static void TestMerge(string s_parent, string s_left, string s_right)
{
Hashtable parent = Sjson(s_parent);
Hashtable left = Sjson(s_left);
Hashtable right = Sjson(s_right);
Hashtable res = JsonDiff.Merge(parent, left, right);
System.Diagnostics.Debug.WriteLine(SJSON.Encode(res));
}