diff options
| -rwxr-xr-x | t/t0001-delta.sh | 43 | ||||
| -rw-r--r-- | test-delta.c | 11 |
2 files changed, 52 insertions, 2 deletions
diff --git a/t/t0001-delta.sh b/t/t0001-delta.sh new file mode 100755 index 0000000..2dd88e5 --- /dev/null +++ b/t/t0001-delta.sh @@ -0,0 +1,43 @@ +#!/bin/sh + +test_description='Deltification regression test' + +../test-delta 2>/dev/null +test $? == 127 && { + echo "* Skipping test-delta regression test." + exit 0 +} + +. ./test-lib.sh + +>empty +echo small >small +echo smallish >smallish +cat ../../COPYING >large +sed -e 's/GNU/G.N.U/g' large >largish + +test_expect_success 'No regression in deltify code' \ +' +fail=0 +for src in empty small smallish large largish +do + for dst in empty small smallish large largish + do + if test-delta -d $src $dst delta-$src-$dst && + test-delta -p $src delta-$src-$dst out-$src-$dst && + cmp $dst out-$src-$dst + then + echo "* OK ($src->$dst deitify and apply)" + else + echo "* FAIL ($src->$dst deitify and apply)" + fail=1 + fi + done +done +case "$fail" in +0) (exit 0) ;; +*) (exit $fail) ;; +esac +' + +test_done diff --git a/test-delta.c b/test-delta.c index 1be8ee0..cc05794 100644 --- a/test-delta.c +++ b/test-delta.c @@ -38,7 +38,10 @@ int main(int argc, char *argv[]) return 1; } from_size = st.st_size; - from_buf = mmap(NULL, from_size, PROT_READ, MAP_PRIVATE, fd, 0); + if (from_size) + from_buf = mmap(NULL, from_size, PROT_READ, MAP_PRIVATE, fd, 0); + else + from_buf = ""; if (from_buf == MAP_FAILED) { perror(argv[2]); close(fd); @@ -52,7 +55,11 @@ int main(int argc, char *argv[]) return 1; } data_size = st.st_size; - data_buf = mmap(NULL, data_size, PROT_READ, MAP_PRIVATE, fd, 0); + + if (data_size) + data_buf = mmap(NULL, data_size, PROT_READ, MAP_PRIVATE, fd, 0); + else + data_buf = ""; if (data_buf == MAP_FAILED) { perror(argv[3]); close(fd); |