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-rw-r--r--lib/stdlib/test/dets_SUITE.erl93
1 files changed, 90 insertions, 3 deletions
diff --git a/lib/stdlib/test/dets_SUITE.erl b/lib/stdlib/test/dets_SUITE.erl
index b68d83b12d..63767aeda6 100644
--- a/lib/stdlib/test/dets_SUITE.erl
+++ b/lib/stdlib/test/dets_SUITE.erl
@@ -34,6 +34,8 @@
-define(datadir(Conf), ?config(data_dir, Conf)).
-endif.
+-compile(r13). % OTP-9607
+
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2,
not_run/1, newly_started/1, basic_v8/1, basic_v9/1,
@@ -53,7 +55,7 @@
simultaneous_open/1, insert_new/1, repair_continuation/1,
otp_5487/1, otp_6206/1, otp_6359/1, otp_4738/1, otp_7146/1,
otp_8070/1, otp_8856/1, otp_8898/1, otp_8899/1, otp_8903/1,
- otp_8923/1, otp_9282/1]).
+ otp_8923/1, otp_9282/1, otp_9607/1]).
-export([dets_dirty_loop/0]).
@@ -112,7 +114,7 @@ all() ->
many_clients, otp_4906, otp_5402, simultaneous_open,
insert_new, repair_continuation, otp_5487, otp_6206,
otp_6359, otp_4738, otp_7146, otp_8070, otp_8856, otp_8898,
- otp_8899, otp_8903, otp_8923, otp_9282]
+ otp_8899, otp_8903, otp_8923, otp_9282, otp_9607]
end.
groups() ->
@@ -554,7 +556,11 @@ dets_dirty_loop() ->
{From, [write, Name, Value]} ->
Ret = dets:insert(Name, Value),
From ! {self(), Ret},
- dets_dirty_loop()
+ dets_dirty_loop();
+ {From, [close, Name]} ->
+ Ret = dets:close(Name),
+ From ! {self(), Ret},
+ dets_dirty_loop()
end.
@@ -3882,10 +3888,91 @@ some_calls(Tab, Config) ->
?line ok = dets:close(T),
file:delete(File).
+otp_9607(doc) ->
+ ["OTP-9607. Test downgrading the slightly changed format."];
+otp_9607(suite) ->
+ [];
+otp_9607(Config) when is_list(Config) ->
+ %% Note: the bug is about almost full tables. The fix of that
+ %% problem is *not* tested here.
+ Version = r13b,
+ case ?t:is_release_available(atom_to_list(Version)) of
+ true ->
+ T = otp_9607,
+ File = filename(T, Config),
+ Key = a,
+ Value = 1,
+ Args = [{file,File}],
+ ?line {ok, T} = dets:open_file(T, Args),
+ ?line ok = dets:insert(T, {Key, Value}),
+ ?line ok = dets:close(T),
+
+ ?line Call = fun(P, A) ->
+ P ! {self(), A},
+ receive
+ {P, Ans} ->
+ Ans
+ after 5000 ->
+ exit(other_process_dead)
+ end
+ end,
+ %% Create a file on the modified format, read the file
+ %% with an emulator that doesn't know about the modified
+ %% format.
+ ?line {ok, Node} = start_node_rel(Version, Version, slave),
+ ?line Pid = rpc:call(Node, erlang, spawn,
+ [?MODULE, dets_dirty_loop, []]),
+ ?line {error,{needs_repair, File}} =
+ Call(Pid, [open, T, Args++[{repair,false}]]),
+ io:format("Expect repair:~n"),
+ ?line {ok, T} = Call(Pid, [open, T, Args]),
+ ?line [{Key,Value}] = Call(Pid, [read, T, Key]),
+ ?line ok = Call(Pid, [close, T]),
+ file:delete(File),
+
+ %% Create a file on the unmodified format. Modify the file
+ %% using an emulator that must not turn the file into the
+ %% modified format. Read the file and make sure it is not
+ %% repaired.
+ ?line {ok, T} = Call(Pid, [open, T, Args]),
+ ?line ok = Call(Pid, [write, T, {Key,Value}]),
+ ?line [{Key,Value}] = Call(Pid, [read, T, Key]),
+ ?line ok = Call(Pid, [close, T]),
+
+ Key2 = b,
+ Value2 = 2,
+
+ ?line {ok, T} = dets:open_file(T, Args),
+ ?line [{Key,Value}] = dets:lookup(T, Key),
+ ?line ok = dets:insert(T, {Key2,Value2}),
+ ?line ok = dets:close(T),
+
+ ?line {ok, T} = Call(Pid, [open, T, Args++[{repair,false}]]),
+ ?line [{Key2,Value2}] = Call(Pid, [read, T, Key2]),
+ ?line ok = Call(Pid, [close, T]),
+
+ ?t:stop_node(Node),
+ file:delete(File),
+ ok;
+ false ->
+ {skipped, "No support for old node"}
+ end.
+
+
+
%%
%% Parts common to several test cases
%%
+start_node_rel(Name, Rel, How) ->
+ Release = [{release, atom_to_list(Rel)}],
+ ?line Pa = filename:dirname(code:which(?MODULE)),
+ ?line test_server:start_node(Name, How,
+ [{args,
+ " -kernel net_setuptime 100 "
+ " -pa " ++ Pa},
+ {erl, Release}]).
+
crash(File, Where) ->
crash(File, Where, 10).