LibTest/core/Iterator/Iterator_A01_t01.test.dart

/*
 * Copyright (c) 2011, 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 Iterator<E> abstract class 
 * The for-in construct transparently uses Iterator to test for the end of the iteration,
 * and to get each item (or element).
 * @description Checks that the returned [Iterator] iterates all elements of the list.
 * @author vasya
 * @reviewer msyabro
 * @reviewer varlax
 */
library iterator_A01_t01;
 
import "../../../Utils/expect.dart";

test(Iterable create([Iterable content]), {bool isSet:false}) {
  
  void checkIterator(List a) {
    Iterable it = create(a);
    int i = 0;
    List l=new List.from(a);
    for (var element in it) {
      Expect.isTrue(l.contains(element));
      l.remove(element);
    }
    Expect.isTrue(l.isEmpty);
  }

  Expect.isTrue(create().iterator is Iterator);
  
  checkIterator([]);
  checkIterator(const [null,0,"1", false, const []]);
  if (!isSet) {
    checkIterator(new List.filled(300, 0));
    checkIterator(new List(300));
  }

  List a = new List(365);
  for (var i=0; i < a.length; i++) {
    a[i] = i;
  }
  checkIterator(a);

  List l = new List();
  l.addAll(["0","1","2","3","4","5"]);
  a = new List.from(l);
  checkIterator(a);
}