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Diffstat (limited to 'lib/compiler/test/map_SUITE.erl')
| -rw-r--r-- | lib/compiler/test/map_SUITE.erl | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/compiler/test/map_SUITE.erl b/lib/compiler/test/map_SUITE.erl index 6badc7a8b8..494faf299b 100644 --- a/lib/compiler/test/map_SUITE.erl +++ b/lib/compiler/test/map_SUITE.erl @@ -706,6 +706,12 @@ t_map_get(Config) when is_list(Config) -> {'EXIT',{{badmap,[]},_}} = (catch map_get(a, [])), {'EXIT',{{badmap,<<1,2,3>>},_}} = (catch map_get(a, <<1,2,3>>)), {'EXIT',{{badmap,1},_}} = (catch map_get(a, 1)), + + %% Test that beam_validator understands that NewMap is + %% a map after seeing map_get(a, NewMap). + NewMap = id(#{a=>b}), + b = map_get(a, NewMap), + #{a:=z} = NewMap#{a:=z}, ok. check_map_value(Map, Key, Value) when map_get(Key, Map) =:= Value -> true; |