de"));     test(S("abcde"), 0, 0, "00000", S("ab00000de"));     test(S("abcde"), 0, 0, "0000000000", S("ab0000000000de"));     test(S("abcde"), 0, 0, "00000000000000000000", S("ab00000000000000000000de"));     test(S("abcde"), 0, 0, "", S("a