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-rw-r--r--lib/stdlib/test/erl_lint_SUITE.erl105
1 files changed, 40 insertions, 65 deletions
diff --git a/lib/stdlib/test/erl_lint_SUITE.erl b/lib/stdlib/test/erl_lint_SUITE.erl
index 272a71432a..d18c7c255c 100644
--- a/lib/stdlib/test/erl_lint_SUITE.erl
+++ b/lib/stdlib/test/erl_lint_SUITE.erl
@@ -66,7 +66,9 @@
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, otp_14378/1]).
+ stacktrace_syntax/1,
+ otp_14285/1, otp_14378/1,
+ external_funs/1]).
suite() ->
[{ct_hooks,[ts_install_cth]},
@@ -87,7 +89,7 @@ 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, otp_14378].
+ stacktrace_syntax, otp_14285, otp_14378, external_funs].
groups() ->
[{unused_vars_warn, [],
@@ -4054,82 +4056,40 @@ otp_14323(Config) ->
[] = run(Config, Ts),
ok.
-get_stacktrace(Config) ->
- Ts = [{old_catch,
+stacktrace_syntax(Config) ->
+ Ts = [{guard,
<<"t1() ->
- catch error(foo),
- erlang:get_stacktrace().
+ try error(foo)
+ catch _:_:Stk when is_number(Stk) -> ok
+ end.
">>,
[],
- {warnings,[{3,erl_lint,{get_stacktrace,after_old_catch}}]}},
- {nowarn_get_stacktrace,
+ {errors,[{3,erl_lint,{stacktrace_guard,'Stk'}}],[]}},
+ {bound,
<<"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() ->
+ Stk = [],
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()
+ catch _:_:Stk -> ok
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.
- ">>,
+ {errors,[{4,erl_lint,{stacktrace_bound,'Stk'}}],[]}},
+ {guard_and_bound,
+ <<"t1() ->
+ Stk = [],
+ try error(foo)
+ catch _:_:Stk when is_integer(Stk) -> ok
+ end.
+ ">>,
[],
- []}],
+ {errors,[{4,erl_lint,{stacktrace_bound,'Stk'}},
+ {4,erl_lint,{stacktrace_guard,'Stk'}}],[]}}
+ ],
run(Config, Ts),
ok.
+
%% Unicode atoms.
otp_14285(Config) ->
%% A small sample of all the errors and warnings in module erl_lint.
@@ -4175,6 +4135,21 @@ otp_14285(Config) ->
run(Config, Ts),
ok.
+external_funs(Config) when is_list(Config) ->
+ Ts = [{external_funs_1,
+ %% ERL-762: Unused variable warning not being emitted.
+ <<"f() ->
+ BugVar = process_info(self()),
+ if true -> fun m:f/1 end.
+ f(M, F) ->
+ BugVar = process_info(self()),
+ if true -> fun M:F/1 end.">>,
+ [],
+ {warnings,[{2,erl_lint,{unused_var,'BugVar'}},
+ {5,erl_lint,{unused_var,'BugVar'}}]}}],
+ run(Config, Ts),
+ ok.
+
format_error(E) ->
lists:flatten(erl_lint:format_error(E)).