public void CoordsTests(int row1, int col1, int row2, int col2, int expected)
{
/*
* int x = 0;
* int y = 1;
* Assert.AreEqual(-1, x.CompareTo(y));
* Assert.AreEqual(1, y.CompareTo(x));
* Assert.AreEqual(0, x.CompareTo(x));
* Assert.AreEqual(0, y.CompareTo(y));
*/
var coords1 = new Coords {
Row = row1, Col = col1
};
var coords2 = new Coords {
Row = row2, Col = col2
};
Assert.AreEqual(expected, coords1.CompareTo(coords2));
}