AWSSDK.UnitTests.OptimisticLockedFileTest.FileLockedByThisProcess C# (CSharp) Method

        public void FileLockedByThisProcess()
        {
            using (var tester = new OptimisticLockedTextFileTester(true))
            {
                // start the persist thread
                Thread thread = new Thread(new ThreadStart(() => { tester.TextFile.Persist(); }));
                thread.Start();

                // give it time to open the file
                Thread.Sleep(2000);

                // try something that requires minimal access to the file and make sure the correct exception is thrown
                AssertExtensions.ExpectException(() =>
                {
                    using (File.Open(tester.TextFile.FilePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
                    {
                    }
                }, typeof(IOException), string.Format(FileLockedMessageFormat, tester.TextFile.FilePath));

                // wait for the persist to complete
                thread.Join();
            }
        }