public void TestCalculationExpressionWithConstants()
{
var const1 = new ConstantExpression("1");
var const2 = new ConstantExpression("-1");
var ce = new CalculationExpression("+", const1, const2);
Assert.AreEqual(0, ce.GetExpected());
Assert.AreEqual(0, ce.GetMin());
Assert.AreEqual(0, ce.GetMax());
Assert.AreEqual(0, ce.Roll());
ce = new CalculationExpression("-", const1, const2);
Assert.AreEqual(2, ce.GetExpected());
Assert.AreEqual(2, ce.GetMin());
Assert.AreEqual(2, ce.GetMax());
Assert.AreEqual(2, ce.Roll());
ce = new CalculationExpression("*", const1, const2);
Assert.AreEqual(-1, ce.GetExpected());
Assert.AreEqual(-1, ce.GetMin());
Assert.AreEqual(-1, ce.GetMax());
Assert.AreEqual(-1, ce.Roll());
ce = new CalculationExpression("/", const1, const2);
Assert.AreEqual(-1, ce.GetExpected());
Assert.AreEqual(-1, ce.GetMin());
Assert.AreEqual(-1, ce.GetMax());
Assert.AreEqual(-1, ce.Roll());
}
public void TestCalculationExpressionWithDies()
{
var d1 = new DiceExpression("1d6");
var d2 = new DiceExpression("1d8");
var ce = new CalculationExpression("+", d1, d2);
Assert.AreEqual(8, ce.GetExpected());
Assert.AreEqual(2, ce.GetMin());
Assert.AreEqual(14, ce.GetMax());
ce = new CalculationExpression("-", d1, d2);
Assert.AreEqual(-1, ce.GetExpected());
Assert.AreEqual(-7, ce.GetMin());
Assert.AreEqual(5, ce.GetMax());
ce = new CalculationExpression("*", d1, d2);
Assert.AreEqual(3.5 * 4.5, ce.GetExpected());
Assert.AreEqual(1, ce.GetMin());
Assert.AreEqual(48, ce.GetMax());
ce = new CalculationExpression("/", d1, d2);
Assert.AreEqual(3.5 / 4.5, ce.GetExpected());
Assert.AreEqual(0.125, ce.GetMin());
Assert.AreEqual(6, ce.GetMax());
}
public void TestCalculationExpressionWithCalculations()
{
var const1 = new ConstantExpression("1");
var const2 = new ConstantExpression("-1");
var d1 = new DiceExpression("1d6");
var d2 = new DiceExpression("1d8");
var ce = new CalculationExpression("+", new CalculationExpression("+", d1, d2), new CalculationExpression("+", const1, const2));
Assert.AreEqual(8, ce.GetExpected());
Assert.AreEqual(2, ce.GetMin());
Assert.AreEqual(14, ce.GetMax());
}