| /* |
| * 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. |
| */ |
| /** |
| * @assertionfactory List.generate(int length, E generator(int index), |
| * {bool growable: true}) |
| * Generate a List of values. |
| * Creates a list with length positions and fills them by values created by |
| * calling generator for each index in the range 0 .. [length]-1 in increasing |
| * order. |
| * The created length's length is fixed unless growable is true. |
| * @description Checks that the list created with growable==false cannot change |
| * it's size. |
| * @author kaigorodov |
| */ |
| import "../../../Utils/expect.dart"; |
| |
| typedef Generator(int index); |
| |
| Generator gengen(List<Object> source) { |
| return (int index) { |
| return source[index]; |
| }; |
| } |
| |
| List<String> failures=new List<String>(); |
| |
| 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.generate(0, gengen([]), growable:false)); |
| |
| List src = [null, [null], [], [1 ,2, 3], [[null]]]; |
| List a = new List.generate(src.length, gengen(src), growable:false); |
| check(a); |
| |
| if (failures.isEmpty) return; |
| StringBuffer sb = new StringBuffer("following operations do not cause " |
| + "UnsupportedError on fixed-sized list:\n"); |
| sb.writeAll(failures, ", "); |
| Expect.fail(sb.toString()); |
| } |