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-rw-r--r--lib/kernel/src/kernel.appup.src28
-rw-r--r--lib/kernel/test/kernel_SUITE.erl64
2 files changed, 89 insertions, 3 deletions
diff --git a/lib/kernel/src/kernel.appup.src b/lib/kernel/src/kernel.appup.src
index 54a63833e6..bded2408a7 100644
--- a/lib/kernel/src/kernel.appup.src
+++ b/lib/kernel/src/kernel.appup.src
@@ -1 +1,27 @@
-{"%VSN%",[],[]}.
+%% -*- erlang -*-
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 1999-2011. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+{"%VSN%",
+ %% Up from - max two major revisions back
+ [{<<"2\\.15(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R15
+ {<<"2\\.14(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R14
+ {<<"2\\.13(\\.[0-9]+)*">>,[restart_new_emulator]}],%% R13
+ %% Down to - max two major revisions back
+ [{<<"2\\.15(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R15
+ {<<"2\\.14(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R14
+ {<<"2\\.13(\\.[0-9]+)*">>,[restart_new_emulator]}] %% R13
+}.
diff --git a/lib/kernel/test/kernel_SUITE.erl b/lib/kernel/test/kernel_SUITE.erl
index 16b6c54939..0f29d895e5 100644
--- a/lib/kernel/test/kernel_SUITE.erl
+++ b/lib/kernel/test/kernel_SUITE.erl
@@ -32,7 +32,7 @@
-export([init_per_testcase/2, end_per_testcase/2]).
% Test cases must be exported.
--export([app_test/1]).
+-export([app_test/1, appup_test/1]).
%%
%% all/1
@@ -40,7 +40,7 @@
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
- [app_test].
+ [app_test, appup_test].
groups() ->
[].
@@ -76,3 +76,63 @@ app_test(suite) ->
app_test(Config) when is_list(Config) ->
?line ok=?t:app_test(kernel),
ok.
+
+
+%% Test that appup allows upgrade from/downgrade to a maximum of two
+%% major releases back.
+appup_test(_Config) ->
+ application:load(kernel),
+ {_,_,Vsn} = lists:keyfind(kernel,1,application:loaded_applications()),
+ AppupFile = filename:join([code:lib_dir(kernel),ebin,"kernel.appup"]),
+ {ok,[{Vsn,UpFrom,DownTo}=AppupScript]} = file:consult(AppupFile),
+ ct:log("~p~n",[AppupScript]),
+ {OkVsns,NokVsns} = create_test_vsns(Vsn),
+ check_appup(OkVsns,UpFrom,{ok,[restart_new_emulator]}),
+ check_appup(OkVsns,DownTo,{ok,[restart_new_emulator]}),
+ check_appup(NokVsns,UpFrom,error),
+ check_appup(NokVsns,DownTo,error),
+ ok.
+
+create_test_vsns(Current) ->
+ [XStr,YStr|Rest] = string:tokens(Current,"."),
+ X = list_to_integer(XStr),
+ Y = list_to_integer(YStr),
+ SecondMajor = vsn(X,Y-2),
+ SecondMinor = SecondMajor ++ ".1.3",
+ FirstMajor = vsn(X,Y-1),
+ FirstMinor = FirstMajor ++ ".57",
+ ThisMajor = vsn(X,Y),
+ This =
+ case Rest of
+ [] ->
+ [];
+ ["1"] ->
+ [ThisMajor];
+ _ ->
+ ThisMinor = ThisMajor ++ ".1",
+ [ThisMajor,ThisMinor]
+ end,
+ OkVsns = This ++ [FirstMajor, FirstMinor, SecondMajor, SecondMinor],
+
+ ThirdMajor = vsn(X,Y-3),
+ ThirdMinor = ThirdMajor ++ ".10.12",
+ Illegal = ThisMajor ++ ",1",
+ Newer1Major = vsn(X,Y+1),
+ Newer1Minor = Newer1Major ++ ".1",
+ Newer2Major = ThisMajor ++ "1",
+ NokVsns = [ThirdMajor,ThirdMinor,
+ Illegal,
+ Newer1Major,Newer1Minor,
+ Newer2Major],
+ {OkVsns,NokVsns}.
+
+vsn(X,Y) ->
+ integer_to_list(X) ++ "." ++ integer_to_list(Y).
+
+check_appup([Vsn|Vsns],Instrs,Expected) ->
+ case systools_relup:appup_search_for_version(Vsn, Instrs) of
+ Expected -> check_appup(Vsns,Instrs,Expected);
+ Other -> ct:fail({unexpected_result_for_vsn,Vsn,Other})
+ end;
+check_appup([],_,_) ->
+ ok.