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 // Test cascades. | |
6 | |
7 class A { | |
8 int x; | |
9 int y; | |
10 A(this.x, this.y); | |
11 A setX(int x) { this.x = x; return this; } | |
ahe
2012/04/16 08:55:23
Would be nice with a single empty line between the
Lasse Reichstein Nielsen
2012/04/16 12:41:38
Done.
| |
12 void setY(int y) { this.y = y; } | |
13 Function swap() { | |
14 int tmp = x; | |
15 x = y; | |
16 y = tmp; | |
17 return this.swap; | |
18 } | |
19 void check(int x, int y) { | |
20 Expect.equals(x, this.x); | |
21 Expect.equals(y, this.y); | |
22 } | |
23 int operator[](var i) { | |
24 if (i == 0) return x; | |
25 if (i == 1) return y; | |
26 if (i == "swap") return this.swap; | |
27 return null; | |
28 } | |
29 int operator[]=(int i, int value) { | |
30 if (i == 0) { | |
31 x = value; | |
32 } else if (i == 1) { | |
33 y = value; | |
34 } | |
35 } | |
36 } | |
37 | |
38 main() { | |
39 A a = new A(1, 2); | |
40 a..check(1, 2) | |
41 ..swap()..check(2, 1) | |
42 ..x = 4..y = 9..check(4, 9) | |
43 ..setX(10)..check(10, 9) | |
44 ..y = 5..check(10, 5) | |
45 ..swap()()()..check(5, 10) | |
46 ..[0] = 2..check(2, 10) | |
47 ..setX(10).setY(3)..check(10, 3) | |
48 ..setX(7)["swap"]()..check(3, 7) | |
49 ..["swap"]()()()..check(7, 3); | |
ahe
2012/04/16 08:55:23
I think this test will pass if cascades are no-ops
Lasse Reichstein Nielsen
2012/04/16 12:41:38
Good point. Done.
| |
50 a..(42); /// 01: compile-time error | |
ahe
2012/04/16 08:55:23
Additional suggestions for tests:
a..42; /// 02:
Lasse Reichstein Nielsen
2012/04/16 12:41:38
Done.
| |
51 } | |
OLD | NEW |