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-rwxr-xr-xt/t5318-commit-graph.sh26
1 files changed, 26 insertions, 0 deletions
diff --git a/t/t5318-commit-graph.sh b/t/t5318-commit-graph.sh
index ba65f17dd9..d25bea3ec5 100755
--- a/t/t5318-commit-graph.sh
+++ b/t/t5318-commit-graph.sh
@@ -2,6 +2,7 @@
test_description='commit graph'
. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-chunk.sh
GIT_TEST_COMMIT_GRAPH_CHANGED_PATHS=0
@@ -821,4 +822,29 @@ test_expect_success 'overflow during generation version upgrade' '
)
'
+corrupt_chunk () {
+ graph=full/.git/objects/info/commit-graph &&
+ test_when_finished "rm -rf $graph" &&
+ git -C full commit-graph write --reachable &&
+ corrupt_chunk_file $graph "$@"
+}
+
+check_corrupt_chunk () {
+ corrupt_chunk "$@" &&
+ git -C full -c core.commitGraph=false log >expect.out &&
+ git -C full -c core.commitGraph=true log >out 2>err &&
+ test_cmp expect.out out
+}
+
+test_expect_success 'reader notices too-small oid fanout chunk' '
+ # make it big enough that the graph file is plausible,
+ # otherwise we hit an earlier check
+ check_corrupt_chunk OIDF clear $(printf "000000%02x" $(test_seq 250)) &&
+ cat >expect.err <<-\EOF &&
+ error: commit-graph oid fanout chunk is wrong size
+ error: commit-graph is missing the OID Fanout chunk
+ EOF
+ test_cmp expect.err err
+'
+
test_done