diff options
Diffstat (limited to 'lib/compiler/test/warnings_SUITE.erl')
| -rw-r--r-- | lib/compiler/test/warnings_SUITE.erl | 126 |
1 files changed, 122 insertions, 4 deletions
diff --git a/lib/compiler/test/warnings_SUITE.erl b/lib/compiler/test/warnings_SUITE.erl index 810b2b48c9..ad4ad91f74 100644 --- a/lib/compiler/test/warnings_SUITE.erl +++ b/lib/compiler/test/warnings_SUITE.erl @@ -37,7 +37,9 @@ -export([pattern/1,pattern2/1,pattern3/1,pattern4/1, guard/1,bad_arith/1,bool_cases/1,bad_apply/1, - files/1,effect/1,bin_opt_info/1,bin_construction/1, comprehensions/1]). + files/1,effect/1,bin_opt_info/1,bin_construction/1, + comprehensions/1,maps/1,redundant_boolean_clauses/1, + latin1_fallback/1]). % Default timetrap timeout (set in init_per_testcase). -define(default_timeout, ?t:minutes(2)). @@ -61,7 +63,8 @@ groups() -> [{p,test_lib:parallel(), [pattern,pattern2,pattern3,pattern4,guard, bad_arith,bool_cases,bad_apply,files,effect, - bin_opt_info,bin_construction,comprehensions]}]. + bin_opt_info,bin_construction,comprehensions,maps, + redundant_boolean_clauses,latin1_fallback]}]. init_per_suite(Config) -> Config. @@ -117,6 +120,7 @@ pattern2(Config) when is_list(Config) -> Source, [nowarn_unused_vars], {warnings,[{2,sys_core_fold,{nomatch_shadow,1}}, + {4,sys_core_fold,no_clause_match}, {5,sys_core_fold,nomatch_clause_type}, {6,sys_core_fold,nomatch_clause_type}]}}], ?line [] = run(Config, Ts), @@ -199,6 +203,8 @@ pattern4(Config) when is_list(Config) -> [nowarn_unused_vars], {warnings, [{9,sys_core_fold,no_clause_match}, + {11,sys_core_fold,nomatch_shadow}, + {15,sys_core_fold,nomatch_shadow}, {18,sys_core_fold,no_clause_match}, {23,sys_core_fold,no_clause_match}, {33,sys_core_fold,no_clause_match} @@ -389,6 +395,10 @@ effect(Config) when is_list(Config) -> <<X:8>>; unused_fun -> fun() -> {ok,X} end; + unused_named_fun -> + fun F(0) -> 1; + F(N) -> N*F(N-1) + end; unused_atom -> ignore; %no warning unused_nil -> @@ -483,8 +493,9 @@ effect(Config) when is_list(Config) -> {22,sys_core_fold,{no_effect,{erlang,is_integer,1}}}, {24,sys_core_fold,useless_building}, {26,sys_core_fold,useless_building}, - {32,sys_core_fold,{no_effect,{erlang,'=:=',2}}}, - {34,sys_core_fold,{no_effect,{erlang,get_cookie,0}}}]}}], + {28,sys_core_fold,useless_building}, + {36,sys_core_fold,{no_effect,{erlang,'=:=',2}}}, + {38,sys_core_fold,{no_effect,{erlang,get_cookie,0}}}]}}], ?line [] = run(Config, Ts), ok. @@ -546,6 +557,113 @@ comprehensions(Config) when is_list(Config) -> run(Config, Ts), ok. +maps(Config) when is_list(Config) -> + Ts = [{bad_map, + <<" + t() -> + case maybe_map of + #{} -> ok; + not_map -> error + end. + x() -> + case true of + #{} -> error; + true -> ok + end. + ">>, + [], + {warnings,[{3,sys_core_fold,no_clause_match}, + {9,sys_core_fold,nomatch_clause_type}]}}, + {bad_map_src1, + <<" + t() -> + M = {a,[]}, + {'EXIT',{badarg,_}} = (catch(M#{ a => 1})), + ok. + ">>, + [], + {warnings,[{4,v3_kernel,bad_map}]}}, + {bad_map_src2, + <<" + t() -> + M = id({a,[]}), + {'EXIT',{badarg,_}} = (catch(M#{ a => 1})), + ok. + id(I) -> I. + ">>, + [inline], + {warnings,[{4,v3_kernel,bad_map}]}}, + {bad_map_src3, + <<" + t() -> + {'EXIT',{badarg,_}} = (catch <<>>#{ a := 1}), + ok. + ">>, + [], + {warnings,[{3,v3_core,bad_map}]}}, + {bad_map_literal_key, + <<" + t() -> + V = id(1), + M = id(#{ <<$h,$i>> => V }), + V = case M of + #{ <<0:257>> := Val } -> Val; + #{ <<$h,$i>> := Val } -> Val + end, + ok. + id(I) -> I. + ">>, + [], + {warnings,[{6,v3_core,nomatch}]}}], + run(Config, Ts), + ok. + +redundant_boolean_clauses(Config) when is_list(Config) -> + Ts = [{redundant_boolean_clauses, + <<" + t(X) -> + case X == 0 of + false -> no; + false -> no; + true -> yes + end. + ">>, + [], + {warnings,[{5,sys_core_fold,nomatch_shadow}]}}], + run(Config, Ts), + ok. + +latin1_fallback(Conf) when is_list(Conf) -> + DataDir = ?privdir, + IncFile = filename:join(DataDir, "include_me.hrl"), + file:write_file(IncFile, <<"%% ",246," in include file\n">>), + Ts1 = [{latin1_fallback1, + %% Test that the compiler fall backs to latin-1 with + %% a warning if a file has no encoding and does not + %% contain correct UTF-8 sequences. + <<"%% Bj",246,"rn + t(_) -> \"",246,"\"; + t(x) -> ok. + ">>, + [], + {warnings,[{1,compile,reparsing_invalid_unicode}, + {3,sys_core_fold,{nomatch_shadow,2}}]}}], + [] = run(Conf, Ts1), + + Ts2 = [{latin1_fallback2, + %% Test that the compiler fall backs to latin-1 with + %% a warning if a file has no encoding and does not + %% contain correct UTF-8 sequences. + <<" + + -include(\"include_me.hrl\"). + ">>, + [], + {warnings,[{1,compile,reparsing_invalid_unicode}]} + }], + [] = run(Conf, Ts2), + ok. + %%% %%% End of test cases. %%% |