public void CleanRows()
{
foreach (Block[] row in TetrisBoard.BlocksInRows())
{
int at_y = TetrisBoard.BlockPoint(row[0]).Y;
ClearRow(row);
FillRowGapAt(at_y);
}
}
public void CleanRows_WithRows_FillGaps()
{
Block blockFarAboveGap = new Block();
_tetrisBoard.AddBlockAt(blockFarAboveGap, new Point(0, 0));
Block blockAboveGap = new Block();
_tetrisBoard.AddBlockAt(blockAboveGap, new Point(4, 1));
Block blockBelowGap = new Block();
FillBoardRowAt(2);
FillBoardRowAt(3);
_tetrisBoard.AddBlockAt(blockBelowGap, new Point(0, 4));
_tetrisBoardOperator.CleanRows();
Assert.Equal(new Point(0, 2), _tetrisBoard.BlockPoint(blockFarAboveGap));
Assert.Equal(new Point(4, 3), _tetrisBoard.BlockPoint(blockAboveGap));
Assert.Equal(new Point(0, 4), _tetrisBoard.BlockPoint(blockBelowGap));
}