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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 import "package:expect/expect.dart"; | 5 import "package:expect/expect.dart"; |
| 6 | 6 |
| 7 class A { | 7 class A { |
| 8 var _x, _y; | 8 var _x, _y; |
| 9 A(x, [y = 10]): _x = x++, _y = y++ { | 9 A(x, [y = 10]) |
| 10 : _x = x++, |
| 11 _y = y++ { |
| 10 // Check that value of modified constructor parameters | 12 // Check that value of modified constructor parameters |
| 11 // is remembered in the constructor body. | 13 // is remembered in the constructor body. |
| 12 Expect.equals(x, _x + 1); | 14 Expect.equals(x, _x + 1); |
| 13 Expect.equals(y, _y + 1); | 15 Expect.equals(y, _y + 1); |
| 14 Expect.isFalse(?y); // //# 01: compile-time error | 16 Expect.isFalse(?y); // //# 01: compile-time error |
| 15 } | 17 } |
| 16 } | 18 } |
| 17 | 19 |
| 18 class B extends A { | 20 class B extends A { |
| 19 var _a, _b; | 21 var _a, _b; |
| 20 // The super call in the middle of the initializer list conceptually | 22 // The super call in the middle of the initializer list conceptually |
| 21 // forces two super call chains, one for initializer list and a second | 23 // forces two super call chains, one for initializer list and a second |
| 22 // one for the constructor bodies. | 24 // one for the constructor bodies. |
| 23 B(a, b): _a = a++, super(a + b++), _b = b++ { | 25 B(a, b) |
| 26 : _a = a++, |
| 27 super(a + b++), |
| 28 _b = b++ { |
| 24 Expect.equals(a, _a + 1); | 29 Expect.equals(a, _a + 1); |
| 25 Expect.equals(b, _b + 1); | 30 Expect.equals(b, _b + 1); |
| 26 Expect.equals(a + (b-2), _x); | 31 Expect.equals(a + (b - 2), _x); |
| 27 } | 32 } |
| 28 } | 33 } |
| 29 | 34 |
| 30 main() { | 35 main() { |
| 31 var o = new B(3, 5); | 36 var o = new B(3, 5); |
| 32 Expect.equals(3, o._a); | 37 Expect.equals(3, o._a); |
| 33 Expect.equals(6, o._b); | 38 Expect.equals(6, o._b); |
| 34 Expect.equals(9, o._x); | 39 Expect.equals(9, o._x); |
| 35 Expect.equals(10, o._y); | 40 Expect.equals(10, o._y); |
| 36 o = new A(3); | 41 o = new A(3); |
| 37 Expect.equals(3, o._x); | 42 Expect.equals(3, o._x); |
| 38 Expect.equals(10, o._y); | 43 Expect.equals(10, o._y); |
| 39 } | 44 } |
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