| // 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 factory List.from(Iterable other, {bool growable: true}) |
| * Creates an list with the elements of other. |
| * The order in the list will be the order provided by the iterator of other. |
| * The returned list is growable if growable is true, otherwise it's a fixed |
| * length list. |
| * @description Checks that the list created with growable==false cannot change |
| * it's size. |
| * @author kaigorodov |
| */ |
| import "../../../Utils/expect.dart"; |
| |
| List<String> failures = new List<String>.empty(growable: true); |
| |
| check(List l) { |
| try { |
| l.clear(); |
| failures.add("clear"); |
| } on UnsupportedError catch (ok) {} |
| try { |
| l.length = 123; |
| failures.add("set length"); |
| } on UnsupportedError catch (ok) {} |
| try { |
| l.add(null); |
| failures.add("add"); |
| } on UnsupportedError catch (ok) {} |
| try { |
| l.removeLast(); |
| failures.add("removeLast"); |
| } on UnsupportedError catch (ok) {} |
| try { |
| l.removeRange(0, 1); |
| failures.add("removeRange"); |
| } on UnsupportedError catch (ok) {} |
| } |
| |
| main() { |
| check(new List.from([], growable:false)); |
| List src = [null, [null], [], [1, 2, 3], [[null]]]; |
| List a = new List.from(src, growable:false); |
| check(a); |
| 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()); |
| } |