// 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])
/// ...
/// An error occurs if start is outside the range 0 .. length or if end is
/// outside the range start .. length.
/// @description Checks that an error occurs if start is outside the range
/// 0 .. length
/// @author ngl@unipro.ru


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

Int32x4 i32x4(n) => new Int32x4(n, n, n, n);

main() {
  var list = [i32x4(0), i32x4(1), i32x4(2), i32x4(6), i32x4(4), i32x4(5)];
  var l = new Int32x4List.fromList(list);

  Expect.throws(() {
    l.sublist(-1);
  });

  Expect.throws(() {
    l.sublist(l.length + 1);
  });
}
