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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 positiveTest(); |
| 10 emptyMapTest(); |
| 11 fewerKeysIterableTest(); |
| 12 fewerValuesIterableTest(); |
| 13 equalElementsTest(); |
| 14 genericTypeTest(); |
| 15 } |
| 16 |
| 17 void positiveTest() { |
| 18 var map = new Map.fromIterables([1, 2, 3], ["one", "two", "three"]); |
| 19 Expect.isTrue(map is Map); |
| 20 Expect.isTrue(map is LinkedHashMap); |
| 21 |
| 22 Expect.equals(3, map.length); |
| 23 Expect.equals(3, map.keys.length); |
| 24 Expect.equals(3, map.values.length); |
| 25 |
| 26 Expect.equals("one", map[1]); |
| 27 Expect.equals("two", map[2]); |
| 28 Expect.equals("three", map[3]); |
| 29 } |
| 30 |
| 31 void emptyMapTest() { |
| 32 var map = new Map.fromIterables([], []); |
| 33 Expect.isTrue(map is Map); |
| 34 Expect.isTrue(map is LinkedHashMap); |
| 35 |
| 36 Expect.equals(0, map.length); |
| 37 Expect.equals(0, map.keys.length); |
| 38 Expect.equals(0, map.values.length); |
| 39 } |
| 40 |
| 41 void fewerValuesIterableTest() { |
| 42 Expect.throws(() => new Map.fromIterables([1,2], [0])); |
| 43 } |
| 44 |
| 45 void fewerKeysIterableTest() { |
| 46 Expect.throws(() => new Map.fromIterables([1], [0,2])); |
| 47 } |
| 48 |
| 49 void equalElementsTest() { |
| 50 var map = new Map.fromIterables([1, 2, 2], ["one", "two", "three"]); |
| 51 Expect.isTrue(map is Map); |
| 52 Expect.isTrue(map is LinkedHashMap); |
| 53 |
| 54 Expect.equals(2, map.length); |
| 55 Expect.equals(2, map.keys.length); |
| 56 Expect.equals(2, map.values.length); |
| 57 |
| 58 Expect.equals("one", map[1]); |
| 59 Expect.equals("three", map[2]); |
| 60 } |
| 61 |
| 62 |
| 63 void genericTypeTest() { |
| 64 var map = new Map<int, String>.fromIterables( |
| 65 [1, 2, 3], ["one", "two", "three"]); |
| 66 Expect.isTrue(map is Map<int, String>); |
| 67 |
| 68 // Make sure it is not just Map<dynamic, dynamic>. |
| 69 Expect.isFalse(map is Map<String, dynamic>); |
| 70 Expect.isFalse(map is Map<dynamic, int>); |
| 71 |
| 72 Expect.equals(3, map.length); |
| 73 Expect.equals(3, map.keys.length); |
| 74 Expect.equals(3, map.values.length); |
| 75 |
| 76 Expect.equals("one", map[1]); |
| 77 Expect.equals("two", map[2]); |
| 78 Expect.equals("three", map[3]); |
| 79 } |
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