diff options
| -rw-r--r-- | Makefile | 6 | ||||
| -rw-r--r-- | test-sha1.c | 24 | ||||
| -rwxr-xr-x | test-sha1.sh | 83 |
3 files changed, 113 insertions, 0 deletions
@@ -636,6 +636,12 @@ test-delta$X: test-delta.c diff-delta.o patch-delta.o test-dump-cache-tree$X: dump-cache-tree.o $(GITLIBS) $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS) +test-sha1$X: test-sha1.o $(GITLIBS) + $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS) + +check-sha1:: test-sha1$X + ./test-sha1.sh + check: for i in *.c; do sparse $(ALL_CFLAGS) $(SPARSE_FLAGS) $$i || exit; done diff --git a/test-sha1.c b/test-sha1.c new file mode 100644 index 000000000..2efc315ee --- /dev/null +++ b/test-sha1.c @@ -0,0 +1,24 @@ +#include "cache.h" + +int main(int ac, char **av) +{ + SHA_CTX ctx; + unsigned char sha1[20]; + + SHA1_Init(&ctx); + + while (1) { + ssize_t sz; + char buffer[8192]; + sz = xread(0, buffer, sizeof(buffer)); + if (sz == 0) + break; + if (sz < 0) + die("test-sha1: %s", strerror(errno)); + SHA1_Update(&ctx, buffer, sz); + } + SHA1_Final(sha1, &ctx); + puts(sha1_to_hex(sha1)); + exit(0); +} + diff --git a/test-sha1.sh b/test-sha1.sh new file mode 100755 index 000000000..01bbb5782 --- /dev/null +++ b/test-sha1.sh @@ -0,0 +1,83 @@ +#!/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 + ` + 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 |