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1 // Copyright (c) 2011, 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 // Tests for parsing closures with complex parameter types. | |
6 | |
7 main() { | |
8 test1(); | |
9 test2(); | |
10 test3(); | |
11 } | |
12 | |
13 class Pair<A, B> { | |
14 final A fst; | |
15 final B snd; | |
16 Pair(A this.fst, B this.snd); | |
17 } | |
18 | |
19 test1() { | |
20 // Closures with nested parameterized types. | |
21 var cdar1 = (Pair<int, Pair<int, int>> pr) => pr.snd.fst; | |
22 var cdar2 = (Pair<int, Pair<int, int> > pr) => pr.snd.fst; | |
23 | |
24 var e = new Pair<int, Pair<int, int>>(100, new Pair<int, int>(200, 300)); | |
25 | |
26 Expect.equals(200, cdar1(e)); | |
27 Expect.equals(200, cdar2(e)); | |
28 } | |
29 | |
30 test2() { | |
31 // Closures with nested parameterized types in optional position | |
32 var cdar1 = ([Pair<int, Pair<int, int>> pr = null]) => pr.snd.fst; | |
33 var cdar2 = ([Pair<int, Pair<int, int> > pr = null]) => pr.snd.fst; | |
34 | |
35 var e = new Pair<int, Pair<int, int>>(100, new Pair<int, int>(200, 300)); | |
36 | |
37 Expect.equals(200, cdar1(e)); | |
38 Expect.equals(200, cdar2(e)); | |
39 } | |
40 | |
41 test3() { | |
42 // Closures with nested parameterized types. | |
43 var f1 = (Pair<int, Pair<int, int>> pr) => pr.snd.fst + 1; | |
44 var f2 = (Pair<int, Pair<int, int> > pr) => pr.snd.fst + 2; | |
45 | |
46 // Closures with function type with nested parameterized types. | |
47 var ap1 = (f(Pair<int, Pair<int, int>> pr1), Pair<int, Pair<int, int>> pr) | |
48 => f(pr) * 10; | |
49 var ap2 = (f(Pair<int, Pair<int, int> > pr1), Pair<int, Pair<int, int> > pr) | |
50 => f(pr) * 100; | |
51 | |
52 var e = new Pair<int, Pair<int, int>>(100, new Pair<int, int>(200, 300)); | |
53 | |
54 Expect.equals(2010, ap1(f1, e)); | |
55 Expect.equals(2020, ap1(f2, e)); | |
56 Expect.equals(20100, ap2(f1, e)); | |
57 Expect.equals(20200, ap2(f2, e)); | |
58 } | |
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