public void ComputesCorrectly()
{
var wilr = new WilliamsPercentR(14);
TestHelper.TestIndicator(wilr, "spy_with_williamsR14.txt", "Williams %R 14", (ind, expected) =>
((double)ind.Current.Price).Should().BeApproximately(expected, 1e-3));
}
/// <summary>
/// Creates a new Williams %R indicator. This will compute the percentage change of
/// the current closing price in relation to the high and low of the past N periods.
/// The indicator will be automatically updated on the given resolution.
/// </summary>
/// <param name="symbol">The symbol whose Williams %R we want</param>
/// <param name="period">The period over which to compute the Williams %R</param>
/// <param name="resolution">The resolution</param>
/// <param name="selector">Selects a value from the BaseData to send into the indicator, if null defaults to the Value property of BaseData (x => x.Value)</param>
/// <returns>The rateofchangepercent indicator for the requested symbol over the specified period</returns>
public WilliamsPercentR WILR(string symbol, int period, Resolution?resolution = null, Func <BaseData, TradeBar> selector = null)
{
string name = CreateIndicatorName(symbol, "WILR" + period, resolution);
var williamspercentr = new WilliamsPercentR(name, period);
RegisterIndicator(symbol, williamspercentr, resolution, selector);
return(williamspercentr);
}
public void ResetsProperly()
{
var wilr = new WilliamsPercentR(14);
foreach (var data in TestHelper.GetTradeBarStream("spy_with_williamsR14.txt", false))
{
wilr.Update(data);
}
Assert.True(wilr.IsReady);
wilr.Reset();
TestHelper.AssertIndicatorIsInDefaultState(wilr);
}
public void ComputesCorrectly()
{
var wilr = new WilliamsPercentR(14);
TestHelper.TestIndicator(wilr, "spy_with_williamsR14.txt", "Williams %R 14", (ind, expected) => Assert.AreEqual(expected, (double)ind.Current.Value, 1e-3));
}
