public void WhenAddCoin_CoinShouldBeAdded()
{
ICoinCollection coinCollection = Mocker.CreateInstance <CoinCollection>();
ICoin coin = new Nickle();
coinCollection.AddCoin(coin);
coinCollection.Should().BeEquivalentTo(new [] { coin });
}
public void Update(ICoinCollection coinCollection)
{
var coinTotal = coinCollection.GetCoinTotal();
if (coinTotal == 0)
{
Display = Strings.InsertCoin;
}
else
{
var dollars = ConvertCentsToDollars(coinTotal);
Display = string.Format(Strings.DisplayCoinTotal, dollars);
}
_displayWriter.Write(Display);
}
