| // 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. |
| |
| library maps_test; |
| |
| import "package:expect/expect.dart"; |
| import 'dart:collection'; |
| |
| main() { |
| final key1 = "key1"; |
| final key2 = "key2"; |
| final key3 = "key3"; |
| final key4 = "key4"; |
| final key5 = "key5"; |
| final key6 = "key6"; |
| final key7 = "key7"; |
| final key8 = "key8"; |
| |
| final value1 = 10; |
| final value2 = 20; |
| final value3 = 30; |
| final value4 = 40; |
| final value5 = 50; |
| final value6 = 60; |
| final value7 = 70; |
| final value8 = 80; |
| |
| Map map = new Map(); |
| |
| map[key1] = value1; |
| map[key1] = value2; |
| Expect.equals(false, Maps.containsKey(map, key2)); |
| Expect.equals(1, Maps.length(map)); |
| |
| map[key1] = value1; |
| // Add enough entries to make sure the table grows. |
| map[key2] = value2; |
| Expect.equals(2, Maps.length(map)); |
| map[key3] = value3; |
| map[key4] = value4; |
| map[key5] = value5; |
| map[key6] = value6; |
| map[key7] = value7; |
| map[key8] = value8; |
| Expect.equals(8, Maps.length(map)); |
| |
| map.remove(key4); |
| Expect.equals(false, Maps.containsKey(map, key4)); |
| Expect.equals(7, Maps.length(map)); |
| |
| // Test clearing the table. |
| Maps.clear(map); |
| Expect.equals(0, Maps.length(map)); |
| Expect.equals(false, Maps.containsKey(map, key1)); |
| Expect.equals(false, map.containsKey(key1)); |
| Expect.equals(false, Maps.containsKey(map, key2)); |
| Expect.equals(false, map.containsKey(key2)); |
| Expect.equals(false, Maps.containsKey(map, key3)); |
| Expect.equals(false, map.containsKey(key3)); |
| Expect.equals(false, Maps.containsKey(map, key4)); |
| Expect.equals(false, map.containsKey(key4)); |
| Expect.equals(false, Maps.containsKey(map, key5)); |
| Expect.equals(false, map.containsKey(key5)); |
| Expect.equals(false, Maps.containsKey(map, key6)); |
| Expect.equals(false, map.containsKey(key6)); |
| Expect.equals(false, Maps.containsKey(map, key7)); |
| Expect.equals(false, map.containsKey(key7)); |
| Expect.equals(false, Maps.containsKey(map, key8)); |
| Expect.equals(false, map.containsKey(key8)); |
| |
| // Test adding and removing again. |
| map[key1] = value1; |
| Expect.equals(1, Maps.length(map)); |
| map[key2] = value2; |
| Expect.equals(2, Maps.length(map)); |
| map[key3] = value3; |
| map.remove(key3); |
| Expect.equals(2, Maps.length(map)); |
| map[key4] = value4; |
| map.remove(key4); |
| Expect.equals(2, Maps.length(map)); |
| map[key5] = value5; |
| map.remove(key5); |
| Expect.equals(2, Maps.length(map)); |
| map[key6] = value6; |
| map.remove(key6); |
| Expect.equals(2, Maps.length(map)); |
| map[key7] = value7; |
| map.remove(key7); |
| Expect.equals(2, Maps.length(map)); |
| map[key8] = value8; |
| map.remove(key8); |
| Expect.equals(2, Maps.length(map)); |
| |
| Expect.equals(true, Maps.containsKey(map, key1)); |
| Expect.equals(true, Maps.containsValue(map, value1)); |
| |
| // Test Map.forEach. |
| Map other_map = new Map(); |
| void testForEachMap(key, value) { |
| other_map[key] = value; |
| } |
| |
| Maps.forEach(map, testForEachMap); |
| Expect.equals(true, other_map.containsKey(key1)); |
| Expect.equals(true, other_map.containsKey(key2)); |
| Expect.equals(true, other_map.containsValue(value1)); |
| Expect.equals(true, other_map.containsValue(value2)); |
| Expect.equals(2, Maps.length(other_map)); |
| |
| // Test Collection.values. |
| void testForEachCollection(value) { |
| other_map[value] = value; |
| } |
| |
| Iterable values = Maps.getValues(map); |
| other_map = new Map(); |
| values.forEach(testForEachCollection); |
| Expect.equals(true, !other_map.containsKey(key1)); |
| Expect.equals(true, !other_map.containsKey(key2)); |
| Expect.equals(true, !other_map.containsValue(key1)); |
| Expect.equals(true, !other_map.containsValue(key2)); |
| Expect.equals(true, other_map.containsKey(value1)); |
| Expect.equals(true, other_map.containsKey(value2)); |
| Expect.equals(true, other_map.containsValue(value1)); |
| Expect.equals(true, other_map.containsValue(value2)); |
| Expect.equals(2, other_map.length); |
| other_map.clear(); |
| |
| // Test Map.putIfAbsent. |
| map.clear(); |
| Expect.equals(false, Maps.containsKey(map, key1)); |
| Maps.putIfAbsent(map, key1, () => 10); |
| Expect.equals(true, map.containsKey(key1)); |
| Expect.equals(10, map[key1]); |
| Expect.equals(10, Maps.putIfAbsent(map, key1, () => 11)); |
| } |