// 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 element))
 * When the iterator encounters an element e that does not satisfy test,
 * it discards e and moves into the finished state.
 * That is, it will not ask or provide any more elements.
 * @description Checks that once an element does not satisfy
 * the [test] every later element is skipped.
 * @author msyabro
 */
import "../../../Utils/expect.dart";

main() {
  var runes = new Runes('aabaaa');
  var res = runes.takeWhile((e) => e == 0x61);
  Expect.equals(2, res.length);
  for(int i = 1; i < 2; ++i) {
    Expect.equals(0x61, res.elementAt(i));
  }
}
