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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 // Test to see if resolving a hidden native class's method interferes with | 8 // Test to see if resolving a hidden native class's method interferes with |
9 // subsequent resolving the subclass's method. This might happen if the | 9 // subsequent resolving the subclass's method. This might happen if the |
10 // superclass caches the method in the prototype, so shadowing the dispatcher | 10 // superclass caches the method in the prototype, so shadowing the dispatcher |
11 // stored on Object.prototype. | 11 // stored on Object.prototype. |
12 | 12 |
13 // Version 1: It might be possible to call foo directly. | 13 // Version 1: It might be possible to call foo directly. |
14 @Native("A1") | 14 @Native("A1") |
15 class A1 { | 15 class A1 { |
16 foo() native; | 16 foo() native ; |
17 } | 17 } |
18 | 18 |
19 @Native("B1") | 19 @Native("B1") |
20 class B1 extends A1 { | 20 class B1 extends A1 { |
21 foo() native; | 21 foo() native ; |
22 } | 22 } |
23 | 23 |
24 makeA1() native; | 24 makeA1() native ; |
25 makeB1() native; | 25 makeB1() native ; |
26 | |
27 | 26 |
28 // Version 2: foo needs some kind of trampoline. | 27 // Version 2: foo needs some kind of trampoline. |
29 @Native("A2") | 28 @Native("A2") |
30 class A2 { | 29 class A2 { |
31 foo([a=99]) native; | 30 foo([a = 99]) native ; |
32 } | 31 } |
33 | 32 |
34 @Native("B2") | 33 @Native("B2") |
35 class B2 extends A2 { | 34 class B2 extends A2 { |
36 foo([z=1000]) native; | 35 foo([z = 1000]) native ; |
37 } | 36 } |
38 | 37 |
39 makeA2() native; | 38 makeA2() native ; |
40 makeB2() native; | 39 makeB2() native ; |
41 | 40 |
42 void setup() native """ | 41 void setup() native """ |
43 // This code is all inside 'setup' and so not accesible from the global scope. | 42 // This code is all inside 'setup' and so not accesible from the global scope. |
44 function inherits(child, parent) { | 43 function inherits(child, parent) { |
45 if (child.prototype.__proto__) { | 44 if (child.prototype.__proto__) { |
46 child.prototype.__proto__ = parent.prototype; | 45 child.prototype.__proto__ = parent.prototype; |
47 } else { | 46 } else { |
48 function tmp() {}; | 47 function tmp() {}; |
49 tmp.prototype = parent.prototype; | 48 tmp.prototype = parent.prototype; |
50 child.prototype = new tmp(); | 49 child.prototype = new tmp(); |
(...skipping 12 matching lines...) Expand all Loading... |
63 function A2(){} | 62 function A2(){} |
64 function B2(){} | 63 function B2(){} |
65 inherits(B2, A2); | 64 inherits(B2, A2); |
66 A2.prototype.foo = function(a){return a + 10000;} | 65 A2.prototype.foo = function(a){return a + 10000;} |
67 B2.prototype.foo = function(z){return z + 20000;} | 66 B2.prototype.foo = function(z){return z + 20000;} |
68 | 67 |
69 makeA2 = function(){return new A2}; | 68 makeA2 = function(){return new A2}; |
70 makeB2 = function(){return new B2}; | 69 makeB2 = function(){return new B2}; |
71 """; | 70 """; |
72 | 71 |
73 | |
74 main() { | 72 main() { |
75 setup(); | 73 setup(); |
76 | 74 |
77 var a1 = makeA1(); | 75 var a1 = makeA1(); |
78 var b1 = makeB1(); | 76 var b1 = makeB1(); |
79 Expect.equals(100, a1.foo()); | 77 Expect.equals(100, a1.foo()); |
80 Expect.equals(200, b1.foo()); | 78 Expect.equals(200, b1.foo()); |
81 | 79 |
82 var a2 = makeA2(); | 80 var a2 = makeA2(); |
83 var b2 = makeB2(); | 81 var b2 = makeB2(); |
(...skipping 15 matching lines...) Expand all Loading... |
99 caught = false; | 97 caught = false; |
100 try { | 98 try { |
101 var x = 123; | 99 var x = 123; |
102 x.foo(20); | 100 x.foo(20); |
103 } catch (ex) { | 101 } catch (ex) { |
104 caught = true; | 102 caught = true; |
105 Expect.isTrue(ex is NoSuchMethodError); | 103 Expect.isTrue(ex is NoSuchMethodError); |
106 } | 104 } |
107 Expect.isTrue(caught, "x.foo(20) should throw"); | 105 Expect.isTrue(caught, "x.foo(20) should throw"); |
108 } | 106 } |
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