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-rw-r--r--lib/stdlib/test/erl_lint_SUITE.erl52
1 files changed, 50 insertions, 2 deletions
diff --git a/lib/stdlib/test/erl_lint_SUITE.erl b/lib/stdlib/test/erl_lint_SUITE.erl
index 8fe7881081..01f494ee38 100644
--- a/lib/stdlib/test/erl_lint_SUITE.erl
+++ b/lib/stdlib/test/erl_lint_SUITE.erl
@@ -2550,8 +2550,56 @@ bif_clash(Config) when is_list(Config) ->
binary_part(X,{1,2}) =:= fun binary_part/2.
">>,
[],
- []}
-
+ []},
+ %% Import directive clashing with old bif is an error, regardless of if it's called or not
+ {clash15,
+ <<"-export([x/1]).
+ -import(x,[abs/1]).
+ x(X) ->
+ binary_part(X,{1,2}).
+ ">>,
+ [],
+ {errors,[{2,erl_lint,{redefine_old_bif_import,{abs,1}}}],[]}},
+ %% For a new BIF, it's only a warning
+ {clash16,
+ <<"-export([x/1]).
+ -import(x,[binary_part/3]).
+ x(X) ->
+ abs(X).
+ ">>,
+ [],
+ {warnings,[{2,erl_lint,{redefine_bif_import,{binary_part,3}}}]}},
+ %% And, you cannot redefine already imported things that aren't auto-imported
+ {clash17,
+ <<"-export([x/1]).
+ -import(x,[binary_port/3]).
+ -import(y,[binary_port/3]).
+ x(X) ->
+ abs(X).
+ ">>,
+ [],
+ {errors,[{3,erl_lint,{redefine_import,{{binary_port,3},x}}}],[]}},
+ %% Not with local functions either
+ {clash18,
+ <<"-export([x/1]).
+ -import(x,[binary_port/3]).
+ binary_port(A,B,C) ->
+ binary_part(A,B,C).
+ x(X) ->
+ abs(X).
+ ">>,
+ [],
+ {errors,[{3,erl_lint,{define_import,{binary_port,3}}}],[]}},
+ %% Like clash8: Dont accept a guard if it's explicitly module-name called either
+ {clash19,
+ <<"-export([binary_port/3]).
+ -compile({no_auto_import,[binary_part/3]}).
+ -import(x,[binary_part/3]).
+ binary_port(A,B,C) when x:binary_part(A,B,C) ->
+ binary_part(A,B,C+1).
+ ">>,
+ [],
+ {errors,[{4,erl_lint,illegal_guard_expr}],[]}}
],
?line [] = run(Config, Ts),