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 +1,73 @@
+/*
+ * 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.Threading;
+using NUnit.Framework;
+using QuantConnect.Util;
+
+namespace QuantConnect.Tests.Common.Util
+{
+    [TestFixture]
+    public class ReaderWriterLockSlimExtensionsTests
+    {
+        [Test]
+        public void EntersReadLock()
+        {
+            var slim = new ReaderWriterLockSlim();
+
+            var token = slim.Read();
+
+            Assert.IsTrue(slim.IsReadLockHeld);
+            slim.ExitReadLock();
+
+            slim.Dispose();
+        }
+        [Test]
+        public void ExitsReadLock()
+        {
+            var slim = new ReaderWriterLockSlim();
+
+            var token = slim.Read();
+            token.Dispose();
+            Assert.IsFalse(slim.IsReadLockHeld);
+
+            slim.Dispose();
+        }
+
+        [Test]
+        public void EntersWriteLock()
+        {
+            var slim = new ReaderWriterLockSlim();
+
+            var token = slim.Write();
+            Assert.IsTrue(slim.IsWriteLockHeld);
+            slim.ExitWriteLock();
+
+            slim.Dispose();
+        }
+        [Test]
+        public void ExitsWriteLock()
+        {
+            var slim = new ReaderWriterLockSlim();
+
+            var token = slim.Read();
+            token.Dispose();
+            Assert.IsFalse(slim.IsReadLockHeld);
+
+            slim.Dispose();
+        }
+    }
+}