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Side by Side Diff: frog/tests/frog_native/native_class_inheritance1_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 // Test to see if resolving a hidden native class's method interferes with
6 // subsequent resolving the subclass's method. This might happen if the
7 // superclass caches the method in the prototype, so shadowing the dispatcher
8 // stored on Object.prototype.
9
10 // Version 1: It might be possible to call foo directly.
11 class A1 native "*A1" {
12 foo() native;
13 }
14
15 class B1 extends A1 native "*B1" {
16 foo() native;
17 }
18
19 makeA1() native;
20 makeB1() native;
21
22
23 // Version 2: foo needs some kind of trampoline.
24 class A2 native "*A2" {
25 foo([a=99]) native;
26 }
27
28 class B2 extends A2 native "*B2" {
29 foo([z=1000]) native;
30 }
31
32 makeA2() native;
33 makeB2() native;
34
35 void setup() native """
36 // This code is all inside 'setup' and so not accesible from the global scope.
37 function inherits(child, parent) {
38 if (child.prototype.__proto__) {
39 child.prototype.__proto__ = parent.prototype;
40 } else {
41 function tmp() {};
42 tmp.prototype = parent.prototype;
43 child.prototype = new tmp();
44 child.prototype.constructor = child;
45 }
46 }
47 function A1(){}
48 function B1(){}
49 inherits(B1, A1);
50 A1.prototype.foo = function(){return 100;}
51 B1.prototype.foo = function(){return 200;}
52
53 makeA1 = function(){return new A1};
54 makeB1 = function(){return new B1};
55
56 function A2(){}
57 function B2(){}
58 inherits(B2, A2);
59 A2.prototype.foo = function(a){return a + 10000;}
60 B2.prototype.foo = function(z){return z + 20000;}
61
62 makeA2 = function(){return new A2};
63 makeB2 = function(){return new B2};
64 """;
65
66
67 main() {
68 setup();
69
70 var a1 = makeA1();
71 var b1 = makeB1();
72 Expect.equals(100, a1.foo());
73 Expect.equals(200, b1.foo());
74
75 var a2 = makeA2();
76 var b2 = makeB2();
77 Expect.equals(10000 + 99, a2.foo());
78 Expect.equals(20000 + 1000, b2.foo());
79
80 Expect.equals(10000 + 1, a2.foo(1));
81 Expect.equals(20000 + 2, b2.foo(2));
82
83 bool caught = false;
84 try {
85 a1.foo(20);
86 } catch (var ex) {
87 caught = true;
88 Expect.isTrue(ex is NoSuchMethodException);
89 }
90 Expect.isTrue(caught, 'a1.foo(20) should throw');
91
92 caught = false;
93 try {
94 var x = 123;
95 x.foo(20);
96 } catch (var ex) {
97 caught = true;
98 Expect.isTrue(ex is NoSuchMethodException);
99 }
100 Expect.isTrue(caught, "x.foo(20) should throw");
101 }
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