LibTest/collection/UnmodifiableListView/sublist_A01_t01.dart

// Copyright (c) 2017, 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 List<E> sublist(int start, [int end])
/// Returns a new list containing the objects from [start] inclusive to [end]
/// exclusive.
/// @description Checks that this method returns a new list containing the
/// objects from [start] inclusive to [end] exclusive
/// @author iarks@unipro.ru

import "dart:collection";
import "../../../Utils/expect.dart";

main() {
  UnmodifiableListView lst = new UnmodifiableListView([0, 1, 2, 3, 4]);
  List sub = lst.sublist(2, 5);

  Expect.equals(3, sub.length);
  Expect.equals(2, sub[0]);
  Expect.equals(3, sub[1]);
  Expect.equals(4, sub[2]);

  sub = lst.sublist(2, 3);
  Expect.equals(1, sub.length);
  Expect.equals(2, sub[0]);
}