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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 #library("QueueTest.dart"); | |
| 6 #import("dart:coreimpl"); | |
| 7 | |
| 8 class QueueTest { | |
| 9 | |
| 10 static testMain() { | |
| 11 Queue queue = new Queue(); | |
| 12 checkQueue(queue, 0, 0); | |
| 13 | |
| 14 queue.addFirst(1); | |
| 15 checkQueue(queue, 1, 1); | |
| 16 | |
| 17 queue.addLast(10); | |
| 18 checkQueue(queue, 2, 11); | |
| 19 | |
| 20 Expect.equals(10, queue.removeLast()); | |
| 21 checkQueue(queue, 1, 1); | |
| 22 | |
| 23 queue.addLast(10); | |
| 24 Expect.equals(1, queue.removeFirst()); | |
| 25 checkQueue(queue, 1, 10); | |
| 26 | |
| 27 queue.addFirst(1); | |
| 28 queue.addLast(100); | |
| 29 queue.addLast(1000); | |
| 30 Expect.equals(1000, queue.removeLast()); | |
| 31 queue.addLast(1000); | |
| 32 checkQueue(queue, 4, 1111); | |
| 33 | |
| 34 queue.removeFirst(); | |
| 35 checkQueue(queue, 3, 1110); | |
| 36 | |
| 37 int mapTest(int value) { | |
| 38 return value ~/ 10; | |
| 39 } | |
| 40 | |
| 41 bool is10(int value) { | |
| 42 return (value == 10); | |
| 43 } | |
| 44 | |
| 45 Queue mapped = queue.map(mapTest); | |
| 46 checkQueue(mapped, 3, 111); | |
| 47 checkQueue(queue, 3, 1110); | |
| 48 Expect.equals(1, mapped.removeFirst()); | |
| 49 Expect.equals(100, mapped.removeLast()); | |
| 50 Expect.equals(10, mapped.removeFirst()); | |
| 51 | |
| 52 Queue other = queue.filter(is10); | |
| 53 checkQueue(other, 1, 10); | |
| 54 | |
| 55 Expect.equals(true, queue.some(is10)); | |
| 56 | |
| 57 bool isInstanceOfInt(int value) { | |
| 58 return (value is int); | |
| 59 } | |
| 60 | |
| 61 Expect.equals(true, queue.every(isInstanceOfInt)); | |
| 62 | |
| 63 Expect.equals(false, queue.every(is10)); | |
| 64 | |
| 65 bool is1(int value) { | |
| 66 return (value == 1); | |
| 67 } | |
| 68 Expect.equals(false, queue.some(is1)); | |
| 69 | |
| 70 queue.clear(); | |
| 71 Expect.equals(0, queue.length); | |
| 72 | |
| 73 var exception = null; | |
| 74 try { | |
| 75 queue.removeFirst(); | |
| 76 } catch (EmptyQueueException e) { | |
| 77 exception = e; | |
| 78 } | |
| 79 Expect.equals(true, exception != null); | |
| 80 Expect.equals(0, queue.length); | |
| 81 | |
| 82 exception = null; | |
| 83 try { | |
| 84 queue.removeLast(); | |
| 85 } catch (EmptyQueueException e) { | |
| 86 exception = e; | |
| 87 } | |
| 88 Expect.equals(true, exception != null); | |
| 89 Expect.equals(0, queue.length); | |
| 90 | |
| 91 queue.addFirst(1); | |
| 92 queue.addFirst(2); | |
| 93 Expect.equals(2, queue.first()); | |
| 94 Expect.equals(1, queue.last()); | |
| 95 | |
| 96 queue.addLast(3); | |
| 97 Expect.equals(3, queue.last()); | |
| 98 bool isGreaterThanOne(int value) { | |
| 99 return (value > 1); | |
| 100 } | |
| 101 | |
| 102 other = queue.filter(isGreaterThanOne); | |
| 103 checkQueue(other, 2, 5); | |
| 104 | |
| 105 testAddAll(); | |
| 106 } | |
| 107 | |
| 108 static void checkQueue(Queue queue, int expectedSize, int expectedSum) { | |
| 109 Expect.equals(expectedSize, queue.length); | |
| 110 int sum = 0; | |
| 111 void sumElements(int value) { | |
| 112 sum += value; | |
| 113 } | |
| 114 queue.forEach(sumElements); | |
| 115 Expect.equals(expectedSum, sum); | |
| 116 } | |
| 117 | |
| 118 static testAddAll() { | |
| 119 Set<int> set = new Set<int>.from([1, 2, 4]); | |
| 120 | |
| 121 Queue<int> queue1 = new Queue<int>.from(set); | |
| 122 Queue<int> queue2 = new Queue<int>(); | |
| 123 Queue<int> queue3 = new Queue<int>(); | |
| 124 | |
| 125 queue2.addAll(set); | |
| 126 queue3.addAll(queue1); | |
| 127 | |
| 128 Expect.equals(3, set.length); | |
| 129 Expect.equals(3, queue1.length); | |
| 130 Expect.equals(3, queue2.length); | |
| 131 Expect.equals(3, queue3.length); | |
| 132 | |
| 133 int sum = 0; | |
| 134 void f(e) { sum += e; }; | |
| 135 | |
| 136 set.forEach(f); | |
| 137 Expect.equals(7, sum); | |
| 138 sum = 0; | |
| 139 | |
| 140 queue1.forEach(f); | |
| 141 Expect.equals(7, sum); | |
| 142 sum = 0; | |
| 143 | |
| 144 queue2.forEach(f); | |
| 145 Expect.equals(7, sum); | |
| 146 sum = 0; | |
| 147 | |
| 148 queue3.forEach(f); | |
| 149 Expect.equals(7, sum); | |
| 150 sum = 0; | |
| 151 | |
| 152 set = new Set<int>.from([]); | |
| 153 queue1 = new Queue<int>.from(set); | |
| 154 queue2 = new Queue<int>(); | |
| 155 queue3 = new Queue<int>(); | |
| 156 | |
| 157 queue2.addAll(set); | |
| 158 queue3.addAll(queue1); | |
| 159 | |
| 160 Expect.equals(0, set.length); | |
| 161 Expect.equals(0, queue1.length); | |
| 162 Expect.equals(0, queue2.length); | |
| 163 Expect.equals(0, queue3.length); | |
| 164 | |
| 165 testQueueElements(); | |
| 166 } | |
| 167 | |
| 168 static testQueueElements() { | |
| 169 DoubleLinkedQueue<int> queue1 = new DoubleLinkedQueue<int>.from([1, 2, 4]); | |
| 170 DoubleLinkedQueue<int> queue2 = new DoubleLinkedQueue<int>(); | |
| 171 queue2.addAll(queue1); | |
| 172 | |
| 173 Expect.equals(queue1.length, queue2.length); | |
| 174 DoubleLinkedQueueEntry<int> entry1 = queue1.firstEntry(); | |
| 175 DoubleLinkedQueueEntry<int> entry2 = queue2.firstEntry(); | |
| 176 while (entry1 != null) { | |
| 177 Expect.equals(true, entry1 !== entry2); | |
| 178 entry1 = entry1.nextEntry(); | |
| 179 entry2 = entry2.nextEntry(); | |
| 180 } | |
| 181 Expect.equals(null, entry2); | |
| 182 } | |
| 183 } | |
| 184 | |
| 185 main() { | |
| 186 QueueTest.testMain(); | |
| 187 } | |
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