public decimal CalculateCorrectMonthlyRepayment_Param_Reture_Data(decimal principal,
decimal interestRate,
int termYears)
{
var sut = new LoanRepaymentCalculator();
return(sut.CalculatorMonthlyRepayment(
new LoanAmount("USD", principal), interestRate, new LoanTerm(termYears)));
}
public void CalculateCorrectMonthlyRepayment_Range(
[Range(50000, 10000000, 50000)] decimal principal,
[Range(0.5, 20, 0.5)] decimal interestRate,
[Values(10, 20, 30)] int termYears)
{
// 2400种
var sut = new LoanRepaymentCalculator();
var monthlyPayment = sut.CalculatorMonthlyRepayment(
new LoanAmount("USD", principal), interestRate, new LoanTerm(termYears));
}
public void CalculateCorrectMonthlyRepayment_Combinatorial(
[Values(10000, 20000, 30000)] decimal principal,
[Values(6.5, 10, 20)] decimal interestRate,
[Values(10, 20, 30)] int termYears)
{
// 27种结果
var sut = new LoanRepaymentCalculator();
var monthlyPayment = sut.CalculatorMonthlyRepayment(
new LoanAmount("USD", principal), interestRate, new LoanTerm(termYears));
}
public void CalculateCorrectMonthlyRepayment_Param_CsvData(decimal principal,
decimal interestRate,
int termYears,
decimal expectedMontlyPayment)
{
var sut = new LoanRepaymentCalculator();
var monthlyPayment = sut.CalculatorMonthlyRepayment(
new LoanAmount("USD", principal), interestRate, new LoanTerm(termYears));
Assert.That(monthlyPayment, Is.EqualTo(expectedMontlyPayment));
}
public void CalculateCorrectMonthlyRepayment_Sequential(
[Values(10000, 20000, 30000)] decimal principal,
[Values(6.5, 10, 20)] decimal interestRate,
[Values(10, 20, 30)] int termYears,
[Values(390000, 390000, 390000)] decimal expectedMontlyPayment)
{
// 3中结果
var sut = new LoanRepaymentCalculator();
var monthlyPayment = sut.CalculatorMonthlyRepayment(
new LoanAmount("USD", principal), interestRate, new LoanTerm(termYears));
Assert.That(monthlyPayment, Is.EqualTo(expectedMontlyPayment));
}
