LibTest/core/Iterator/current_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 final E current
 * Gets the current element in the iteration.
 * @description Checks that the current element in the iteration is returned.
 * @author kaigorodov
 */
library current_A01_t01;
 
import "../../../Utils/expect.dart";

test(Iterable create([Iterable content]), {bool isSet:false}) {

  void checkNext(List a) {
    Iterator it = create(a).iterator;
    if (isSet) {
      Set set=new Set.from(a);
      while (it.moveNext()) {
        Expect.isTrue(set.contains(it.current));
        set.remove(it.current);
      }
      Expect.isTrue(set.isEmpty);
    } else {
      var i = 0;
      while (it.moveNext()) {
        Expect.identical(it.current, a[i]);
        ++i;
      }
    }
  }

  checkNext([null,0,"1",false]);
  checkNext(const [null,0,"1",false]);

  List a = new List(17495);
  for (var i=0; i < a.length; i++) {
    a[i] = a.length - i;
  }
  checkNext(a);

  List l = new List();
  l.addAll(["0","1","2","3","4","5",6,7,8,9,null]);
  a = new List.from(l);
  checkNext(a);
}