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2026-07-13 13:02:50 +08:00

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C#

/*
* QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
* Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
using NUnit.Framework;
using QuantConnect.Indicators;
using System;
namespace QuantConnect.Tests.Indicators
{
[TestFixture]
public class RateOfChangeTests : CommonIndicatorTests<IndicatorDataPoint>
{
protected override IndicatorBase<IndicatorDataPoint> CreateIndicator()
{
return new RateOfChange(50);
}
protected override string TestFileName => "spy_with_rocp50.txt";
protected override string TestColumnName => "Rate of Change % 50";
protected override Action<IndicatorBase<IndicatorDataPoint>, double> Assertion =>
(indicator, expected) =>
Assert.AreEqual(expected, (double) indicator.Current.Value * 100, 1e-3);
/// <summary>
/// Test for issue #5491
/// </summary>
[Test]
public void IndicatorValueIsNotZeroWhenReady()
{
var indicator = new RateOfChange(1);
var time = DateTime.Now;
for (int i = 1; i <= indicator.WarmUpPeriod; i++)
{
indicator.Update(time, i);
time = time.AddSeconds(1);
Assert.AreEqual(i == indicator.WarmUpPeriod, indicator.IsReady);
}
Assert.IsTrue(indicator.Current > 0);
}
}
}