diff options
Diffstat (limited to 'lib/stdlib/test/erl_lint_SUITE.erl')
| -rw-r--r-- | lib/stdlib/test/erl_lint_SUITE.erl | 417 |
1 files changed, 367 insertions, 50 deletions
diff --git a/lib/stdlib/test/erl_lint_SUITE.erl b/lib/stdlib/test/erl_lint_SUITE.erl index d916eb3eef..272a71432a 100644 --- a/lib/stdlib/test/erl_lint_SUITE.erl +++ b/lib/stdlib/test/erl_lint_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2016. 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. @@ -64,7 +64,9 @@ predef/1, maps/1,maps_type/1,maps_parallel_match/1, otp_11851/1,otp_11879/1,otp_13230/1, - record_errors/1]). + record_errors/1, otp_11879_cont/1, + non_latin1_module/1, otp_14323/1, + get_stacktrace/1, otp_14285/1, otp_14378/1]). suite() -> [{ct_hooks,[ts_install_cth]}, @@ -84,7 +86,8 @@ all() -> too_many_arguments, basic_errors, bin_syntax_errors, predef, maps, maps_type, maps_parallel_match, otp_11851, otp_11879, otp_13230, - record_errors]. + record_errors, otp_11879_cont, non_latin1_module, otp_14323, + get_stacktrace, otp_14285, otp_14378]. groups() -> [{unused_vars_warn, [], @@ -1554,7 +1557,15 @@ guard(Config) when is_list(Config) -> [], {errors,[{1,erl_lint,illegal_guard_expr}, {2,erl_lint,illegal_guard_expr}], - []}} + []}}, + {guard10, + <<"is_port(_) -> false. + t(P) when port(P) -> ok. + ">>, + [], + {error, + [{2,erl_lint,{obsolete_guard_overridden,port}}], + [{2,erl_lint,{obsolete_guard,{port,1}}}]}} ], [] = run(Config, Ts1), ok. @@ -1855,7 +1866,7 @@ otp_5276(Config) when is_list(Config) -> %% OTP-5917. Check the 'deprecated' attributed. otp_5917(Config) when is_list(Config) -> Ts = [{otp_5917_1, - <<"-compile(export_all). + <<"-export([t/0]). -deprecated({t,0}). @@ -1870,7 +1881,7 @@ otp_5917(Config) when is_list(Config) -> %% OTP-6585. Check the deprecated guards list/1, pid/1, .... otp_6585(Config) when is_list(Config) -> Ts = [{otp_6585_1, - <<"-compile(export_all). + <<"-export([t/0]). -record(r, {}). @@ -1994,22 +2005,22 @@ otp_5362(Config) when is_list(Config) -> <<"-compile(nowarn_deprecated_function). -compile(nowarn_bif_clash). spawn(A) -> - erlang:hash(A, 3000), + erlang:now(), spawn(A). ">>, - {[nowarn_unused_function, + {[nowarn_unused_function, warn_deprecated_function, warn_bif_clash]}, {error, [{5,erl_lint,{call_to_redefined_old_bif,{spawn,1}}}], - [{4,erl_lint,{deprecated,{erlang,hash,2},{erlang,phash2,2}, - "a future release"}}]}}, - + [{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."}}]}}, {otp_5362_5, <<"-compile(nowarn_deprecated_function). -compile(nowarn_bif_clash). spawn(A) -> - erlang:hash(A, 3000), + erlang:now(), spawn(A). ">>, {[nowarn_unused_function]}, @@ -2018,37 +2029,35 @@ otp_5362(Config) when is_list(Config) -> %% The special nowarn_X are not affected by general warn_X. {otp_5362_6, - <<"-compile({nowarn_deprecated_function,{erlang,hash,2}}). + <<"-compile({nowarn_deprecated_function,{erlang,now,0}}). -compile({nowarn_bif_clash,{spawn,1}}). spawn(A) -> - erlang:hash(A, 3000), + erlang:now(), spawn(A). ">>, - {[nowarn_unused_function, - warn_deprecated_function, + {[nowarn_unused_function, + warn_deprecated_function, warn_bif_clash]}, {errors, [{2,erl_lint,disallowed_nowarn_bif_clash}],[]}}, {otp_5362_7, <<"-export([spawn/1]). - -compile({nowarn_deprecated_function,{erlang,hash,2}}). + -compile({nowarn_deprecated_function,{erlang,now,0}}). -compile({nowarn_bif_clash,{spawn,1}}). -compile({nowarn_bif_clash,{spawn,2}}). % bad -compile([{nowarn_deprecated_function, - [{erlang,hash,-1},{3,hash,-1}]}, % 2 bad - {nowarn_deprecated_function, {{a,b,c},hash,-1}}]). % bad + [{erlang,now,-1},{3,now,-1}]}, % 2 bad + {nowarn_deprecated_function, {{a,b,c},now,-1}}]). % bad spawn(A) -> - erlang:hash(A, 3000), + erlang:now(), 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,hash,-1}}}, - {5,erl_lint,{bad_nowarn_deprecated_function,{erlang,hash,-1}}}, - {5,erl_lint,{bad_nowarn_deprecated_function,{{a,b,c},hash,-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, @@ -2056,14 +2065,15 @@ otp_5362(Config) when is_list(Config) -> -compile(warn_deprecated_function). -compile(warn_bif_clash). spawn(A) -> - erlang:hash(A, 3000), + erlang:now(), spawn(A). ">>, {[nowarn_unused_function, {nowarn_bif_clash,{spawn,1}}]}, % has no effect {warnings, - [{5,erl_lint,{deprecated,{erlang,hash,2},{erlang,phash2,2}, - "a future release"}}]}}, + [{5,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."}}]}}, {otp_5362_9, <<"-include_lib(\"stdlib/include/qlc.hrl\"). @@ -2075,11 +2085,11 @@ otp_5362(Config) when is_list(Config) -> []}, {otp_5362_10, - <<"-compile({nowarn_deprecated_function,{erlang,hash,2}}). + <<"-compile({nowarn_deprecated_function,{erlang,now,0}}). -compile({nowarn_bif_clash,{spawn,1}}). -import(x,[spawn/1]). spin(A) -> - erlang:hash(A, 3000), + erlang:now(), spawn(A). ">>, {[nowarn_unused_function, @@ -2089,11 +2099,11 @@ otp_5362(Config) when is_list(Config) -> [{2,erl_lint,disallowed_nowarn_bif_clash}],[]}}, {call_deprecated_function, - <<"t(X) -> erlang:hash(X, 2000).">>, + <<"t(X) -> calendar:local_time_to_universal_time(X).">>, [], {warnings, - [{1,erl_lint,{deprecated,{erlang,hash,2}, - {erlang,phash2,2},"a future release"}}]}}, + [{1,erl_lint,{deprecated,{calendar,local_time_to_universal_time,1}, + {calendar,local_time_to_universal_time_dst,1}, "a future release"}}]}}, {call_removed_function, <<"t(X) -> regexp:match(X).">>, @@ -2540,7 +2550,7 @@ otp_5878(Config) when is_list(Config) -> {function,9,t,0,[{clause,9,[],[],[{record,10,r,[]}]}]}, {eof,11}], {error,[{"rec.erl",[{7,erl_lint,old_abstract_code}]}],[]} = - compile:forms(OldAbstract, [return, report]), + compile_forms(OldAbstract, [return, report]), ok. @@ -2619,7 +2629,7 @@ otp_11772(Config) when is_list(Config) -> Ts = <<" -module(newly). - -compile(export_all). + -export([t/0]). %% Built-in: -type node() :: node(). @@ -2644,7 +2654,7 @@ otp_11771(Config) when is_list(Config) -> Ts = <<" -module(newly). - -compile(export_all). + -export([t/0]). %% No longer allowed in 17.0: -type arity() :: atom(). @@ -2671,7 +2681,7 @@ otp_11872(Config) when is_list(Config) -> Ts = <<" -module(map). - -compile(export_all). + -export([t/0]). -export_type([map/0, product/0]). @@ -2694,9 +2704,9 @@ export_all(Config) when is_list(Config) -> id(I) -> I. ">>, - [] = run_test2(Config, Ts, []), + [] = run_test2(Config, Ts, [nowarn_export_all]), {warnings,[{2,erl_lint,export_all}]} = - run_test2(Config, Ts, [warn_export_all]), + run_test2(Config, Ts, []), ok. %% Test warnings for functions that clash with BIFs. @@ -2997,7 +3007,7 @@ behaviour_basic(Config) when is_list(Config) -> {behaviour4, <<"-behavior(application). %% Test callbacks with export_all - -compile(export_all). + -compile([export_all, nowarn_export_all]). stop(_) -> ok. ">>, [], @@ -3048,10 +3058,7 @@ behaviour_multiple(Config) when is_list(Config) -> handle_info(_, _) -> ok. ">>, [], - {warnings,[{1,erl_lint, - {undefined_behaviour_func,{code_change,3},gen_server}}, - {1,erl_lint,{undefined_behaviour_func,{init,1},gen_server}}, - {1,erl_lint,{undefined_behaviour_func,{terminate,2},gen_server}}, + {warnings,[{1,erl_lint,{undefined_behaviour_func,{init,1},gen_server}}, {2,erl_lint,{undefined_behaviour_func,{init,1},supervisor}}, {2, erl_lint, @@ -3065,10 +3072,7 @@ behaviour_multiple(Config) when is_list(Config) -> handle_info(_, _) -> ok. ">>, [], - {warnings,[{1,erl_lint, - {undefined_behaviour_func,{code_change,3},gen_server}}, - {1,erl_lint,{undefined_behaviour_func,{init,1},gen_server}}, - {1,erl_lint,{undefined_behaviour_func,{terminate,2},gen_server}}, + {warnings,[{1,erl_lint,{undefined_behaviour_func,{init,1},gen_server}}, {2,erl_lint,{undefined_behaviour_func,{init,1},supervisor}}, {2, erl_lint, @@ -3839,9 +3843,13 @@ otp_11879(_Config) -> [{1,erl_lint,{spec_fun_undefined,{f,1}}}, {2,erl_lint,spec_wrong_arity}, {22,erl_lint,callback_wrong_arity}]}], - []} = compile:forms(Fs, [return,report]), + []} = compile_forms(Fs, [return,report]), ok. +compile_forms(Terms, Opts) -> + Forms = [erl_parse:anno_from_term(Term) || Term <- Terms], + compile:forms(Forms, Opts). + %% OTP-13230: -deprecated without -module. otp_13230(Config) when is_list(Config) -> Abstr = <<"-deprecated([{frutt,0,next_version}]).">>, @@ -3861,6 +3869,315 @@ record_errors(Config) when is_list(Config) -> {3,erl_lint,{redefine_field,r,a}}],[]}}], run(Config, Ts). +otp_11879_cont(Config) -> + Ts = [{constraint1, + <<"-export([t/1]). + -spec t(X) -> X when is_subtype(integer()). + t(a) -> foo:bar(). + ">>, + [], + {errors, + [{2,erl_parse,"unsupported constraint " ++ ["is_subtype"]}], + []}}, + {constraint2, + <<"-export([t/1]). + -spec t(X) -> X when bad_atom(X, integer()). + t(a) -> foo:bar(). + ">>, + [], + {errors, + [{2,erl_parse,"unsupported constraint " ++ ["bad_atom"]}], + []}}, + {constraint3, + <<"-export([t/1]). + -spec t(X) -> X when is_subtype(bad_variable, integer()). + t(a) -> foo:bar(). + ">>, + [], + {errors,[{2,erl_parse,"bad type variable"}],[]}}, + {constraint4, + <<"-export([t/1]). + -spec t(X) -> X when is_subtype(atom(), integer()). + t(a) -> foo:bar(). + ">>, + [], + {errors,[{2,erl_parse,"bad type variable"}],[]}}, + {constraint5, + <<"-export([t/1]). + -spec t(X) -> X when is_subtype(X, integer()). + t(a) -> foo:bar(). + ">>, + [], + []}, + {constraint6, + <<"-export([t/1]). + -spec t(X) -> X when X :: integer(). + t(a) -> foo:bar(). + ">>, + [], + []}], + run(Config, Ts). + +%% OTP-14285: We currently don't support non-latin1 module names. + +non_latin1_module(Config) -> + do_non_latin1_module('юникод'), + do_non_latin1_module(list_to_atom([256,$a,$b,$c])), + do_non_latin1_module(list_to_atom([$a,$b,256,$c])), + + "module names with non-latin1 characters are not supported" = + format_error(non_latin1_module_unsupported), + BadCallback = + {bad_callback,{'кирилли́ческий атом','кирилли́ческий атом',0}}, + "explicit module not allowed for callback " + "'кирилли́ческий атом':'кирилли́ческий атом'/0" = + format_error(BadCallback), + UndefBehav = {undefined_behaviour,'кирилли́ческий атом'}, + "behaviour 'кирилли́ческий атом' undefined" = + format_error(UndefBehav), + Ts = [{non_latin1_module, + <<" + %% Report uses of module names with non-Latin-1 characters. + + -import('кирилли́ческий атом', []). + -behaviour('кирилли́ческий атом'). + -behavior('кирилли́ческий атом'). + + -callback 'кирилли́ческий атом':'кирилли́ческий атом'() -> a. + + %% erl_lint:gexpr/3 is not extended to check module name here: + t1() when 'кирилли́ческий атом':'кирилли́ческий атом'(1) -> + b. + + t2() -> + 'кирилли́ческий атом':'кирилли́ческий атом'(). + + -spec 'кирилли́ческий атом':'кирилли́ческий атом'() -> atom(). + + -spec 'кирилли́ческий атом'(integer()) -> + 'кирилли́ческий атом':'кирилли́ческий атом'(). + + 'кирилли́ческий атом'(1) -> + 'кирилли́ческий атом':f(), + F = f, + 'кирилли́ческий атом':F()."/utf8>>, + [], + {error, + [{4,erl_lint,non_latin1_module_unsupported}, + {5,erl_lint,non_latin1_module_unsupported}, + {6,erl_lint,non_latin1_module_unsupported}, + {8,erl_lint,non_latin1_module_unsupported}, + {8,erl_lint,BadCallback}, + {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}, + {25,erl_lint,non_latin1_module_unsupported}], + [{5,erl_lint,UndefBehav}, + {6,erl_lint,UndefBehav}]}}], + run(Config, Ts), + ok. + +do_non_latin1_module(Mod) -> + File = atom_to_list(Mod) ++ ".erl", + L1 = erl_anno:new(1), + Forms = [{attribute,L1,file,{File,1}}, + {attribute,L1,module,Mod}, + {eof,2}], + error = compile:forms(Forms), + {error,_,[]} = compile:forms(Forms, [return]), + 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 = [ + {otp_14323_1, + <<"-import(mod, [m/1]). + + -export([f/0, g/0, h/0]). + + -dialyzer({nowarn_function,module_info/0}). % undefined function + -dialyzer({nowarn_function,record_info/2}). % undefined function + -dialyzer({nowarn_function,m/1}). % undefined function + + -dialyzer(nowarn_function). % unknown option + -dialyzer(1). % badly formed + -dialyzer(malformed). % unkonwn option + -dialyzer({malformed,f/0}). % unkonwn option + -dialyzer({nowarn_function,a/1}). % undefined function + -dialyzer({nowarn_function,{a,-1}}). % badly formed + + -dialyzer([no_return, no_match]). + -dialyzer({nowarn_function, f/0}). + -dialyzer(no_improper_lists). + -dialyzer([{nowarn_function, [f/0]}, no_improper_lists]). + -dialyzer({no_improper_lists, g/0}). + -dialyzer({[no_return, no_match], [g/0, h/0]}). + + f() -> a. + g() -> b. + h() -> c.">>, + [], + {errors,[{5,erl_lint,{undefined_function,{module_info,0}}}, + {6,erl_lint,{undefined_function,{record_info,2}}}, + {7,erl_lint,{undefined_function,{m,1}}}, + {9,erl_lint,{bad_dialyzer_option,nowarn_function}}, + {10,erl_lint,{bad_dialyzer_attribute,1}}, + {11,erl_lint,{bad_dialyzer_option,malformed}}, + {12,erl_lint,{bad_dialyzer_option,malformed}}, + {13,erl_lint,{undefined_function,{a,1}}}, + {14,erl_lint,{bad_dialyzer_attribute, + {nowarn_function,{a,-1}}}}], + []}}, + {otp_14323_2, + <<"-type t(_) :: atom().">>, + [], + {errors,[{1,erl_parse,"bad type variable"}],[]}}], + [] = run(Config, Ts), + ok. + +get_stacktrace(Config) -> + Ts = [{old_catch, + <<"t1() -> + catch error(foo), + erlang:get_stacktrace(). + ">>, + [], + {warnings,[{3,erl_lint,{get_stacktrace,after_old_catch}}]}}, + {nowarn_get_stacktrace, + <<"t1() -> + catch error(foo), + erlang:get_stacktrace(). + ">>, + [nowarn_get_stacktrace], + []}, + {try_catch, + <<"t1(X) -> + try abs(X) of + _ -> + erlang:get_stacktrace() + catch + _:_ -> ok + end. + + t2() -> + try error(foo) + catch _:_ -> ok + end, + erlang:get_stacktrace(). + + t3() -> + try error(foo) + catch _:_ -> + try error(bar) + catch _:_ -> + ok + end, + erlang:get_stacktrace() + end. + + no_warning(X) -> + try + abs(X) + catch + _:_ -> + erlang:get_stacktrace() + end. + ">>, + [], + {warnings,[{4,erl_lint,{get_stacktrace,wrong_part_of_try}}, + {13,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. + +%% Unicode atoms. +otp_14285(Config) -> + %% A small sample of all the errors and warnings in module erl_lint. + E1 = {redefine_function,{'кирилли́ческий атом',0}}, + E2 = {attribute,'кирилли́ческий атом'}, + E3 = {undefined_record,'кирилли́ческий атом'}, + E4 = {undefined_bittype,'кирилли́ческий атом'}, + "function 'кирилли́ческий атом'/0 already defined" = format_error(E1), + "attribute 'кирилли́ческий атом' after function definitions" = + format_error(E2), + "record 'кирилли́ческий атом' undefined" = format_error(E3), + "bit type 'кирилли́ческий атом' undefined" = format_error(E4), + Ts = [{otp_14285_1, + <<"'кирилли́ческий атом'() -> a. + 'кирилли́ческий атом'() -> a. + "/utf8>>, + [], + {errors, + [{2,erl_lint,E1}], + []}}, + {otp_14285_2, + <<"'кирилли́ческий атом'() -> a. + -'кирилли́ческий атом'(a). + "/utf8>>, + [], + {errors, + [{2,erl_lint,E2}], + []}}, + {otp_14285_3, + <<"'кирилли́ческий атом'() -> #'кирилли́ческий атом'{}. + "/utf8>>, + [], + {errors, + [{1,erl_lint,E3}], + []}}, + {otp_14285_4, + <<"t() -> <<34/'кирилли́ческий атом'>>. + "/utf8>>, + [], + {errors, + [{1,erl_lint,E4}], + []}}], + run(Config, Ts), + ok. + +format_error(E) -> + lists:flatten(erl_lint:format_error(E)). + run(Config, Tests) -> F = fun({N,P,Ws,E}, BadL) -> case catch run_test(Config, P, Ws) of |