| // 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 Map<int, E> asMap() |
| /// Returns an unmodifiable Map view of this. |
| /// The map uses the indices of this list as keys and the corresponding objects |
| /// as values. |
| /// @description Checks that the method returns Map. |
| /// Checks that the returned Map is unmodifiable. |
| /// Checks that the returned Map has the indices of this list as keys. |
| /// Checks that the returned Map has the corresponding objects as values. |
| /// @author kaigorodov |
| |
| library asMap_A01_t01; |
| |
| import "../../../Utils/expect.dart"; |
| |
| test(List<E> create<E>([int length, E fill])) { |
| |
| void check(List a0) { |
| List a = create(a0.length, new Object()); |
| Expect.equals(a0.length, a.length); |
| a.setRange(0, a0.length, a0); |
| dynamic map = a.asMap(); |
| Expect.isTrue(map is Map); |
| |
| Expect.throws(() {map["key"] = "value";},(e) => true, |
| "Modification did not fail"); |
| Expect.equals(a.length, map.length); |
| |
| int count = 0; |
| map.forEach((key, value){ |
| Expect.equals(a[key], map[key]); |
| count++; |
| }); |
| Expect.equals(a.length, count); |
| |
| for (int key = 0; key < a.length; key++) { |
| Expect.isTrue(map.containsKey(key)); |
| Expect.equals(a[key], map[key]); |
| } |
| } |
| |
| List a = new List.empty(growable: true); |
| check(a); |
| a.add(2); |
| check(a); |
| a.add(1); |
| check(a); |
| a.add(1); |
| check(a); |
| a.add("1"); |
| check(a); |
| a.clear(); |
| check(a); |
| } |