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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 json_map_test; | |
| 6 | |
| 7 import "package:expect/expect.dart"; | |
| 8 import 'dart:convert' show JSON; | |
| 9 import 'dart:collection' show LinkedHashMap, HashMap; | |
| 10 | |
| 11 bool useReviver = false; | |
| 12 Map jsonify(Map map) { | |
| 13 String encoded = JSON.encode(map); | |
| 14 return useReviver | |
| 15 ? JSON.decode(encoded, reviver: (key, value) => value) | |
| 16 : JSON.decode(encoded); | |
| 17 } | |
| 18 | |
| 19 List listEach(Map map) { | |
| 20 var result = []; | |
| 21 map.forEach((String key, value) { | |
| 22 result.add(key); | |
| 23 result.add(value); | |
| 24 }); | |
| 25 return result; | |
| 26 } | |
| 27 | |
| 28 void main() { | |
| 29 test(false); | |
| 30 test(true); | |
| 31 } | |
| 32 | |
| 33 void test(bool revive) { | |
| 34 useReviver = revive; | |
| 35 testEmpty(jsonify({})); | |
| 36 testAtoB(jsonify({'a': 'b'})); | |
| 37 | |
| 38 Map map = jsonify({}); | |
| 39 map['a'] = 'b'; | |
| 40 testAtoB(map); | |
| 41 | |
| 42 map = jsonify({}); | |
| 43 Expect.equals('b', map.putIfAbsent('a', () => 'b')); | |
| 44 testAtoB(map); | |
| 45 | |
| 46 map = jsonify({}); | |
| 47 map.addAll({'a': 'b'}); | |
| 48 testAtoB(map); | |
| 49 | |
| 50 testOrder(['a', 'b', 'c', 'd', 'e', 'f']); | |
| 51 | |
| 52 testProto(); | |
| 53 testToString(); | |
| 54 testConcurrentModifications(); | |
| 55 testType(); | |
| 56 testClear(); | |
| 57 | |
| 58 testListEntry(); | |
| 59 testMutation(); | |
| 60 } | |
| 61 | |
| 62 void testEmpty(Map map) { | |
| 63 for (int i = 0; i < 2; i++) { | |
| 64 Expect.equals(0, map.length); | |
| 65 Expect.isTrue(map.isEmpty); | |
| 66 Expect.isFalse(map.isNotEmpty); | |
| 67 Expect.listEquals([], map.keys.toList()); | |
| 68 Expect.listEquals([], map.values.toList()); | |
| 69 Expect.isNull(map['a']); | |
| 70 Expect.listEquals([], listEach(map)); | |
| 71 Expect.isFalse(map.containsKey('a')); | |
| 72 Expect.isFalse(map.containsValue('a')); | |
| 73 Expect.isNull(map.remove('a')); | |
| 74 testLookupNonExistingKeys(map); | |
| 75 testLookupNonExistingValues(map); | |
| 76 map.clear(); | |
| 77 } | |
| 78 } | |
| 79 | |
| 80 void testAtoB(Map map) { | |
| 81 Expect.equals(1, map.length); | |
| 82 Expect.isFalse(map.isEmpty); | |
| 83 Expect.isTrue(map.isNotEmpty); | |
| 84 Expect.listEquals(['a'], map.keys.toList()); | |
| 85 Expect.listEquals(['b'], map.values.toList()); | |
| 86 Expect.equals('b', map['a']); | |
| 87 Expect.listEquals(['a', 'b'], listEach(map)); | |
| 88 Expect.isTrue(map.containsKey('a')); | |
| 89 Expect.isFalse(map.containsKey('b')); | |
| 90 Expect.isTrue(map.containsValue('b')); | |
| 91 Expect.isFalse(map.containsValue('a')); | |
| 92 | |
| 93 testLookupNonExistingKeys(map); | |
| 94 testLookupNonExistingValues(map); | |
| 95 Expect.equals('b', map.remove('a')); | |
| 96 Expect.isNull(map.remove('b')); | |
| 97 testLookupNonExistingKeys(map); | |
| 98 testLookupNonExistingValues(map); | |
| 99 | |
| 100 map.clear(); | |
| 101 testEmpty(map); | |
| 102 } | |
| 103 | |
| 104 void testLookupNonExistingKeys(Map map) { | |
| 105 for (String key in ['__proto__', 'null', null]) { | |
| 106 Expect.isNull(map[key]); | |
| 107 Expect.isFalse(map.containsKey(key)); | |
| 108 } | |
| 109 } | |
| 110 | |
| 111 void testLookupNonExistingValues(Map map) { | |
| 112 for (var value in ['__proto__', 'null', null]) { | |
| 113 Expect.isFalse(map.containsValue(value)); | |
| 114 } | |
| 115 } | |
| 116 | |
| 117 void testOrder(List list) { | |
| 118 if (list.isEmpty) | |
| 119 return; | |
| 120 else | |
| 121 testOrder(list.skip(1).toList()); | |
| 122 | |
| 123 Map original = {}; | |
| 124 for (int i = 0; i < list.length; i++) { | |
| 125 original[list[i]] = i; | |
| 126 } | |
| 127 | |
| 128 Map map = jsonify(original); | |
| 129 Expect.equals(list.length, map.length); | |
| 130 Expect.listEquals(list, map.keys.toList()); | |
| 131 | |
| 132 for (int i = 0; i < 10; i++) { | |
| 133 map["$i"] = i; | |
| 134 Expect.equals(list.length + i + 1, map.length); | |
| 135 Expect.listEquals(list, map.keys.take(list.length).toList()); | |
| 136 } | |
| 137 } | |
| 138 | |
| 139 void testProto() { | |
| 140 Map map = jsonify({'__proto__': 0}); | |
| 141 Expect.equals(1, map.length); | |
| 142 Expect.isTrue(map.containsKey('__proto__')); | |
| 143 Expect.listEquals(['__proto__'], map.keys.toList()); | |
| 144 Expect.equals(0, map['__proto__']); | |
| 145 Expect.equals(0, map.remove('__proto__')); | |
| 146 testEmpty(map); | |
| 147 | |
| 148 map = jsonify({'__proto__': null}); | |
| 149 Expect.equals(1, map.length); | |
| 150 Expect.isTrue(map.containsKey('__proto__')); | |
| 151 Expect.listEquals(['__proto__'], map.keys.toList()); | |
| 152 Expect.isNull(map['__proto__']); | |
| 153 Expect.isNull(map.remove('__proto__')); | |
| 154 testEmpty(map); | |
| 155 } | |
| 156 | |
| 157 void testToString() { | |
| 158 Expect.equals("{}", jsonify({}).toString()); | |
| 159 Expect.equals("{a: 0}", jsonify({'a': 0}).toString()); | |
| 160 } | |
| 161 | |
| 162 void testConcurrentModifications() { | |
| 163 void testIterate(Map map, Iterable iterable, Function f) { | |
| 164 Iterator iterator = iterable.iterator; | |
| 165 f(map); | |
| 166 iterator.moveNext(); | |
| 167 } | |
| 168 | |
| 169 void testKeys(Map map, Function f) => testIterate(map, map.keys, f); | |
| 170 void testValues(Map map, Function f) => testIterate(map, map.values, f); | |
| 171 | |
| 172 void testForEach(Map map, Function f) { | |
| 173 map.forEach((key, value) { | |
| 174 f(map); | |
| 175 }); | |
| 176 } | |
| 177 | |
| 178 bool throwsCME(Function f) { | |
| 179 try { | |
| 180 f(); | |
| 181 } on ConcurrentModificationError catch (e) { | |
| 182 return true; | |
| 183 } catch (e) { | |
| 184 return false; | |
| 185 } | |
| 186 return false; | |
| 187 } | |
| 188 | |
| 189 Map map = {}; | |
| 190 Expect.isTrue(throwsCME(() => testKeys(jsonify(map), (map) => map['a'] = 0))); | |
| 191 Expect | |
| 192 .isTrue(throwsCME(() => testValues(jsonify(map), (map) => map['a'] = 0))); | |
| 193 Expect.isFalse( | |
| 194 throwsCME(() => testForEach(jsonify(map), (map) => map['a'] = 0))); | |
| 195 | |
| 196 Expect.isFalse(throwsCME(() => testKeys(jsonify(map), (map) => map.clear()))); | |
| 197 Expect | |
| 198 .isFalse(throwsCME(() => testValues(jsonify(map), (map) => map.clear()))); | |
| 199 Expect.isFalse( | |
| 200 throwsCME(() => testForEach(jsonify(map), (map) => map.clear()))); | |
| 201 | |
| 202 Expect.isFalse( | |
| 203 throwsCME(() => testKeys(jsonify(map), (map) => map.remove('a')))); | |
| 204 Expect.isFalse( | |
| 205 throwsCME(() => testValues(jsonify(map), (map) => map.remove('a')))); | |
| 206 Expect.isFalse( | |
| 207 throwsCME(() => testForEach(jsonify(map), (map) => map.remove('a')))); | |
| 208 | |
| 209 Expect.isTrue(throwsCME( | |
| 210 () => testKeys(jsonify(map), (map) => map.putIfAbsent('a', () => 0)))); | |
| 211 Expect.isTrue(throwsCME( | |
| 212 () => testValues(jsonify(map), (map) => map.putIfAbsent('a', () => 0)))); | |
| 213 Expect.isFalse(throwsCME( | |
| 214 () => testForEach(jsonify(map), (map) => map.putIfAbsent('a', () => 0)))); | |
| 215 | |
| 216 Expect.isFalse( | |
| 217 throwsCME(() => testKeys(jsonify(map), (map) => map.addAll({})))); | |
| 218 Expect.isFalse( | |
| 219 throwsCME(() => testValues(jsonify(map), (map) => map.addAll({})))); | |
| 220 Expect.isFalse( | |
| 221 throwsCME(() => testForEach(jsonify(map), (map) => map.addAll({})))); | |
| 222 | |
| 223 Expect.isTrue( | |
| 224 throwsCME(() => testKeys(jsonify(map), (map) => map.addAll({'a': 0})))); | |
| 225 Expect.isTrue( | |
| 226 throwsCME(() => testValues(jsonify(map), (map) => map.addAll({'a': 0})))); | |
| 227 Expect.isFalse(throwsCME( | |
| 228 () => testForEach(jsonify(map), (map) => map.addAll({'a': 0})))); | |
| 229 | |
| 230 map = {'a': 1}; | |
| 231 Expect | |
| 232 .isFalse(throwsCME(() => testKeys(jsonify(map), (map) => map['a'] = 0))); | |
| 233 Expect.isFalse( | |
| 234 throwsCME(() => testValues(jsonify(map), (map) => map['a'] = 0))); | |
| 235 Expect.isFalse( | |
| 236 throwsCME(() => testForEach(jsonify(map), (map) => map['a'] = 0))); | |
| 237 | |
| 238 Expect.isTrue(throwsCME(() => testKeys(jsonify(map), (map) => map['b'] = 0))); | |
| 239 Expect | |
| 240 .isTrue(throwsCME(() => testValues(jsonify(map), (map) => map['b'] = 0))); | |
| 241 Expect.isTrue( | |
| 242 throwsCME(() => testForEach(jsonify(map), (map) => map['b'] = 0))); | |
| 243 | |
| 244 Expect.isTrue(throwsCME(() => testKeys(jsonify(map), (map) => map.clear()))); | |
| 245 Expect | |
| 246 .isTrue(throwsCME(() => testValues(jsonify(map), (map) => map.clear()))); | |
| 247 Expect | |
| 248 .isTrue(throwsCME(() => testForEach(jsonify(map), (map) => map.clear()))); | |
| 249 | |
| 250 Expect.isTrue( | |
| 251 throwsCME(() => testKeys(jsonify(map), (map) => map.remove('a')))); | |
| 252 Expect.isTrue( | |
| 253 throwsCME(() => testValues(jsonify(map), (map) => map.remove('a')))); | |
| 254 Expect.isTrue( | |
| 255 throwsCME(() => testForEach(jsonify(map), (map) => map.remove('a')))); | |
| 256 | |
| 257 Expect.isFalse( | |
| 258 throwsCME(() => testKeys(jsonify(map), (map) => map.remove('b')))); | |
| 259 Expect.isFalse( | |
| 260 throwsCME(() => testValues(jsonify(map), (map) => map.remove('b')))); | |
| 261 Expect.isFalse( | |
| 262 throwsCME(() => testForEach(jsonify(map), (map) => map.remove('b')))); | |
| 263 | |
| 264 Expect.isFalse(throwsCME( | |
| 265 () => testKeys(jsonify(map), (map) => map.putIfAbsent('a', () => 0)))); | |
| 266 Expect.isFalse(throwsCME( | |
| 267 () => testValues(jsonify(map), (map) => map.putIfAbsent('a', () => 0)))); | |
| 268 Expect.isFalse(throwsCME( | |
| 269 () => testForEach(jsonify(map), (map) => map.putIfAbsent('a', () => 0)))); | |
| 270 | |
| 271 Expect.isTrue(throwsCME( | |
| 272 () => testKeys(jsonify(map), (map) => map.putIfAbsent('b', () => 0)))); | |
| 273 Expect.isTrue(throwsCME( | |
| 274 () => testValues(jsonify(map), (map) => map.putIfAbsent('b', () => 0)))); | |
| 275 Expect.isTrue(throwsCME( | |
| 276 () => testForEach(jsonify(map), (map) => map.putIfAbsent('b', () => 0)))); | |
| 277 | |
| 278 Expect.isFalse( | |
| 279 throwsCME(() => testKeys(jsonify(map), (map) => map.addAll({})))); | |
| 280 Expect.isFalse( | |
| 281 throwsCME(() => testValues(jsonify(map), (map) => map.addAll({})))); | |
| 282 Expect.isFalse( | |
| 283 throwsCME(() => testForEach(jsonify(map), (map) => map.addAll({})))); | |
| 284 | |
| 285 Expect.isFalse( | |
| 286 throwsCME(() => testKeys(jsonify(map), (map) => map.addAll({'a': 0})))); | |
| 287 Expect.isFalse( | |
| 288 throwsCME(() => testValues(jsonify(map), (map) => map.addAll({'a': 0})))); | |
| 289 Expect.isFalse(throwsCME( | |
| 290 () => testForEach(jsonify(map), (map) => map.addAll({'a': 0})))); | |
| 291 | |
| 292 Expect.isTrue( | |
| 293 throwsCME(() => testKeys(jsonify(map), (map) => map.addAll({'b': 0})))); | |
| 294 Expect.isTrue( | |
| 295 throwsCME(() => testValues(jsonify(map), (map) => map.addAll({'b': 0})))); | |
| 296 Expect.isTrue(throwsCME( | |
| 297 () => testForEach(jsonify(map), (map) => map.addAll({'b': 0})))); | |
| 298 } | |
| 299 | |
| 300 void testType() { | |
| 301 Expect.isTrue(jsonify({}) is Map); | |
| 302 Expect.isTrue(jsonify({}) is Map<String, dynamic>); | |
| 303 Expect.isFalse(jsonify({}) is Map<int, dynamic>); | |
| 304 } | |
| 305 | |
| 306 void testClear() { | |
| 307 Map map = jsonify({'a': 0}); | |
| 308 map.clear(); | |
| 309 Expect.equals(0, map.length); | |
| 310 } | |
| 311 | |
| 312 void testListEntry() { | |
| 313 Map map = jsonify({ | |
| 314 'a': [ | |
| 315 7, | |
| 316 8, | |
| 317 {'b': 9} | |
| 318 ] | |
| 319 }); | |
| 320 List list = map['a']; | |
| 321 Expect.equals(3, list.length); | |
| 322 Expect.equals(7, list[0]); | |
| 323 Expect.equals(8, list[1]); | |
| 324 Expect.equals(9, list[2]['b']); | |
| 325 } | |
| 326 | |
| 327 void testMutation() { | |
| 328 Map map = jsonify({'a': 0}); | |
| 329 Expect.listEquals(['a', 0], listEach(map)); | |
| 330 map['a'] = 1; | |
| 331 Expect.listEquals(['a', 1], listEach(map)); | |
| 332 map['a']++; | |
| 333 Expect.listEquals(['a', 2], listEach(map)); | |
| 334 } | |
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Chromium Code Reviews
Issue 2996513002:
Migrated test block 12 to Dart 2.0. (Closed)
