old_contents: from board import Board
  
  def test_constructor():
      board = Board(0,0)
      assert board.boardMatrix.size == 0
      assert board.columns == 0
      assert board.rows == 0
  
      board = Board(5,5)
      assert board.boardMatrix.size == 25
      assert board.columns == 5
      assert board.rows == 5
  
  """
  Tests that one can add pieces to the board and 
  that the stack correctly.
  """
  def test_addPiece():
      board = Board(5,5)
      assert board.addPiece(0, 1) == True
      assert board.boardMatrix.item((4,0)) == 1
  
      assert board.addPiece(0, 2) == True
      assert board.boardMatrix.item((3,0)) == 2
      assert board.boardMatrix.item((4,0)) == 1
  
      assert board.addPiece(1, 1) == True
      assert board.boardMatrix.item((4,1)) == 1
  
      assert board.addPiece(4, 1) == True
      assert board.boardMatrix.item((4,4)) == 1
  
  """
  Tests that the board can be filled up completely 
  but no more.
  """
  def test_addPieceMaxColumn():
      board = Board(5,5)
  
      # Fill board
      for x in range(board.columns):
          for y in range(board.rows):
              assert board.addPiece(x, 1) == True
  
      # Attempt to overfill
      for x in range(board.columns):
          assert board.addPiece(x, 2) == False
  
      # Make sure initially filled values weren't overriden
      for x in range(board.columns):
          for y in range(board.rows):
              assert board.boardMatrix.item((x,y)) == 1
  
new_contents: from board import Board
  
  """
  Tests that board matrix is correct size and
  that columns and rows are the correct values
  when initially constructed.
  """
  def test_constructor():
      board = Board(0,0)
      assert board.boardMatrix.size == 0
      assert board.columns == 0
      assert board.rows == 0
  
      board = Board(5,5)
      assert board.boardMatrix.size == 25
      assert board.columns == 5
      assert board.rows == 5
  
  """
  Tests that one can add pieces to the board and 
  that the stack correctly.
  """
  def test_addPiece():
      board = Board(5,5)
      assert board.addPiece(0, 1) == True
      assert board.boardMatrix.item((4,0)) == 1
  
      assert board.addPiece(0, 2) == True
      assert board.boardMatrix.item((3,0)) == 2
      assert board.boardMatrix.item((4,0)) == 1
  
      assert board.addPiece(1, 1) == True
      assert board.boardMatrix.item((4,1)) == 1
  
      assert board.addPiece(4, 1) == True
      assert board.boardMatrix.item((4,4)) == 1
  
  """
  Tests that the board can be filled up completely 
  but no more.
  """
  def test_addPieceMaxColumn():
      board = Board(5,5)
  
      # Fill board
      for x in range(board.columns):
          for y in range(board.rows):
              assert board.addPiece(x, 1) == True
  
      # Attempt to overfill
      for x in range(board.columns):
          assert board.addPiece(x, 2) == False
  
      # Make sure initially filled values weren't overriden
      for x in range(board.columns):
          for y in range(board.rows):
              assert board.boardMatrix.item((x,y)) == 1
  
subject: Add documentation to constructor test.