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author | Erlang/OTP <[email protected]> | 2017-01-31 15:08:36 +0100 |
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committer | Erlang/OTP <[email protected]> | 2017-01-31 15:08:36 +0100 |
commit | b674eaa8c616a341bec19254e6b3f04cecc2a2f1 (patch) | |
tree | 1980d806b64e45f996f7188116b75ebf7550c98d /lib/mnesia/test/mnesia_evil_backup.erl | |
parent | bca5bf5a2d68a0e9ca681363a8943809c4751950 (diff) | |
parent | 230358701da9764fa4c637e9e781668276f14938 (diff) | |
download | otp-b674eaa8c616a341bec19254e6b3f04cecc2a2f1.tar.gz otp-b674eaa8c616a341bec19254e6b3f04cecc2a2f1.tar.bz2 otp-b674eaa8c616a341bec19254e6b3f04cecc2a2f1.zip |
Merge branch 'dgud/mnesia/checkpoint-crash/OTP-14167' into maint-19
* dgud/mnesia/checkpoint-crash/OTP-14167:
Fixed crash when a table was deleted during checkpoint traversal
Diffstat (limited to 'lib/mnesia/test/mnesia_evil_backup.erl')
-rw-r--r-- | lib/mnesia/test/mnesia_evil_backup.erl | 43 |
1 files changed, 32 insertions, 11 deletions
diff --git a/lib/mnesia/test/mnesia_evil_backup.erl b/lib/mnesia/test/mnesia_evil_backup.erl index e745ec9b04..044cf501fd 100644 --- a/lib/mnesia/test/mnesia_evil_backup.erl +++ b/lib/mnesia/test/mnesia_evil_backup.erl @@ -723,18 +723,18 @@ bup_records(File, Mod) -> exit(Reason) end. -sops_with_checkpoint(doc) -> +sops_with_checkpoint(doc) -> ["Test schema operations during a checkpoint"]; sops_with_checkpoint(suite) -> []; sops_with_checkpoint(Config) when is_list(Config) -> - Ns = ?acquire_nodes(2, Config), - + Ns = [N1,N2] = ?acquire_nodes(2, Config), + ?match({ok, cp1, Ns}, mnesia:activate_checkpoint([{name, cp1},{max,mnesia:system_info(tables)}])), - Tab = tab, + Tab = tab, ?match({atomic, ok}, mnesia:create_table(Tab, [{disc_copies,Ns}])), OldRecs = [{Tab, K, -K} || K <- lists:seq(1, 5)], [mnesia:dirty_write(R) || R <- OldRecs], - + ?match({ok, cp2, Ns}, mnesia:activate_checkpoint([{name, cp2},{max,mnesia:system_info(tables)}])), File1 = "cp1_delete_me.BUP", ?match(ok, mnesia:dirty_write({Tab,6,-6})), @@ -742,16 +742,16 @@ sops_with_checkpoint(Config) when is_list(Config) -> ?match(ok, mnesia:dirty_write({Tab,7,-7})), File2 = "cp2_delete_me.BUP", ?match(ok, mnesia:backup_checkpoint(cp2, File2)), - + ?match(ok, mnesia:deactivate_checkpoint(cp1)), ?match(ok, mnesia:backup_checkpoint(cp2, File1)), ?match(ok, mnesia:dirty_write({Tab,8,-8})), - + ?match({atomic,ok}, mnesia:delete_table(Tab)), ?match({error,_}, mnesia:backup_checkpoint(cp2, File2)), ?match({'EXIT',_}, mnesia:dirty_write({Tab,9,-9})), - ?match({atomic,_}, mnesia:restore(File1, [{default_op, recreate_tables}])), + ?match({atomic,_}, mnesia:restore(File1, [{default_op, recreate_tables}])), Test = fun(N) when N > 5 -> ?error("To many records in backup ~p ~n", [N]); (N) -> case mnesia:dirty_read(Tab,N) of [{Tab,N,B}] when -B =:= N -> ok; @@ -759,8 +759,29 @@ sops_with_checkpoint(Config) when is_list(Config) -> end end, [Test(N) || N <- mnesia:dirty_all_keys(Tab)], - ?match({aborted,enoent}, mnesia:restore(File2, [{default_op, recreate_tables}])), - + ?match({aborted,enoent}, mnesia:restore(File2, [{default_op, recreate_tables}])), + + %% Mnesia crashes when deleting a table during backup + ?match([], mnesia_test_lib:stop_mnesia([N2])), + Tab2 = ram, + ?match({atomic, ok}, mnesia:create_table(Tab2, [{ram_copies,[N1]}])), + ?match({ok, cp3, _}, mnesia:activate_checkpoint([{name, cp3}, + {ram_overrides_dump,true}, + {min,[Tab2]}])), + Write = fun Loop (N) -> + case N > 0 of + true -> + mnesia:dirty_write({Tab2, N+100, N+100}), + Loop(N-1); + false -> + ok + end + end, + ok = Write(100000), + spawn_link(fun() -> ?match({atomic, ok},mnesia:delete_table(Tab2)) end), + + %% We don't check result here, depends on timing of above call + mnesia:backup_checkpoint(cp3, File2), file:delete(File1), file:delete(File2), - ?verify_mnesia(Ns, []). + ?verify_mnesia([N1], [N2]). |