diff options
Diffstat (limited to 'erts')
| -rw-r--r-- | erts/emulator/test/map_SUITE.erl | 44 |
1 files changed, 42 insertions, 2 deletions
diff --git a/erts/emulator/test/map_SUITE.erl b/erts/emulator/test/map_SUITE.erl index 490dd0c1ad..7b68e91dc5 100644 --- a/erts/emulator/test/map_SUITE.erl +++ b/erts/emulator/test/map_SUITE.erl @@ -75,7 +75,10 @@ t_pdict/1, t_ets/1, t_dets/1, - t_tracing/1 + t_tracing/1, + + %% instruction-level tests + t_has_map_fields/1 ]). -include_lib("stdlib/include/ms_transform.hrl"). @@ -132,7 +135,10 @@ all() -> [ t_erts_internal_hash, t_pdict, t_ets, - t_tracing + t_tracing, + + %% instruction-level tests + t_has_map_fields ]. groups() -> []. @@ -2715,5 +2721,39 @@ trace_collector(Msg,Parent) -> Parent ! Msg, Parent. +t_has_map_fields(Config) when is_list(Config) -> + true = has_map_fields_1(#{one=>1}), + true = has_map_fields_1(#{one=>1,two=>2}), + false = has_map_fields_1(#{two=>2}), + false = has_map_fields_1(#{}), + + true = has_map_fields_2(#{c=>1,b=>2,a=>3}), + true = has_map_fields_2(#{c=>1,b=>2,a=>3,x=>42}), + false = has_map_fields_2(#{b=>2,c=>1}), + false = has_map_fields_2(#{x=>y}), + false = has_map_fields_2(#{}), + + true = has_map_fields_3(#{c=>1,b=>2,a=>3}), + true = has_map_fields_3(#{c=>1,b=>2,a=>3,[]=>42}), + true = has_map_fields_3(#{b=>2,a=>3,[]=>42,42.0=>43}), + true = has_map_fields_3(#{a=>3,[]=>42,42.0=>43}), + true = has_map_fields_3(#{[]=>42,42.0=>43}), + false = has_map_fields_3(#{b=>2,c=>1}), + false = has_map_fields_3(#{[]=>y}), + false = has_map_fields_3(#{42.0=>x,a=>99}), + false = has_map_fields_3(#{}), + + ok. + +has_map_fields_1(#{one:=_}) -> true; +has_map_fields_1(#{}) -> false. + +has_map_fields_2(#{a:=_,b:=_,c:=_}) -> true; +has_map_fields_2(#{}) -> false. + +has_map_fields_3(#{a:=_,b:=_}) -> true; +has_map_fields_3(#{[]:=_,42.0:=_}) -> true; +has_map_fields_3(#{}) -> false. + %% Use this function to avoid compile-time evaluation of an expression. id(I) -> I. |