blob: 86e4ec2e15498fb6a7d463f2375aea651c6a6ac6 [file] [log] [blame]
// 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 int indexOf(E element, [int start = 0])
/// Returns [-1] if given [element] is not found.
/// @description Checks that [-1] is returned if the [element] is not present in
/// the list and [start] index is not specified
/// @author
import "dart:collection";
import "../../../Utils/expect.dart";
main() {
UnmodifiableListView a =
new UnmodifiableListView([42, 0, -1, 42, -1, 6031769, 0]);
Expect.equals(-1, a.indexOf(3.14));
Expect.equals(-1, a.indexOf(null));
Expect.equals(-1, a.indexOf(a));
Expect.equals(-1, a.indexOf(8));