public void GivenAportionToReduceGreaterThanZeroItShouldBeValid()
        {
            var table = new MonthlyTableIRRF(1000, 2000, 1, 10);

            Assert.IsTrue(table.IsValid());
        }
        public void GivenAPortionToReduceLowerThanZeroItShouldReturnAnError()
        {
            var table = new MonthlyTableIRRF(1000, 2000, 1, -1);

            Assert.IsFalse(table.IsValid());
        }
        public void GivenAnAliquotGreaterThanZeroItShouldBeValid()
        {
            var table = new MonthlyTableIRRF(1000, 2000, 1, 0);

            Assert.IsTrue(table.IsValid());
        }
        public void GivenAnAliquotLowerThanZeroItShouldReturnAnError()
        {
            var table = new MonthlyTableIRRF(1000, 2000, -1, 0);

            Assert.IsFalse(table.IsValid());
        }
        public void GivenACalculateBasisInicialLowerThanCalculateBasisEndItShouldBeValid()
        {
            var table = new MonthlyTableIRRF(1000, 2000, 0, 0);

            Assert.IsTrue(table.IsValid());
        }
        public void GivenACalculateBasisInicialGreaterThanCalculateBasisEndItShouldReturnAnError()
        {
            var table = new MonthlyTableIRRF(2000, 1000, 0, 0);

            Assert.IsFalse(table.IsValid());
        }