Merge branch 'sverk/code-upgrade-test'

* sverk/code-upgrade-test:
  Add kernel/test/code_SUITE:upgrade

4 files changed, 464 insertions, 0 deletions

diff --git a/lib/kernel/test/code_SUITE.erl b/lib/kernel/test/code_SUITE.erl
index 3e8bdaf1ff..f6d38e6d1f 100644
--- a/lib/kernel/test/code_SUITE.erl
+++ b/lib/kernel/test/code_SUITE.erl
@@ -25,6 +25,7 @@
 	 replace_path/1, load_file/1, load_abs/1, ensure_loaded/1,
 	 delete/1, purge/1, soft_purge/1, is_loaded/1, all_loaded/1,
 	 load_binary/1, dir_req/1, object_code/1, set_path_file/1,
+	 upgrade/1,
 	 sticky_dir/1, pa_pz_option/1, add_del_path/1,
 	 dir_disappeared/1, ext_mod_dep/1, clash/1,
 	 load_cached/1, start_node_with_cache/1, add_and_rehash/1,
@@ -43,6 +44,8 @@
 	 handle_event/2, handle_call/2, handle_info/2,
 	 terminate/2]).
 
+-export([compile_load/4]).
+
 suite() -> [{ct_hooks,[ts_install_cth]}].
 
 all() -> 
@@ -50,6 +53,7 @@ all() ->
      replace_path, load_file, load_abs, ensure_loaded,
      delete, purge, soft_purge, is_loaded, all_loaded,
      load_binary, dir_req, object_code, set_path_file,
+     upgrade,
      pa_pz_option, add_del_path, dir_disappeared,
      ext_mod_dep, clash, load_cached, start_node_with_cache,
      add_and_rehash, where_is_file_no_cache,
@@ -450,6 +454,46 @@ load_binary(Config) when is_list(Config) ->
     code:delete(code_b_test),
     ok.
 
+upgrade(Config) ->    
+    DataDir = ?config(data_dir, Config),
+
+    %%T = [beam, hipe],
+    T = [beam],
+
+    [upgrade_do(DataDir, Client, U1, U2, O1, O2)
+     || Client<-T, U1<-T, U2<-T, O1<-T, O2<-T],
+    
+    ok.
+
+upgrade_do(DataDir, Client, U1, U2, O1, O2) ->
+    compile_load(upgrade_client, DataDir, undefined, Client),        
+    upgrade_client:run(DataDir, U1, U2, O1, O2),
+    ok.
+
+compile_load(Mod, Dir, Ver, CodeType) ->
+    Version = case Ver of
+		  undefined ->
+		      io:format("Compiling '~p' as ~p\n", [Mod, CodeType]),
+		      [];
+		  _ ->
+		      io:format("Compiling version ~p of '~p' as ~p\n",
+				[Ver, Mod, CodeType]),
+		      [{d,list_to_atom("VERSION_" ++ integer_to_list(Ver))}]
+	      end,
+    Target = case CodeType of
+		 beam -> [];
+		 hipe -> [native]
+	     end,
+    CompOpts = [binary, report] ++ Target ++ Version,
+
+    Src = filename:join(Dir, atom_to_list(Mod) ++ ".erl"),
+    %io:format("compile:file(~p,~p)\n", [Src, CompOpts]),
+    {ok,Mod,Code} = compile:file(Src, CompOpts),
+    ObjFile = filename:basename(Src,".erl") ++ ".beam",
+    {module,Mod} = code:load_binary(Mod, ObjFile, Code),
+    %IsNative = code:is_module_native(Mod),
+    ok.
+
 dir_req(suite) -> [];
 dir_req(doc) -> [];
 dir_req(Config) when is_list(Config) ->
diff --git a/lib/kernel/test/code_SUITE_data/other.erl b/lib/kernel/test/code_SUITE_data/other.erl
new file mode 100644
index 0000000000..58ce87f222
--- /dev/null
+++ b/lib/kernel/test/code_SUITE_data/other.erl
@@ -0,0 +1,38 @@
+-module(other).
+
+-ifdef(VERSION_1).
+-define(VERSION,1).
+-export([exp1/0]).
+-export([exp1loc2/0]).
+-export([exp1exp2/0]).
+exp1() -> check([loc1(),exp1loc2(),exp1exp2(),loc1exp2(),loc1loc2()]).
+loc1() -> check([exp1loc2(),exp1exp2(),loc1exp2(),loc1loc2()]).
+exp1loc2() -> check([exp1exp2(),loc1exp2(),loc1loc2()]).
+exp1exp2() -> check([loc1exp2(),loc1loc2()]).
+loc1exp2() -> check([loc1loc2()]).
+-endif. % VERSION_1
+
+-ifdef(VERSION_2).
+-define(VERSION,2).
+-export([exp2/0]).
+-export([loc1exp2/0]).
+-export([exp1exp2/0]).
+loc1exp2() -> check([exp1exp2(),exp1loc2(),loc2(),exp2(),loc1loc2()]).
+exp1exp2() -> check([exp1loc2(),loc2(),exp2(),loc1loc2()]).
+exp1loc2() -> check([loc2(),exp2(),loc1loc2()]).
+loc2() -> check([exp2(),loc1loc2()]).
+exp2() -> check([loc1loc2()]).
+
+-endif. % VERSION_2
+
+loc1loc2() -> ?VERSION.
+
+
+check(VerList) ->
+    case lists:all(fun(?VERSION) -> true; (_) -> false end,
+		   VerList) of
+	true ->
+	    ?VERSION;
+	false ->
+	    VerList
+    end.
diff --git a/lib/kernel/test/code_SUITE_data/upgrade_client.erl b/lib/kernel/test/code_SUITE_data/upgrade_client.erl
new file mode 100644
index 0000000000..bb655e01d3
--- /dev/null
+++ b/lib/kernel/test/code_SUITE_data/upgrade_client.erl
@@ -0,0 +1,259 @@
+-module(upgrade_client).
+
+-export([run/5]).
+
+%%-define(line, io:format("~s:~p\n", [?MODULE,?LINE]),).
+-define(line,).    
+
+run(Dir, Upgradee1, Upgradee2, Other1, Other2) ->
+    %% Load version 1 of upgradee
+    code_SUITE:compile_load(upgradee, Dir, 1, Upgradee1),
+
+    ?line 1 = upgradee:exp1(),
+    ?line 1 = upgradee:exp1exp2(),
+    ?line 1 = upgradee:exp1loc2(),
+
+    ?line {'EXIT',{undef,_}} = (catch upgradee:loc1()),
+    ?line {'EXIT',{undef,_}} = (catch upgradee:exp2()),
+    ?line {'EXIT',{undef,_}} = (catch upgradee:loc2()),
+    ?line {'EXIT',{undef,_}} = (catch upgradee:loc1exp2()),
+    ?line {'EXIT',{undef,_}} = (catch upgradee:loc1loc2()),
+
+    P = spawn_link(upgradee,dispatch_loop,[]),
+
+    ?line 1 = proxy_call(P, local, exp1),
+    ?line 1 = proxy_call(P, local, loc1),
+    ?line 1 = proxy_call(P, local, exp1exp2),
+    ?line 1 = proxy_call(P, local, exp1loc2),
+    ?line 1 = proxy_call(P, local, loc1exp2),
+    ?line 1 = proxy_call(P, local, loc1loc2),
+    ?line 1 = proxy_call(P, external, exp1),
+    ?line 1 = proxy_call(P, external, exp1exp2),
+    ?line 1 = proxy_call(P, external, exp1loc2),
+
+    ?line {'EXIT',{undef,_}} = proxy_call(P, external, loc1),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, external, loc1exp2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, external, loc1loc2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, external, exp2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, external, loc2),
+    ?line {cannot_compile,1} = proxy_call(P, local, exp2),
+    ?line {cannot_compile,1} = proxy_call(P, local, loc2),
+
+    ?line {'EXIT',{undef,_}} = (catch other:exp1()),
+    ?line {'EXIT',{undef,_}} = (catch other:loc1()),
+    ?line {'EXIT',{undef,_}} = (catch other:exp1loc2()),
+    ?line {'EXIT',{undef,_}} = (catch other:exp1exp2()),
+    ?line {'EXIT',{undef,_}} = (catch other:loc11exp2()),
+    ?line {'EXIT',{undef,_}} = (catch other:loc1loc2()),
+    ?line {'EXIT',{undef,_}} = (catch other:exp2()),
+    ?line {'EXIT',{undef,_}} = (catch other:loc2()),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, exp1),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, exp1loc2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, exp1exp2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc1exp2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc1loc2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, exp2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc1),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc2),
+
+    %%
+    %% Load version 1 of other
+    %%
+    code_SUITE:compile_load(other, Dir, 1, Other1),
+    ?line 1 = other:exp1(),
+    ?line 1 = other:exp1loc2(),
+    ?line 1 = other:exp1exp2(),
+    ?line {'EXIT',{undef,_}} = (catch other:loc1()),
+    ?line {'EXIT',{undef,_}} = (catch other:loc1exp2()),
+    ?line {'EXIT',{undef,_}} = (catch other:loc1loc2()),
+    ?line {'EXIT',{undef,_}} = (catch other:exp2()),
+    ?line {'EXIT',{undef,_}} = (catch other:loc2()),
+
+    ?line 1 = proxy_call(P, other, exp1),
+    ?line 1 = proxy_call(P, other, exp1loc2),
+    ?line 1 = proxy_call(P, other, exp1exp2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc1),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc1exp2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc1loc2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, exp2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc2),
+
+    %%
+    %% Load version 2 of upgradee
+    %%
+    code_SUITE:compile_load(upgradee, Dir, 2, Upgradee2),
+
+    ?line 2 = upgradee:exp2(),
+    ?line 2 = upgradee:exp1exp2(),
+    ?line 2 = upgradee:loc1exp2(),
+    
+    ?line {'EXIT',{undef,_}} = (catch upgradee:exp1()),
+    ?line {'EXIT',{undef,_}} = (catch upgradee:loc1()),
+    ?line {'EXIT',{undef,_}} = (catch upgradee:exp1loc2()),
+    ?line {'EXIT',{undef,_}} = (catch upgradee:loc1loc2()),
+    ?line {'EXIT',{undef,_}} = (catch upgradee:loc2()),
+
+    ?line 1 = proxy_call(P, local, exp1),
+    ?line 1 = proxy_call(P, local, loc1),
+    ?line 1 = proxy_call(P, local, exp1exp2),
+    ?line 1 = proxy_call(P, local, exp1loc2),
+    ?line 1 = proxy_call(P, local, loc1exp2),
+    ?line 1 = proxy_call(P, local, loc1loc2),
+    ?line {cannot_compile,1} = proxy_call(P, local, exp2),
+    ?line {cannot_compile,1} = proxy_call(P, local, loc2),
+
+    ?line 2 = proxy_call(P, external, exp1exp2),
+    ?line 2 = proxy_call(P, external, loc1exp2),
+    ?line 2 = proxy_call(P, external, exp2),
+
+    ?line {'EXIT',{undef,_}} = proxy_call(P, external, exp1),    
+    ?line {'EXIT',{undef,_}} = proxy_call(P, external, loc1),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, external, exp1loc2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, external, loc1loc2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, external, loc2),
+
+    ?line 1 = other:exp1(),
+    ?line 1 = other:exp1loc2(),
+    ?line 1 = other:exp1exp2(),
+    ?line {'EXIT',{undef,_}} = (catch other:loc1()),
+    ?line {'EXIT',{undef,_}} = (catch other:loc1exp2()),
+    ?line {'EXIT',{undef,_}} = (catch other:loc1loc2()),
+    ?line {'EXIT',{undef,_}} = (catch other:exp2()),
+    ?line {'EXIT',{undef,_}} = (catch other:loc2()),
+
+    ?line 1 = proxy_call(P, other, exp1),
+    ?line 1 = proxy_call(P, other, exp1loc2),
+    ?line 1 = proxy_call(P, other, exp1exp2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc1),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc1exp2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc1loc2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, exp2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc2),
+
+    %%
+    %% Load version 2 of other
+    %%
+    code_SUITE:compile_load(other, Dir, 2, Other2),
+
+    ?line 2 = upgradee:exp2(),
+    ?line 2 = upgradee:exp1exp2(),
+    ?line 2 = upgradee:loc1exp2(),
+    
+    ?line {'EXIT',{undef,_}} = (catch upgradee:exp1()),
+    ?line {'EXIT',{undef,_}} = (catch upgradee:loc1()),
+    ?line {'EXIT',{undef,_}} = (catch upgradee:exp1loc2()),
+    ?line {'EXIT',{undef,_}} = (catch upgradee:loc1loc2()),
+    ?line {'EXIT',{undef,_}} = (catch upgradee:loc2()),
+
+    ?line 1 = proxy_call(P, local, exp1),
+    ?line 1 = proxy_call(P, local, loc1),
+    ?line 1 = proxy_call(P, local, exp1exp2),
+    ?line 1 = proxy_call(P, local, exp1loc2),
+    ?line 1 = proxy_call(P, local, loc1exp2),
+    ?line 1 = proxy_call(P, local, loc1loc2),
+    ?line {cannot_compile,1} = proxy_call(P, local, exp2),
+    ?line {cannot_compile,1} = proxy_call(P, local, loc2),
+
+    ?line 2 = proxy_call(P, external, exp1exp2),
+    ?line 2 = proxy_call(P, external, loc1exp2),
+    ?line 2 = proxy_call(P, external, exp2),
+
+    ?line {'EXIT',{undef,_}} = proxy_call(P, external, exp1),    
+    ?line {'EXIT',{undef,_}} = proxy_call(P, external, loc1),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, external, exp1loc2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, external, loc1loc2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, external, loc2),
+
+    ?line 2 = other:exp2(),
+    ?line 2 = other:loc1exp2(),
+    ?line 2 = other:exp1exp2(),
+    ?line {'EXIT',{undef,_}} = (catch other:exp1()),
+    ?line {'EXIT',{undef,_}} = (catch other:loc1()),
+    ?line {'EXIT',{undef,_}} = (catch other:exp1loc2()),
+    ?line {'EXIT',{undef,_}} = (catch other:loc1loc2()),
+    ?line {'EXIT',{undef,_}} = (catch other:loc2()),
+
+    ?line 2 = proxy_call(P, other, exp2),
+    ?line 2 = proxy_call(P, other, loc1exp2),
+    ?line 2 = proxy_call(P, other, exp1exp2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, exp1),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc1),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, exp1loc2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc1loc2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc2),
+
+
+    %%
+    %% Upgrade proxy to version 2
+    %%
+    P ! upgrade_order,
+
+    
+    %%
+    io:format("Delete version 2 of 'upgradee'\n",[]),
+    %%
+    code:purge(upgradee),
+    code:delete(upgradee),
+    
+    ?line {'EXIT',{undef,_}} = (catch upgradee:exp2()),
+    ?line {'EXIT',{undef,_}} = (catch upgradee:exp1exp2()),
+    ?line {'EXIT',{undef,_}} = (catch upgradee:loc1exp2()),    
+    ?line {'EXIT',{undef,_}} = (catch upgradee:exp1()),
+    ?line {'EXIT',{undef,_}} = (catch upgradee:loc1()),
+    ?line {'EXIT',{undef,_}} = (catch upgradee:exp1loc2()),
+    ?line {'EXIT',{undef,_}} = (catch upgradee:loc1loc2()),
+    ?line {'EXIT',{undef,_}} = (catch upgradee:loc2()),
+    
+    ?line 2 = proxy_call(P, local, exp2),
+    ?line 2 = proxy_call(P, local, loc2),
+    ?line 2 = proxy_call(P, local, exp1exp2),
+    ?line 2 = proxy_call(P, local, exp1loc2),
+    ?line 2 = proxy_call(P, local, loc1exp2),
+    ?line 2 = proxy_call(P, local, loc1loc2),
+    ?line {cannot_compile,2} = proxy_call(P, local, exp1),
+    ?line {cannot_compile,2} = proxy_call(P, local, loc1),
+    
+    ?line {'EXIT',{undef,_}} = proxy_call(P, external, exp1exp2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, external, loc1exp2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, external, exp2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, external, exp1),    
+    ?line {'EXIT',{undef,_}} = proxy_call(P, external, loc1),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, external, exp1loc2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, external, loc1loc2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, external, loc2),
+    
+    ?line 2 = other:exp2(),
+    ?line 2 = other:loc1exp2(),
+    ?line 2 = other:exp1exp2(),
+    ?line {'EXIT',{undef,_}} = (catch other:exp1()),
+    ?line {'EXIT',{undef,_}} = (catch other:loc1()),
+    ?line {'EXIT',{undef,_}} = (catch other:exp1loc2()),
+    ?line {'EXIT',{undef,_}} = (catch other:loc1loc2()),
+    ?line {'EXIT',{undef,_}} = (catch other:loc2()),
+    
+    ?line 2 = proxy_call(P, other, exp2),
+    ?line 2 = proxy_call(P, other, loc1exp2),
+    ?line 2 = proxy_call(P, other, exp1exp2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, exp1),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc1),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, exp1loc2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc1loc2),
+    ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc2),
+    
+    unlink(P),
+    exit(P, die_please),
+
+    io:format("Purge 'upgradee'\n",[]),
+    code:purge(upgradee),
+
+    io:format("Delete and purge 'other'\n",[]),
+    code:purge(other),
+    code:delete(other),
+    code:purge(other),
+    ok.
+
+proxy_call(Pid, CallType, Func) ->
+    Pid ! {self(), CallType, Func},
+    receive
+	{Pid, call_result, Func, Ret} -> Ret
+    end.
diff --git a/lib/kernel/test/code_SUITE_data/upgradee.erl b/lib/kernel/test/code_SUITE_data/upgradee.erl
new file mode 100644
index 0000000000..62b1d95e30
--- /dev/null
+++ b/lib/kernel/test/code_SUITE_data/upgradee.erl
@@ -0,0 +1,123 @@
+-module(upgradee).
+
+-export([dispatch_loop/0]).
+
+-ifdef(VERSION_1).
+-define(VERSION,1).
+
+-export([exp1/0]).     % only exported in v1
+-export([exp1loc2/0]). % exported in v1, local in v2
+-export([exp1exp2/0]). % exported in v1 and v2
+
+exp1() -> ?VERSION.
+loc1() -> ?VERSION.
+
+-endif. % VERSION_1
+
+-ifdef(VERSION_2).
+-define(VERSION,2).
+
+-export([exp2/0]).
+-export([loc1exp2/0]).
+-export([exp1exp2/0]).
+
+exp2() -> ?VERSION.
+loc2() -> ?VERSION.
+
+-endif. % VERSION_2
+
+exp1exp2() -> ?VERSION.
+exp1loc2() -> ?VERSION.
+loc1exp2() -> ?VERSION.
+loc1loc2() -> ?VERSION.
+
+dispatch_loop() ->
+    receive 
+	upgrade_order ->
+	    %%erlang:display({"upgradee version", ?VERSION, "got upgrade_order"}),
+	    ?MODULE:dispatch_loop();
+
+	Msg -> 
+	    %%erlang:display({"upgradee version", ?VERSION, "got msg", Msg}),
+	    {Func,Ret} = case Msg of
+			     %% Local calls
+			     {Pid, local, F=exp1} ->
+				 {F, local_exp1()};
+			     {Pid, local, F=loc1} ->
+				 {F, local_loc1()};
+			     {Pid, local, F=exp1exp2} ->
+				 {F, catch exp1exp2()};
+			     {Pid, local, F=exp1loc2} ->
+				 {F, catch exp1loc2()};
+			     {Pid, local, F=loc1exp2} ->
+				 {F, catch loc1exp2()};
+			     {Pid, local, F=loc1loc2} ->
+				 {F, catch loc1loc2()};
+			     {Pid, local, F=exp2} ->
+				 {F, local_exp2()};
+			     {Pid, local, F=loc2} ->
+				 {F, local_loc2()};
+			     
+			     %% Extern calls to own module
+			     {Pid, external, F=exp1} ->
+				 {F, catch ?MODULE:exp1()};
+			     {Pid, external, F=loc1} ->
+				 {F, catch ?MODULE:loc1()};
+			     {Pid, external, F=exp1exp2} ->
+				 {F, catch ?MODULE:exp1exp2()};
+			     {Pid, external, F=exp1loc2} ->
+				 {F, catch ?MODULE:exp1loc2()};
+			     {Pid, external, F=loc1exp2} ->
+				 {F, catch ?MODULE:loc1exp2()};
+			     {Pid, external, F=loc1loc2} ->
+				 {F, catch ?MODULE:loc1loc2()};
+			     {Pid, external, F=exp2} ->
+				 {F, catch ?MODULE:exp2()};
+			     {Pid, external, F=loc2} ->
+				 {F, catch ?MODULE:loc2()};
+			     
+			     %% External calls to other module
+			     {Pid, other, F=exp1} ->
+				 {F, catch other:exp1()};
+			     {Pid, other, F=loc1} ->
+				 {F, catch other:loc1()};
+			     {Pid, other, F=exp1exp2} ->
+				 {F, catch other:exp1exp2()};
+			     {Pid, other, F=exp1loc2} ->
+				 {F, catch other:exp1loc2()};
+			     {Pid, other, F=loc1exp2} ->
+				 {F, catch other:loc1exp2()};
+			     {Pid, other, F=loc1loc2} ->
+				 {F, catch other:loc1loc2()};
+			     {Pid, other, F=exp2} ->
+				 {F, catch other:exp2()};
+			     {Pid, other, F=loc2} ->
+				 {F, catch other:loc2()}
+			 end,
+	    Pid ! {self(), call_result, Func, Ret},
+	    
+	    dispatch_loop() % A local call, we don't want to upgrade the dispatcher
+    end.
+
+
+
+-ifdef(VERSION_1).
+local_exp1() -> catch exp1().
+local_loc1() -> catch loc1().
+-else.
+local_exp1() ->
+    %%erlang:display({"upgradee:local_exp1 in version", ?VERSION}),
+    {cannot_compile,?VERSION}.
+local_loc1() -> {cannot_compile,?VERSION}.
+-endif.
+
+-ifdef(VERSION_2).
+local_exp2() -> catch exp2().
+local_loc2() -> catch loc2().
+-else.
+local_exp2() -> 
+    %%erlang:display({"upgradee:local_exp2 in version", ?VERSION}),
+    {cannot_compile,?VERSION}.
+local_loc2() -> 
+    {cannot_compile,?VERSION}.
+-endif.