| // 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"; |
| import 'dart:collection'; |
| |
| main() { |
| positiveTest(); |
| emptyMapTest(); |
| fewerKeysIterableTest(); |
| fewerValuesIterableTest(); |
| equalElementsTest(); |
| genericTypeTest(); |
| } |
| |
| void positiveTest() { |
| var map = new LinkedHashMap.fromIterables([1, 2, 3], ["one", "two", "three"]); |
| Expect.isTrue(map is Map); |
| Expect.isTrue(map is LinkedHashMap); |
| |
| Expect.equals(3, map.length); |
| Expect.equals(3, map.keys.length); |
| Expect.equals(3, map.values.length); |
| |
| Expect.equals("one", map[1]); |
| Expect.equals("two", map[2]); |
| Expect.equals("three", map[3]); |
| } |
| |
| void emptyMapTest() { |
| var map = new LinkedHashMap.fromIterables([], []); |
| Expect.isTrue(map is Map); |
| Expect.isTrue(map is LinkedHashMap); |
| |
| Expect.equals(0, map.length); |
| Expect.equals(0, map.keys.length); |
| Expect.equals(0, map.values.length); |
| } |
| |
| void fewerValuesIterableTest() { |
| Expect.throws(() => new LinkedHashMap.fromIterables([1,2], [0])); |
| } |
| |
| void fewerKeysIterableTest() { |
| Expect.throws(() => new LinkedHashMap.fromIterables([1], [0,2])); |
| } |
| |
| void equalElementsTest() { |
| var map = new LinkedHashMap.fromIterables([1, 2, 2], ["one", "two", "three"]); |
| Expect.isTrue(map is Map); |
| Expect.isTrue(map is LinkedHashMap); |
| |
| Expect.equals(2, map.length); |
| Expect.equals(2, map.keys.length); |
| Expect.equals(2, map.values.length); |
| |
| Expect.equals("one", map[1]); |
| Expect.equals("three", map[2]); |
| } |
| |
| |
| void genericTypeTest() { |
| var map = new LinkedHashMap<int, String>.fromIterables( |
| [1, 2, 3], ["one", "two", "three"]); |
| Expect.isTrue(map is Map<int, String>); |
| Expect.isTrue(map is LinkedHashMap<int, String>); |
| |
| // Make sure it is not just LinkedHashMap<dynamic, dynamic>. |
| Expect.isFalse(map is LinkedHashMap<String, dynamic>); |
| Expect.isFalse(map is LinkedHashMap<dynamic, int>); |
| |
| Expect.equals(3, map.length); |
| Expect.equals(3, map.keys.length); |
| Expect.equals(3, map.values.length); |
| |
| Expect.equals("one", map[1]); |
| Expect.equals("two", map[2]); |
| Expect.equals("three", map[3]); |
| } |