public void DeveTruncarValor()
{
CalculadorService service = new CalculadorService();
var valorTruncado = service.Truncar(200.123, 2);
Assert.AreEqual(200.12, valorTruncado);
}
public void DeveCalcularJuros()
{
double taxa = 0.01;
var valor = 100;
var meses = 5;
CalculadorService service = new CalculadorService();
var jurosCalculado = service.CalcularJuros(valor, taxa, meses);
Assert.AreEqual(105.10, jurosCalculado);
}