OLD | NEW |
| (Empty) |
1 // Copyright (c) 2012, 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 class B { | |
6 int value; | |
7 List trace; | |
8 B(this.trace) : value = 100; | |
9 operator [](index) { | |
10 trace.add(-3); | |
11 trace.add(index); | |
12 trace.add(this.value); | |
13 this.value = this.value + 1; | |
14 return this; | |
15 } | |
16 | |
17 operator []=(index, value) { | |
18 trace.add(-5); | |
19 trace.add(index); | |
20 trace.add(value.value); | |
21 this.value = this.value + 1; | |
22 } | |
23 | |
24 operator +(int value) { | |
25 trace.add(-4); | |
26 trace.add(this.value); | |
27 trace.add(value); | |
28 this.value = this.value + 1; | |
29 return this; | |
30 } | |
31 } | |
32 | |
33 B getB(trace) { | |
34 trace.add(-1); | |
35 return new B(trace); | |
36 } | |
37 | |
38 int getIndex(trace) { | |
39 trace.add(-2); | |
40 return 42; | |
41 } | |
42 | |
43 main() { | |
44 List trace = new List(); | |
45 getB(trace)[getIndex(trace)] += 37; | |
46 | |
47 Expect.listEquals([-1, -2, -3, 42, 100, -4, 101, 37, -5, 42, 102], trace); | |
48 } | |
OLD | NEW |