| // 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 abstract E operator [](int index) |
| /// @description Checks extendable arrays. |
| /// @author varlax |
| |
| library operator_subscript_A01_t02; |
| |
| import "../../../Utils/expect.dart"; |
| |
| test(List<E> create<E>([int length, E fill])) { |
| List from(Iterable content) { |
| List res = create(content.length, 0); |
| res.setRange(0, content.length, content); |
| return res; |
| } |
| Expect.isTrue(from([1, 0])[0] == 1); |
| var a = []; |
| Expect.identical(from([a, 0])[0], a); |
| Expect.isTrue(from([1, 2, 3])[0] == 1); |
| Expect.isTrue(from([null, null, null])[0] == null); |
| |
| Expect.identical(from([1, 2, 3])[2], 3); |
| Expect.identical(from([1, null, 3])[1], null); |
| Expect.identical(from([1, 2, null])[2], null); |
| |
| var b = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17]; |
| a = from(b.getRange(1, 10)); |
| for(int i = 1; i <= a.length; ++i) { |
| Expect.identical(a[i - 1], i); |
| Expect.identical(a[a.length - i], a.length + 1 - i); |
| } |
| } |