| // 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 clear() |
| /// Throws an UnsupportedError, and retains all elements, |
| /// if the length of the list cannot be changed. |
| /// @description Checks that exception is thrown if the list is not extendable. |
| /// @author kaigorodov |
| |
| library clear_A02_t01; |
| |
| import "../../../Utils/expect.dart"; |
| |
| void check(List a) { |
| Expect.throws(() {a.clear();}, (e) => e is UnsupportedError); |
| } |
| |
| test(List<E> create<E>([int length, E fill])) { |
| List<int?> a = create<int?>(0, 0); |
| check(a); |
| |
| a = create<int?>(1, 0); |
| a[0] = null; |
| check(a); |
| |
| a = create<int?>(3, 0); |
| a[0] = 1; |
| a[1] = 1; |
| a[2] = 1; |
| check(a); |
| |
| a = create<int?>(89356, 0); |
| check(a); |
| } |