| // 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. |
| |
| /// @assertion List<E> toList({bool growable: true}) |
| /// The list is fixed-length if [growable] is [false]. |
| /// @description Checks that the list created with growable == false cannot |
| /// change its size. |
| /// @author kaigorodov |
| |
| import "dart:collection"; |
| import "../../../Utils/expect.dart"; |
| |
| List<String> failures = new List<String>.empty(growable: true); |
| |
| check(List l) { |
| Expect.throws (() { |
| l.clear(); |
| failures.add("clear"); |
| }, (e) => e is UnsupportedError); |
| |
| Expect.throws (() { |
| l.length = 123; |
| failures.add("set length"); |
| }, (e) => e is UnsupportedError); |
| |
| Expect.throws (() { |
| l.add(null); |
| failures.add("add"); |
| }, (e) => e is UnsupportedError); |
| |
| Expect.throws (() { |
| l.removeLast(); |
| failures.add("removeLast"); |
| }, (e) => e is UnsupportedError); |
| |
| Expect.throws (() { |
| l.removeRange(0,1); |
| failures.add("removeRange"); |
| }, (e) => e is UnsupportedError); |
| } |
| |
| main() { |
| check(new DoubleLinkedQueue().toList(growable:false)); |
| DoubleLinkedQueue src = new DoubleLinkedQueue.from( |
| [null, [null], [], [1,2,3], [[null]]]); |
| check(src.toList(growable:false)); |
| if (failures.isEmpty) return; |
| StringBuffer sb = new StringBuffer(); |
| sb.write( |
| "following operations do not cause UnsupportedError on fixed-sized list:\n"); |
| sb.writeAll(failures, ", "); |
| Expect.fail(sb.toString()); |
| } |