public void Test_Common()
{
Assert.Throws(typeof(ArgumentNullException), () => { SortHelper.QuickSort <ValItem>(null, null); });
Assert.Throws(typeof(ArgumentNullException), () => { SortHelper.MergeSort <ValItem>(null, null); });
Assert.Throws(typeof(ArgumentNullException), () => { ListTimSort <int> .Sort(null, null); });
Random rnd = new Random();
List <ValItem> listQS = new List <ValItem>();
List <ValItem> listMS = new List <ValItem>();
List <ValItem> listTS = new List <ValItem>();
List <ValItem> listCS = new List <ValItem>();
//const int MaxCount = 1000000; // for performance test
const int MaxCount = 1000; // for common test
for (int i = 0; i < MaxCount; i++)
{
double val = rnd.NextDouble();
listTS.Add(new ValItem(val));
listQS.Add(new ValItem(val));
listMS.Add(new ValItem(val));
listCS.Add(new ValItem(val));
}
listCS.Sort(CompareItems);
SortHelper.QuickSort(listQS, CompareItems);
SortHelper.MergeSort(listMS, CompareItems);
ListTimSort <ValItem> .Sort(listTS, CompareItems);
// test for sort valid
//(only for numbers, because some methods is with the permutations, and part - no)
for (int i = 0; i < MaxCount; i++)
{
Assert.AreEqual(listTS[i].Value, listQS[i].Value);
Assert.AreEqual(listQS[i].Value, listMS[i].Value);
Assert.AreEqual(listMS[i].Value, listCS[i].Value);
}
}
public void MergeSort(Comparison <T> comparer)
{
SortHelper.MergeSort(fList, comparer);
}