chore: import upstream snapshot with attribution

2026-07-13 13:02:50 +08:00
commit 0fc60fdcb1
5008 changed files with 910633 additions and 0 deletions
@@ -0,0 +1,37 @@
+using System;
+using NUnit.Framework;
+using QuantConnect.Data;
+using QuantConnect.Data.Market;
+using QuantConnect.Indicators;
+
+namespace QuantConnect.Tests.Indicators
+{
+    [TestFixture]
+    class SchaffTrendCycleTests : CommonIndicatorTests<IndicatorDataPoint>
+    {
+        protected override IndicatorBase<IndicatorDataPoint> CreateIndicator()
+        {
+            return new SchaffTrendCycle();
+        }
+
+        protected override string TestFileName
+        {
+            get { return "spy_stc.txt"; }
+        }
+
+        protected override string TestColumnName
+        {
+            get { return "STC"; }
+        }
+
+        /// <summary>
+        /// Returns a custom assertion function, parameters are the indicator and the expected value from the file
+        /// This overwrites the virtual function to allow a +/- 1 variance since this indicator is highly sensitive with
+        /// a chain of EMAs and Stochastics calculation.
+        /// </summary>
+        protected override Action<IndicatorBase<IndicatorDataPoint>, double> Assertion
+        {
+            get { return (indicator, expected) => Assert.AreEqual(expected, (double)indicator.Current.Value, 1); }
+        }
+    }
+}