public void CoinValueServiceReturnsCorrectValueForMinAndMaxEntries()
{
ICurrency currency = new USDCurrency();
ICoinValueService coinService = new CoinValueService(currency);
CurrencyItem firstCoin = currency.GetItems()[0];
CoinValueViewModel coin;
//Max weight
coin = coinService.GetCoinValue(firstCoin.MaxWeight, AverageBetweenTwoValues(firstCoin.MinSize, firstCoin.MaxSize));
Assert.True(coin.IsValidCoin);
Assert.True(coin.CoinValue == firstCoin.Value);
//Min weight
coin = coinService.GetCoinValue(firstCoin.MinWeight, AverageBetweenTwoValues(firstCoin.MinSize, firstCoin.MaxSize));
Assert.True(coin.IsValidCoin);
Assert.True(coin.CoinValue == firstCoin.Value);
//Max size
coin = coinService.GetCoinValue(AverageBetweenTwoValues(firstCoin.MaxWeight, firstCoin.MinWeight), firstCoin.MaxSize);
Assert.True(coin.IsValidCoin);
Assert.True(coin.CoinValue == firstCoin.Value);
//Min size
coin = coinService.GetCoinValue(AverageBetweenTwoValues(firstCoin.MaxWeight, firstCoin.MinWeight), firstCoin.MinSize);
Assert.True(coin.IsValidCoin);
Assert.True(coin.CoinValue == firstCoin.Value);
}
public void AreCurrencyItemsChecksValid()
{
USDCurrency usd = new USDCurrency();
List <CurrencyItem> currencyItems = usd.GetItems();
foreach (CurrencyItem currencyItem in currencyItems)
{
foreach (CurrencyItem checkItem in currencyItems)
{
//If the items match, move on.
if (currencyItem == checkItem)
{
continue;
}
if (currencyItem.MaxWeight < checkItem.MinWeight)
{
//checkItem has to be heavier than currencyItem
//Which means they cannot be mistaken
continue;
}
if (currencyItem.MinWeight > checkItem.MaxWeight)
{
//checkItem has to be lighter than currencyItem
//Which means they cannot be mistaken
continue;
}
if (currencyItem.MaxSize < checkItem.MinSize)
{
//checkItem has to be larger than currency item
//Which means they cannot be mistaken
continue;
}
if (currencyItem.MinSize > checkItem.MaxSize)
{
//checkItem has to be smaller than currency item
//Which means they cannot be mistaken
continue;
}
//Items can be mistaken.
string message = string.Format("Currency of value {0} and currency of value {1} can be mistaken for each other.", currencyItem.Value, checkItem.Value);
Assert.True(false, message);
}
}
}
public void AreCurrencyItemsValid()
{
USDCurrency usd = new USDCurrency();
List <CurrencyItem> currencyItems = usd.GetItems();
foreach (CurrencyItem item in currencyItems)
{
Assert.True(item.MaxWeight > item.MinWeight,
string.Format("Items MaxWeight is smaller than it's MinWeight, MinWeight {0}, MaxWeight {1} for value {2}", item.MinWeight, item.MaxWeight, item.Value));
Assert.True(item.MaxSize > item.MinSize,
string.Format("Items MaxSize is smaller than it's MinSize, MinSize {0}, MaxSize {1} for value {2}", item.MinSize, item.MaxSize, item.Value));
}
}
