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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 A { | |
6 final x = 3; | |
7 final y; | |
8 final z; | |
9 final t; | |
10 | |
11 const A([this.z = 99, tt = 100]) : y = 499, t = tt; | |
12 const A.named([z, this.t]) : y = 400 + z, this.z = z; | |
13 const A.named2([t, z, y, x]) : x = t, y = z, z = y, t = x; | |
14 | |
15 toString() => "A $x $y $z $t"; | |
16 } | |
17 | |
18 final a1 = const A(99, 100); | |
19 final a2 = const A.named(99, 100); | |
20 final a3 = const A.named2(1, 2, 3, 4); | |
21 final a4 = const A(); | |
22 final a5 = const A(tt: 100, z: 99); | |
23 final a6 = const A(1, tt: 2); | |
24 final a7 = const A.named(z: 7); | |
25 final a8 = const A.named2(); | |
26 final a9 = const A.named2(x: 4, y: 3, z: 2, t: 1); | |
27 final a10 = const A.named2(x: 1, y: 2, z: 3, t: 4); | |
28 | |
29 main() { | |
30 Expect.equals(3, a1.x); | |
31 Expect.equals(499, a1.y); | |
32 Expect.equals(99, a1.z); | |
33 Expect.equals(100, a1.t); | |
34 Expect.equals("A 3 499 99 100", a1.toString()); | |
35 Expect.isTrue(a1 === a2); | |
36 Expect.isTrue(a1 === a4); | |
37 Expect.isTrue(a1 === a5); | |
38 | |
39 Expect.equals(1, a3.x); | |
40 Expect.equals(2, a3.y); | |
41 Expect.equals(3, a3.z); | |
42 Expect.equals(4, a3.t); | |
43 Expect.equals("A 1 2 3 4", a3.toString()); | |
44 | |
45 Expect.equals(3, a6.x); | |
46 Expect.equals(499, a6.y); | |
47 Expect.equals(1, a6.z); | |
48 Expect.equals(2, a6.t); | |
49 Expect.equals("A 3 499 1 2", a6.toString()); | |
50 | |
51 Expect.equals(3, a7.x); | |
52 Expect.equals(407, a7.y); | |
53 Expect.equals(7, a7.z); | |
54 Expect.equals(null, a7.t); | |
55 Expect.equals("A 3 407 7 null", a7.toString()); | |
56 | |
57 Expect.equals(null, a8.x); | |
58 Expect.equals(null, a8.y); | |
59 Expect.equals(null, a8.y); | |
60 Expect.equals(null, a8.t); | |
61 Expect.equals("A null null null null", a8.toString()); | |
62 | |
63 Expect.isTrue(a3 === a9); | |
64 | |
65 Expect.equals(4, a10.x); | |
66 Expect.equals(3, a10.y); | |
67 Expect.equals(2, a10.z); | |
68 Expect.equals(1, a10.t); | |
69 Expect.equals("A 4 3 2 1", a10.toString()); | |
70 } | |
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