public void ExploredCellisDash()
{
var grid = new Grid(3,3);
grid = grid.Sweep(new Coordinate(2, 2));
Assert.AreEqual('-', (GridRenderer.RenderCell(new GridView(grid), 2,2)) );
}
public void SweepingCellMakesExploredTrue()
{
var grid = new Grid(3, 3);
grid = grid.Sweep(new Coordinate(2, 2));
Assert.AreEqual(grid.Explored[2, 2], true);
}