public void TestGetCardBalance()
{
//Arrange
const decimal balance = 100500;
_cardProcessor.GetCardBalance().Returns(balance);
//Act
var result = _atMachine.GetCardBalance();
//Assert
_cardProcessor.Received(1).GetCardBalance();
Assert.Equal(balance, result);
}
/// <summary>Retrieves the balance available on the card</summary>
public decimal GetCardBalance()
{
return(_cardProcessor.GetCardBalance());
}