DirectoryWatcherBase - CreateAndDispose

projects/DirectoryWatcherSample/DirectoryWatcherSample.Core/DirectoryWatcherBase.cs

@@ -0,0 +1,30 @@
+// <copyright file="DirectoryWatcherBase.cs" company="Brian Rogers">
+// Copyright (c) Brian Rogers. All rights reserved.
+// </copyright>
+
+namespace DirectoryWatcherSample
+{
+    using System;
+    using System.IO;
+
+    public abstract class DirectoryWatcherBase : IDisposable
+    {
+        protected DirectoryWatcherBase(DirectoryInfo path)
+        {
+            if (path == null)
+            {
+                throw new ArgumentNullException(nameof(path));
+            }
+        }
+
+        public void Dispose()
+        {
+            this.Dispose(true);
+            GC.SuppressFinalize(this);
+        }
+
+        protected virtual void Dispose(bool disposing)
+        {
+        }
+    }
+}

projects/DirectoryWatcherSample/DirectoryWatcherSample.Test/DirectoryWatcherBaseTest.cs

@@ -22,14 +22,21 @@ public void CreateNullPath()
             act.Should().Throw<ArgumentNullException>().Which.ParamName.Should().Be("path");
         }
 
-        private sealed class FakeDirectoryWatcher
+        [TestMethod]
+        public void CreateAndDispose()
+        {
+            DirectoryWatcherBase watcher = new FakeDirectoryWatcher(new DirectoryInfo(@"X:\root"));
+
+            Action act = () => watcher.Dispose();
+
+            act.Should().NotThrow();
+        }
+
+        private sealed class FakeDirectoryWatcher : DirectoryWatcherBase
         {
             public FakeDirectoryWatcher(DirectoryInfo path)
+                : base(path)
             {
-                if (path == null)
-                {
-                    throw new ArgumentNullException(nameof(path));
-                }
             }
         }
     }