// 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 Iterable<E> take(int count)
/// Returns a lazy iterable of the count first elements of this iterable.
/// @description Checks that returned iterable is correct.
/// @author ngl@unipro.ru


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

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

equal(o1, o2) => o1.x == o2.x && o1.y == o2.y && o1.z == o2.z && o1.w == o2.w;

check(List<Int32x4> list, n) {
  var l = new Int32x4List.fromList(list);
  var res = l.take(n);

  for (int i = 0; i < res.length; ++i) {
    Expect.isTrue(equal(l[i], res.elementAt(i)));
  }
}

main() {
  check([], 0);
  var list = [
    i32x4(0), i32x4(1), i32x4(2), i32x4(6), i32x4(4), i32x4(5), i32x4(6),
    i32x4(7), i32x4(8), i32x4(9)
  ];

  for (int i = 0; i <= list.length; ++i) {
    check(list, i);
  }
}