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-rw-r--r--lib/compiler/test/compile_SUITE.erl44
1 files changed, 42 insertions, 2 deletions
diff --git a/lib/compiler/test/compile_SUITE.erl b/lib/compiler/test/compile_SUITE.erl
index df401ccc2b..cbdd9ce8cd 100644
--- a/lib/compiler/test/compile_SUITE.erl
+++ b/lib/compiler/test/compile_SUITE.erl
@@ -31,7 +31,9 @@
other_output/1, encrypted_abstr/1,
bad_record_use1/1, bad_record_use2/1, strict_record/1,
missing_testheap/1, cover/1, env/1, core/1, asm/1,
- sys_pre_attributes/1, dialyzer/1]).
+ sys_pre_attributes/1, dialyzer/1,
+ warnings/1
+ ]).
-export([init/3]).
@@ -48,7 +50,7 @@ all() ->
other_output, encrypted_abstr,
{group, bad_record_use}, strict_record,
missing_testheap, cover, env, core, asm,
- sys_pre_attributes, dialyzer].
+ sys_pre_attributes, dialyzer, warnings].
groups() ->
[{bad_record_use, [],
@@ -895,6 +897,44 @@ dialyzer(Config) ->
[{a,b,c}] = M:M(),
ok.
+
+%% Test that warnings contain filenames and line numbers.
+warnings(_Config) ->
+ TestDir = filename:dirname(code:which(?MODULE)),
+ Files = filelib:wildcard(filename:join(TestDir, "*.erl")),
+ test_lib:p_run(fun do_warnings/1, Files).
+
+do_warnings(F) ->
+ {ok,_,_,Ws} = compile:file(F, [binary,bin_opt_info,return]),
+ do_warnings_1(Ws, F).
+
+do_warnings_1([{"no_file",Ws}|_], F) ->
+ io:format("~s:\nMissing file for warnings: ~p\n",
+ [F,Ws]),
+ error;
+do_warnings_1([{Name,Ws}|T], F) ->
+ case filename:extension(Name) of
+ ".erl" ->
+ do_warnings_2(Ws, T, F);
+ _ ->
+ io:format("~s:\nNo .erl extension\n", [F]),
+ error
+ end;
+do_warnings_1([], _) -> ok.
+
+do_warnings_2([{Int,_,_}=W|T], Next, F) ->
+ if
+ is_integer(Int) ->
+ do_warnings_2(T, Next, F);
+ true ->
+ io:format("~s:\nMissing line number: ~p\n",
+ [F,W]),
+ error
+ end;
+do_warnings_2([], Next, F) ->
+ do_warnings_1(Next, F).
+
+
%%%
%%% Utilities.
%%%