Lucene.Net.Store.MockDirectoryWrapper.Sync C# (CSharp) Method

        public override void Sync(ICollection<string> names)
        {
            lock (this)
            {
                MaybeYield();
                MaybeThrowDeterministicException();
                if (Crashed)
                {
                    throw new System.IO.IOException("cannot sync after crash");
                }
                // don't wear out our hardware so much in tests.
                if (LuceneTestCase.Rarely(RandomState) || MustSync())
                {
                    foreach (string name in names)
                    {
                        // randomly fail with IOE on any file
                        MaybeThrowIOException(name);
                        @in.Sync(new[] { name });
                        UnSyncedFiles.Remove(name);
                    }
                }
                else
                {
                    UnSyncedFiles.RemoveAll(names);
                }
            }
        }