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.Threading;
+using NUnit.Framework;
+using QuantConnect.Lean.Engine.DataFeeds;
+using QuantConnect.Logging;
+using QuantConnect.Util;
+
+namespace QuantConnect.Tests.Engine.DataFeeds
+{
+    [TestFixture, Explicit("Performance test")]
+    public class RealTimeScheduleEventServiceTests
+    {
+        [Test]
+        public void Accuracy()
+        {
+            using var scheduledEventService = new RealTimeScheduleEventService(RealTimeProvider.Instance);
+            EventHandler handler = (_, __) =>
+            {
+                Log.Trace($"{DateTime.UtcNow:O}");
+
+                var now = DateTime.UtcNow;
+                var nextEventTime = now.RoundDown(TimeSpan.FromSeconds(1)).Add(TimeSpan.FromSeconds(1) + TimeSpan.FromMilliseconds(101));
+                scheduledEventService.ScheduleEvent(nextEventTime - now, now);
+            };
+            scheduledEventService.NewEvent += handler;
+            handler(this, null);
+            Thread.Sleep(5000);
+        }
+    }
+}