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-rw-r--r--erts/emulator/test/match_spec_SUITE.erl29
1 files changed, 28 insertions, 1 deletions
diff --git a/erts/emulator/test/match_spec_SUITE.erl b/erts/emulator/test/match_spec_SUITE.erl
index fdce157abc..fc4a5028e1 100644
--- a/erts/emulator/test/match_spec_SUITE.erl
+++ b/erts/emulator/test/match_spec_SUITE.erl
@@ -30,6 +30,7 @@
-export([fpe/1]).
-export([otp_9422/1]).
-export([faulty_seq_trace/1, do_faulty_seq_trace/0]).
+-export([maps/1]).
-export([runner/2, loop_runner/3]).
-export([f1/1, f2/2, f3/2, fn/1, fn/2, fn/3]).
-export([do_boxed_and_small/0]).
@@ -62,7 +63,8 @@ all() ->
moving_labels,
faulty_seq_trace,
empty_list,
- otp_9422];
+ otp_9422,
+ maps];
true -> [not_run]
end.
@@ -899,6 +901,31 @@ fpe(Config) when is_list(Config) ->
_ -> ok
end.
+maps(Config) when is_list(Config) ->
+ {ok,#{},[],[]} = erlang:match_spec_test(#{}, [{'_',[],['$_']}], table),
+ {ok,#{},[],[]} = erlang:match_spec_test(#{}, [{#{},[],['$_']}], table),
+ {ok,false,[],[]} =
+ erlang:match_spec_test(#{}, [{not_a_map,[],['$_']}], table),
+ {ok,bar,[],[]} =
+ erlang:match_spec_test(#{foo => bar},
+ [{#{foo => '$1'},[],['$1']}],
+ table),
+ {ok,false,[],[]} =
+ erlang:match_spec_test(#{foo => bar},
+ [{#{foo => qux},[],[qux]}],
+ table),
+ {ok,false,[],[]} =
+ erlang:match_spec_test(#{}, [{#{foo => '_'},[],[foo]}], table),
+ {error,_} =
+ erlang:match_spec_test(#{}, [{#{'$1' => '_'},[],[foo]}], table),
+ {ok,bar,[],[]} =
+ erlang:match_spec_test({#{foo => bar}},
+ [{{#{foo => '$1'}},[],['$1']}],
+ table),
+ {ok,#{foo := 3},[],[]} =
+ erlang:match_spec_test({}, [{{},[],[#{foo => {'+',1,2}}]}], table),
+ ok.
+
empty_list(Config) when is_list(Config) ->
Val=[{'$1',[], [{message,'$1'},{message,{caller}},{return_trace}]}],
%% Did crash debug VM in faulty assert: