// 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 Iterable<E> skipWhile(bool test(E value))
/// Every new [Iterator] of the returned [Iterable] iterates over all elements
/// of [this].
/// @description Checks that every new [Iterator] of the returned [Iterable]
/// iterates over all elements of [this].
/// @author msyabro


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

main() {
  var count = 0;
  test(double e) {
    ++count;
    return e < 3.0;
  }

  var list = new Float32List.fromList([1.0, 2.0, 3.0, 4.0, 5.0]);
  var res = list.skipWhile(test);
  Expect.equals(0, count);
  res.elementAt(0);
  Expect.equals(3, count);   //three elements will be tested.

  res.elementAt(0);
  Expect.equals(6, count);

  var it = res.iterator;
  it.moveNext();
  Expect.equals(9, count);

  it.moveNext();
  Expect.equals(9, count);
}
