public void TestKeepDropModifier()
{
var de = new DiceExpression("4d6dl1", new RandomMock());
Assert.AreEqual(9, de.Roll());
Assert.AreEqual(12.2, de.GetExpected(), 0.15);
de = new DiceExpression("4d6kl1", new RandomMock());
Assert.AreEqual(1, de.Roll());
Assert.AreEqual(1.8, de.GetExpected(), 0.15);
de = new DiceExpression("4d6dh1", new RandomMock());
Assert.AreEqual(6, de.Roll());
Assert.AreEqual(8.8, de.GetExpected(), 0.15);
de = new DiceExpression("4d6kh1", new RandomMock());
Assert.AreEqual(4, de.Roll());
Assert.AreEqual(5.2, de.GetExpected(), 0.15);
de = new DiceExpression("4d6dl2", new RandomMock());
Assert.AreEqual(7, de.Roll());
de = new DiceExpression("4d6kl2", new RandomMock());
Assert.AreEqual(3, de.Roll());
de = new DiceExpression("4d6dh2", new RandomMock());
Assert.AreEqual(3, de.Roll());
de = new DiceExpression("4d6kh2", new RandomMock());
Assert.AreEqual(7, de.Roll());
de = new DiceExpression("4d6kl2", new Random());
var exp = de.GetExpected(10000);
Console.WriteLine(exp);
Assert.AreEqual(4.66, exp, 0.05);
de = new DiceExpression("4d6kh2", new Random());
exp = de.GetExpected(10000);
Console.WriteLine(exp);
Assert.AreEqual(9.34, exp, 0.05);
}
public void TestDieExpression()
{
var de = new DiceExpression("1d6");
Assert.AreEqual(3.5, de.GetExpected());
Assert.AreEqual(1, de.GetMin());
Assert.AreEqual(6, de.GetMax());
de = new DiceExpression("2d6");
Assert.AreEqual(7, de.GetExpected());
Assert.AreEqual(2, de.GetMin());
Assert.AreEqual(12, de.GetMax());
de = new DiceExpression("1d12");
Assert.AreEqual(6.5, de.GetExpected());
Assert.AreEqual(1, de.GetMin());
Assert.AreEqual(12, de.GetMax());
de = new DiceExpression("1d6", new Random(0));
var results = new Dictionary <int, int>()
{
{ 1, 0 },
{ 2, 0 },
{ 3, 0 },
{ 4, 0 },
{ 5, 0 },
{ 6, 0 }
};
for (var i = 0; i < 6000; i++)
{
results[(int)de.Roll()]++;
}
Assert.LessOrEqual(Math.Abs(results[1] - 1000), 50);
Assert.LessOrEqual(Math.Abs(results[2] - 1000), 50);
Assert.LessOrEqual(Math.Abs(results[3] - 1000), 50);
Assert.LessOrEqual(Math.Abs(results[4] - 1000), 50);
Assert.LessOrEqual(Math.Abs(results[5] - 1000), 50);
Assert.LessOrEqual(Math.Abs(results[6] - 1000), 50);
}