t/t5328-commit-graph-64bit-time.sh

   1 #!/bin/sh
   2
   3 test_description='commit graph with 64-bit timestamps'
   4 . ./test-lib.sh
   5
   6 if ! test_have_prereq TIME_IS_64BIT || ! test_have_prereq TIME_T_IS_64BIT
   7 then
   8         skip_all='skipping 64-bit timestamp tests'
   9         test_done
  10 fi
  11
  12 . "$TEST_DIRECTORY"/lib-commit-graph.sh
  13
  14 UNIX_EPOCH_ZERO="@0 +0000"
  15 FUTURE_DATE="@4147483646 +0000"
  16
  17 GIT_TEST_COMMIT_GRAPH_CHANGED_PATHS=0
  18
  19 test_expect_success 'lower layers have overflow chunk' '
  20         rm -f .git/objects/info/commit-graph &&
  21         test_commit --date "$FUTURE_DATE" future-1 &&
  22         test_commit --date "$UNIX_EPOCH_ZERO" old-1 &&
  23         git commit-graph write --reachable &&
  24         test_commit --date "$FUTURE_DATE" future-2 &&
  25         test_commit --date "$UNIX_EPOCH_ZERO" old-2 &&
  26         git commit-graph write --reachable --split=no-merge &&
  27         test_commit extra &&
  28         git commit-graph write --reachable --split=no-merge &&
  29         git commit-graph write --reachable &&
  30         graph_read_expect 5 "generation_data generation_data_overflow" &&
  31         mv .git/objects/info/commit-graph commit-graph-upgraded &&
  32         git commit-graph write --reachable &&
  33         graph_read_expect 5 "generation_data generation_data_overflow" &&
  34         test_cmp .git/objects/info/commit-graph commit-graph-upgraded
  35 '
  36
  37 graph_git_behavior 'overflow' '' HEAD~2 HEAD
  38
  39 test_expect_success 'set up and verify repo with generation data overflow chunk' '
  40         git init repo &&
  41         (
  42                 cd repo &&
  43                 test_commit --date "$UNIX_EPOCH_ZERO" 1 &&
  44                 test_commit 2 &&
  45                 test_commit --date "$UNIX_EPOCH_ZERO" 3 &&
  46                 git commit-graph write --reachable &&
  47                 graph_read_expect 3 generation_data &&
  48                 test_commit --date "$FUTURE_DATE" 4 &&
  49                 test_commit 5 &&
  50                 test_commit --date "$UNIX_EPOCH_ZERO" 6 &&
  51                 git branch left &&
  52                 git reset --hard 3 &&
  53                 test_commit 7 &&
  54                 test_commit --date "$FUTURE_DATE" 8 &&
  55                 test_commit 9 &&
  56                 git branch right &&
  57                 git reset --hard 3 &&
  58                 test_merge M left right &&
  59                 git commit-graph write --reachable &&
  60                 graph_read_expect 10 "generation_data generation_data_overflow" &&
  61                 git commit-graph verify
  62         )
  63 '
  64
  65 graph_git_behavior 'overflow 2' repo left right
  66
  67 test_expect_success 'single commit with generation data exceeding UINT32_MAX' '
  68         git init repo-uint32-max &&
  69         test_commit -C repo-uint32-max --date "@4294967297 +0000" 1 &&
  70         git -C repo-uint32-max commit-graph write --reachable &&
  71         graph_read_expect -C repo-uint32-max 1 "generation_data" &&
  72         git -C repo-uint32-max commit-graph verify
  73 '
  74
  75 test_done