mirror of
https://github.com/git/git
synced 2024-10-30 04:01:21 +00:00
330ca8501b
Fix a memory leak in "test-tool test-hash" which has been there since
b57cbbf8a8 (test-sha1: test hashing large buffer, 2006-06-24), as a
result we can mark more tests as passing with SANITIZE=leak using
"TEST_PASSES_SANITIZE_LEAK=true".
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
83 lines
2.3 KiB
Bash
Executable file
83 lines
2.3 KiB
Bash
Executable file
#!/bin/sh
|
|
|
|
test_description='handling of duplicate objects in incoming packfiles'
|
|
|
|
TEST_PASSES_SANITIZE_LEAK=true
|
|
. ./test-lib.sh
|
|
. "$TEST_DIRECTORY"/lib-pack.sh
|
|
|
|
test_expect_success 'setup' '
|
|
test_oid_cache <<-EOF
|
|
lo_oid sha1:e68fe8129b546b101aee9510c5328e7f21ca1d18
|
|
lo_oid sha256:471819e8c52bf11513f100b2810a8aa0622d5cd3d1c913758a071dd4b3bad8fe
|
|
|
|
missing_oid sha1:e69d000000000000000000000000000000000000
|
|
missing_oid sha256:4720000000000000000000000000000000000000000000000000000000000000
|
|
EOF
|
|
'
|
|
|
|
# The sha1s we have in our pack. It's important that these have the same
|
|
# starting byte, so that they end up in the same fanout section of the index.
|
|
# That lets us make sure we are exercising the binary search with both sets.
|
|
LO_SHA1=$(test_oid lo_oid)
|
|
HI_SHA1=$EMPTY_BLOB
|
|
|
|
# And here's a "missing sha1" which will produce failed lookups. It must also
|
|
# be in the same fanout section, and should be between the two (so that during
|
|
# our binary search, we are sure to end up looking at one or the other of the
|
|
# duplicate runs).
|
|
MISSING_SHA1=$(test_oid missing_oid)
|
|
|
|
# git will never intentionally create packfiles with
|
|
# duplicate objects, so we have to construct them by hand.
|
|
#
|
|
# $1 is the name of the packfile to create
|
|
#
|
|
# $2 is the number of times to duplicate each object
|
|
create_pack () {
|
|
pack_header "$((2 * $2))" >"$1" &&
|
|
for i in $(test_seq 1 "$2"); do
|
|
pack_obj $LO_SHA1 &&
|
|
pack_obj $HI_SHA1
|
|
done >>"$1" &&
|
|
pack_trailer "$1"
|
|
}
|
|
|
|
# double-check that create_pack actually works
|
|
test_expect_success 'pack with no duplicates' '
|
|
create_pack no-dups.pack 1 &&
|
|
git index-pack --stdin <no-dups.pack
|
|
'
|
|
|
|
test_expect_success 'index-pack will allow duplicate objects by default' '
|
|
clear_packs &&
|
|
create_pack dups.pack 100 &&
|
|
git index-pack --stdin <dups.pack
|
|
'
|
|
|
|
test_expect_success 'create batch-check test vectors' '
|
|
cat >input <<-EOF &&
|
|
$LO_SHA1
|
|
$HI_SHA1
|
|
$MISSING_SHA1
|
|
EOF
|
|
cat >expect <<-EOF
|
|
$LO_SHA1 blob 2
|
|
$HI_SHA1 blob 0
|
|
$MISSING_SHA1 missing
|
|
EOF
|
|
'
|
|
|
|
test_expect_success 'lookup in duplicated pack' '
|
|
git cat-file --batch-check <input >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'index-pack can reject packs with duplicates' '
|
|
clear_packs &&
|
|
create_pack dups.pack 2 &&
|
|
test_must_fail git index-pack --strict --stdin <dups.pack &&
|
|
test_expect_code 1 git cat-file -e $LO_SHA1
|
|
'
|
|
|
|
test_done
|