public void FileStorage_CreateBlobReturnsNullIfStorageIsFull() { var testDirectory = new DirectoryInfo(Path.Combine(Path.GetTempPath(), Path.GetRandomFileName())); using var storage = new FileStorage(testDirectory.FullName, 10000); PersistentStorageHelper.UpdateDirectorySize(10000); var data = Encoding.UTF8.GetBytes("Hello, World!"); Assert.Null(storage.CreateBlob(data)); testDirectory.Delete(true); }