mirror of
https://github.com/git/git.git
synced 2024-11-05 16:52:59 +01:00
b57cbbf8a8
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>
83 lines
1.9 KiB
Bash
Executable file
83 lines
1.9 KiB
Bash
Executable file
#!/bin/sh
|
|
|
|
dd if=/dev/zero bs=1048576 count=100 2>/dev/null |
|
|
/usr/bin/time ./test-sha1 >/dev/null
|
|
|
|
while read expect cnt pfx
|
|
do
|
|
case "$expect" in '#'*) continue ;; esac
|
|
actual=`
|
|
{
|
|
test -z "$pfx" || echo "$pfx"
|
|
dd if=/dev/zero bs=1048576 count=$cnt 2>/dev/null |
|
|
tr '[\0]' '[g]'
|
|
} | ./test-sha1 $cnt
|
|
`
|
|
if test "$expect" = "$actual"
|
|
then
|
|
echo "OK: $expect $cnt $pfx"
|
|
else
|
|
echo >&2 "OOPS: $cnt"
|
|
echo >&2 "expect: $expect"
|
|
echo >&2 "actual: $actual"
|
|
exit 1
|
|
fi
|
|
done <<EOF
|
|
da39a3ee5e6b4b0d3255bfef95601890afd80709 0
|
|
3f786850e387550fdab836ed7e6dc881de23001b 0 a
|
|
5277cbb45a15902137d332d97e89cf8136545485 0 ab
|
|
03cfd743661f07975fa2f1220c5194cbaff48451 0 abc
|
|
3330b4373640f9e4604991e73c7e86bfd8da2dc3 0 abcd
|
|
ec11312386ad561674f724b8cca7cf1796e26d1d 0 abcde
|
|
bdc37c074ec4ee6050d68bc133c6b912f36474df 0 abcdef
|
|
69bca99b923859f2dc486b55b87f49689b7358c7 0 abcdefg
|
|
e414af7161c9554089f4106d6f1797ef14a73666 0 abcdefgh
|
|
0707f2970043f9f7c22029482db27733deaec029 0 abcdefghi
|
|
a4dd8aa74a5636728fe52451636e2e17726033aa 1
|
|
9986b45e2f4d7086372533bb6953a8652fa3644a 1 frotz
|
|
23d8d4f788e8526b4877548a32577543cbaaf51f 10
|
|
8cd23f822ab44c7f481b8c92d591f6d1fcad431c 10 frotz
|
|
f3b5604a4e604899c1233edb3bf1cc0ede4d8c32 512
|
|
b095bd837a371593048136e429e9ac4b476e1bb3 512 frotz
|
|
08fa81d6190948de5ccca3966340cc48c10cceac 1200 xyzzy
|
|
e33a291f42c30a159733dd98b8b3e4ff34158ca0 4090 4G
|
|
#a3bf783bc20caa958f6cb24dd140a7b21984838d 9999 nitfol
|
|
EOF
|
|
|
|
exit
|
|
|
|
# generating test vectors
|
|
# inputs are number of megabytes followed by some random string to prefix.
|
|
|
|
while read cnt pfx
|
|
do
|
|
actual=`
|
|
{
|
|
test -z "$pfx" || echo "$pfx"
|
|
dd if=/dev/zero bs=1048576 count=$cnt 2>/dev/null |
|
|
tr '[\0]' '[g]'
|
|
} | sha1sum |
|
|
sed -e 's/ .*//'
|
|
`
|
|
echo "$actual $cnt $pfx"
|
|
done <<EOF
|
|
0
|
|
0 a
|
|
0 ab
|
|
0 abc
|
|
0 abcd
|
|
0 abcde
|
|
0 abcdef
|
|
0 abcdefg
|
|
0 abcdefgh
|
|
0 abcdefghi
|
|
1
|
|
1 frotz
|
|
10
|
|
10 frotz
|
|
512
|
|
512 frotz
|
|
1200 xyzzy
|
|
4090 4G
|
|
9999 nitfol
|
|
EOF
|