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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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