public void TestFlagVisitorIsChangingState()
 {
     Cell cell = new MineCell(new Position(1, 1));
     IVisitor visitor = new FlagVisitor();
     visitor.Visit(cell);
     Assert.AreEqual(cell.Type, CellTypes.Flag);
 }
 public void TestFlagVisitorIsKeepingStateWhenCellIsRevealled()
 {
     Cell cell = new MineCell(new Position(1, 1));
     IVisitor visitor = new FlagVisitor();
     cell.IsCellRevealed = true;
     cell.Accept(visitor);
     Assert.AreNotEqual(cell.Type, CellTypes.Safe);
 }