public void PlayGameShouldReturnTrueIfChosenDoorIsPrize()
{
var montyHall = new MontyHall();
var car = new TestRng(2);
var choice = new TestRng(0);
var player = new Player(choice, 1);
Assert.Equal(Prize.Car, montyHall.PlayGame(car, player));
}
public void SimulatorShouldPlayGameWherePlayerSwitchesRandomly(int prizeDoor, int chosenDoor)
{
var prize = new TestRng(prizeDoor);
var choice = new TestRng(chosenDoor);
var simulator = new Simulator();
Assert.Equal(1000, simulator.PlayAllGames(prize, choice, 1).Item1);
Assert.Equal(0, simulator.PlayAllGames(prize, choice, 0).Item1);
}
public void SimulateGamePlayGivenNumberOfTimesRecordsWinsAndLosses(int prizeNumber, int choiceNumber,
int expected)
{
var prize = new TestRng(prizeNumber);
var choice = new TestRng(choiceNumber);
var simulator = new Simulator();
simulator.PlayAllGames(prize, choice, 1);
Assert.Equal(expected, simulator.PlayAllGames(prize, choice, 1).Item1);
}
public void CreateThreeDoorsAssignsPrizeToRandomDoor()
{
var montyHall = new MontyHall();
var doorNumber = new TestRng(1);
montyHall.SetUpThreeDoors(doorNumber);
Assert.Equal(false, montyHall.Doors[0].Prize == Prize.Car);
Assert.Equal(true, montyHall.Doors[1].Prize == Prize.Car);
Assert.Equal(false, montyHall.Doors[2].Prize == Prize.Car);
}
public void SimulatorShouldDetermineIfPlayerSwitches(bool expected, int switchingChance)
{
var prize = new TestRng(2);
var choice = new TestRng(0);
var simulator = new Simulator();
simulator.PlayAllGames(prize, choice, switchingChance);
var montyHall = new MontyHall();
var player = new Player(choice, switchingChance);
montyHall.PlayGame(prize, player);
Assert.Equal(expected, montyHall.Doors[0].IsChosen);
}
public void PlayerShouldBeAbleToChooseARandomDoor()
{
var montyHall = new MontyHall();
var doorNumber = new TestRng(1);
montyHall.SetUpThreeDoors(doorNumber);
var choice = new TestRng(2);
var player = new Player(choice, 0);
player.ChooseRandomDoor(choice, montyHall.Doors);
Assert.Equal(false, montyHall.Doors[0].IsChosen);
Assert.Equal(false, montyHall.Doors[1].IsChosen);
Assert.Equal(true, montyHall.Doors[2].IsChosen);
}
public void HostShouldOpenAnUnSelectedDoorThatIsGoat()
{
var montyHall = new MontyHall();
var host = new Host();
var doorNumber = new TestRng(1);
montyHall.SetUpThreeDoors(doorNumber);
var choice = new TestRng(2);
var player = new Player(choice, 0);
player.ChooseRandomDoor(choice, montyHall.Doors);
host.OpenUnselectedDoorThatIsGoat(montyHall.Doors);
Assert.Equal(true, montyHall.Doors[0].IsOpened);
Assert.Equal(false, montyHall.Doors[1].IsOpened);
Assert.Equal(false, montyHall.Doors[2].IsOpened);
}
public void PlayerShouldBeAbleToASwitchDoors()
{
var montyHall = new MontyHall();
var host = new Host();
var doorNumber = new TestRng(1);
montyHall.SetUpThreeDoors(doorNumber);
var choice = new TestRng(2);
var player = new Player(choice, 1);
player.ChooseRandomDoor(choice, montyHall.Doors);
host.OpenUnselectedDoorThatIsGoat(montyHall.Doors);
player.SwitchDoor(montyHall.Doors);
Assert.Equal(false, montyHall.Doors[0].IsChosen);
Assert.Equal(true, montyHall.Doors[1].IsChosen);
Assert.Equal(false, montyHall.Doors[2].IsChosen);
}