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-rw-r--r--lib/stdlib/test/stdlib_SUITE.erl63
1 files changed, 60 insertions, 3 deletions
diff --git a/lib/stdlib/test/stdlib_SUITE.erl b/lib/stdlib/test/stdlib_SUITE.erl
index 0cca030b3d..8a2cb5ea6b 100644
--- a/lib/stdlib/test/stdlib_SUITE.erl
+++ b/lib/stdlib/test/stdlib_SUITE.erl
@@ -33,8 +33,7 @@
-export([init_per_testcase/2, end_per_testcase/2]).
% Test cases must be exported.
--export([app_test/1]).
--define(cases, [app_test]).
+-export([app_test/1, appup_test/1]).
%%
%% all/1
@@ -42,7 +41,7 @@
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
- [app_test].
+ [app_test, appup_test].
groups() ->
[].
@@ -79,3 +78,61 @@ app_test(Config) when is_list(Config) ->
?t:app_test(stdlib),
ok.
+%% Test that appup allows upgrade from/downgrade to a maximum of two
+%% major releases back.
+appup_test(_Config) ->
+ application:load(stdlib),
+ {_,_,Vsn} = lists:keyfind(stdlib,1,application:loaded_applications()),
+ AppupFile = filename:join([code:lib_dir(stdlib),ebin,"stdlib.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.