public void IEraseTest()
{
TetrisPiece piece = new TetrisPiece(PieceType.I);
piece.EraseRow(4);
List <Square> squares = piece.OccupiedSquares;
Assert.AreEqual(4, squares.Count);
Assert.IsTrue(squares.Any(s => s.Y == 1 && s.X == 5));
Assert.IsTrue(squares.Any(s => s.Y == 2 && s.X == 5));
Assert.IsTrue(squares.Any(s => s.Y == 3 && s.X == 5));
Assert.IsTrue(squares.Any(s => s.Y == 4 && s.X == 5));
piece.EraseRow(4);
squares = piece.OccupiedSquares;
Assert.AreEqual(3, squares.Count);
Assert.IsTrue(squares.Any(s => s.Y == 2 && s.X == 5));
Assert.IsTrue(squares.Any(s => s.Y == 3 && s.X == 5));
Assert.IsTrue(squares.Any(s => s.Y == 4 && s.X == 5));
piece.EraseRow(4);
squares = piece.OccupiedSquares;
Assert.AreEqual(2, squares.Count);
Assert.IsTrue(squares.Any(s => s.Y == 3 && s.X == 5));
Assert.IsTrue(squares.Any(s => s.Y == 4 && s.X == 5));
piece.EraseRow(4);
squares = piece.OccupiedSquares;
Assert.AreEqual(1, squares.Count);
Assert.IsTrue(squares.Any(s => s.Y == 4 && s.X == 5));
piece.EraseRow(4);
squares = piece.OccupiedSquares;
Assert.AreEqual(0, squares.Count);
}
public void IRotateEraseTest()
{
TetrisPiece piece = new TetrisPiece(PieceType.I);
piece.Rotate();
piece.EraseRow(2);
List <Square> squares = piece.OccupiedSquares;
Assert.AreEqual(4, squares.Count);
Assert.IsTrue(squares.Any(s => s.Y == 2 && s.X == 4));
Assert.IsTrue(squares.Any(s => s.Y == 2 && s.X == 5));
Assert.IsTrue(squares.Any(s => s.Y == 2 && s.X == 6));
Assert.IsTrue(squares.Any(s => s.Y == 2 && s.X == 7));
piece.EraseRow(2);
squares = piece.OccupiedSquares;
Assert.AreEqual(0, squares.Count);
}
