// 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> skipWhile(bool test(E value))
/// ...
/// The returned iterable provides elements by iterating this iterable, but
/// skipping over all initial elements where test(element) returns true.
/// If all elements satisfy test the resulting iterable is empty, otherwise it
/// iterates the remaining elements in their original order, starting with the
/// first element for which test(element) returns false.
/// @description Checks that if all elements satisfy test the resulting iterable
/// is empty, otherwise it iterates the remaining elements in their original
/// order, starting with the first element for which test(element) returns false.
/// @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;

main() {
  bool test(e) => e.x < 5;
  var list = [i32x4(0), i32x4(1), i32x4(2), i32x4(6), i32x4(4), i32x4(5)];
  var l = new Int32x4List.fromList(list);

  var res = l.skipWhile(test);
  Expect.isTrue(test(l[2]));
  Expect.isFalse(test(l[3]));
  for (int i = 0; i < res.length; ++i) {
    Expect.isTrue(equal(l[i + 3], res.elementAt(i)));
  }

  res = l.skipWhile((e) => e.x < 9);
  Expect.isTrue(res.isEmpty);
}