public void GivenMarketPriceCalculateProfitToEarningsRatio()
{
var stock = TestData.GetTestCommonStock();
var stockManager = new StockService();
const double marketPrice = 926;
const double lastDividend = 2;
const double expectedValue = marketPrice / lastDividend;
var actualValue = stockManager.CalculateProfitToEarningsRatio(stock, marketPrice);
Assert.AreEqual(expectedValue, actualValue);
}
public void GivenZeroLastDividendCalculateProfitToEarningsRatioReturnNull()
{
var stock = TestData.GetTestCommonStock();
stock.LastDividend = 0;
var stockManager = new StockService();
const double marketPrice = 100;
double? expected = null;
var actual = stockManager.CalculateProfitToEarningsRatio(stock, marketPrice);
Assert.AreEqual(expected, actual);
}
