function A(){} |
27 function B(){} | 28 function B(){} |
28 B.prototype.foo = function() { return 'B.foo'; }; | 29 B.prototype.foo = function() { return 'B.foo'; }; |
29 makeA = function(){return new A}; | 30 makeA = function(){return new A}; |
30 makeB = function(){return new B}; | 31 makeB = function(){return new B}; |
31 self.nativeConstructor(A); | |
32 self.nativeConstructor(B); | |
33 """; | 32 """; |
34 | 33 |
| 34 var inscrutable; |
35 main() { | 35 main() { |
36 nativeTesting(); | |
37 setup(); | 36 setup(); |
| 37 inscrutable = (x) => x; |
| 38 inscrutable = inscrutable(inscrutable); |
38 | 39 |
39 var a = makeA(); | 40 var a = makeA(); |
40 var b = makeB(); | 41 var b = makeB(); |
41 var c = confuse(new C()); | 42 var c = inscrutable(new C()); |
42 | 43 |
43 Expect.isTrue(a is A); | 44 Expect.isTrue(a is A); |
44 Expect.isFalse(b is A); | 45 Expect.isFalse(b is A); |
45 Expect.isFalse(c is A); | 46 Expect.isFalse(c is A); |
46 | 47 |
47 Expect.isFalse(a is B); | 48 Expect.isFalse(a is B); |
48 Expect.isTrue(b is B); | 49 Expect.isTrue(b is B); |
49 Expect.isFalse(c is B); | 50 Expect.isFalse(c is B); |
50 | 51 |
51 Expect.isFalse(a is C); | 52 Expect.isFalse(a is C); |
52 Expect.isFalse(b is C); | 53 Expect.isFalse(b is C); |
53 Expect.isTrue(c is C); | 54 Expect.isTrue(c is C); |
54 | 55 |
55 Expect.equals('B.foo', b.foo()); | 56 Expect.equals('B.foo', b.foo()); |
56 } | 57 } |
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