public void CashflowThrowsWhenDifferentNumberOfIntervals()
{
ICompanyValuator valuator = new CompanyValuator();
var cashflows = new List<Interval> { new Interval() };
var waccs = new List<Interval> { new Interval(), new Interval() };
Assert.Throws<ValuationException>(() => valuator.Cashflow(cashflows, waccs));
}
public void CashflowReturnsProperValueIfEmptyIntervals()
{
ICompanyValuator valuator = new CompanyValuator();
var expectedWaccs = new List<Interval>();
var expectedCashflows = new List<Interval>();
var result = valuator.Cashflow(expectedCashflows, expectedWaccs);
var expectedResult = new Interval(0, 0);
Assert.NotNull(result);
Assert.AreEqual(expectedResult.LowerBound, result.LowerBound);
Assert.AreEqual(expectedResult.UpperBound, result.UpperBound);
}
public void CashflowReturnsProperValue()
{
ICompanyValuator valuator = new CompanyValuator();
var k1 = new Interval(0.040m, 0.050m);
var k2 = new Interval(0.045m, 0.060m);
var k3 = new Interval(0.050m, 0.060m);
var expectedWaccs = new List<Interval> { k1, k2, k3 };
var cfl1 = new Interval(4000, 6000);
var cfl2 = new Interval(3000, 6000);
var cfl3 = new Interval(2000, 5000);
var expectedCashflows = new List<Interval> { cfl1, cfl2, cfl3 };
var result = valuator.Cashflow(expectedCashflows, expectedWaccs);
var expectedResult = new Interval(8359m, 15343m);
Assert.NotNull(result);
Assert.AreEqual(expectedResult.LowerBound, Math.Round(result.LowerBound));
Assert.AreEqual(expectedResult.UpperBound, Math.Round(result.UpperBound));
}
public void CashflowThrowsWhenNullExpectedWaccs()
{
ICompanyValuator valuator = new CompanyValuator();
Assert.Throws<ArgumentNullException>(() => valuator.Cashflow(new List<Interval>(), null));
}
public void CashflowThrowsWhenNullArguments()
{
ICompanyValuator valuator = new CompanyValuator();
Assert.Throws<ArgumentNullException>(() => valuator.Cashflow(null, null));
}