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Diffstat (limited to 't/t5318-commit-graph.sh')
| -rwxr-xr-x | t/t5318-commit-graph.sh | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/t/t5318-commit-graph.sh b/t/t5318-commit-graph.sh index fbf0d64578..db89542dfb 100755 --- a/t/t5318-commit-graph.sh +++ b/t/t5318-commit-graph.sh @@ -811,4 +811,31 @@ test_expect_success 'set up and verify repo with generation data overflow chunk' graph_git_behavior 'generation data overflow chunk repo' repo left right +test_expect_success 'overflow during generation version upgrade' ' + git init overflow-v2-upgrade && + ( + cd overflow-v2-upgrade && + + # This commit will have a date at two seconds past the Epoch, + # and a (v1) generation number of 1, since it is a root commit. + # + # The offset will then be computed as 1-2, which will underflow + # to 2^31, which is greater than the v2 offset small limit of + # 2^31-1. + # + # This is sufficient to need a large offset table for the v2 + # generation numbers. + test_commit --date "@2 +0000" base && + git repack -d && + + # Test that upgrading from generation v1 to v2 correctly + # produces the overflow table. + git -c commitGraph.generationVersion=1 commit-graph write && + git -c commitGraph.generationVersion=2 commit-graph write \ + --changed-paths && + + git rev-list --all + ) +' + test_done |