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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 main() { | 5 main() { |
6 testWithConstMap(); | 6 testWithConstMap(); |
7 testWithNonConstMap(); | 7 testWithNonConstMap(); |
8 testWithLinkedMap(); | 8 testWithLinkedMap(); |
9 } | 9 } |
10 | 10 |
11 testWithConstMap() { | 11 testWithConstMap() { |
12 var map = const { 'b': 42, 'a': 43 }; | 12 var map = const { 'b': 42, 'a': 43 }; |
13 var otherMap = new Map.from(map); | 13 var otherMap = new Map.from(map); |
14 Expect.isTrue(otherMap is Map); | 14 Expect.isTrue(otherMap is Map); |
15 Expect.isTrue(otherMap is HashMap); | 15 Expect.isTrue(otherMap is HashMap); |
16 Expect.isTrue(otherMap is !LinkedHashMap); | 16 Expect.isTrue(otherMap is !LinkedHashMap); |
17 | 17 |
18 Expect.equals(2, otherMap.length); | 18 Expect.equals(2, otherMap.length); |
19 Expect.equals(2, otherMap.getKeys().length); | 19 Expect.equals(2, otherMap.keys.length); |
20 Expect.equals(2, otherMap.getValues().length); | 20 Expect.equals(2, otherMap.values.length); |
21 | 21 |
22 var count = (map) { | 22 var count = (map) { |
23 int count = 0; | 23 int count = 0; |
24 map.forEach((a, b) { count += b; }); | 24 map.forEach((a, b) { count += b; }); |
25 return count; | 25 return count; |
26 }; | 26 }; |
27 | 27 |
28 Expect.equals(42 + 43, count(map)); | 28 Expect.equals(42 + 43, count(map)); |
29 Expect.equals(count(map), count(otherMap)); | 29 Expect.equals(count(map), count(otherMap)); |
30 } | 30 } |
31 | 31 |
32 testWithNonConstMap() { | 32 testWithNonConstMap() { |
33 var map = { 'b': 42, 'a': 43 }; | 33 var map = { 'b': 42, 'a': 43 }; |
34 var otherMap = new Map.from(map); | 34 var otherMap = new Map.from(map); |
35 Expect.isTrue(otherMap is Map); | 35 Expect.isTrue(otherMap is Map); |
36 Expect.isTrue(otherMap is HashMap); | 36 Expect.isTrue(otherMap is HashMap); |
37 Expect.isTrue(otherMap is !LinkedHashMap); | 37 Expect.isTrue(otherMap is !LinkedHashMap); |
38 | 38 |
39 Expect.equals(2, otherMap.length); | 39 Expect.equals(2, otherMap.length); |
40 Expect.equals(2, otherMap.getKeys().length); | 40 Expect.equals(2, otherMap.keys.length); |
41 Expect.equals(2, otherMap.getValues().length); | 41 Expect.equals(2, otherMap.values.length); |
42 | 42 |
43 int count(map) { | 43 int count(map) { |
44 int count = 0; | 44 int count = 0; |
45 map.forEach((a, b) { count += b; }); | 45 map.forEach((a, b) { count += b; }); |
46 return count; | 46 return count; |
47 }; | 47 }; |
48 | 48 |
49 Expect.equals(42 + 43, count(map)); | 49 Expect.equals(42 + 43, count(map)); |
50 Expect.equals(count(map), count(otherMap)); | 50 Expect.equals(count(map), count(otherMap)); |
51 | 51 |
52 // Test that adding to the original map does not change otherMap. | 52 // Test that adding to the original map does not change otherMap. |
53 map['c'] = 44; | 53 map['c'] = 44; |
54 Expect.equals(3, map.length); | 54 Expect.equals(3, map.length); |
55 Expect.equals(2, otherMap.length); | 55 Expect.equals(2, otherMap.length); |
56 Expect.equals(2, otherMap.getKeys().length); | 56 Expect.equals(2, otherMap.keys.length); |
57 Expect.equals(2, otherMap.getValues().length); | 57 Expect.equals(2, otherMap.values.length); |
58 | 58 |
59 // Test that adding to otherMap does not change the original map. | 59 // Test that adding to otherMap does not change the original map. |
60 otherMap['c'] = 44; | 60 otherMap['c'] = 44; |
61 Expect.equals(3, map.length); | 61 Expect.equals(3, map.length); |
62 Expect.equals(3, otherMap.length); | 62 Expect.equals(3, otherMap.length); |
63 Expect.equals(3, otherMap.getKeys().length); | 63 Expect.equals(3, otherMap.keys.length); |
64 Expect.equals(3, otherMap.getValues().length); | 64 Expect.equals(3, otherMap.values.length); |
65 } | 65 } |
66 | 66 |
67 testWithLinkedMap() { | 67 testWithLinkedMap() { |
68 var map = const { 'b': 1, 'a': 2, 'c': 3 }; | 68 var map = const { 'b': 1, 'a': 2, 'c': 3 }; |
69 var otherMap = new LinkedHashMap.from(map); | 69 var otherMap = new LinkedHashMap.from(map); |
70 Expect.isTrue(otherMap is Map); | 70 Expect.isTrue(otherMap is Map); |
71 Expect.isTrue(otherMap is HashMap); | 71 Expect.isTrue(otherMap is HashMap); |
72 Expect.isTrue(otherMap is LinkedHashMap); | 72 Expect.isTrue(otherMap is LinkedHashMap); |
73 var i = 1; | 73 var i = 1; |
74 for (var val in map.getValues()) { | 74 for (var val in map.values) { |
75 Expect.equals(i++, val); | 75 Expect.equals(i++, val); |
76 } | 76 } |
77 } | 77 } |
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