| /* |
| * 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==true can change it's |
| * size. |
| * @author kaigorodov |
| */ |
| import "../../../Utils/expect.dart"; |
| import "dart:collection"; |
| |
| typedef Generator(int index); |
| |
| Generator gengen(List source) { |
| return (int index) { |
| return source[index]; |
| }; |
| } |
| |
| void check(List l) { |
| int len = l.length; |
| l.add(null); |
| Expect.equals(len + 1, l.length); |
| |
| l.clear(); |
| Expect.equals(0, l.length); |
| } |
| |
| main() { |
| check(new List.generate(0, gengen([]))); |
| |
| List<int> s = new List<int>(); |
| for (var i = 0; i < 10; i++){ |
| s.add(i); |
| } |
| check(new List.generate(s.length, gengen(s))); |
| |
| Queue<int> q = new Queue<int>(); |
| for (var i = 0; i < 10; i++){ |
| q.add(i); |
| } |
| check(new List.generate(q.length, gengen(q.toList()))); |
| |
| List l = new List(); |
| l.addAll(["1", "2", "3", "4", "5"]); |
| List a = new List.generate(l.length, gengen(l), growable:true); |
| check(a); |
| |
| List src = [null, [null], [], [1, 2, 3], [[null]]]; |
| a = new List.generate(src.length, gengen(src)); |
| check(a); |
| |
| src = new List(34567); |
| src[34566] = -111111111; |
| a = new List.generate(src.length, gengen(src), growable:true); |
| check(a); |
| } |