Some versions of 'tr' only accept octal codes if entered with three digits,
and therefor misinterpret the '\0' in the test suite.
Some versions of 'tr' reject the (needless) use of character classes.
Signed-off-by: H.Merijn Brand <h.m.brand@xs4all.nl>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
test to hash a large buffer in one go is more important than
hashing large amount of data in small fixed chunks.
Signed-off-by: Junio C Hamano <junkio@cox.net>