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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 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 | 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 // Tests for parsing closures with complex parameter types. | 7 // Tests for parsing closures with complex parameter types. |
8 | 8 |
9 main() { | 9 main() { |
10 test1(); | 10 test1(); |
11 test2(); | 11 test2(); |
12 test3(); | 12 test3(); |
13 } | 13 } |
14 | 14 |
15 class Pair<A, B> { | 15 class Pair<A, B> { |
16 final A fst; | 16 final A fst; |
17 final B snd; | 17 final B snd; |
18 Pair(A this.fst, B this.snd); | 18 Pair(A this.fst, B this.snd); |
19 } | 19 } |
20 | 20 |
21 test1() { | 21 test1() { |
22 // Closures with nested parameterized types. | 22 // Closures with nested parameterized types. |
23 var cdar1 = (Pair<int, Pair<int, int>> pr) => pr.snd.fst; | 23 var cdar1 = (Pair<int, Pair<int, int>> pr) => pr.snd.fst; |
24 var cdar2 = (Pair<int, Pair<int, int> > pr) => pr.snd.fst; | 24 var cdar2 = (Pair<int, Pair<int, int>> pr) => pr.snd.fst; |
25 | 25 |
26 var e = new Pair<int, Pair<int, int>>(100, new Pair<int, int>(200, 300)); | 26 var e = new Pair<int, Pair<int, int>>(100, new Pair<int, int>(200, 300)); |
27 | 27 |
28 Expect.equals(200, cdar1(e)); | 28 Expect.equals(200, cdar1(e)); |
29 Expect.equals(200, cdar2(e)); | 29 Expect.equals(200, cdar2(e)); |
30 } | 30 } |
31 | 31 |
32 test2() { | 32 test2() { |
33 // Closures with nested parameterized types in optional position | 33 // Closures with nested parameterized types in optional position |
34 var cdar1 = ([Pair<int, Pair<int, int>> pr = null]) => pr.snd.fst; | 34 var cdar1 = ([Pair<int, Pair<int, int>> pr = null]) => pr.snd.fst; |
35 var cdar2 = ([Pair<int, Pair<int, int> > pr = null]) => pr.snd.fst; | 35 var cdar2 = ([Pair<int, Pair<int, int>> pr = null]) => pr.snd.fst; |
36 | 36 |
37 var e = new Pair<int, Pair<int, int>>(100, new Pair<int, int>(200, 300)); | 37 var e = new Pair<int, Pair<int, int>>(100, new Pair<int, int>(200, 300)); |
38 | 38 |
39 Expect.equals(200, cdar1(e)); | 39 Expect.equals(200, cdar1(e)); |
40 Expect.equals(200, cdar2(e)); | 40 Expect.equals(200, cdar2(e)); |
41 } | 41 } |
42 | 42 |
43 test3() { | 43 test3() { |
44 // Closures with nested parameterized types. | 44 // Closures with nested parameterized types. |
45 var f1 = (Pair<int, Pair<int, int>> pr) => pr.snd.fst + 1; | 45 var f1 = (Pair<int, Pair<int, int>> pr) => pr.snd.fst + 1; |
46 var f2 = (Pair<int, Pair<int, int> > pr) => pr.snd.fst + 2; | 46 var f2 = (Pair<int, Pair<int, int>> pr) => pr.snd.fst + 2; |
47 | 47 |
48 // Closures with function type with nested parameterized types. | 48 // Closures with function type with nested parameterized types. |
49 var ap1 = (f(Pair<int, Pair<int, int>> pr1), Pair<int, Pair<int, int>> pr) | 49 var ap1 = (f(Pair<int, Pair<int, int>> pr1), Pair<int, Pair<int, int>> pr) => |
50 => f(pr) * 10; | 50 f(pr) * 10; |
51 var ap2 = (f(Pair<int, Pair<int, int> > pr1), Pair<int, Pair<int, int> > pr) | 51 var ap2 = (f(Pair<int, Pair<int, int>> pr1), Pair<int, Pair<int, int>> pr) => |
52 => f(pr) * 100; | 52 f(pr) * 100; |
53 | 53 |
54 var e = new Pair<int, Pair<int, int>>(100, new Pair<int, int>(200, 300)); | 54 var e = new Pair<int, Pair<int, int>>(100, new Pair<int, int>(200, 300)); |
55 | 55 |
56 Expect.equals(2010, ap1(f1, e)); | 56 Expect.equals(2010, ap1(f1, e)); |
57 Expect.equals(2020, ap1(f2, e)); | 57 Expect.equals(2020, ap1(f2, e)); |
58 Expect.equals(20100, ap2(f1, e)); | 58 Expect.equals(20100, ap2(f1, e)); |
59 Expect.equals(20200, ap2(f2, e)); | 59 Expect.equals(20200, ap2(f2, e)); |
60 } | 60 } |
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