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-rw-r--r--lib/stdlib/test/erl_lint_SUITE.erl51
1 files changed, 49 insertions, 2 deletions
diff --git a/lib/stdlib/test/erl_lint_SUITE.erl b/lib/stdlib/test/erl_lint_SUITE.erl
index 5e117409de..67110f0ae2 100644
--- a/lib/stdlib/test/erl_lint_SUITE.erl
+++ b/lib/stdlib/test/erl_lint_SUITE.erl
@@ -61,7 +61,8 @@
on_load_successful/1, on_load_failing/1,
too_many_arguments/1,
basic_errors/1,bin_syntax_errors/1,
- predef/1
+ predef/1,
+ maps/1
]).
% Default timetrap timeout (set in init_per_testcase).
@@ -88,7 +89,7 @@ all() ->
otp_5878, otp_5917, otp_6585, otp_6885, otp_10436, otp_11254,export_all,
bif_clash, behaviour_basic, behaviour_multiple,
otp_7550, otp_8051, format_warn, {group, on_load},
- too_many_arguments, basic_errors, bin_syntax_errors, predef].
+ too_many_arguments, basic_errors, bin_syntax_errors, predef, maps].
groups() ->
[{unused_vars_warn, [],
@@ -3289,6 +3290,52 @@ predef(Config) when is_list(Config) ->
[] = run(Config, Ts),
ok.
+maps(Config) ->
+ %% TODO: test key patterns, not done because map patterns are going to be
+ %% changed a lot.
+ Ts = [{illegal_map_construction,
+ <<"t() ->
+ #{ a := b,
+ c => d,
+ e := f
+ }#{ a := b,
+ c => d,
+ e := f };
+ t() when is_map(#{ a := b,
+ c => d
+ }#{ a := b,
+ c => d,
+ e := f }) ->
+ ok.
+ ">>,
+ [],
+ {errors,[{2,erl_lint,illegal_map_construction},
+ {4,erl_lint,illegal_map_construction},
+ {8,erl_lint,illegal_map_construction}],
+ []}},
+ {illegal_pattern,
+ <<"t(#{ a := A,
+ c => d,
+ e := F,
+ g := 1 + 1,
+ h := _,
+ i := (_X = _Y),
+ j := (x ! y) }) ->
+ {A,F}.
+ ">>,
+ [],
+ {errors,[{2,erl_lint,illegal_pattern},
+ {7,erl_lint,illegal_pattern}],
+ []}},
+ {error_in_illegal_map_construction,
+ <<"t() -> #{ a := X }.">>,
+ [],
+ {errors,[{1,erl_lint,illegal_map_construction},
+ {1,erl_lint,{unbound_var,'X'}}],
+ []}}],
+ [] = run(Config, Ts),
+ ok.
+
run(Config, Tests) ->
F = fun({N,P,Ws,E}, BadL) ->
case catch run_test(Config, P, Ws) of