public void ThrowExceptionGivenNegativeMonths()
{
// Arrange
var insterestCalculatorService = new InsterestCalculatorService();
const int NEGATIVE_MONTHS = -1;
Action actual = () => insterestCalculatorService.Calculate(1000, NEGATIVE_MONTHS);
Assert.ThrowsException <ArgumentOutOfRangeException>(actual);
}
public void ThrowExceptionGivenNegativeInitalAmount()
{
// Arrange
var insterestCalculatorService = new InsterestCalculatorService();
const decimal NEGATIVE_INITIALAMOUNT = -0.1M;
Action actual = () => insterestCalculatorService.Calculate(NEGATIVE_INITIALAMOUNT, 5);
Assert.ThrowsException <ArgumentOutOfRangeException>(actual);
}
public void Return105m10GivenInitialAmount100AndMonths5()
{
// Arrange
var insterestCalculatorService = new InsterestCalculatorService();
// Act
var actual = insterestCalculatorService.Calculate(100, 5);
// Assert
Assert.AreEqual(105.10M, actual);
}
