// Copyright (c) 2013, 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(Object element, [int start = 0])
/// Returns -1 if element is not found.
/// @description Checks that the -1 is returned, if the element is not present.
/// @author msyabro


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

main() {
  var l = new Int64List.fromList([-1, 0, 0, -1, 2]);
  Expect.equals(-1, l.indexOf(5, 0));
  Expect.equals(-1, l.indexOf(5, 4));
  Expect.equals(-1, l.indexOf(0, 3));
  Expect.equals(-1, l.indexOf(-1, 4));
}
