public void Up_Down_check_no_change_test() { Reversi Test = new Reversi(new Form(), new Form()); Test.arr[0, 0] = 2; Test.arr[2, 0] = 2; Test.Down_col_check(0, 0, 2); Assert.AreEqual(Test.arr[1, 0], 0); Assert.AreNotEqual(Test.arr[1, 0], 2); Test.Close(); }