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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 import "package:expect/expect.dart"; | |
6 import 'dart:collection'; | |
7 | |
8 main() { | |
9 defaultFunctionValuesTest(); | |
10 defaultKeyFunctionTest(); | |
11 defaultValueFunctionTest(); | |
12 noDefaultValuesTest(); | |
13 emptyIterableTest(); | |
14 equalElementsTest(); | |
15 genericTypeTest(); | |
16 } | |
17 | |
18 void defaultFunctionValuesTest() { | |
19 var map = new HashMap.fromIterable([1, 2, 3]); | |
20 | |
21 Expect.isTrue(map is Map); | |
22 Expect.isTrue(map is HashMap); | |
23 | |
24 Expect.equals(3, map.length); | |
25 Expect.equals(3, map.keys.length); | |
26 Expect.equals(3, map.values.length); | |
27 | |
28 Expect.equals(1, map[1]); | |
29 Expect.equals(2, map[2]); | |
30 Expect.equals(3, map[3]); | |
31 } | |
32 | |
33 void defaultKeyFunctionTest() { | |
34 var map = new HashMap.fromIterable([1, 2, 3], value: (x) => x + 1); | |
35 | |
36 Expect.isTrue(map is Map); | |
37 Expect.isTrue(map is HashMap); | |
38 | |
39 Expect.equals(3, map.length); | |
40 Expect.equals(3, map.keys.length); | |
41 Expect.equals(3, map.values.length); | |
42 | |
43 Expect.equals(2, map[1]); | |
44 Expect.equals(3, map[2]); | |
45 Expect.equals(4, map[3]); | |
46 } | |
47 | |
48 void defaultValueFunctionTest() { | |
49 var map = new HashMap.fromIterable([1, 2, 3], key: (x) => x + 1); | |
50 | |
51 Expect.isTrue(map is Map); | |
52 Expect.isTrue(map is HashMap); | |
53 | |
54 Expect.equals(3, map.length); | |
55 Expect.equals(3, map.keys.length); | |
56 Expect.equals(3, map.values.length); | |
57 | |
58 Expect.equals(1, map[2]); | |
59 Expect.equals(2, map[3]); | |
60 Expect.equals(3, map[4]); | |
61 } | |
62 | |
63 void noDefaultValuesTest() { | |
64 var map = new HashMap.fromIterable([1, 2, 3], | |
65 key: (x) => x + 1, value: (x) => x - 1); | |
66 | |
67 Expect.isTrue(map is Map); | |
68 Expect.isTrue(map is HashMap); | |
69 | |
70 Expect.equals(3, map.length); | |
71 Expect.equals(3, map.keys.length); | |
72 Expect.equals(3, map.values.length); | |
73 | |
74 Expect.equals(0, map[2]); | |
75 Expect.equals(1, map[3]); | |
76 Expect.equals(2, map[4]); | |
77 } | |
78 | |
79 void emptyIterableTest() { | |
80 var map = new HashMap.fromIterable([]); | |
81 Expect.isTrue(map is Map); | |
82 Expect.isTrue(map is HashMap); | |
83 | |
84 Expect.equals(0, map.length); | |
85 Expect.equals(0, map.keys.length); | |
86 Expect.equals(0, map.values.length); | |
87 } | |
88 | |
89 void equalElementsTest() { | |
90 var map = new HashMap.fromIterable([1, 2, 2], key: (x) => x + 1); | |
91 | |
92 Expect.isTrue(map is Map); | |
93 Expect.isTrue(map is HashMap); | |
94 | |
95 Expect.equals(2, map.length); | |
96 Expect.equals(2, map.keys.length); | |
97 Expect.equals(2, map.values.length); | |
98 | |
99 Expect.equals(1, map[2]); | |
100 Expect.equals(2, map[3]); | |
101 } | |
102 | |
103 void genericTypeTest() { | |
104 var map = new HashMap<String, String>.fromIterable(<int>[1, 2, 3], | |
105 key: (x) => '$x', value: (x) => '$x'); | |
106 Expect.isTrue(map is Map<String, String>); | |
107 | |
108 // Make sure it is not just Map<dynamic, dynamic>. | |
109 Expect.isFalse(map is Map<int, dynamic>); | |
110 Expect.isFalse(map is Map<dynamic, int>); | |
111 } | |
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