public static FakeFileSystemBuilder WithEmptyFilesInTempDirectory([NotNull] this FakeFileSystemBuilder builder, [NotNull] string tempDirectory, int indexToExclude = -1) { builder.WithTempDirectory(tempDirectory); for (int index = 0; index <= 0xFFFF; index++) { if (index != indexToExclude) { string path = Path.Combine(tempDirectory, "tmp" + index.ToString("X") + ".tmp"); builder.IncludingEmptyFile(path); } } return(builder); }