static void Main()
{
Console.WriteLine("Input format{money}{interest}{years}{type}");
while (true)
{
string[] commandargs = Console.ReadLine().Split(new[] { " " }, StringSplitOptions.RemoveEmptyEntries);
if (commandargs[0].Equals("end"))
{
break;
}
decimal money = decimal.Parse(commandargs[0]);
double interest = double.Parse(commandargs[1]);
int years = int.Parse(commandargs[2]);
InterestCalculator calculator = null;
switch (commandargs[3])
{
case "compound":
calculator = new InterestCalculator(money, interest, years, new CalculateInterestDelegate(GetCompoundInterest));
break;
case "simple":
calculator = new InterestCalculator(money, interest, years, new CalculateInterestDelegate(GetSimpleInterest));
break;
}
Console.WriteLine("{0:F4}", calculator.GetInterest());
}
}
static void Main(string[] args)
{
var simpleInterest = new InterestCalculator(2500, 7.2m, 15, GetSimpleInterest);
var compoundInterest = new InterestCalculator(500, 5.6m, 10, GetCompoundInterest);
Console.WriteLine("Compound Interest = {0}", compoundInterest);
Console.WriteLine("Simple Interest = {0}", simpleInterest);
}
public static void Main()
{
InterestCalculator compoundInterest = new InterestCalculator(500m, 0.056m, 10, GetCompoundInterest);
Console.WriteLine(compoundInterest.Balance);
InterestCalculator simpleInterest = new InterestCalculator(2500m, 0.072m, 15, GetSimpleInterest);
Console.WriteLine(simpleInterest.Balance);
}
static void Main(string[] args)
{
PerformCalculation simpleInterestCalc = GetSimpleInterest;
PerformCalculation compelexInterestCalc = GetCompoundInterest;
var simpleInterest = new InterestCalculator(2500, 0.072, 15, simpleInterestCalc);
var complexInterest = new InterestCalculator(500, 0.056, 10, compelexInterestCalc);
Console.WriteLine(simpleInterest);
Console.WriteLine(complexInterest);
}
public static void Main()
{
InterestCalculator compoundInterest = new InterestCalculator(500m, 0.056m, 10, GetCompoundInterest);
Console.WriteLine(compoundInterest.Balance);
InterestCalculator simpleInterest = new InterestCalculator(2500m, 0.072m, 15, GetSimpleInterest);
Console.WriteLine(simpleInterest.Balance);
}
static void Main(string[] args)
{
PerformCalculation simpleInterestCalc = GetSimpleInterest;
PerformCalculation compelexInterestCalc = GetCompoundInterest;
var simpleInterest = new InterestCalculator(2500, 0.072, 15, simpleInterestCalc);
var complexInterest = new InterestCalculator(500, 0.056, 10, compelexInterestCalc);
Console.WriteLine(simpleInterest);
Console.WriteLine(complexInterest);
}
public void Test_GetSimpleInterestMethod()
{
// arrange
decimal money = 2500m;
decimal interest = 0.072m;
int years = 15;
decimal expected = 5200.0000m;
InterestCalculator simpleInterest = new InterestCalculator(2500m, 0.072m, 15, InterestCalculatorMain.GetSimpleInterest);
// assert
decimal actual = simpleInterest.Balance;
Assert.AreEqual(expected, actual, "Interest not calculated correctly");
}
public void Test_GetCompoundInterestMethod()
{
// arrange
decimal money = 500m;
decimal interest = 0.056m;
int years = 10;
decimal expected = 874.1968m;
InterestCalculator compoundInterest = new InterestCalculator(500m, 0.056m, 10, InterestCalculatorMain.GetCompoundInterest);
// assert
decimal actual = compoundInterest.Balance;
Assert.AreEqual(expected, actual, "Interest not calculated correctly");
}
public void Years_WhenYearsAreNegative_ShouldThrowArgumentOutOfRangeException()
{
InterestCalculator simpleInterest = new InterestCalculator(2500m, 0.072m, -15, InterestCalculatorMain.GetSimpleInterest);
}
public void Interest_WhenInterestIsNegative_ShouldThrowArgumentOutOfRangeException()
{
InterestCalculator compoundInterest = new InterestCalculator(500m, -0.056m, 10, InterestCalculatorMain.GetCompoundInterest);
}
public void InterestCalculator_WithAllArgumentsValid_ShouldPassTest()
{
InterestCalculator simpleInterest = new InterestCalculator(2500m, 0.072m, 8, InterestCalculatorMain.GetSimpleInterest);
}
