public void DataUrlTests()
{
const string expectedUrl = "http://ichart.finance.yahoo.com/table.csv?s=VFIAX&c=2007";
var downloader = new HistoricalDataDownloader("VFIAX", new DateTime(2007, 01, 01));
Assert.AreEqual(expectedUrl, downloader.DataUrl);
}
private static async Task BridgeToAsync()
{
var downloader = new HistoricalDataDownloader("VFIAX", new DateTime(2007, 01, 01));
var rawContent = await downloader.DownloadHistoricalDataAsync();
var vfiaxHist = new TickerCsvParser(rawContent).Parse();
var queryableHistory = TickerHistory(vfiaxHist);
var startDate = DateTime.UtcNow.AddYears(-1);
var priceOnOrAfterStartDate = queryableHistory.First(pair => pair.Key >= startDate);
Console.WriteLine(priceOnOrAfterStartDate.Key + Environment.NewLine + priceOnOrAfterStartDate.Value.AdjustedClose);
}