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1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2014, 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 // Checks that abstract instance methods are correctly resolved. | 7 // Checks that abstract instance methods are correctly resolved. |
8 | 8 |
9 int get length => throw "error: top-level getter called"; | 9 int get length => throw "error: top-level getter called"; |
10 set height(x) { throw "error: top-level setter called"; } | 10 set height(x) { |
11 width() { throw "error: top-level function called"; } | 11 throw "error: top-level setter called"; |
| 12 } |
| 13 |
| 14 width() { |
| 15 throw "error: top-level function called"; |
| 16 } |
12 | 17 |
13 abstract class A { | 18 abstract class A { |
14 int get length; // Abstract instance getter. | 19 int get length; // Abstract instance getter. |
15 set height(x); // Abstract instance setter. | 20 set height(x); // Abstract instance setter. |
16 int width(); // Abstract instance method. | 21 int width(); // Abstract instance method. |
17 | 22 |
18 // Must resolve to non-abstract length getter in subclass. | 23 // Must resolve to non-abstract length getter in subclass. |
19 get useLength => length; | 24 get useLength => length; |
20 // Must resolve to non-abstract height setter in subclass. | 25 // Must resolve to non-abstract height setter in subclass. |
21 setHeight(x) => height = x; | 26 setHeight(x) => height = x; |
22 // Must resolve to non-abstract width() method in subclass. | 27 // Must resolve to non-abstract width() method in subclass. |
23 useWidth() => width(); | 28 useWidth() => width(); |
24 } | 29 } |
25 | 30 |
26 class A1 extends A { | 31 class A1 extends A { |
27 int length; // Implies a length getter. | 32 int length; // Implies a length getter. |
28 int height; // Implies a height setter. | 33 int height; // Implies a height setter. |
29 int width() => 345; | 34 int width() => 345; |
30 A1(this.length); | 35 A1(this.length); |
31 } | 36 } |
32 | 37 |
33 main() { | 38 main() { |
34 var a = new A1(123); | 39 var a = new A1(123); |
35 Expect.equals(123, a.useLength); | 40 Expect.equals(123, a.useLength); |
36 a.setHeight(234); | 41 a.setHeight(234); |
37 Expect.equals(234, a.height); | 42 Expect.equals(234, a.height); |
38 Expect.equals(345, a.useWidth()); | 43 Expect.equals(345, a.useWidth()); |
39 print([a.useLength, a.height, a.useWidth()]); | 44 print([a.useLength, a.height, a.useWidth()]); |
40 } | 45 } |
41 | |
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