public void Dequeue_Testing()
{
void Test <T>(T[] values, Func <T, T, CompareResult> compare)
{
T[] clonedValues = (T[])values.Clone();
Shuffle <T>(clonedValues);
IHeap <T> heap = HeapArray.New <T>(compare);
clonedValues.Stepper(x => heap.Enqueue(x));
foreach (T value in values)
{
T dequeue = heap.Dequeue();
Assert.IsTrue(value !.Equals(dequeue));
}
}
{ // int compare
int[] values = (..100).ToArray();
Array.Sort(values, (a, b) => - a.CompareTo(b));
Test(values, Compare);
}
{ // string compare
string[] values = (..100).ToArray(i => i.ToString());
Array.Sort(values, (a, b) => - a.CompareTo(b));
Test(values, Compare);
}
{ // int reverse compare
int[] values = (..100).ToArray();
Array.Sort(values);
Test(values, (a, b) => Compare(b, a));
}
{ // string reverse compare
string[] values = (..100).ToArray(i => i.ToString());
Array.Sort(values);
Test(values, (a, b) => Compare(b, a));
}
}
