public void CheckDividePassTest()
{
double div1 = 50.0;
double div2 = 0.0;
double expectedResult = Single.NaN;
double actualResult = calc.Divide(div1, div2);
Assert.IsNaN(expectedResult, "division by zero is not allowed", actualResult);
}
public void FundsTransfer_DebitIsNotPresentAndFundsAreGreaterThanBalance_ReturnsDoubleNaN()
{
//Arrange
var bank = new BankAccount(5, false);
//Act
var tmp = bank.fundsTransfer(6);
//Assert
Assert.IsNaN(tmp);
}