git/t/t5309-pack-delta-cycles.sh
Ævar Arnfjörð Bjarmason 330ca8501b test-tool test-hash: fix a memory leak
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>
2022-07-01 13:38:49 -07:00

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#!/bin/sh
test_description='test index-pack handling of delta cycles in packfiles'
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-pack.sh
# Two similar-ish objects that we have computed deltas between.
A=$(test_oid packlib_7_0)
B=$(test_oid packlib_7_76)
# double-check our hand-constucted packs
test_expect_success 'index-pack works with a single delta (A->B)' '
clear_packs &&
{
pack_header 2 &&
pack_obj $A $B &&
pack_obj $B
} >ab.pack &&
pack_trailer ab.pack &&
git index-pack --stdin <ab.pack &&
git cat-file -t $A &&
git cat-file -t $B
'
test_expect_success 'index-pack works with a single delta (B->A)' '
clear_packs &&
{
pack_header 2 &&
pack_obj $A &&
pack_obj $B $A
} >ba.pack &&
pack_trailer ba.pack &&
git index-pack --stdin <ba.pack &&
git cat-file -t $A &&
git cat-file -t $B
'
test_expect_success 'index-pack detects missing base objects' '
clear_packs &&
{
pack_header 1 &&
pack_obj $A $B
} >missing.pack &&
pack_trailer missing.pack &&
test_must_fail git index-pack --fix-thin --stdin <missing.pack
'
test_expect_success 'index-pack detects REF_DELTA cycles' '
clear_packs &&
{
pack_header 2 &&
pack_obj $A $B &&
pack_obj $B $A
} >cycle.pack &&
pack_trailer cycle.pack &&
test_must_fail git index-pack --fix-thin --stdin <cycle.pack
'
test_expect_success 'failover to an object in another pack' '
clear_packs &&
git index-pack --stdin <ab.pack &&
test_must_fail git index-pack --stdin --fix-thin <cycle.pack
'
test_expect_success 'failover to a duplicate object in the same pack' '
clear_packs &&
{
pack_header 3 &&
pack_obj $A $B &&
pack_obj $B $A &&
pack_obj $A
} >recoverable.pack &&
pack_trailer recoverable.pack &&
test_must_fail git index-pack --fix-thin --stdin <recoverable.pack
'
test_done