public void ReplacingMinElementAndCheckingIfExtractedInSortedOrder()
{
var heap = new BinaryMinHeap <int>();
int maxHeapElement = 50000;
int minHeapElement = -50000;
int addedElements = 0;
//Adding every seventh number, then every fifth number,
//every third and at last all numbers
//NOTE: some items are added more than once
for (int i = 7; i > 0; i -= 2)
{
int el = minHeapElement;
while (el <= maxHeapElement)
{
heap.Add(el);
addedElements++;
el += i;
}
}
if (heap.Count != addedElements)
{
Assert.Fail();
}
heap.ReplaceMin(int.MaxValue);
heap.ReplaceMin(int.MaxValue);
heap.ReplaceMin(int.MaxValue);
int removedElements = 0;
var min = heap.PeekMin();
while (!heap.IsEmpty)
{
if (min > heap.PeekMin())
{
Assert.Fail();
}
min = heap.PopMin();
removedElements++;
}
Assert.IsTrue(heap.IsEmpty &&
heap.Count == 0 &&
addedElements == removedElements);
}