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authorTaylor Blau <me@ttaylorr.com>2023-08-22 00:34:40 +0300
committerJunio C Hamano <gitster@pobox.com>2023-08-22 02:07:34 +0300
commitce7629a315459c12451ee9071db22f8b0e26a4eb (patch)
tree7f5b57d0d9f39491aa9e213c09e44aebc1f0047e /t/t5318-commit-graph.sh
parentcc9c9a00a50dc479ef59c7d2d03d1e3fcc8752a3 (diff)
t/t5318-commit-graph.sh: test generation zero transitions during fsck
The second test called "detect incorrect generation number" asserts that we correctly warn during an fsck when we see a non-zero generation number after seeing a zero beforehand. The other transition (going from non-zero to zero) was previously untested. Test both directions, and rename the existing test to make clear which direction it is exercising. Signed-off-by: Taylor Blau <me@ttaylorr.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 't/t5318-commit-graph.sh')
-rwxr-xr-xt/t5318-commit-graph.sh18
1 files changed, 12 insertions, 6 deletions
diff --git a/t/t5318-commit-graph.sh b/t/t5318-commit-graph.sh
index 4e70820c74..8e96471b34 100755
--- a/t/t5318-commit-graph.sh
+++ b/t/t5318-commit-graph.sh
@@ -450,14 +450,15 @@ GRAPH_BYTE_FANOUT2=$(($GRAPH_FANOUT_OFFSET + 4 * 255))
GRAPH_OID_LOOKUP_OFFSET=$(($GRAPH_FANOUT_OFFSET + 4 * 256))
GRAPH_BYTE_OID_LOOKUP_ORDER=$(($GRAPH_OID_LOOKUP_OFFSET + $HASH_LEN * 8))
GRAPH_BYTE_OID_LOOKUP_MISSING=$(($GRAPH_OID_LOOKUP_OFFSET + $HASH_LEN * 4 + 10))
+GRAPH_COMMIT_DATA_WIDTH=$(($HASH_LEN + 16))
GRAPH_COMMIT_DATA_OFFSET=$(($GRAPH_OID_LOOKUP_OFFSET + $HASH_LEN * $NUM_COMMITS))
GRAPH_BYTE_COMMIT_TREE=$GRAPH_COMMIT_DATA_OFFSET
GRAPH_BYTE_COMMIT_PARENT=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN))
GRAPH_BYTE_COMMIT_EXTRA_PARENT=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 4))
GRAPH_BYTE_COMMIT_WRONG_PARENT=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 3))
GRAPH_BYTE_COMMIT_GENERATION=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 11))
+GRAPH_BYTE_COMMIT_GENERATION_LAST=$(($GRAPH_BYTE_COMMIT_GENERATION + $(($NUM_COMMITS - 1)) * $GRAPH_COMMIT_DATA_WIDTH))
GRAPH_BYTE_COMMIT_DATE=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 12))
-GRAPH_COMMIT_DATA_WIDTH=$(($HASH_LEN + 16))
GRAPH_OCTOPUS_DATA_OFFSET=$(($GRAPH_COMMIT_DATA_OFFSET + \
$GRAPH_COMMIT_DATA_WIDTH * $NUM_COMMITS))
GRAPH_BYTE_OCTOPUS=$(($GRAPH_OCTOPUS_DATA_OFFSET + 4))
@@ -596,11 +597,6 @@ test_expect_success 'detect incorrect generation number' '
"generation for commit"
'
-test_expect_success 'detect incorrect generation number' '
- corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_GENERATION "\01" \
- "but zero elsewhere"
-'
-
test_expect_success 'detect incorrect commit date' '
corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_DATE "\01" \
"commit date"
@@ -622,6 +618,16 @@ test_expect_success 'detect incorrect chunk count' '
$GRAPH_CHUNK_LOOKUP_OFFSET
'
+test_expect_success 'detect mixed generation numbers (non-zero to zero)' '
+ corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_GENERATION_LAST "\0\0\0\0" \
+ "but non-zero elsewhere"
+'
+
+test_expect_success 'detect mixed generation numbers (zero to non-zero)' '
+ corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_GENERATION "\0\0\0\0" \
+ "but zero elsewhere"
+'
+
test_expect_success 'git fsck (checks commit-graph when config set to true)' '
git -C full fsck &&
corrupt_graph_and_verify $GRAPH_BYTE_FOOTER "\00" \