System.Text.UTF8Encoding.GetHashCode C# (CSharp) Method

        public override int GetHashCode()
        {
            throw null;
        }

 public void PosTest2()
 {
     UTF8Encoding utf8a = new UTF8Encoding(true);
     UTF8Encoding utf8b = new UTF8Encoding(true, true);
     Assert.NotEqual(utf8a.GetHashCode(), utf8b.GetHashCode());
 }