public void GermanyCalculateIncomeTax32Percent_GivenSalary_Returns_IncomeTaxContributionValue()
{
// Arrange
var calculator = new GermanPayrollCalculator();
//Act
var actual = calculator.CalculateIncomeTax(600);
// Assert
var expected = 192;
actual.Should().Be(expected);
}
public void GermanyCalculateIncomeTax_GivenSalaryLessThanZero_Returns_InvalidInputException()
{
// Arrange
var germanSaleryCalculator = new GermanPayrollCalculator();
//Act
Action calculateIncomeTax = () => germanSaleryCalculator.CalculateIncomeTax(-100);
Action calculateTotalTaxDeductions = () => germanSaleryCalculator.CalculateTotalTaxDeductions(-200);
// Assert
string expectedMessage = "Given salary should be greater than zero, received value:";
calculateIncomeTax.Should().Throw <InvalidInputException>().Where(e => e.Message.StartsWith(expectedMessage));
calculateTotalTaxDeductions.Should().Throw <InvalidInputException>().Where(e => e.Message.StartsWith(expectedMessage));
}