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
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+/*
+ * 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 System;
+using System.Linq;
+using NUnit.Framework;
+using QuantConnect.Data;
+
+namespace QuantConnect.Tests.Common.Data
+{
+    [TestFixture]
+    public class BaseDataTests
+    {
+        [Test]
+        public void IsSparseData_ReturnsTrue_WhenSecurityTypeIsBase()
+        {
+            var baseData = new DataType {Symbol = Symbol.Create("ticker", SecurityType.Base, QuantConnect.Market.USA)};
+            Assert.IsTrue(baseData.IsSparseData());
+        }
+
+        [Test]
+        public void IsSparseData_ReturnsFalse_WhenSecurityTypeIsNotBase()
+        {
+            var securityTypes = Enum.GetValues(typeof(SecurityType))
+                .Cast<SecurityType>()
+                .Where(type => type != SecurityType.Base);
+
+            foreach (var securityType in securityTypes)
+            {
+                var baseData = new DataType();
+
+                try { baseData.Symbol = Symbol.Create("ticker", securityType, QuantConnect.Market.USA); }
+                catch (NotImplementedException) { continue; }
+
+                Assert.IsFalse(baseData.IsSparseData(), securityType.ToString());
+            }
+        }
+
+        private class DataType : BaseData { }
+    }
+}