public void CalculateXIRRShouldReturnNoValueForBadDoubleNegativeCashflows()
{
var service = new InterestRateCalculatorService();
var irr = service.CalculateXIRR(_badDoubleNegative, Tolerance, MaxIters);
irr.Kind.Should().Be(ApproximateResultKind.NoSolutionWithinTolerance);
}
public void CalculateXIRRShouldReturnNoValueForSameDayButDifferentCashflows()
{
var service = new InterestRateCalculatorService();
var irr = service.CalculateXIRR(_samedaydifferentcfs, Tolerance, MaxIters);
irr.Kind.Should().Be(ApproximateResultKind.NoSolutionWithinTolerance);
}
public void CalculateXIRRShouldReturnCorrectValueForDoubleNegativeCashflows()
{
var service = new InterestRateCalculatorService();
var irr = service.CalculateXIRR(_doubleNegative, Tolerance, MaxIters);
irr.Value.Should().BeApproximately(-0.537055, 0.001);
irr.Kind.Should().Be(ApproximateResultKind.ApproximateSolution);
}
public void CalculateXIRRShouldReturnCorrectValueForBigRateCashflows()
{
var service = new InterestRateCalculatorService();
var irr = service.CalculateXIRR(_bigratecfs, Tolerance, MaxIters);
irr.Value.Should().BeApproximately(4.40140, 0.001);
irr.Kind.Should().Be(ApproximateResultKind.ApproximateSolution);
}