commit-graph: test for corrupted octopus edge
[git/git.git] / t / t5318-commit-graph.sh
index 2c65e6a..a0cf1f6 100755 (executable)
@@ -248,6 +248,7 @@ test_expect_success 'git commit-graph verify' '
 '
 
 NUM_COMMITS=9
+NUM_OCTOPUS_EDGES=2
 HASH_LEN=20
 GRAPH_BYTE_VERSION=4
 GRAPH_BYTE_HASH=5
@@ -274,6 +275,10 @@ 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 + $HASH_LEN + 11))
 GRAPH_BYTE_COMMIT_DATE=$(($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))
 
 # usage: corrupt_graph_and_verify <position> <data> <string>
 # Manipulates the commit-graph file at the position
@@ -383,4 +388,9 @@ test_expect_success 'detect incorrect commit date' '
                "commit date"
 '
 
+test_expect_success 'detect incorrect parent for octopus merge' '
+       corrupt_graph_and_verify $GRAPH_BYTE_OCTOPUS "\01" \
+               "invalid parent"
+'
+
 test_done