public void Win1Randomness_IsApproximatelyConvergentToExpectation()
{
const DiceValue selectedFace = DiceValue.SPADE;
const int numDice = 3;
const int numThrows = 10000;
var hitCount = 0d;
var die = new Dice();
for (var i = 0; i <= numThrows; i++)
{
var hit = false;
var rollCount = 0;
for (var j = 0; j < numDice; j++)
{
die.roll();
if (die.CurrentValue == selectedFace)
rollCount++;
}
if (rollCount == 1)
hitCount++;
}
hitCount.Should()
.BeGreaterThan(34)
.And.BeLessThan(35,
" P(X=1)=P (first dice match) +P(second dice match) +P(third dice match) =1/6 . 5/6 . 5/6 + 5/6 . 1/6 . 5/6 + 5/6 . 5/6 . 1/6 = 25/72 = 0.3472 And Should converge to:- 100 * 0.3472");
}
public void TestRoll()
{
Dictionary<DiceValue, int> countMap =
new Dictionary<DiceValue, int>() {
{ DiceValue.CROWN,0},
{ DiceValue.ANCHOR,0},
{ DiceValue.HEART,0},
{ DiceValue.DIAMOND,0},
{ DiceValue.CLUB,0},
{ DiceValue.SPADE,0},
};
Dice d1 = new Dice();
for (int i = 0; i < 100; i++)
{
d1.roll();
countMap[d1.CurrentValue] += 1;
}
foreach (DiceValue dv in Enum.GetValues(typeof(DiceValue)))
{
if (countMap[dv] == 0)
{
Assert.Fail("random didn't generate all values");
}
}
}
public void TestCurrentValueRepr()
{
Dice d1 = new Dice();
string expected = Dice.stringRepr(d1.CurrentValue);
string actual = d1.CurrentValueRepr;
Assert.AreEqual(expected, actual);
}
public Game(Dice die1, Dice die2, Dice die3)
{
dice = new List<Dice>();
values = new List<DiceValue>();
dice.Add(die1);
dice.Add(die2);
dice.Add(die3);
foreach (var die in dice)
{
values.Add(die.CurrentValue);
}
}
public void LossRandomness_IsApproximatelyConvergentToExpectation()
{
const int numThrows = 100000;
const double tolerance = 30 / 100d; // +- 30%
const double above = 1 + tolerance;
const double below = 1 - 1 / 100d;
var dice = new Dice[] { new Dice(), new Dice(), new Dice() };
foreach (DiceValue selectedFace in Enum.GetValues(typeof(DiceValue)))
{
//var selectedFace = DiceValue.CLUB;
Console.WriteLine("Processing:" + selectedFace);
double lossCount = 0;
for (var i = 0; i <= numThrows; i++)
{
var win = false;
foreach (var die in dice)
{
die.roll();
if (die.CurrentValue == selectedFace)
win = true;
}
if (!win)
lossCount++;
}
double houseBias = 125d / 216d - 1 / 2d;
// Test house bias for losing should be 8% away from median.
lossCount.Should().BeInRange((58d/100d * numThrows) * below, (58d/100d * numThrows ) * above, "House bias for " + selectedFace + ", should be :" + (houseBias * 100) + " numThrows/2:" + numThrows/2 + " ");
// win + loss ratio:
var winRatio = (numThrows - lossCount) / numThrows;
winRatio.Should().BeInRange(0.42 * below, 0.42 * above, "win + loss ratio should approximate 0.42");
}
}
public void EnsurePlayerIsNotWinningTooFrequently()
{
var die1 = new Dice();
var die2 = new Dice();
var die3 = new Dice();
// Introduce a player with $100
var player = new Player("SomeGuy", 100);
// Choose a symbol from the playmat.
var pick = Dice.RandomValue;
// Place a bet of $5
const int bet = 5;
// Start a game
var game = new Game(die1, die2, die3);
var numMatches = 0;
var numturns = 0;
while (player.balanceExceedsLimitBy(bet) && player.Balance < 150)
{
numturns++;
IList<DiceValue> currentValues1 = new List<DiceValue>(game.CurrentDiceValues);
game.PlayRound(player, pick, bet);
var currentValues2 = game.CurrentDiceValues;
try
{
currentValues1.Should().NotBeEquivalentTo(currentValues2);
}
catch (AssertException e)
{
numMatches++;
}
}
numMatches.Should().BeLessThan((int)Math.Round(0.125 * numturns));
}
static void Main(string[] args)
{
Dice d1 = new Dice();
Dice d2 = new Dice();
Dice d3 = new Dice();
Player p = new Player("Fred", 100);
Console.WriteLine(p);
Console.WriteLine();
Console.WriteLine("New game for {0}", p.Name);
Game g = new Game(d1, d2, d3);
IList<DiceValue> cdv = g.CurrentDiceValues;
Console.WriteLine("Current dice values : {0} {1} {2}", cdv[0], cdv[1], cdv[2]);
DiceValue rv = Dice.RandomValue;
Random random = new Random();
int bet = 5;
p.Limit = 0;
int winnings = 0;
DiceValue pick = Dice.RandomValue;
int totalWins = 0;
int totalLosses = 0;
while (true)
{
int winCount = 0;
int loseCount = 0;
for (int i = 0; i < 100; i++)
{
p = new Player("Fred", 100);
Console.Write("Start Game {0}: ", i);
Console.WriteLine("{0} starts with balance {1}", p.Name, p.Balance);
int turn = 0;
while (p.balanceExceedsLimitBy(bet) && p.Balance < 200)
{
//Console.Write("Turn {0}: ", turn+1);
//Console.WriteLine("Player {0} betting {1} on {2}. Balance:{3}, Limit:{4}",
// p.Name, bet, Dice.stringRepr(pick), p.Balance, p.Limit);
try
{
p.placeBet(bet);
winnings = g.playRound(bet, pick);
cdv = g.CurrentDiceValues;
//Console.WriteLine("Rolled {0} {1} {2}", cdv[0], cdv[1], cdv[2]);
if (winnings > 0)
{
p.receiveWinnings(winnings);
//Console.WriteLine("{0} won {1}", p.Name, winnings);
}
else
{
//Console.WriteLine("{0} lost {1}", p.Name, bet);
}
}
catch (BelowLimitException e)
{
Console.WriteLine("Error: {0}", e.Message);
throw new Exception("Really don't expect to see this");
}
catch (ArgumentException e)
{
Console.WriteLine("{0}\n\n", e.Message);
}
pick = Dice.RandomValue;
winnings = 0;
turn++;
} //while
if (p.Balance >= 200) winCount++;
else loseCount++;
Console.Write("{1} turns later.\nEnd Game {0}: ", i, turn);
Console.WriteLine("{0} now has balance {1}\n", p.Name, p.Balance);
} //for
Console.WriteLine("Win count = {0}, Lose Count = {1}", winCount, loseCount);
totalWins += winCount;
totalLosses += loseCount;
string ans = Console.ReadLine();
if (ans.Equals("q")) break;
} //while true
Console.WriteLine("Overall loss rate = {0}%", (float)(totalLosses * 100) / (totalWins + totalLosses));
Console.ReadLine();
}
static void Main(string[] args)
{
// Create Dice.
IDice d1 = new Dice();
IDice d2 = new Dice();
IDice d3 = new Dice();
// Create player.
IPlayer p = new Player("Fred", 100);
Console.WriteLine(p);
Console.WriteLine();
// Create Game.
Console.WriteLine("New game for {0}", p.Name);
Game g = new Game(d1, d2, d3);
// Initial dice values? Why does this matter?
IList<DiceValue> cdv = g.CurrentDiceValues;
Console.WriteLine("Current dice values : {0} {1} {2}", cdv[0], cdv[1], cdv[2]);
// Unused random dice value? Why is this done?
DiceValue rv = Dice.RandomValue;
// Unused random
Random random = new Random();
// Setup initial conditions.
int bet = 5;
p.Limit = 0;
int winnings = 0;
DiceValue pick = Dice.RandomValue;
Console.WriteLine("Chosen Dice Value:" + pick);
int totalWins = 0;
int totalLosses = 0;
while (true)
{
int winCount = 0;
int loseCount = 0;
// Play 100 times
for (int i = 0; i < 100; i++)
{
// Re-creating player with the same balance each time.
p = new Player("Fred", 100);
Console.Write("Start Game {0}: ", i);
Console.WriteLine("{0} starts with balance {1}", p.Name, p.Balance);
int turn = 0;
// Balance lower limit 0 upper limit 200.
while (p.balanceExceedsLimitBy(bet) && p.Balance < 200)
{
try
{
winnings = g.PlayRound(p, pick, bet);
cdv = g.CurrentDiceValues;
Console.WriteLine("Picked {3} and Rolled {0} {1} {2}", cdv[0], cdv[1], cdv[2], pick);
if (winnings > 0)
{
Console.WriteLine("{0} bet {3} and won {1} balance now {2}", p.Name, winnings, p.Balance, bet);
winCount++;
}
else
{
Console.WriteLine("{0} bet {3} and lost {1} balance now {2}", p.Name, bet, p.Balance, bet);
loseCount++;
}
}
catch (ArgumentException e)
{
Console.WriteLine("{0}\n\n", e.Message);
}
pick = Dice.RandomValue;
winnings = 0;
turn++;
} //while
Console.Write("{1} turns later.\nEnd Game {0}: ", turn, i);
Console.WriteLine("{0} now has balance {1}\n", p.Name, p.Balance);
} //for
Console.WriteLine("Win count = {0}, Lose Count = {1}, {2:0.00}", winCount, loseCount, (float)winCount / (winCount + loseCount));
totalWins += winCount;
totalLosses += loseCount;
string ans = Console.ReadLine();
if (ans.Equals("q")) break;
} //while true
Console.WriteLine("Overall win rate = {0}%", (float)(totalWins * 100) / (totalWins + totalLosses));
Console.ReadLine();
}
static void Main(string[] args)
{
Dice d1 = new Dice();
Dice d2 = new Dice();
Dice d3 = new Dice();
Player p = new Player("Fred", 100);
Console.WriteLine(p);
Console.WriteLine();
Console.WriteLine("New game for {0}", p.Name);
Game g = new Game(d1, d2, d3);
IList<DiceValue> cdv = g.CurrentDiceValues;
Console.WriteLine("Current dice values : {0} {1} {2}", cdv[0], cdv[1], cdv[2]);
DiceValue rv = Dice.RandomValue;
Random random = new Random();
int bet = 5;
p.Limit = 0;
int winnings = 0;
DiceValue pick = Dice.RandomValue;
int totalWins = 0;
int totalLosses = 0;
while (true)
{
int winCount = 0;
int loseCount = 0;
for (int i = 0; i < 100; i++)
{
p = new Player("Fred", 100);
Console.Write("Start Game {0}: ", i);
Console.WriteLine("{0} starts with balance {1}", p.Name, p.Balance);
int turn = 0;
while (p.balanceExceedsLimitBy(bet) && p.Balance < 200)
{
try
{
winnings = g.playRound(p, pick, bet);
cdv = g.CurrentDiceValues;
Console.WriteLine("Rolled {0} {1} {2}", cdv[0], cdv[1], cdv[2]);
if (winnings > 0)
{
Console.WriteLine("{0} won {1} balance now {2}", p.Name, winnings, p.Balance);
winCount++;
}
else
{
Console.WriteLine("{0} lost {1} balance now {2}", p.Name, bet, p.Balance);
loseCount++;
}
}
catch (ArgumentException e)
{
Console.WriteLine("{0}\n\n", e.Message);
}
pick = Dice.RandomValue;
winnings = 0;
turn++;
} //while
Console.Write("{1} turns later.\nEnd Game {0}: ", turn, i);
Console.WriteLine("{0} now has balance {1}\n", p.Name, p.Balance);
} //for
Console.WriteLine("Win count = {0}, Lose Count = {1}, {2:0.00}", winCount, loseCount, (float) winCount/(winCount+loseCount));
totalWins += winCount;
totalLosses += loseCount;
string ans = Console.ReadLine();
if (ans.Equals("q")) break;
} //while true
Console.WriteLine("Overall win rate = {0}%", (float)(totalWins * 100) / (totalWins + totalLosses));
Console.ReadLine();
}
private static void Main(string[] args)
{
// Init a new instance of logger for logging to text file and console.
Log.Logger = new LoggerConfiguration()
.Enrich.FromLogContext()
#if DEBUG
.WriteTo.ColoredConsole()
#endif
.WriteTo.RollingFile(@"Log-{Date}.txt")
.CreateLogger();
Log.Information(
$"----------------------------------------------\nStarting new instance at {DateTime.Now.ToString()}\n----------------------------------------------\n\n");
try
{
Dice d1 = new Dice();
Dice d2 = new Dice();
Dice d3 = new Dice();
Player player = new Player("Fred", 100);
Console.WriteLine(player);
Console.WriteLine();
Console.WriteLine("New game for {0}", player.Name);
Game game = new Game(d1, d2, d3);
IList<DiceValue> currentDiceValues = game.CurrentDiceValues;
Console.WriteLine("Current dice values : {0} {1} {2}", currentDiceValues[0], currentDiceValues[1], currentDiceValues[2]);
int bet = 5;
player.Limit = 0;
int winnings = 0;
DiceValue pick = Dice.RandomValue;
int totalWins = 0;
int totalLosses = 0;
while (true)
{
Play100Games(bet, game, ref pick, ref totalWins, ref totalLosses);
string ans = Console.ReadLine();
if (ans.Equals("q")) break;
} //while true
Log.Information("Overall win rate = {Rate}%", (float)(totalWins * 100) / (totalWins + totalLosses));
Console.WriteLine("Overall win rate = {0}%", (float)(totalWins * 100) / (totalWins + totalLosses));
Console.ReadLine();
}
catch (Exception ex)
{
Log.Fatal(ex, "Quit Application by force\n\n\n\n");
}
}
public void TestGameDiceRandomness()
{
var dice = new Dice();
var values = new List<DiceValue>();
for (var i = 0; i < 100; i++)
{
values.Add(dice.roll());
}
Console.WriteLine(string.Join(",", values.Distinct()));
values.Distinct().Count().Should().Be(6);
}
public void WhenDiceRolledValueShouldReflectNewRoll()
{
var die1 = new Dice();
var die2 = new Dice();
var die3 = new Dice();
int bet = 5;
int winCount = 0;
int loseCount = 0;
var pick = Dice.RandomValue;
var player = new Player("Test", 100);
var game = new Game(die1, die2, die3);
game.playRound(player, pick, bet);
var newDie1Value = die1.roll();
var newDie2Value = die2.roll();
var newDie3Value = die3.roll();
Assert.Equal(die1.CurrentValue, game.CurrentDiceValues[0]);
Assert.Equal(die2.CurrentValue, game.CurrentDiceValues[1]);
Assert.Equal(die3.CurrentValue, game.CurrentDiceValues[2]);
Assert.Equal(newDie1Value, die1.CurrentValue);
Assert.Equal(newDie2Value, die2.CurrentValue);
Assert.Equal(newDie3Value, die3.CurrentValue);
}
