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-rw-r--r--lib/compiler/test/warnings_SUITE.erl99
1 files changed, 95 insertions, 4 deletions
diff --git a/lib/compiler/test/warnings_SUITE.erl b/lib/compiler/test/warnings_SUITE.erl
index f63299ea35..ad4ad91f74 100644
--- a/lib/compiler/test/warnings_SUITE.erl
+++ b/lib/compiler/test/warnings_SUITE.erl
@@ -37,8 +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,
- maps/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)).
@@ -62,7 +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,maps]}].
+ bin_opt_info,bin_construction,comprehensions,maps,
+ redundant_boolean_clauses,latin1_fallback]}].
init_per_suite(Config) ->
Config.
@@ -201,6 +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}
@@ -569,10 +573,97 @@ maps(Config) when is_list(Config) ->
">>,
[],
{warnings,[{3,sys_core_fold,no_clause_match},
- {9,sys_core_fold,nomatch_clause_type}]}}],
+ {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.
%%%