private static void DisplaySortingAlgorithmsComparison <T>(T[] array, bool sortBeforehand, Comparison <T> comparison = null)
where T : IComparable <T>
{
if (sortBeforehand)
{
Array.Sort(array, comparison);
}
T[] array1 = (T[])array.Clone();
T[] array2 = (T[])array.Clone();
T[] array3 = (T[])array.Clone();
string insertionSortMessage = string.Format("Insertion sort for {0}[]", typeof(T).Name).PadRight(35, '.') + ": ";
DisplayExecutionTime(() =>
{
SortingAlgorithms.InsertionSort(array1);
}, insertionSortMessage);
string selectionSortMessage = string.Format("Selection sort for {0}[]", typeof(T).Name).PadRight(35, '.') + ": ";
DisplayExecutionTime(() =>
{
SortingAlgorithms.SelectionSort(array2);
}, selectionSortMessage);
string quicksortMessage = string.Format("Quicksort for {0}[]", typeof(T).Name).PadRight(35, '.') + ": ";
DisplayExecutionTime(() =>
{
SortingAlgorithms.Quicksort(array3, 0, array3.Length - 1);
}, quicksortMessage);
}