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-rw-r--r--lib/compiler/test/lc_SUITE.erl37
1 files changed, 35 insertions, 2 deletions
diff --git a/lib/compiler/test/lc_SUITE.erl b/lib/compiler/test/lc_SUITE.erl
index 9ad417b09b..c80b7cc59e 100644
--- a/lib/compiler/test/lc_SUITE.erl
+++ b/lib/compiler/test/lc_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2001-2017. All Rights Reserved.
+%% Copyright Ericsson AB 2001-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -33,7 +33,6 @@ suite() ->
{timetrap,{minutes,1}}].
all() ->
- test_lib:recompile(?MODULE),
[{group,p}].
groups() ->
@@ -48,6 +47,7 @@ groups() ->
]}].
init_per_suite(Config) ->
+ test_lib:recompile(?MODULE),
Config.
end_per_suite(_Config) ->
@@ -107,6 +107,31 @@ basic(Config) when is_list(Config) ->
[] = [X || X <- L1, X+1 < 2],
{'EXIT',_} = (catch [X || X <- L1, odd(X)]),
fc([x], catch [E || E <- id(x)]),
+
+ %% Make sure that line numbers point out the generator.
+ case ?MODULE of
+ lc_inline_SUITE ->
+ ok;
+ _ ->
+ {'EXIT',{function_clause,
+ [{?MODULE,_,_,
+ [{file,"bad_lc.erl"},{line,4}]}|_]}} =
+ (catch bad_generator(a)),
+ {'EXIT',{function_clause,
+ [{?MODULE,_,_,
+ [{file,"bad_lc.erl"},{line,4}]}|_]}} =
+ (catch bad_generator([a|b])),
+ {'EXIT',{badarg,
+ [{erlang,length,_,_},
+ {?MODULE,bad_generator_bc,1,
+ [{file,"bad_lc.erl"},{line,7}]}|_]}} =
+ (catch bad_generator_bc(a)),
+ {'EXIT',{badarg,
+ [{erlang,length,_,_},
+ {?MODULE,bad_generator_bc,1,
+ [{file,"bad_lc.erl"},{line,7}]}|_]}} =
+ (catch bad_generator_bc([a|b]))
+ end,
ok.
tuple_list() ->
@@ -249,3 +274,11 @@ fc(Args, {'EXIT',{function_clause,[{?MODULE,_,Arity,_}|_]}})
fc(Args, {'EXIT',{{case_clause,ActualArgs},_}})
when ?MODULE =:= lc_inline_SUITE ->
Args = tuple_to_list(ActualArgs).
+
+-file("bad_lc.erl", 1).
+bad_generator(List) -> %Line 2
+ [I || %Line 3
+ I <- List]. %Line 4
+bad_generator_bc(List) -> %Line 5
+ << <<I:4>> || %Line 6
+ I <- List>>. %Line 7