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-rw-r--r--erts/emulator/test/code_SUITE.erl115
1 files changed, 111 insertions, 4 deletions
diff --git a/erts/emulator/test/code_SUITE.erl b/erts/emulator/test/code_SUITE.erl
index 77321aa50f..661a2ee6c9 100644
--- a/erts/emulator/test/code_SUITE.erl
+++ b/erts/emulator/test/code_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -25,8 +25,10 @@
multi_proc_purge/1, t_check_old_code/1,
external_fun/1,get_chunk/1,module_md5/1,
constant_pools/1,constant_refc_binaries/1,
+ fake_literals/1,
false_dependency/1,coverage/1,fun_confusion/1,
- t_copy_literals/1, t_copy_literals_frags/1]).
+ t_copy_literals/1, t_copy_literals_frags/1,
+ erl_544/1]).
-define(line_trace, 1).
-include_lib("common_test/include/ct.hrl").
@@ -38,8 +40,10 @@ all() ->
call_purged_fun_code_reload, call_purged_fun_code_there,
multi_proc_purge, t_check_old_code, external_fun, get_chunk,
module_md5,
- constant_pools, constant_refc_binaries, false_dependency,
- coverage, fun_confusion, t_copy_literals, t_copy_literals_frags].
+ constant_pools, constant_refc_binaries, fake_literals,
+ false_dependency,
+ coverage, fun_confusion, t_copy_literals, t_copy_literals_frags,
+ erl_544].
init_per_suite(Config) ->
erts_debug:set_internal_state(available_internal_state, true),
@@ -554,6 +558,62 @@ wait_for_memory_deallocations() ->
wait_for_memory_deallocations()
end.
+fake_literals(_Config) ->
+ Mod = fake__literals__module,
+ try
+ do_fake_literals(Mod)
+ after
+ _ = code:purge(Mod),
+ _ = code:delete(Mod),
+ _ = code:purge(Mod),
+ _ = code:delete(Mod)
+ end,
+ ok.
+
+do_fake_literals(Mod) ->
+ Tid = ets:new(test, []),
+ ExtTerms = get_external_terms(),
+ Term0 = {self(),make_ref(),Tid,fun() -> ok end,ExtTerms},
+ Terms = [begin
+ make_literal_module(Mod, Term0),
+ Mod:term()
+ end || _ <- lists:seq(1, 10)],
+ verify_lit_terms(Terms, Term0),
+ true = ets:delete(Tid),
+ ok.
+
+make_literal_module(Mod, Term) ->
+ Exp = [{term,0}],
+ Attr = [],
+ Fs = [{function,term,0,2,
+ [{label,1},
+ {line,[]},
+ {func_info,{atom,Mod},{atom,term},0},
+ {label,2},
+ {move,{literal,Term},{x,0}},
+ return]}],
+ Asm = {Mod,Exp,Attr,Fs,2},
+ {ok,Mod,Beam} = compile:forms(Asm, [from_asm,binary,report]),
+ code:load_binary(Mod, atom_to_list(Mod), Beam).
+
+verify_lit_terms([H|T], Term) ->
+ case H =:= Term of
+ true ->
+ verify_lit_terms(T, Term);
+ false ->
+ error({bad_term,H})
+ end;
+verify_lit_terms([], _) ->
+ ok.
+
+get_external_terms() ->
+ {ok,Node} = test_server:start_node(?FUNCTION_NAME, slave, []),
+ Ref = rpc:call(Node, erlang, make_ref, []),
+ Ports = rpc:call(Node, erlang, ports, []),
+ Pid = rpc:call(Node, erlang, self, []),
+ _ = test_server:stop_node(Node),
+ {Ref,hd(Ports),Pid}.
+
%% OTP-7559: c_p->cp could contain garbage and create a false dependency
%% to a module in a process. (Thanks to Richard Carlsson.)
false_dependency(Config) when is_list(Config) ->
@@ -860,6 +920,53 @@ reloader(Mod,Code,Time) ->
reloader(Mod,Code,Time)
end.
+erl_544(Config) when is_list(Config) ->
+ case file:native_name_encoding() of
+ utf8 ->
+ {ok, CWD} = file:get_cwd(),
+ try
+ Mod = erl_544,
+ FileName = atom_to_list(Mod) ++ ".erl",
+ Priv = proplists:get_value(priv_dir, Config),
+ Data = proplists:get_value(data_dir, Config),
+ {ok, FileContent} = file:read_file(filename:join(Data,
+ FileName)),
+ Dir = filename:join(Priv, [16#2620,16#2620,16#2620]),
+ File = filename:join(Dir, FileName),
+ io:format("~ts~n", [File]),
+ ok = file:make_dir(Dir),
+ ok = file:set_cwd(Dir),
+ ok = file:write_file(File, [FileContent]),
+ {ok, Mod} = compile:file(File),
+ Res1 = (catch Mod:err()),
+ io:format("~p~n", [Res1]),
+ {'EXIT', {err, [{Mod, err, 0, Info1}|_]}} = Res1,
+ File = proplists:get_value(file, Info1),
+ Me = self(),
+ Go = make_ref(),
+ Tester = spawn_link(fun () ->
+ Mod:wait(Me, Go),
+ Mod:err()
+ end),
+ receive Go -> ok end,
+ Res2 = process_info(Tester, current_stacktrace),
+ io:format("~p~n", [Res2]),
+ {current_stacktrace, Stack} = Res2,
+ [{Mod, wait, 2, Info2}|_] = Stack,
+ File = proplists:get_value(file, Info2),
+ StackFun = fun(_, _, _) -> false end,
+ FormatFun = fun (Term, _) -> io_lib:format("~tp", [Term]) end,
+ Formated =
+ lib:format_stacktrace(1, Stack, StackFun, FormatFun),
+ true = is_list(Formated),
+ ok
+ after
+ ok = file:set_cwd(CWD)
+ end,
+ ok;
+ _Enc ->
+ {skipped, "Only run when native file name encoding is utf8"}
+ end.
%% Utilities.