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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 // Regression test for dart2js and its SsaConstructionFieldTypes | 5 // Regression test for dart2js and its SsaConstructionFieldTypes |
6 // phase. | 6 // phase. |
7 | 7 |
8 import "package:expect/expect.dart"; | 8 import "package:expect/expect.dart"; |
9 | 9 |
10 class A { | 10 class A { |
11 var _field; | 11 var _field; |
12 final other; | 12 final other; |
13 get field => _field; | 13 get field => _field; |
14 A(this._field) : other = null; | 14 A(this._field) : other = null; |
15 A.fromOther(this.other) { | 15 A.fromOther(this.other) { |
16 _field = other.field; | 16 _field = other.field; |
17 } | 17 } |
18 } | 18 } |
19 | 19 |
20 class B { | 20 class B { |
21 var a; | 21 var a; |
22 B() { | 22 B() { |
23 try { // Defeat inlining. | 23 try { |
| 24 // Defeat inlining. |
24 // An inlined generative constructor call used to confuse | 25 // An inlined generative constructor call used to confuse |
25 // dart2js. | 26 // dart2js. |
26 a = new A(42); | 27 a = new A(42); |
27 } catch (e) { | 28 } catch (e) { |
28 rethrow; | 29 rethrow; |
29 } | 30 } |
30 } | 31 } |
31 } | 32 } |
32 | 33 |
33 var array = [new A(42), new B()]; | 34 var array = [new A(42), new B()]; |
34 | 35 |
35 main() { | 36 main() { |
36 // Surround the call to [analyzeAfterB] by two [: new B() :] calls | 37 // Surround the call to [analyzeAfterB] by two [: new B() :] calls |
37 // to ensure the [B] constructor will be analyzed first. | 38 // to ensure the [B] constructor will be analyzed first. |
38 new B(); | 39 new B(); |
39 var a = analyzeAfterB(); | 40 var a = analyzeAfterB(); |
40 new B(); | 41 new B(); |
41 Expect.equals(42, a._field); | 42 Expect.equals(42, a._field); |
42 } | 43 } |
43 | 44 |
44 analyzeAfterB() { | 45 analyzeAfterB() { |
45 try { // Defeat inlining. | 46 try { |
| 47 // Defeat inlining. |
46 return new A.fromOther(array[0]); | 48 return new A.fromOther(array[0]); |
47 } catch (e) { | 49 } catch (e) { |
48 rethrow; | 50 rethrow; |
49 } | 51 } |
50 } | 52 } |
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