// 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.

// @dart = 2.9

/// @assertion List<E> sublist(int start, [int end])
/// Returns a new list containing the objects from start inclusive to end
/// exclusive.
/// @description Checks that returned sublist is correct.
/// @author ngl@unipro.ru


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

Float64x2 f64x2(v) => new Float64x2.splat(v);

check(List<Float64x2> list, int start, int end) {
  var l = new Float64x2List.fromList(list);
  var res = l.sublist(start, end);
  for (int i = start; i < end; ++i) {
    Expect.equals(l[i].x, res[i - start].x);
    Expect.equals(l[i].y, res[i - start].y);
  }
}

main() {
  check([], 0, 0);
  check(
      [f64x2(6.0), f64x2(1.0), f64x2(4.0), f64x2(2.0), f64x2(5.0), f64x2(3.0)],
      2, 5);
  check(
      [f64x2(6.0), f64x2(5.0), f64x2(4.0), f64x2(3.0), f64x2(2.0), f64x2(1.0)],
      0, 6);
}