test_cmp expected actual
'
+test_expect_success 'fsck detects problems in worktree index' '
+ test_when_finished "git worktree remove -f wt" &&
+ git worktree add wt &&
+
+ echo "this will be removed to break the worktree index" >wt/file &&
+ git -C wt add file &&
+ blob=$(git -C wt rev-parse :file) &&
+ remove_object $blob &&
+
+ test_must_fail git fsck --name-objects >actual 2>&1 &&
+ cat >expect <<-EOF &&
+ missing blob $blob (.git/worktrees/wt/index:file)
+ EOF
+ test_cmp expect actual
+'
+
+test_expect_success 'fsck reports problems in main index without filename' '
+ test_when_finished "rm -f .git/index && git read-tree HEAD" &&
+ echo "this object will be removed to break the main index" >file &&
+ git add file &&
+ blob=$(git rev-parse :file) &&
+ remove_object $blob &&
+
+ test_must_fail git fsck --name-objects >actual 2>&1 &&
+ cat >expect <<-EOF &&
+ missing blob $blob (:file)
+ EOF
+ test_cmp expect actual
+'
+
test_done