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Side by Side Diff: frog/tests/frog_native/native_field_rename_2_frog_test.dart

Issue 10536169: Move frog/tests/{leg,leg_only,frog_native} to tests/compiler/. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 8 years, 6 months ago
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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
3 // BSD-style license that can be found in the LICENSE file.
4
5 // A native method prevents other members from having that name, including
6 // fields. However, native fields keep their name. The implication: a getter
7 // for the field must be based on the field's name, not the field's jsname.
8
9 interface I {
10 int key;
11 }
12
13 class A implements I native "*A" {
14 int key; // jsname is 'key'
15 int getKey() => key;
16 }
17
18 class B implements I {
19 int key; // jsname is not 'key'
20 B([this.key = 222]);
21 int getKey() => key;
22 }
23
24 class X native "*X" {
25 int native_key_method() native 'key';
26 // This should cause B.key to be renamed, but not A.key.
27 int key() native 'key';
28 }
29
30 A makeA() native;
31 X makeX() native;
32
33
34 void setup() native """
35 // This code is all inside 'setup' and so not accesible from the global scope.
36 function A(){ this.key = 111; }
37 A.prototype.getKey = function(){return this.key;};
38
39 function X(){}
40 X.prototype.key = function(){return 666;};
41
42 makeA = function(){return new A};
43 makeX = function(){return new X};
44 """;
45
46 testDynamic() {
47 var things = [makeA(), new B(), makeX()];
48 var a = things[0];
49 var b = things[1];
50 var x = things[2];
51
52 Expect.equals(111, a.key);
53 Expect.equals(222, b.key);
54 Expect.equals(111, a.getKey());
55 Expect.equals(222, b.getKey());
56
57 Expect.equals(666, x.native_key_method());
58 Expect.equals(666, x.key());
59 var fn = x.key;
60 Expect.equals(666, fn());
61 }
62
63 testPartial() {
64 var things = [makeA(), new B(), makeX()];
65 I a = things[0];
66 I b = things[1];
67
68 // All subtypes of I have a field 'key'. The compiler might be tempted to
69 // generate a direct property access, but that will fail since one of the
70 // fields is renamed. A getter call is required here.
71 Expect.equals(111, a.key);
72 Expect.equals(222, b.key);
73 }
74
75 testTyped() {
76 A a = makeA();
77 B b = new B();
78 X x = makeX();
79
80 Expect.equals(666, x.native_key_method());
81 Expect.equals(111, a.key);
82 Expect.equals(222, b.key);
83 Expect.equals(111, a.getKey());
84 Expect.equals(222, b.getKey());
85 }
86
87 main() {
88 setup();
89
90 testTyped();
91 testPartial();
92 testDynamic();
93 }
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