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Side by Side Diff: tests/corelib_strong/map_keys_test.dart

Issue 2990903002: Migrated test block 16 to Dart 2.0. (Closed)
Patch Set: Changed useIntegerKeys to a named parameter Created 3 years, 4 months ago
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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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