private static object EvaluateArithmeticBinaryOperator(ArithmeticOperator operation, object left, object right)
{
IExpression expression = new ArithmeticBinaryExpression(operation, new ConstantExpression(left), new ConstantExpression(right));
return(expression.Evaluate(null));
}
public void DivideTwoIntegers()
{
IExpression expression = new ArithmeticBinaryExpression(ArithmeticOperation.Divide, new ConstantExpression(3), new ConstantExpression(2));
Assert.AreEqual(3 / 2, expression.Evaluate(null));
}
public void SubtractTwoIntegers()
{
IExpression expression = new ArithmeticBinaryExpression(ArithmeticOperation.Substract, new ConstantExpression(1), new ConstantExpression(2));
Assert.AreEqual(-1, expression.Evaluate(null));
}
public void MultiplyTwoIntegers()
{
IExpression expression = new ArithmeticBinaryExpression(ArithmeticOperation.Multiply, new ConstantExpression(3), new ConstantExpression(2));
Assert.AreEqual(6, expression.Evaluate(null));
}
public void AddTwoIntegers()
{
IExpression expression = new ArithmeticBinaryExpression(ArithmeticOperation.Add, new ConstantExpression(1), new ConstantExpression(2));
Assert.AreEqual(3, expression.Evaluate(null));
}