| // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| import "package:expect/expect.dart"; |
| |
| main() { |
| var map1 = { "foo": 42, "bar": 499 }; |
| var map2 = {}; |
| var map3 = const { "foo": 42, "bar": 499 }; |
| var map4 = const {}; |
| var map5 = new Map<String, int>(); |
| map5["foo"] = 43; |
| map5["bar"] = 500; |
| var map6 = new Map<String, bool>(); |
| |
| Expect.isTrue(map1.keys is Iterable); |
| Expect.isFalse(map1.keys is List); |
| Expect.equals(2, map1.keys.length); |
| Expect.equals("foo", map1.keys.first); |
| Expect.equals("bar", map1.keys.last); |
| |
| Expect.isTrue(map2.keys is Iterable); |
| Expect.isFalse(map2.keys is List); |
| Expect.equals(0, map2.keys.length); |
| |
| Expect.isTrue(map3.keys is Iterable); |
| Expect.isFalse(map3.keys is List); |
| Expect.equals(2, map3.keys.length); |
| Expect.equals("foo", map3.keys.first); |
| Expect.equals("bar", map3.keys.last); |
| |
| Expect.isTrue(map4.keys is Iterable); |
| Expect.isFalse(map4.keys is List); |
| Expect.equals(0, map4.keys.length); |
| |
| Expect.isTrue(map5.keys is Iterable); |
| Expect.isFalse(map5.keys is List); |
| Expect.equals(2, map5.keys.length); |
| Expect.isTrue(map5.keys.first == "foo" || map5.keys.first == "bar"); |
| Expect.isTrue(map5.keys.last == "foo" || map5.keys.last == "bar"); |
| Expect.notEquals(map5.keys.first, map5.keys.last); |
| |
| Expect.isTrue(map6.keys is Iterable); |
| Expect.isFalse(map6.keys is List); |
| Expect.equals(0, map6.keys.length); |
| } |