public void AssignCellOwnerTest()
{
// make sure that a cell can be assigned as either computer or human
// also be sure that only cell within range may be set
// many TDD purists argue these are all separate tests
// arrange
var ticTacToeGame = new TicTacToeGame();
ticTacToeGame.ResetGrid();
ticTacToeGame.IdentifyCellOwner(0, 0).ShouldBe(CellOwners.Open); // _ticTacToeCells should now be initialized to open
// act
ticTacToeGame.AssignCellOwner(0, 0, CellOwners.Human);
ticTacToeGame.AssignCellOwner(0, 1, CellOwners.Computer);
ticTacToeGame.AssignCellOwner(0, 11, CellOwners.Computer); // should not do anything
ticTacToeGame.AssignCellOwner(0, -1, CellOwners.Computer); // should not do anything
// assert
ticTacToeGame.IdentifyCellOwner(0, 0).ShouldBe(CellOwners.Human);
ticTacToeGame.IdentifyCellOwner(0, 1).ShouldBe(CellOwners.Computer);
ticTacToeGame.IdentifyCellOwner(0, 2).ShouldBe(CellOwners.Open);
ticTacToeGame.IdentifyCellOwner(0, 11).ShouldBe(CellOwners.Error); // out of bounds
ticTacToeGame.IdentifyCellOwner(0, -1).ShouldBe(CellOwners.Error);
ticTacToeGame.IdentifyCellOwner(0, 3).ShouldBe(CellOwners.Open);
ticTacToeGame.IdentifyCellOwner(3, 0).ShouldBe(CellOwners.Open);
ticTacToeGame.CheckForWinner().ShouldBeFalse(); // no winner yet
ticTacToeGame.Winner.ShouldBe(CellOwners.Open); // winner property should now be Open
ticTacToeGame.IdentifyWinner().ShouldBeEmpty(); // there is no winner
}
public void NoWinnerFound()
{
// arrange
var ticTacToeGame = new TicTacToeGame();
ticTacToeGame.ResetGrid();
// act
/*
* X O X
* X O X
* O X O
*/
ticTacToeGame.AssignCellOwner(0, 0, CellOwners.Human);
ticTacToeGame.AssignCellOwner(0, 1, CellOwners.Computer);
ticTacToeGame.AssignCellOwner(0, 2, CellOwners.Human);
ticTacToeGame.AssignCellOwner(2, 0, CellOwners.Computer);
ticTacToeGame.AssignCellOwner(2, 1, CellOwners.Human);
ticTacToeGame.AssignCellOwner(2, 2, CellOwners.Computer);
ticTacToeGame.AssignCellOwner(1, 0, CellOwners.Human);
ticTacToeGame.AssignCellOwner(1, 1, CellOwners.Computer);
ticTacToeGame.AssignCellOwner(1, 2, CellOwners.Human);
// assert
ticTacToeGame.CheckForWinner().ShouldBeFalse(); // no winner
ticTacToeGame.Winner.ShouldBe(CellOwners.Open); // winner property should be Open
ticTacToeGame.IdentifyWinner().ShouldBeEmpty(); // there is no winner
}
public void AutoPlayComputerWinnerTest()
{
// arrange
var ticTacToeGame = new TicTacToeGame();
ticTacToeGame.ResetGrid();
// act
ticTacToeGame.AutoPlayComputer();
ticTacToeGame.AssignCellOwner(0, 1, CellOwners.Human);
ticTacToeGame.AutoPlayComputer();
ticTacToeGame.AssignCellOwner(0, 3, CellOwners.Human);
ticTacToeGame.AutoPlayComputer();
ticTacToeGame.AssignCellOwner(1, 0, CellOwners.Human);
ticTacToeGame.AutoPlayComputer();
ticTacToeGame.AssignCellOwner(1, 2, CellOwners.Human);
ticTacToeGame.AutoPlayComputer();
ticTacToeGame.AssignCellOwner(1, 3, CellOwners.Human);
ticTacToeGame.AutoPlayComputer();
ticTacToeGame.AssignCellOwner(3, 4, CellOwners.Human);
ticTacToeGame.AutoPlayComputer();
ticTacToeGame.AssignCellOwner(4, 1, CellOwners.Human);
ticTacToeGame.AutoPlayComputer();
ticTacToeGame.AssignCellOwner(4, 2, CellOwners.Human);
ticTacToeGame.AutoPlayComputer();
ticTacToeGame.AssignCellOwner(4, 3, CellOwners.Human);
ticTacToeGame.AutoPlayComputer();
// assert
ticTacToeGame.CheckForWinner().ShouldBeTrue();
ticTacToeGame.Winner.ShouldBe(CellOwners.Computer);
}
public void WinnerHuman()
{
// arrange
var ticTacToeGame = new TicTacToeGame();
ticTacToeGame.ResetGrid();
ticTacToeGame.AssignCellOwner(0, 0, CellOwners.Human);
ticTacToeGame.AssignCellOwner(1, 0, CellOwners.Computer);
ticTacToeGame.AssignCellOwner(0, 1, CellOwners.Human);
ticTacToeGame.AssignCellOwner(1, 1, CellOwners.Computer);
ticTacToeGame.AssignCellOwner(0, 2, CellOwners.Human);
ticTacToeGame.AssignCellOwner(1, 2, CellOwners.Computer);
ticTacToeGame.AssignCellOwner(0, 3, CellOwners.Human);
ticTacToeGame.AssignCellOwner(1, 3, CellOwners.Computer);
ticTacToeGame.CheckForWinner().ShouldBeFalse(); // no winner --- yet
ticTacToeGame.AssignCellOwner(0, 4, CellOwners.Human);
ticTacToeGame.CheckForWinner().ShouldBeTrue();
ticTacToeGame.Winner.ShouldBe(CellOwners.Human); // winner property should be Human
ticTacToeGame.IdentifyWinner().ShouldBe(ticTacToeGame.PlayerName);
ticTacToeGame.PlayerName = ""; // should not happen, but it could!
ticTacToeGame.IdentifyWinner().ShouldBe("Unnamed Human");
}
public void WinnerComputer()
{
// arrange
var ticTacToeGame = new TicTacToeGame();
ticTacToeGame.ResetGrid();
// act
/*
* X O X
* O X
* O
*/
ticTacToeGame.AssignCellOwner(0, 3, CellOwners.Human);
ticTacToeGame.AssignCellOwner(0, 0, CellOwners.Computer);
ticTacToeGame.AssignCellOwner(0, 2, CellOwners.Human);
ticTacToeGame.AssignCellOwner(1, 1, CellOwners.Computer);
ticTacToeGame.AssignCellOwner(1, 2, CellOwners.Human);
ticTacToeGame.AssignCellOwner(3, 3, CellOwners.Computer);
ticTacToeGame.AssignCellOwner(1, 4, CellOwners.Human);
ticTacToeGame.CheckForWinner().ShouldBeFalse(); // no winner --- yet
ticTacToeGame.AssignCellOwner(4, 4, CellOwners.Computer);
ticTacToeGame.CheckForWinner().ShouldBeTrue();
ticTacToeGame.Winner.ShouldBe(CellOwners.Computer);
ticTacToeGame.IdentifyWinner().ShouldBe("Computer");
}
public void WinnerComputer()
{
// arrange
var ticTacToeGame = new TicTacToeGame();
ticTacToeGame.ResetGrid();
// act
ticTacToeGame.AssignCellOwner(0, 2, CellOwners.Computer);
ticTacToeGame.AssignCellOwner(1, 1, CellOwners.Computer);
ticTacToeGame.AssignCellOwner(2, 0, CellOwners.Computer);
// assert
ticTacToeGame.CheckForWinner().ShouldBeTrue(); // winner !
ticTacToeGame.Winner.ShouldBe(CellOwners.Computer);
ticTacToeGame.IdentifyWinner().ShouldBe("Computer");
}
public void WinnerHuman()
{
// arrange
var ticTacToeGame = new TicTacToeGame();
ticTacToeGame.ResetGrid();
// act
ticTacToeGame.AssignCellOwner(0, 0, CellOwners.Human);
ticTacToeGame.AssignCellOwner(1, 1, CellOwners.Human);
ticTacToeGame.AssignCellOwner(2, 2, CellOwners.Human);
// assert
ticTacToeGame.CheckForWinner().ShouldBeTrue(); // winner !
ticTacToeGame.Winner.ShouldBe(CellOwners.Human);
ticTacToeGame.IdentifyWinner().ShouldBe("Unnamed Human");
}
public void IdentifyWinnerHumanTest()
{
// arrange
var ticTacToeGame = new TicTacToeGame();
ticTacToeGame.ResetGrid();
// act
ticTacToeGame.PlayerName = "Prof Reynolds";
ticTacToeGame.AssignCellOwner(0, 0, CellOwners.Human);
ticTacToeGame.AssignCellOwner(1, 1, CellOwners.Human);
ticTacToeGame.AssignCellOwner(2, 2, CellOwners.Human);
ticTacToeGame.CheckForWinner();
// assert
ticTacToeGame.IdentifyWinner().ShouldBe("Prof Reynolds");
}
public void AutoPlayComputerWinnerTest()
{
// arrange
var ticTacToeGame = new TicTacToeGame();
ticTacToeGame.ResetGrid();
// act
ticTacToeGame.AutoPlayComputer(); // 1,1 first good move
ticTacToeGame.AssignCellOwner(0, 0, CellOwners.Human);
ticTacToeGame.AutoPlayComputer(); // 0,2 third in good move list because second good move blocked by human
ticTacToeGame.AssignCellOwner(2, 0, CellOwners.Human);
ticTacToeGame.AutoPlayComputer(); // 1,0 to block winning move from human
ticTacToeGame.AssignCellOwner(1, 0, CellOwners.Human); // this overwrites the previous move by the computer???
ticTacToeGame.AutoPlayComputer(); // 2,2 fifth in good move list
// assert
ticTacToeGame.CheckForWinner().ShouldBeTrue();
ticTacToeGame.Winner.ShouldBe(CellOwners.Computer);
}
public void AutoPlayComputerTest()
{
// arrange
var ticTacToeGame = new TicTacToeGame();
ticTacToeGame.ResetGrid();
// act
ticTacToeGame.AssignCellOwner(0, 0, CellOwners.Human);
ticTacToeGame.AutoPlayComputer();
ticTacToeGame.AssignCellOwner(2, 2, CellOwners.Human);
ticTacToeGame.AutoPlayComputer();
ticTacToeGame.AssignCellOwner(2, 0, CellOwners.Human);
ticTacToeGame.AutoPlayComputer();
ticTacToeGame.AssignCellOwner(1, 0, CellOwners.Human);
// assert
ticTacToeGame.CheckForWinner().ShouldBeTrue();
ticTacToeGame.Winner.ShouldBe(CellOwners.Human);
ticTacToeGame.IdentifyWinner().ShouldBe("Human");
}
public void AssignCellOwnerTest()
{
// make sure that a cell can be assigned as either computer or human
// also be sure that only cell within range may be set
// many TDD purists argue these are all separate tests
// arrange
var ticTacToeGame = new TicTacToeGame();
ticTacToeGame.ResetGrid();
// act and assert - assign a cell and check that it is changed
ticTacToeGame.AssignCellOwner(0, 0, CellOwners.Human);
ticTacToeGame.IdentifyCellOwner(0, 0).ShouldBe(CellOwners.Human);
// act and assert - assign a cell as a computer
ticTacToeGame.AssignCellOwner(0, 1, CellOwners.Computer);
ticTacToeGame.IdentifyCellOwner(0, 1).ShouldBe(CellOwners.Computer);
// act and assert - no fault when bad assignment is attempted
ticTacToeGame.AssignCellOwner(0, 11, CellOwners.Computer); // should not do anything
ticTacToeGame.AssignCellOwner(0, -1, CellOwners.Computer); // should not do anything
}
public void AutoPlayComputerWinnerTest()
{
// arrange
var ticTacToeGame = new TicTacToeGame();
ticTacToeGame.ResetGrid();
// act
ticTacToeGame.AssignCellOwner(0, 0, CellOwners.Human);
ticTacToeGame.AutoPlayComputer(); // 0-4
ticTacToeGame.AssignCellOwner(4, 4, CellOwners.Human);
ticTacToeGame.AutoPlayComputer(); // 4-0
ticTacToeGame.AssignCellOwner(2, 0, CellOwners.Human);
ticTacToeGame.AutoPlayComputer(); // 1-1
ticTacToeGame.AssignCellOwner(2, 1, CellOwners.Human);
ticTacToeGame.AutoPlayComputer(); // 1-3
ticTacToeGame.AssignCellOwner(2, 4, CellOwners.Human);
ticTacToeGame.AutoPlayComputer(); // 3-1
ticTacToeGame.CheckForWinner(); // 1-3
// assert
ticTacToeGame.CheckForWinner().ShouldBeTrue();
ticTacToeGame.Winner.ShouldBe(CellOwners.Computer);
}
public void WinnerComputer()
{
// arrange
var ticTacToeGame = new TicTacToeGame();
ticTacToeGame.GridSize = 5; //this code was added so it would test the 5x5 version
ticTacToeGame.ResetGrid();
ticTacToeGame.AssignCellOwner(1, 0, CellOwners.Computer);
ticTacToeGame.AssignCellOwner(0, 0, CellOwners.Human);
ticTacToeGame.AssignCellOwner(1, 1, CellOwners.Computer);
ticTacToeGame.AssignCellOwner(0, 1, CellOwners.Human);
ticTacToeGame.AssignCellOwner(1, 2, CellOwners.Computer);
ticTacToeGame.AssignCellOwner(0, 2, CellOwners.Human);
ticTacToeGame.AssignCellOwner(1, 3, CellOwners.Computer);
ticTacToeGame.AssignCellOwner(0, 3, CellOwners.Human);
ticTacToeGame.CheckForWinner().ShouldBeFalse(); // no winner --- yet
ticTacToeGame.AssignCellOwner(1, 4, CellOwners.Computer);
ticTacToeGame.CheckForWinner().ShouldBeTrue();
ticTacToeGame.Winner.ShouldBe(CellOwners.Computer);
ticTacToeGame.IdentifyWinner().ShouldBe("Computer");
}