aboutsummaryrefslogtreecommitdiffstats
path: root/lib/stdlib/test
diff options
context:
space:
mode:
authorBjörn Gustavsson <[email protected]>2017-05-16 08:08:45 +0200
committerGitHub <[email protected]>2017-05-16 08:08:45 +0200
commit6399c4911bf1c0c717e3cf1c30ac366e8667ad5a (patch)
treeb9b90378456c9bafa1a025022fcfc920a3895ae9 /lib/stdlib/test
parent8baada6ba97f7809c99cae4e799fddb273a54882 (diff)
parent7b169140b2d37f43996b9d1a94877926a471d97d (diff)
downloadotp-6399c4911bf1c0c717e3cf1c30ac366e8667ad5a.tar.gz
otp-6399c4911bf1c0c717e3cf1c30ac366e8667ad5a.tar.bz2
otp-6399c4911bf1c0c717e3cf1c30ac366e8667ad5a.zip
Merge pull request #1453 from bjorng/bjorn/catch-warning/OTP-14401
Warn for potentially unsafe use of get_stacktrace/0
Diffstat (limited to 'lib/stdlib/test')
-rw-r--r--lib/stdlib/test/erl_lint_SUITE.erl63
1 files changed, 61 insertions, 2 deletions
diff --git a/lib/stdlib/test/erl_lint_SUITE.erl b/lib/stdlib/test/erl_lint_SUITE.erl
index 03cad2c093..02524679fa 100644
--- a/lib/stdlib/test/erl_lint_SUITE.erl
+++ b/lib/stdlib/test/erl_lint_SUITE.erl
@@ -65,7 +65,8 @@
maps/1,maps_type/1,maps_parallel_match/1,
otp_11851/1,otp_11879/1,otp_13230/1,
record_errors/1, otp_11879_cont/1,
- non_latin1_module/1, otp_14323/1]).
+ non_latin1_module/1, otp_14323/1,
+ get_stacktrace/1]).
suite() ->
[{ct_hooks,[ts_install_cth]},
@@ -85,7 +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, otp_11879_cont, non_latin1_module, otp_14323].
+ record_errors, otp_11879_cont, non_latin1_module, otp_14323,
+ get_stacktrace].
groups() ->
[{unused_vars_warn, [],
@@ -3980,6 +3982,63 @@ otp_14323(Config) ->
[] = 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}}]}}],
+
+ run(Config, Ts),
+ ok.
+
+
run(Config, Tests) ->
F = fun({N,P,Ws,E}, BadL) ->
case catch run_test(Config, P, Ws) of