public void FibonacciHeapEnumeratorTest()
{
FibonacciHeap <Int32, String> heap = new FibonacciHeap <Int32, String>(this.values.OrderBy(value => value.Key));
IEnumerator enumerator = this.values.OrderBy(value => value.Key).GetEnumerator();
IEnumerator <KeyValuePair <Int32, String> > heapEnumerator = heap.GetEnumerator();
IEnumerator heapCollectionEnumerator = (heap as IEnumerable).GetEnumerator();
while (enumerator.MoveNext())
{
heapEnumerator.MoveNext().ShouldBeTrue();
heapCollectionEnumerator.MoveNext().ShouldBeTrue();
heapEnumerator.Current.ShouldBe(enumerator.Current);
heapEnumerator.Current.ShouldBe(heapCollectionEnumerator.Current);
}
// exceptions
heap.Insert(0, "0");
Should.Throw <InvalidOperationException>(() => heapEnumerator.MoveNext());
}