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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 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. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 /** | 5 /** |
6 * Tests for the toString methods on collections and maps. | 6 * Tests for the toString methods on collections and maps. |
7 */ | 7 */ |
8 | 8 |
9 library collection_to_string; | 9 library collection_to_string; |
10 | 10 |
11 import "package:expect/expect.dart"; | |
12 import 'dart:collection' show Queue, LinkedHashMap; | 11 import 'dart:collection' show Queue, LinkedHashMap; |
13 import 'dart:math' as Math; | 12 import 'dart:math' as Math; |
14 | 13 |
15 // TODO(jjb): seed random number generator when API allows it | 14 // TODO(jjb): seed random number generator when API allows it |
16 | 15 |
17 const int NUM_TESTS = 300; | 16 const int NUM_TESTS = 300; |
18 const int MAX_COLLECTION_SIZE = 7; | 17 const int MAX_COLLECTION_SIZE = 7; |
19 | 18 |
20 Math.Random rand; | 19 Math.Random rand; |
21 | 20 |
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298 return rand.nextBool(); | 297 return rand.nextBool(); |
299 } | 298 } |
300 | 299 |
301 /** Returns the alphabetized characters in a string. */ | 300 /** Returns the alphabetized characters in a string. */ |
302 String alphagram(String s) { | 301 String alphagram(String s) { |
303 // Calling [toList] to convert unmodifiable list to normal list. | 302 // Calling [toList] to convert unmodifiable list to normal list. |
304 List<int> chars = s.codeUnits.toList(); | 303 List<int> chars = s.codeUnits.toList(); |
305 chars.sort((int a, int b) => a - b); | 304 chars.sort((int a, int b) => a - b); |
306 return new String.fromCharCodes(chars); | 305 return new String.fromCharCodes(chars); |
307 } | 306 } |
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