| // 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 void setRange(int start, int end, Iterable<E> iterable, |
| /// [int skipCount = 0]) |
| /// Copies the elements of iterable, skipping the skipCount first elements into |
| /// the range start to end exclusive of this. |
| /// If start equals end and represent a legal range, this method has no effect. |
| /// It is an error if start.. end is not a valid range pointing into the this. |
| /// It is an error if the iterable does not have enough elements after skipping |
| /// skipCount elements. |
| /// @description Checks that all needed elements are copied. |
| /// @author iefremov |
| |
| library setRange_A01_t02; |
| |
| import "../../../Utils/expect.dart"; |
| |
| check(List dst, var def) { |
| List src = [dst, null]; |
| src[1] = src; |
| |
| dst.setRange(0, 2, src); |
| Expect.listEquals([dst, src, def, def, def], dst); |
| |
| dst.setRange(4, 5, src); |
| Expect.listEquals([dst, src, def, def, dst], dst); |
| |
| dst.setRange(2, 4, src); |
| Expect.listEquals([dst, src, dst, src, dst], dst); |
| } |
| |
| test(List<E> create<E>([int length, E fill])) { |
| check(create<dynamic>(5, 0), 0); |
| |
| List a = create(); |
| a.length = 5; |
| check(a, null); |
| } |