public void N_IsCalculatedCorrectly(double m, double p, double k0, double e, double kn, double expectedN)
{
const double localTolerance = 0.01;
var n = FinancialCalculation.N(kn, k0, e, p, m);
Assert.True(Math.Abs(n - expectedN) < localTolerance);
}
public void K0_IsCalculatedCorrectly(double m, double n, double p, double e, double kn, double expectedK0)
{
const double localTolerance = 0.01;
var k0 = FinancialCalculation.K0(kn, e, p, n, m);
Assert.True(Math.Abs(k0 - expectedK0) < localTolerance);
}
public void E_IsCalculatedCorrectly(bool advance, double m, double n, double p, double k0, double kn, double expectedE)
{
const double localTolerance = 0.01;
var e = FinancialCalculation.E(kn, k0, p, n, m, advance);
Assert.True(Math.Abs(e - expectedE) < localTolerance);
}
[InlineData(12, 5.3660387, -10000, -550, 1000000, 39.78)] // --+
public void NAdvance_IsCalculatedCorrectly_PermutationOfRealNumbers(double m, double p, double k0, double e, double kn, double expectedN)
{
const double localTolerance = 0.01;
var n = FinancialCalculation.N(kn, k0, e, p, m, true);
Assert.True(Math.Abs(n - expectedN) < localTolerance);
}
public void Kn_IsCalculatedCorrectly(double m, double n, double p, double k0, double e, double expectedKn)
{
const double localTolerance = 0.01;
var finalCapital = FinancialCalculation.Kn(k0, e, p, n, m);
Assert.True(Math.Abs(finalCapital - expectedKn) < localTolerance);
}
public void P_IsCalculatedCorrectly(double m, double n, double k0, double e, double kn, double expectedP)
{
kn *= -1;
const double localTolerance = 0.001;
var pNom = FinancialCalculation.P(kn, k0, e, n, m);
var pEff = FinancialCalculation.GetEffectiveInterestRate(pNom, m);
Assert.True(Math.Abs(pEff - expectedP) < localTolerance);
}
public void RepaymentRateIsCalculatedCorrectly(double m, double k0, double p, double e, double expectedRepaymentRate)
{
var repaymentRate = FinancialCalculation.GetRepaymentRate(k0, p, m, e);
Assert.Equal(repaymentRate, expectedRepaymentRate);
}
public void AnnuityIsCalculatedCorrectly(double m, double k0, double p, double repaymentRate, double expectedE)
{
var annuity = FinancialCalculation.GetAnnuity(k0, repaymentRate, p, m);
Assert.Equal(annuity, expectedE);
}
[InlineData(12, 5.3660387, -10000, -550, -1000000)] // ---
public void NAdvance_IsCalculatedCorrectly_PermutationOfNan(double m, double p, double k0, double e, double kn)
{
var n = FinancialCalculation.N(kn, k0, e, p, m);
Assert.True(double.IsNaN(n));
}
public void YearlyNominalInterestRateIsCalculatedCorrectly(double m, double effectiveInterestRate, double expectedP)
{
var p = FinancialCalculation.GetYearlyNominalInterestRate(m, effectiveInterestRate);
Assert.Equal(Math.Round(p, 3), expectedP);
}
public void EffectiveInterestRateIsCalculatedCorrectly(double m, double p, double expectedEffectiveInterestRate)
{
var effectiveInterestRate = FinancialCalculation.GetEffectiveInterestRate(p, m);
Assert.Equal(Math.Round(effectiveInterestRate, 3), expectedEffectiveInterestRate);
}
