Exemple #1
0
        public void CorrectInputProducesCorrectOutputUSDCurrency()
        {
            //Create a service with the USD Currency (could mock with more time)
            ICoinValueService service = new CoinValueService(new USDCurrency());

            CoinValueViewModel coinValue = service.GetCoinValue(2.5, 19.05);

            Assert.True(coinValue.IsValidCoin);
            Assert.True(coinValue.CoinValue == 0.01);

            coinValue = service.GetCoinValue(5, 21.209);
            Assert.True(coinValue.IsValidCoin);
            Assert.True(coinValue.CoinValue == 0.05);

            coinValue = service.GetCoinValue(2.268, 17.907);
            Assert.True(coinValue.IsValidCoin);
            Assert.True(coinValue.CoinValue == 0.10);

            coinValue = service.GetCoinValue(5.67, 24.257);
            Assert.True(coinValue.IsValidCoin);
            Assert.True(coinValue.CoinValue == 0.25);

            coinValue = service.GetCoinValue(11.34, 30.607);
            Assert.True(coinValue.IsValidCoin);
            Assert.True(coinValue.CoinValue == 0.50);

            coinValue = service.GetCoinValue(22.68, 38.1);
            Assert.True(coinValue.IsValidCoin);
            Assert.True(coinValue.CoinValue == 1);
        }
Exemple #2
0
        public void IncorrectInputProducesInvalidCoin()
        {
            //Create a service with the USD Currency (could mock with more time)
            ICoinValueService service = new CoinValueService(new USDCurrency());

            CoinValueViewModel coinValue = service.GetCoinValue(0, 0);

            Assert.True(coinValue.IsValidCoin == false);

            coinValue = service.GetCoinValue(-1, 0);
            Assert.True(coinValue.IsValidCoin == false);

            coinValue = service.GetCoinValue(-1, 1);
            Assert.True(coinValue.IsValidCoin == false);

            coinValue = service.GetCoinValue(0, -1);
            Assert.True(coinValue.IsValidCoin == false);

            coinValue = service.GetCoinValue(1, -1);
            Assert.True(coinValue.IsValidCoin == false);

            coinValue = service.GetCoinValue(1, 1);
            Assert.True(coinValue.IsValidCoin == false);

            coinValue = service.GetCoinValue(-1, -1);
            Assert.True(coinValue.IsValidCoin == false);
        }
        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);
        }