public void UpdateClosingPricesUpdateExistingEntries()
{
var priceHistory = new StockPriceHistory(Guid.NewGuid());
priceHistory.UpdateClosingPrice(new Date(2000, 01, 01), 1.00m);
priceHistory.UpdateClosingPrice(new Date(2000, 01, 03), 3.00m);
priceHistory.UpdateClosingPrice(new Date(2000, 01, 05), 5.00m);
var prices = new StockPrice[]
{
new StockPrice(new Date(2000, 01, 03), 10.00m),
new StockPrice(new Date(2000, 01, 05), 20.00m)
};
priceHistory.UpdateClosingPrices(prices);
var result = priceHistory.GetPrices(new DateRange(Date.MinValue, Date.MaxValue)).ToList();
result.Should().Equal(new[]
{
new StockPrice(new Date(2000, 01, 01), 1.00m),
new StockPrice(new Date(2000, 01, 03), 10.00m),
new StockPrice(new Date(2000, 01, 05), 20.00m)
});
}
public void GetPricesEmptyList()
{
var priceHistory = new StockPriceHistory(Guid.NewGuid());
var result = priceHistory.GetPrices(new DateRange(new Date(1999, 02, 01), new Date(2000, 06, 01))).ToList();
result.Should().BeEmpty();
}
public void GetPricesWhollyAfter()
{
var priceHistory = new StockPriceHistory(Guid.NewGuid());
priceHistory.UpdateClosingPrice(new Date(2000, 01, 01), 1.00m);
priceHistory.UpdateClosingPrice(new Date(2000, 01, 03), 3.00m);
priceHistory.UpdateClosingPrice(new Date(2000, 01, 05), 5.00m);
priceHistory.UpdateClosingPrice(new Date(2000, 01, 07), 7.00m);
priceHistory.UpdateClosingPrice(new Date(2000, 01, 09), 9.00m);
priceHistory.UpdateClosingPrice(new Date(2000, 01, 11), 11.00m);
var result = priceHistory.GetPrices(new DateRange(new Date(2001, 01, 01), new Date(2001, 01, 10))).ToList();
result.Should().BeEmpty();
}
public void GetPricesStartBeforeFirstEntryAndEndMatches()
{
var priceHistory = new StockPriceHistory(Guid.NewGuid());
priceHistory.UpdateClosingPrice(new Date(2000, 01, 01), 1.00m);
priceHistory.UpdateClosingPrice(new Date(2000, 01, 03), 3.00m);
priceHistory.UpdateClosingPrice(new Date(2000, 01, 05), 5.00m);
priceHistory.UpdateClosingPrice(new Date(2000, 01, 07), 7.00m);
priceHistory.UpdateClosingPrice(new Date(2000, 01, 09), 9.00m);
priceHistory.UpdateClosingPrice(new Date(2000, 01, 11), 11.00m);
var result = priceHistory.GetPrices(new DateRange(new Date(1999, 01, 03), new Date(2000, 01, 05))).ToList();
result.Should().Equal(new[]
{
new StockPrice(new Date(2000, 01, 01), 1.00m),
new StockPrice(new Date(2000, 01, 03), 3.00m),
new StockPrice(new Date(2000, 01, 05), 5.00m)
});
}