blob: 00e90064097238ba5078459547198e3004a1fdd1 [file] [log] [blame]
// 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 operator []=(int index, E value)
/// Sets the value at the given index in the list to value.
/// @description Checks that needed element is correctly assigned in extendable
/// lists.
/// @author kaigorodov
library operator_subscripted_assignment_A01_t02;
import "../../../Utils/expect.dart";
test(List<E> create<E>([int length, E fill])) {
List from(List content) {
List res = create(content.length, 0);
res.setRange(0, content.length, content);
return res;
List a = from([0]);
a[0] = 1;
Expect.identical(1, a[0]);
a[0] = null;
Expect.isTrue(null == a[0]);
a[0] = a;
Expect.identical(a, a[0]);
a = from([1, 2, 3]);
a[1] = null;
Expect.listEquals([1, null, 3], a);
a[2] = null;
Expect.listEquals([1, null, null], a);
a[0] = null;
Expect.listEquals([null, null, null], a);
a[1] = 100500;
Expect.listEquals([null, 100500, null], a);