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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 | |
7 main() { | |
8 var map1 = {"foo": 42, "bar": 499}; | |
9 var map2 = {}; | |
10 var map3 = const {"foo": 42, "bar": 499}; | |
11 var map4 = const {}; | |
12 var map5 = new Map<String, int>(); | |
13 map5["foo"] = 43; | |
14 map5["bar"] = 500; | |
15 var map6 = new Map<String, bool>(); | |
16 | |
17 Expect.isTrue(map1.keys is Iterable); | |
18 Expect.isFalse(map1.keys is List); | |
19 Expect.equals(2, map1.keys.length); | |
20 Expect.equals("foo", map1.keys.first); | |
21 Expect.equals("bar", map1.keys.last); | |
22 | |
23 Expect.isTrue(map2.keys is Iterable); | |
24 Expect.isFalse(map2.keys is List); | |
25 Expect.equals(0, map2.keys.length); | |
26 | |
27 Expect.isTrue(map3.keys is Iterable); | |
28 Expect.isFalse(map3.keys is List); | |
29 Expect.equals(2, map3.keys.length); | |
30 Expect.equals("foo", map3.keys.first); | |
31 Expect.equals("bar", map3.keys.last); | |
32 | |
33 Expect.isTrue(map4.keys is Iterable); | |
34 Expect.isFalse(map4.keys is List); | |
35 Expect.equals(0, map4.keys.length); | |
36 | |
37 Expect.isTrue(map5.keys is Iterable); | |
38 Expect.isFalse(map5.keys is List); | |
39 Expect.equals(2, map5.keys.length); | |
40 Expect.isTrue(map5.keys.first == "foo" || map5.keys.first == "bar"); | |
41 Expect.isTrue(map5.keys.last == "foo" || map5.keys.last == "bar"); | |
42 Expect.notEquals(map5.keys.first, map5.keys.last); | |
43 | |
44 Expect.isTrue(map6.keys is Iterable); | |
45 Expect.isFalse(map6.keys is List); | |
46 Expect.equals(0, map6.keys.length); | |
47 } | |
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