static void TestMergeSort()
{
const int len = 100;
var arr = stackalloc void *[len];
for (int i = 0; i < len; i += 1)
{
arr[i] = (void *)Fdb.Random(-len, len);
}
MergeSort(arr, len, (a, b) => (int)a - (int)b);
for (int i = 1; i < len; i += 1)
{
Should.LessThanOrEqualTo("(int)arr[i - 1]", (int)arr[i - 1], (int)arr[i]);
}
}
