public void Simple_Interest_Method_should_return_actual_result()
{
double principalAmount = 1000;
int year = 3;
double rate = 2;
var maths = A.Fake <IMaths>();
A.CallTo(() => maths
.Multiply(A <double> ._, A <double> ._, A <double> ._)
)
.Returns(60);
A.CallTo(() => maths
.Divide(A <double> ._, A <double> ._)
)
.Returns(0.02);
Simpleinterest s = new Simpleinterest(maths);
double result = s.GetInterest(principalAmount, year, rate);
result += principalAmount;
double ActualResult = 1060;
Assert.AreEqual(result, ActualResult);
}
public void Simple_Interest_Method_should_throw_DivideByZeroException()
{
double principalAmount = 1000;
int year = 3;
double rate = 0;
var maths = A.Fake <IMaths>();
A.CallTo(() => maths
.Multiply(A <double> ._, A <double> ._, A <double> ._)
)
.Returns(60);
A.CallTo(() => maths
.Divide(A <double> .Ignored, A <double> .Ignored)
)
.Throws(() => new DivideByZeroException());
Simpleinterest s = new Simpleinterest(maths);
double result = s.GetInterest(principalAmount, year, rate);
result += principalAmount;
}
