public void TestCase()
{
var list = new RandomList<int>(new Random(239823), new int[]{0,1,2,3,4,5});
long start = DateTime.Now.ToFileTimeUtc();
int end = 1 << 6; // 24;
int last = -1;
for (int i = 0; i < end; i++) {
int item = list.RandomItem();
// Console.Write(item.ToString());
Assert.True(item != last);
last = item;
}
double seconds = (DateTime.Now.ToFileTimeUtc() - start) / 10000000.0;
// Console.WriteLine("");
Console.WriteLine(seconds);
// Assert.False(true);
}