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-rw-r--r--lib/stdlib/test/Makefile1
-rw-r--r--lib/stdlib/test/c_SUITE.erl53
-rw-r--r--lib/stdlib/test/edlin_expand_SUITE.erl26
-rw-r--r--lib/stdlib/test/erl_lint_SUITE.erl71
-rw-r--r--lib/stdlib/test/error_logger_h_SUITE.erl10
-rw-r--r--lib/stdlib/test/id_transform_SUITE.erl9
-rw-r--r--lib/stdlib/test/proc_lib_SUITE.erl74
-rw-r--r--lib/stdlib/test/re_SUITE_data/testoutput14
-rw-r--r--lib/stdlib/test/re_SUITE_data/testoutput84
-rw-r--r--lib/stdlib/test/shell_SUITE.erl50
-rw-r--r--lib/stdlib/test/unicode_expand.erl36
11 files changed, 288 insertions, 50 deletions
diff --git a/lib/stdlib/test/Makefile b/lib/stdlib/test/Makefile
index 72211332e9..7b79dcf04d 100644
--- a/lib/stdlib/test/Makefile
+++ b/lib/stdlib/test/Makefile
@@ -36,6 +36,7 @@ MODULES= \
ets_tough_SUITE \
expand_test \
expand_test1 \
+ unicode_expand \
ExpandTestCaps \
ExpandTestCaps1 \
filelib_SUITE \
diff --git a/lib/stdlib/test/c_SUITE.erl b/lib/stdlib/test/c_SUITE.erl
index 4bd32a30f8..f01988478c 100644
--- a/lib/stdlib/test/c_SUITE.erl
+++ b/lib/stdlib/test/c_SUITE.erl
@@ -21,7 +21,9 @@
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2]).
-export([c_1/1, c_2/1, c_3/1, c_4/1, nc_1/1, nc_2/1, nc_3/1, nc_4/1,
- ls/1, memory/1]).
+ c_default_outdir_1/1, c_default_outdir_2/1,
+ nc_default_outdir_1/1, nc_default_outdir_2/1,
+ ls/1, memory/1]).
-include_lib("common_test/include/ct.hrl").
@@ -30,7 +32,10 @@
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
- [c_1, c_2, c_3, c_4, nc_1, nc_2, nc_3, nc_4, ls, memory].
+ [c_1, c_2, c_3, c_4, nc_1, nc_2, nc_3, nc_4,
+ c_default_outdir_1, c_default_outdir_2,
+ nc_default_outdir_1, nc_default_outdir_2,
+ ls, memory].
groups() ->
[].
@@ -124,6 +129,50 @@ nc_4(Config) when is_list(Config) ->
Result = nc(R,[{outdir,W}]),
{ok, m} = Result.
+c_default_outdir_1(Config) ->
+ R = filename:join(proplists:get_value(data_dir, Config), "m.erl"),
+ W = proplists:get_value(priv_dir, Config),
+ file:set_cwd(W),
+ Obj = "m" ++ code:objfile_extension(),
+ _ = file:delete(Obj),
+ false = filelib:is_file(Obj),
+ Result = c:c(R),
+ {ok, m} = Result,
+ true = filelib:is_file(Obj).
+
+c_default_outdir_2(Config) ->
+ R = filename:join(proplists:get_value(data_dir, Config), "m"),
+ W = proplists:get_value(priv_dir, Config),
+ file:set_cwd(W),
+ Obj = "m" ++ code:objfile_extension(),
+ _ = file:delete(Obj),
+ false = filelib:is_file(Obj),
+ Result = c:c(R),
+ {ok, m} = Result,
+ true = filelib:is_file(Obj).
+
+nc_default_outdir_1(Config) ->
+ R = filename:join(proplists:get_value(data_dir, Config), "m.erl"),
+ W = proplists:get_value(priv_dir, Config),
+ file:set_cwd(W),
+ Obj = "m" ++ code:objfile_extension(),
+ _ = file:delete(Obj),
+ false = filelib:is_file(Obj),
+ Result = c:nc(R),
+ {ok, m} = Result,
+ true = filelib:is_file(Obj).
+
+nc_default_outdir_2(Config) ->
+ R = filename:join(proplists:get_value(data_dir, Config), "m"),
+ W = proplists:get_value(priv_dir, Config),
+ file:set_cwd(W),
+ Obj = "m" ++ code:objfile_extension(),
+ _ = file:delete(Obj),
+ false = filelib:is_file(Obj),
+ Result = c:nc(R),
+ {ok, m} = Result,
+ true = filelib:is_file(Obj).
+
ls(Config) when is_list(Config) ->
Directory = proplists:get_value(data_dir, Config),
ok = c:ls(Directory),
diff --git a/lib/stdlib/test/edlin_expand_SUITE.erl b/lib/stdlib/test/edlin_expand_SUITE.erl
index 1f694ea549..5c2b1965ba 100644
--- a/lib/stdlib/test/edlin_expand_SUITE.erl
+++ b/lib/stdlib/test/edlin_expand_SUITE.erl
@@ -22,7 +22,7 @@
init_per_testcase/2, end_per_testcase/2,
init_per_group/2,end_per_group/2]).
-export([normal/1, quoted_fun/1, quoted_module/1, quoted_both/1, erl_1152/1,
- erl_352/1]).
+ erl_352/1, unicode/1]).
-include_lib("common_test/include/ct.hrl").
@@ -37,7 +37,8 @@ suite() ->
{timetrap,{minutes,1}}].
all() ->
- [normal, quoted_fun, quoted_module, quoted_both, erl_1152, erl_352].
+ [normal, quoted_fun, quoted_module, quoted_both, erl_1152, erl_352,
+ unicode].
groups() ->
[].
@@ -150,6 +151,7 @@ quoted_both(Config) when is_list(Config) ->
{yes,"weird-fun-name'()",[]} = do_expand("'ExpandTestCaps1':'#"),
ok.
+%% Note: pull request #1152.
erl_1152(Config) when is_list(Config) ->
"\n"++"foo"++" "++[1089]++_ = do_format(["foo",[1089]]),
ok.
@@ -226,6 +228,26 @@ check_trailing([I|Str], ArityStr, Suffix, Dots) ->
Rest =:= Suffix
end.
+unicode(Config) when is_list(Config) ->
+ {module,unicode_expand} = c:l('unicode_expand'),
+ {no,[],[{"'кlирилли́ческий атом'",0},
+ {"'кlирилли́ческий атом'",1},
+ {"'кlирилли́ческий атомB'",1},
+ {"module_info",0},
+ {"module_info",1}]} = do_expand("unicode_expand:"),
+ {yes,"рилли́ческий атом", []} = do_expand("unicode_expand:'кlи"),
+ {yes,"еский атом", []} = do_expand("unicode_expand:'кlирилли́ч"),
+ {yes,"(",[]} = do_expand("unicode_expand:'кlирилли́ческий атомB'"),
+ "\n'кlирилли́ческий атом'/0 'кlирилли́ческий атом'/1 "
+ "'кlирилли́ческий атомB'/1 \nmodule_info/0 "
+ "module_info/1 \n" =
+ do_format([{"'кlирилли́ческий атом'",0},
+ {"'кlирилли́ческий атом'",1},
+ {"'кlирилли́ческий атомB'",1},
+ {"module_info",0},
+ {"module_info",1}]),
+ ok.
+
do_expand(String) ->
edlin_expand:expand(lists:reverse(String)).
diff --git a/lib/stdlib/test/erl_lint_SUITE.erl b/lib/stdlib/test/erl_lint_SUITE.erl
index 6a75eaa737..b76bece07f 100644
--- a/lib/stdlib/test/erl_lint_SUITE.erl
+++ b/lib/stdlib/test/erl_lint_SUITE.erl
@@ -66,7 +66,7 @@
otp_11851/1,otp_11879/1,otp_13230/1,
record_errors/1, otp_11879_cont/1,
non_latin1_module/1, otp_14323/1,
- get_stacktrace/1, otp_14285/1]).
+ get_stacktrace/1, otp_14285/1, otp_14378/1]).
suite() ->
[{ct_hooks,[ts_install_cth]},
@@ -87,7 +87,7 @@ all() ->
maps, maps_type, maps_parallel_match,
otp_11851, otp_11879, otp_13230,
record_errors, otp_11879_cont, non_latin1_module, otp_14323,
- get_stacktrace, otp_14285].
+ get_stacktrace, otp_14285, otp_14378].
groups() ->
[{unused_vars_warn, [],
@@ -2054,12 +2054,10 @@ otp_5362(Config) when is_list(Config) ->
spawn(A).
">>,
{[nowarn_unused_function]},
- {error,[{3,erl_lint,disallowed_nowarn_bif_clash},
- {4,erl_lint,disallowed_nowarn_bif_clash},
- {4,erl_lint,{bad_nowarn_bif_clash,{spawn,2}}}],
- [{5,erl_lint,{bad_nowarn_deprecated_function,{3,now,-1}}},
- {5,erl_lint,{bad_nowarn_deprecated_function,{erlang,now,-1}}},
- {5,erl_lint,{bad_nowarn_deprecated_function,{{a,b,c},now,-1}}}]}
+ {errors,[{3,erl_lint,disallowed_nowarn_bif_clash},
+ {4,erl_lint,disallowed_nowarn_bif_clash},
+ {4,erl_lint,{bad_nowarn_bif_clash,{spawn,2}}}],
+ []}
},
{otp_5362_8,
@@ -3937,10 +3935,6 @@ non_latin1_module(Config) ->
UndefBehav = {undefined_behaviour,'кирилли́ческий атом'},
"behaviour 'кирилли́ческий атом' undefined" =
format_error(UndefBehav),
- BadDepr = {bad_nowarn_deprecated_function,
- {'кирилли́ческий атом','кирилли́ческий атом',18}},
- "'кирилли́ческий атом':'кирилли́ческий атом'/18 is not a deprecated "
- "function" = format_error(BadDepr),
Ts = [{non_latin1_module,
<<"
%% Report uses of module names with non-Latin-1 characters.
@@ -3951,9 +3945,6 @@ non_latin1_module(Config) ->
-callback 'кирилли́ческий атом':'кирилли́ческий атом'() -> a.
- -compile([{nowarn_deprecated_function,
- [{'кирилли́ческий атом','кирилли́ческий атом',18}]}]).
-
%% erl_lint:gexpr/3 is not extended to check module name here:
t1() when 'кирилли́ческий атом':'кирилли́ческий атом'(1) ->
b.
@@ -3977,16 +3968,14 @@ non_latin1_module(Config) ->
{6,erl_lint,non_latin1_module_unsupported},
{8,erl_lint,non_latin1_module_unsupported},
{8,erl_lint,BadCallback},
- {10,erl_lint,non_latin1_module_unsupported},
- {14,erl_lint,illegal_guard_expr},
- {18,erl_lint,non_latin1_module_unsupported},
+ {11,erl_lint,illegal_guard_expr},
+ {15,erl_lint,non_latin1_module_unsupported},
+ {17,erl_lint,non_latin1_module_unsupported},
{20,erl_lint,non_latin1_module_unsupported},
{23,erl_lint,non_latin1_module_unsupported},
- {26,erl_lint,non_latin1_module_unsupported},
- {28,erl_lint,non_latin1_module_unsupported}],
+ {25,erl_lint,non_latin1_module_unsupported}],
[{5,erl_lint,UndefBehav},
- {6,erl_lint,UndefBehav},
- {10,erl_lint,BadDepr}]}}],
+ {6,erl_lint,UndefBehav}]}}],
run(Config, Ts),
ok.
@@ -4000,6 +3989,22 @@ do_non_latin1_module(Mod) ->
ok.
+otp_14378(Config) ->
+ Ts = [
+ {otp_14378_1,
+ <<"-export([t/0]).
+ -compile({nowarn_deprecated_function,{erlang,now,1}}).
+ t() ->
+ erlang:now().">>,
+ [],
+ {warnings,[{4,erl_lint,
+ {deprecated,{erlang,now,0},
+ "Deprecated BIF. See the \"Time and Time Correction"
+ " in Erlang\" chapter of the ERTS User's Guide"
+ " for more information."}}]}}],
+ [] = run(Config, Ts),
+ ok.
+
%% OTP-14323: Check the dialyzer attribute.
otp_14323(Config) ->
Ts = [
@@ -4099,7 +4104,27 @@ get_stacktrace(Config) ->
[],
{warnings,[{4,erl_lint,{get_stacktrace,wrong_part_of_try}},
{13,erl_lint,{get_stacktrace,after_try}},
- {22,erl_lint,{get_stacktrace,after_try}}]}}],
+ {22,erl_lint,{get_stacktrace,after_try}}]}},
+ {multiple_catch_clauses,
+ <<"maybe_error(Arg) ->
+ try 5 / Arg
+ catch
+ error:badarith ->
+ _Stacktrace = erlang:get_stacktrace(),
+ try io:nl()
+ catch
+ error:_ -> io:format('internal error')
+ end;
+ error:badarg ->
+ _Stacktrace = erlang:get_stacktrace(),
+ try io:format(qwe)
+ catch
+ error:_ -> io:format('internal error')
+ end
+ end.
+ ">>,
+ [],
+ []}],
run(Config, Ts),
ok.
diff --git a/lib/stdlib/test/error_logger_h_SUITE.erl b/lib/stdlib/test/error_logger_h_SUITE.erl
index 30f96e0522..1f2a9fda0b 100644
--- a/lib/stdlib/test/error_logger_h_SUITE.erl
+++ b/lib/stdlib/test/error_logger_h_SUITE.erl
@@ -162,7 +162,7 @@ tty_log_open(Log) ->
{ok,D} -> D;
_ -> unlimited
end,
- error_logger:add_report_handler(?MODULE, {Fd,Depth}),
+ error_logger:add_report_handler(?MODULE, {Fd,Depth,latin1}),
Fd.
tty_log_close() ->
@@ -393,11 +393,11 @@ dl_format_1([], [], _, Facc, Aacc) ->
%%% calling error_logger_tty_h:write_event/2.
%%%
-init({_,_}=St) ->
+init({_,_,_}=St) ->
{ok,St}.
-handle_event(Event, {Fd,Depth}=St) ->
- case error_logger_tty_h:write_event(tag_event(Event), io_lib, Depth) of
+handle_event(Event, {Fd,Depth,Enc}=St) ->
+ case error_logger_tty_h:write_event(tag_event(Event), io_lib, {Depth,Enc}) of
ok ->
ok;
Str when is_list(Str) ->
@@ -405,7 +405,7 @@ handle_event(Event, {Fd,Depth}=St) ->
end,
{ok,St}.
-terminate(_Reason, {Fd,_}) ->
+terminate(_Reason, {Fd,_,_}) ->
ok = file:close(Fd),
[].
diff --git a/lib/stdlib/test/id_transform_SUITE.erl b/lib/stdlib/test/id_transform_SUITE.erl
index 3d4ae1a189..186df41d3f 100644
--- a/lib/stdlib/test/id_transform_SUITE.erl
+++ b/lib/stdlib/test/id_transform_SUITE.erl
@@ -61,8 +61,13 @@ id_transform(Config) when is_list(Config) ->
"erl_id_trans.erl"]),
{ok,erl_id_trans,Bin} = compile:file(File,[binary]),
{module,erl_id_trans} = code:load_binary(erl_id_trans, File, Bin),
- ct:timetrap({hours,1}),
- run_in_test_suite().
+ case test_server:is_valgrind() of
+ false ->
+ ct:timetrap({hours,1}),
+ run_in_test_suite();
+ true ->
+ {skip,"Valgrind (too slow)"}
+ end.
run_in_test_suite() ->
SuperDir = filename:dirname(filename:dirname(code:which(?MODULE))),
diff --git a/lib/stdlib/test/proc_lib_SUITE.erl b/lib/stdlib/test/proc_lib_SUITE.erl
index 029e6286e4..7686889360 100644
--- a/lib/stdlib/test/proc_lib_SUITE.erl
+++ b/lib/stdlib/test/proc_lib_SUITE.erl
@@ -28,7 +28,7 @@
init_per_group/2,end_per_group/2,
crash/1, stacktrace/1, sync_start_nolink/1, sync_start_link/1,
spawn_opt/1, sp1/0, sp2/0, sp3/1, sp4/2, sp5/1, '\x{447}'/0,
- hibernate/1, stop/1, t_format/1]).
+ hibernate/1, stop/1, t_format/1, t_format_arbitrary/1]).
-export([ otp_6345/1, init_dont_hang/1]).
-export([hib_loop/1, awaken/1]).
@@ -51,7 +51,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[crash, stacktrace, {group, sync_start}, spawn_opt, hibernate,
- {group, tickets}, stop, t_format].
+ {group, tickets}, stop, t_format, t_format_arbitrary].
groups() ->
[{tickets, [], [otp_6345, init_dont_hang]},
@@ -78,6 +78,14 @@ end_per_group(_GroupName, Config) ->
%% synchronous, and we want to test that the crash report is ok.
%%-----------------------------------------------------------------
crash(Config) when is_list(Config) ->
+ ok = application:unset_env(kernel, error_logger_format_depth),
+ crash_1(Config),
+ ok = application:set_env(kernel, error_logger_format_depth, 30),
+ crash_1(Config),
+ ok = application:unset_env(kernel, error_logger_format_depth),
+ ok.
+
+crash_1(_Config) ->
error_logger:add_report_handler(?MODULE, self()),
%% Make sure that we don't get a crash report if a process
@@ -544,14 +552,17 @@ t_format(_Config) ->
t_format() ->
error_logger:add_report_handler(?MODULE, self()),
- Pid = proc_lib:spawn(fun t_format_looper/0),
+ Pid = proc_lib:spawn(fun '\x{aaa}t_format_looper'/0),
HugeData = gb_sets:from_list(lists:seq(1, 100)),
- Pid ! {die,HugeData},
+ SomeData1 = list_to_atom([246]),
+ SomeData2 = list_to_atom([1024]),
+ Pid ! {SomeData1,SomeData2},
+ Pid ! {die,{HugeData,SomeData1,SomeData2}},
Report = receive
{crash_report, Pid, Report0} -> Report0
end,
- Usz = do_test_format(Report, unlimited),
- Tsz = do_test_format(Report, 20),
+ Usz = do_test_format(Report, latin1, unlimited),
+ Tsz = do_test_format(Report, latin1, 20),
if
Tsz >= Usz ->
@@ -560,21 +571,58 @@ t_format() ->
ok
end,
+ UszU = do_test_format(Report, unicode, unlimited),
+ TszU = do_test_format(Report, unicode, 20),
+
+ if
+ TszU >= UszU ->
+ ct:fail(failed);
+ true ->
+ ok
+ end,
+
ok.
+t_format_arbitrary(_Config) ->
+ error_logger:tty(false),
+ try
+ t_format_arbitrary()
+ after
+ error_logger:tty(true)
+ end,
+ ok.
+
+t_format_arbitrary() ->
+ A = list_to_atom([1024]),
+ do_test_format([fake_report, A], unlimited),
+ do_test_format([fake_report, A], 20),
+
+ do_test_format([fake_report, foo], unlimited),
+ do_test_format([fake_report, foo], 20),
+ do_test_format([fake_report, []], unlimited),
+ do_test_format([fake_report, []], 20).
+
do_test_format(Report, Depth) ->
- io:format("*** Depth = ~p", [Depth]),
- S0 = proc_lib:format(Report, latin1, Depth),
+ do_test_format(Report, latin1, Depth),
+ do_test_format(Report, unicode, Depth).
+
+do_test_format(Report, Encoding, Depth) ->
+ io:format("*** Depth = ~p, Encoding = ~p", [Depth, Encoding]),
+ S0 = proc_lib:format(Report, Encoding, Depth),
S = lists:flatten(S0),
- io:put_chars(S),
+ case Encoding of
+ latin1 -> io:format("~s\n", [S]);
+ _ -> io:format("~ts\n", [S])
+ end,
length(S).
-t_format_looper() ->
+'\x{aaa}t_format_looper'() ->
receive
{die,Data} ->
exit(Data);
- _ ->
- t_format_looper()
+ M ->
+ put(M, M),
+ '\x{aaa}t_format_looper'()
end.
%%-----------------------------------------------------------------
@@ -584,7 +632,7 @@ init(Tester) ->
{ok, Tester}.
handle_event({error_report, _GL, {Pid, crash_report, Report}}, Tester) ->
- io:format("~s\n", [proc_lib:format(Report)]),
+ io:format("~ts\n", [proc_lib:format(Report)]),
Tester ! {crash_report, Pid, Report},
{ok, Tester};
handle_event(_Event, State) ->
diff --git a/lib/stdlib/test/re_SUITE_data/testoutput1 b/lib/stdlib/test/re_SUITE_data/testoutput1
index a2b3cffe9d..eff8ecc948 100644
--- a/lib/stdlib/test/re_SUITE_data/testoutput1
+++ b/lib/stdlib/test/re_SUITE_data/testoutput1
@@ -9442,4 +9442,8 @@ No match
\ X
0: X
+/X+(?#comment)?/
+ >XXX<
+ 0: X
+
/-- End of testinput1 --/
diff --git a/lib/stdlib/test/re_SUITE_data/testoutput8 b/lib/stdlib/test/re_SUITE_data/testoutput8
index 17b667a980..4984376d3c 100644
--- a/lib/stdlib/test/re_SUITE_data/testoutput8
+++ b/lib/stdlib/test/re_SUITE_data/testoutput8
@@ -7801,4 +7801,8 @@ No match
** Show all captures ignored after DFA matching
0: a
+/(02-)?[0-9]{3}-[0-9]{3}/
+ 02-123-123
+ 0: 02-123-123
+
/-- End of testinput8 --/
diff --git a/lib/stdlib/test/shell_SUITE.erl b/lib/stdlib/test/shell_SUITE.erl
index 4f0fdc4c6a..217e8cc252 100644
--- a/lib/stdlib/test/shell_SUITE.erl
+++ b/lib/stdlib/test/shell_SUITE.erl
@@ -31,7 +31,7 @@
progex_lc/1, progex_funs/1,
otp_5990/1, otp_6166/1, otp_6554/1,
otp_7184/1, otp_7232/1, otp_8393/1, otp_10302/1, otp_13719/1,
- otp_14285/1, otp_14296/1]).
+ otp_14285/1, otp_14296/1, typed_records/1]).
-export([ start_restricted_from_shell/1,
start_restricted_on_command_line/1,restricted_local/1]).
@@ -74,10 +74,10 @@ suite() ->
{timetrap,{minutes,10}}].
all() ->
- [forget, records, known_bugs, otp_5226, otp_5327,
+ [forget, known_bugs, otp_5226, otp_5327,
otp_5435, otp_5195, otp_5915, otp_5916, {group, bits},
{group, refman}, {group, progex}, {group, tickets},
- {group, restricted}].
+ {group, restricted}, {group, records}].
groups() ->
[{restricted, [],
@@ -86,6 +86,8 @@ groups() ->
{bits, [],
[bs_match_misc_SUITE, bs_match_tail_SUITE,
bs_match_bin_SUITE, bs_construct_SUITE]},
+ {records, [],
+ [records, typed_records]},
{refman, [], [refman_bit_syntax]},
{progex, [],
[progex_bit_syntax, progex_records, progex_lc,
@@ -486,6 +488,48 @@ records(Config) when is_list(Config) ->
ok.
+%% Test of typed record support.
+typed_records(Config) when is_list(Config) ->
+ Test = filename:join(proplists:get_value(priv_dir, Config), "test.hrl"),
+ Contents = <<"-module(test).
+ -record(r0,{f :: any()}).
+ -record(r1,{f1 :: #r1{} | undefined, f2 :: #r0{} | atom()}).
+ -record(r2,{f :: #r2{} | undefined}).
+ ">>,
+ ok = file:write_file(Test, Contents),
+
+ RR1 = "rr(\"" ++ Test ++ "\"),
+ #r1{} = (#r1{f1=#r1{f1=undefined, f2=x}, f2 = #r0{}})#r1.f1,
+ ok.",
+ RR2 = "rr(\"" ++ Test ++ "\"),
+ #r0{} = (#r1{f1=#r1{f1=undefined, f2=x}, f2 = #r0{}})#r1.f2,
+ ok. ",
+ RR3 = "rr(\"" ++ Test ++ "\"),
+ #r1{f2=#r0{}} = (#r1{f1=#r1{f1=undefined, f2=#r0{}}, f2 = x})#r1.f1,
+ ok.",
+ RR4 = "rr(\"" ++ Test ++ "\"),
+ (#r1{f2 = #r0{}})#r1{f2 = x},
+ ok. ",
+ RR5 = "rr(\"" ++ Test ++ "\"),
+ (#r1{f2 = #r0{}})#r1{f1 = #r1{}},
+ ok. ",
+ RR6 = "rr(\"" ++ Test ++ "\"),
+ (#r2{f=#r2{f=undefined}})#r2.f,
+ ok.",
+ RR7 = "rr(\"" ++ Test ++ "\"),
+ #r2{} = (#r2{f=#r2{f=undefined}})#r2.f,
+ ok.",
+ [ok] = scan(RR1),
+ [ok] = scan(RR2),
+ [ok] = scan(RR3),
+ [ok] = scan(RR4),
+ [ok] = scan(RR5),
+ [ok] = scan(RR6),
+ [ok] = scan(RR7),
+
+ file:delete(Test),
+ ok.
+
%% Known bugs.
known_bugs(Config) when is_list(Config) ->
%% erl_eval:merge_bindings/2 cannot handle _removal_ of bindings.
diff --git a/lib/stdlib/test/unicode_expand.erl b/lib/stdlib/test/unicode_expand.erl
new file mode 100644
index 0000000000..41f741fa84
--- /dev/null
+++ b/lib/stdlib/test/unicode_expand.erl
@@ -0,0 +1,36 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2017. 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.
+%% You may obtain a copy of the License at
+%%
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
+%%
+%% %CopyrightEnd%
+%%
+-module(unicode_expand).
+
+-export(['кlирилли́ческий атом'/0, 'кlирилли́ческий атом'/1,
+ 'кlирилли́ческий атомB'/1]).
+
+-export_type(['кlирилли́ческий атом'/0]).
+
+-type 'кlирилли́ческий атом'() :: integer().
+
+'кlирилли́ческий атом'() ->
+ 'кlирилли́ческий атом'('кlирилли́ческий атом').
+
+'кlирилли́ческий атом'(_Atom) ->
+ ok.
+
+'кlирилли́ческий атомB'(_B) ->
+ true.